./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3738257351
<...>
VATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9117] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5070] fstat(4, <unfinished ...>
[pid 9117] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9117] <... mprotect resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9117] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, <unfinished ...>
[pid 9117] <... clone resumed>, parent_tid=[9118], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9118
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9117] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9117] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9117] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] rmdir("./165/file0") = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] close(3) = 0
[pid 5070] rmdir("./165" <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5074] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5070] mkdir("./166", 0777 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 9118 attached
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9118] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... openat resumed>) = 4
[pid 5070] <... openat resumed>) = 3
[pid 9118] <... set_robust_list resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9118] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9118] <... memfd_create resumed>) = 3
[pid 5075] close(4 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... close resumed>) = 0
[pid 9118] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] rmdir("./169/file0" <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9107] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9119
[pid 9107] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... close resumed>) = 0
[pid 9107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] rmdir("./166/file0" <unfinished ...>
[pid 9107] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... close resumed>) = 0
[pid 9107] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5075] rmdir("./169" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9119 attached
[pid 9107] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9119] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9119] <... set_robust_list resumed>) = 0
[pid 9107] <... clone resumed>, parent_tid=[9120], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9120
[pid 5075] mkdir("./170", 0777 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9119] chdir("./166" <unfinished ...>
[pid 9107] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] <... chdir resumed>) = 0
[pid 9107] <... futex resumed>) = 0
[pid 9119] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9107] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9119] <... prctl resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... close resumed>) = 0
./strace-static-x86_64: Process 9120 attached
[pid 9119] setpgid(0, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] rmdir("./166" <unfinished ...>
[pid 9120] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9119] <... setpgid resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9120] <... set_robust_list resumed>) = 0
[pid 9119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] mkdir("./167", 0777 <unfinished ...>
[pid 9120] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9119] <... openat resumed>) = 3
[pid 9118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9120] <... mmap resumed>) = 0x20000000
[pid 9119] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9120] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] <... write resumed>) = 4
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9120] <... futex resumed>) = 1
[pid 9119] close(3 <unfinished ...>
[pid 9107] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9120] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9119] <... close resumed>) = 0
[pid 9119] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9121
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9119] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9119] <... futex resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9119] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9119] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9119] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9122
[pid 9119] <... clone resumed>, parent_tid=[9123], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9123
[pid 9119] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9122 attached
./strace-static-x86_64: Process 9121 attached
) = 0
[pid 9122] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9119] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9123 attached
<unfinished ...>
[pid 9122] <... set_robust_list resumed>) = 0
[pid 9121] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9123] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9122] chdir("./167" <unfinished ...>
[pid 9121] <... set_robust_list resumed>) = 0
[pid 9123] <... set_robust_list resumed>) = 0
[pid 9122] <... chdir resumed>) = 0
[pid 9123] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9122] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9121] chdir("./170" <unfinished ...>
[pid 9123] <... memfd_create resumed>) = 3
[pid 9122] <... prctl resumed>) = 0
[pid 9121] <... chdir resumed>) = 0
[pid 9123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9122] setpgid(0, 0 <unfinished ...>
[pid 9121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9123] <... mmap resumed>) = 0x7fe424ef8000
[pid 9122] <... setpgid resumed>) = 0
[pid 9121] <... prctl resumed>) = 0
[pid 9123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9121] setpgid(0, 0 <unfinished ...>
[pid 9122] write(3, "1000", 4) = 4
[pid 9121] <... setpgid resumed>) = 0
[pid 9122] close(3) = 0
[pid 9121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9122] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9121] <... openat resumed>) = 3
[pid 9122] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9121] write(3, "1000", 4 <unfinished ...>
[pid 9122] <... futex resumed>) = 0
[pid 9121] <... write resumed>) = 4
[pid 9122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9121] close(3 <unfinished ...>
[pid 9122] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9121] <... close resumed>) = 0
[pid 9122] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9121] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9122] <... mprotect resumed>) = 0
[pid 9121] <... symlink resumed>) = 0
[pid 9122] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9121] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9116] <... write resumed>) = 2097152
[pid 9122] <... clone resumed>, parent_tid=[9124], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9124
[pid 9121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9122] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9121] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9122] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9121] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9124 attached
) = 0
[pid 9124] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9121] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9124] <... set_robust_list resumed>) = 0
[pid 9124] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9121] <... clone resumed>, parent_tid=[9125], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9125
[pid 9124] <... memfd_create resumed>) = 3
[pid 9121] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9118] <... write resumed>) = 2097152
[pid 9124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9121] <... futex resumed>) = 0
[pid 9124] <... mmap resumed>) = 0x7fe424ef8000
[pid 9121] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9116] munmap(0x7fe424ef8000, 2097152./strace-static-x86_64: Process 9125 attached
<unfinished ...>
[pid 9118] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9116] <... munmap resumed>) = 0
[pid 9125] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9118] <... munmap resumed>) = 0
[pid 9116] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9125] <... set_robust_list resumed>) = 0
[pid 9116] <... openat resumed>) = 4
[pid 9125] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9116] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9118] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9125] <... memfd_create resumed>) = 3
[pid 9118] <... openat resumed>) = 4
[pid 9125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9118] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 9118] close(3 <unfinished ...>
[pid 9111] <... write resumed>) = 299008
[pid 9116] <... ioctl resumed>) = 0
[pid 9111] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9118] <... close resumed>) = 0
[pid 9125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9118] mkdir("./file0", 0777 <unfinished ...>
[pid 9116] close(3 <unfinished ...>
[pid 9111] <... futex resumed>) = 0
[pid 9124] <... write resumed>) = 2097152
[pid 9123] <... write resumed>) = 2097152
[pid 9116] <... close resumed>) = 0
[pid 9111] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9107] exit_group(0 <unfinished ...>
[pid 9124] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9123] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9120] <... futex resumed>) = ?
[pid 9116] mkdir("./file0", 0777 <unfinished ...>
[pid 9111] <... futex resumed>) = ?
[pid 9107] <... exit_group resumed>) = ?
[pid 9124] <... munmap resumed>) = 0
[pid 9123] <... munmap resumed>) = 0
[pid 9120] +++ exited with 0 +++
[pid 9118] <... mkdir resumed>) = 0
[pid 9116] <... mkdir resumed>) = 0
[pid 9111] +++ exited with 0 +++
[pid 9107] +++ exited with 0 +++
[pid 9124] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9123] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9116] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9125] <... write resumed>) = 2097152
[pid 9124] <... openat resumed>) = 4
[pid 9123] <... openat resumed>) = 4
[pid 9118] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9107, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9125] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9123] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9125] <... munmap resumed>) = 0
[ 223.915615][ T9116] loop3: detected capacity change from 0 to 4096
[ 223.936968][ T9118] loop2: detected capacity change from 0 to 4096
[pid 9125] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5071] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9125] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9125] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9124] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9123] <... ioctl resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./166/binderfs") = 0
[pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9125] <... ioctl resumed>) = 0
[pid 9125] close(3) = 0
[pid 9125] mkdir("./file0", 0777) = 0
[pid 9125] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9123] close(3 <unfinished ...>
[pid 9124] <... ioctl resumed>) = 0
[ 223.979824][ T9123] loop0: detected capacity change from 0 to 4096
[ 223.984634][ T9125] loop5: detected capacity change from 0 to 4096
[ 223.993662][ T9118] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 224.002134][ T9124] loop4: detected capacity change from 0 to 4096
[ 224.009585][ T9116] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 224.017991][ T9118] NILFS (loop2): trying rollback from an earlier position
[pid 9123] <... close resumed>) = 0
[pid 9124] close(3 <unfinished ...>
[pid 9123] mkdir("./file0", 0777 <unfinished ...>
[pid 9124] <... close resumed>) = 0
[pid 9124] mkdir("./file0", 0777 <unfinished ...>
[pid 9123] <... mkdir resumed>) = 0
[pid 9124] <... mkdir resumed>) = 0
[pid 9124] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 224.025222][ T9116] NILFS (loop3): trying rollback from an earlier position
[ 224.051779][ T9124] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 224.060468][ T9123] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 224.061469][ T9125] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 224.073398][ T9123] NILFS (loop0): trying rollback from an earlier position
[ 224.084707][ T9124] NILFS (loop4): trying rollback from an earlier position
[ 224.092906][ T9116] NILFS (loop3): recovery complete
[pid 9123] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9118] <... mount resumed>) = 0
[pid 9116] <... mount resumed>) = 0
[pid 9118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9118] <... openat resumed>) = 3
[pid 9116] <... openat resumed>) = 3
[pid 9118] chdir("./file0" <unfinished ...>
[pid 9116] chdir("./file0" <unfinished ...>
[pid 9118] <... chdir resumed>) = 0
[pid 9116] <... chdir resumed>) = 0
[pid 9118] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9116] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9118] <... ioctl resumed>) = 0
[pid 9116] <... ioctl resumed>) = 0
[pid 9118] close(4 <unfinished ...>
[pid 9116] close(4 <unfinished ...>
[pid 9118] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9118] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9116] <... close resumed>) = 0
[pid 9118] <... futex resumed>) = 1
[pid 9117] <... futex resumed>) = 0
[pid 9116] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 224.098253][ T9118] NILFS (loop2): recovery complete
[ 224.109608][ T9126] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 224.111555][ T9127] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9118] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9117] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9116] <... futex resumed>) = 1
[pid 9114] <... futex resumed>) = 0
[pid 9118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9118] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9117] <... futex resumed>) = 0
[pid 9116] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9114] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./166/file0") = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9114] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9117] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9116] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9114] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9118] <... openat resumed>) = 4
[pid 5071] <... close resumed>) = 0
[pid 9118] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./166" <unfinished ...>
[pid 9118] <... futex resumed>) = 1
[pid 9117] <... futex resumed>) = 0
[ 224.159429][ T9123] NILFS (loop0): recovery complete
[ 224.167183][ T9124] NILFS (loop4): recovery complete
[ 224.185210][ T9125] NILFS (loop5): trying rollback from an earlier position
[ 224.195003][ T9128] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] <... rmdir resumed>) = 0
[pid 9124] <... mount resumed>) = 0
[pid 9123] <... mount resumed>) = 0
[pid 9118] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9117] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] mkdir("./167", 0777 <unfinished ...>
[pid 9124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9123] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9117] <... futex resumed>) = 0
[pid 9116] <... openat resumed>) = 4
[pid 9123] <... openat resumed>) = 3
[pid 9118] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9117] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9116] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9125] <... mount resumed>) = 0
[pid 9124] <... openat resumed>) = 3
[pid 9123] chdir("./file0" <unfinished ...>
[pid 9116] <... futex resumed>) = 0
[pid 9114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... mkdir resumed>) = 0
[pid 9125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9124] chdir("./file0" <unfinished ...>
[pid 9123] <... chdir resumed>) = 0
[pid 9116] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9114] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9125] <... openat resumed>) = 3
[pid 9124] <... chdir resumed>) = 0
[pid 9123] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9114] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9125] chdir("./file0" <unfinished ...>
[pid 9124] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9123] <... ioctl resumed>) = 0
[pid 9116] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9114] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9125] <... chdir resumed>) = 0
[pid 9124] <... ioctl resumed>) = 0
[pid 9123] close(4 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9125] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9124] close(4 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9125] <... ioctl resumed>) = 0
[pid 9124] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9125] close(4 <unfinished ...>
[pid 9124] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9125] <... close resumed>) = 0
[pid 9124] <... futex resumed>) = 1
[pid 9123] <... close resumed>) = 0
[pid 9122] <... futex resumed>) = 0
[pid 9125] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9124] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9123] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9122] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9131
[pid 9125] <... futex resumed>) = 1
[pid 9124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9123] <... futex resumed>) = 1
[pid 9122] <... futex resumed>) = 0
[pid 9121] <... futex resumed>) = 0
[pid 9119] <... futex resumed>) = 0
[pid 9125] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9124] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9123] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9122] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9121] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9124] <... openat resumed>) = 4
[pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9121] <... futex resumed>) = 0
[pid 9119] <... futex resumed>) = 0
[pid 9125] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9124] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9123] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9121] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9119] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9125] <... openat resumed>) = 4
[pid 9124] <... futex resumed>) = 1
[pid 9122] <... futex resumed>) = 0
[ 224.203675][ T9129] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 224.225878][ T9125] NILFS (loop5): recovery complete
[ 224.234092][ T9130] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9125] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9124] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9123] <... openat resumed>) = 4
[pid 9122] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9131 attached
[pid 9125] <... futex resumed>) = 1
[pid 9124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9123] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9122] <... futex resumed>) = 0
[pid 9121] <... futex resumed>) = 0
[pid 9117] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9125] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9124] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9123] <... futex resumed>) = 1
[pid 9122] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9121] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] <... futex resumed>) = 0
[pid 9117] <... futex resumed>) = 0
[pid 9131] <... set_robust_list resumed>) = 0
[pid 9125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9123] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9121] <... futex resumed>) = 0
[pid 9119] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9131] chdir("./167" <unfinished ...>
[pid 9125] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9121] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9119] <... futex resumed>) = 0
[pid 9117] <... mmap resumed>) = 0x7fe4250d7000
[pid 9114] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] <... chdir resumed>) = 0
[pid 9123] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9119] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9117] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9114] <... futex resumed>) = 0
[pid 9131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9117] <... mprotect resumed>) = 0
[pid 9114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9131] <... prctl resumed>) = 0
[pid 9117] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9114] <... mmap resumed>) = 0x7fe4250d7000
[pid 9131] setpgid(0, 0 <unfinished ...>
[pid 9114] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9131] <... setpgid resumed>) = 0
[pid 9117] <... clone resumed>, parent_tid=[9132], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9132
[pid 9114] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9132 attached
[pid 9131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9117] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9114] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9132] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9131] <... openat resumed>) = 3
[pid 9122] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9117] <... futex resumed>) = 0
[pid 9132] <... set_robust_list resumed>) = 0
[pid 9131] write(3, "1000", 4 <unfinished ...>
[pid 9122] <... futex resumed>) = 0
[pid 9117] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9114] <... clone resumed>, parent_tid=[9133], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9133
[pid 9132] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9131] <... write resumed>) = 4
[pid 9122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9114] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9133 attached
<unfinished ...>
[pid 9132] <... mmap resumed>) = 0x20000000
[pid 9133] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9132] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] close(3 <unfinished ...>
[pid 9122] <... mmap resumed>) = 0x7fe4250d7000
[pid 9114] <... futex resumed>) = 0
[pid 9133] <... set_robust_list resumed>) = 0
[pid 9132] <... futex resumed>) = 1
[pid 9131] <... close resumed>) = 0
[pid 9122] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9117] <... futex resumed>) = 0
[pid 9114] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9133] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9132] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9131] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9122] <... mprotect resumed>) = 0
[pid 9121] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9133] <... mmap resumed>) = 0x20000000
[pid 9131] <... symlink resumed>) = 0
[pid 9122] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9121] <... futex resumed>) = 0
[pid 9119] <... futex resumed>) = 0
[pid 9133] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9133] <... futex resumed>) = 1
[pid 9121] <... mmap resumed>) = 0x7fe4250d7000
[pid 9114] <... futex resumed>) = 0
[pid 9133] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9131] <... futex resumed>) = 0
[pid 9122] <... clone resumed>, parent_tid=[9134], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9134
[pid 9121] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9119] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9134 attached
[pid 9131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9122] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9121] <... mprotect resumed>) = 0
[pid 9119] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9134] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9131] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9122] <... futex resumed>) = 0
[pid 9121] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9134] <... set_robust_list resumed>) = 0
[pid 9131] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9122] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9119] <... mprotect resumed>) = 0
[pid 9134] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9131] <... mprotect resumed>) = 0
[pid 9121] <... clone resumed>, parent_tid=[9135], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9135
[pid 9119] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9134] <... mmap resumed>) = 0x20000000
[pid 9121] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9135 attached
<unfinished ...>
[pid 9134] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9121] <... futex resumed>) = 0
[pid 9135] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9134] <... futex resumed>) = 1
[pid 9122] <... futex resumed>) = 0
[pid 9121] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9119] <... clone resumed>, parent_tid=[9136], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9136
./strace-static-x86_64: Process 9136 attached
[pid 9135] <... set_robust_list resumed>) = 0
[pid 9134] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9131] <... clone resumed>, parent_tid=[9137], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9137
[pid 9119] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9137 attached
<unfinished ...>
[pid 9136] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9135] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9119] <... futex resumed>) = 0
[pid 9137] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9136] <... set_robust_list resumed>) = 0
[pid 9135] <... mmap resumed>) = 0x20000000
[pid 9131] <... futex resumed>) = 0
[pid 9119] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9137] <... set_robust_list resumed>) = 0
[pid 9136] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9135] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9137] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9135] <... futex resumed>) = 1
[pid 9121] <... futex resumed>) = 0
[pid 9137] <... memfd_create resumed>) = 3
[pid 9136] <... mmap resumed>) = 0x20000000
[pid 9135] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9136] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9119] <... futex resumed>) = 0
[pid 9136] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9123] <... write resumed>) = 151552
[pid 9123] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9119] exit_group(0 <unfinished ...>
[pid 9136] <... futex resumed>) = ?
[pid 9119] <... exit_group resumed>) = ?
[pid 9137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9136] +++ exited with 0 +++
[pid 9123] +++ exited with 0 +++
[pid 9119] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9119, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5070] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9124] <... write resumed>) = 282624
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9124] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9124] <... futex resumed>) = 0
[pid 9125] <... write resumed>) = 225280
[pid 9124] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9122] exit_group(0 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9134] <... futex resumed>) = ?
[pid 9125] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9124] <... futex resumed>) = ?
[pid 9122] <... exit_group resumed>) = ?
[pid 5070] fstat(3, <unfinished ...>
[pid 9134] +++ exited with 0 +++
[pid 9125] <... futex resumed>) = 0
[pid 9124] +++ exited with 0 +++
[pid 9122] +++ exited with 0 +++
[pid 9116] <... write resumed>) = 413696
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9125] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9121] exit_group(0 <unfinished ...>
[pid 9118] <... write resumed>) = 491520
[pid 9116] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9114] exit_group(0 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9137] <... write resumed>) = 2097152
[pid 9135] <... futex resumed>) = ?
[pid 9133] <... futex resumed>) = ?
[pid 9125] <... futex resumed>) = ?
[pid 9121] <... exit_group resumed>) = ?
[pid 9118] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9116] <... futex resumed>) = ?
[pid 9114] <... exit_group resumed>) = ?
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9122, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9137] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9135] +++ exited with 0 +++
[pid 9133] +++ exited with 0 +++
[pid 9125] +++ exited with 0 +++
[pid 9121] +++ exited with 0 +++
[pid 9118] <... futex resumed>) = 0
[pid 9116] +++ exited with 0 +++
[pid 9114] +++ exited with 0 +++
[pid 5074] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9137] <... munmap resumed>) = 0
[pid 9118] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9117] exit_group(0 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9121, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9114, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9137] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9132] <... futex resumed>) = ?
[pid 9118] <... futex resumed>) = ?
[pid 9117] <... exit_group resumed>) = ?
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] lstat("./166/binderfs", <unfinished ...>
[pid 9137] <... openat resumed>) = 4
[pid 9132] +++ exited with 0 +++
[pid 9118] +++ exited with 0 +++
[pid 9117] +++ exited with 0 +++
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9137] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9117, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5070] unlink("./166/binderfs" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] lstat("./167/binderfs", <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] unlink("./167/binderfs" <unfinished ...>
[pid 9137] <... ioctl resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 9137] close(3 <unfinished ...>
[pid 5073] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... unlink resumed>) = 0
[pid 5075] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9137] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9137] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9137] <... mkdir resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9137] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] fstat(3, <unfinished ...>
[pid 5073] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] getdents64(3, <unfinished ...>
[pid 5073] lstat("./169/binderfs", <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] unlink("./169/binderfs" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... unlink resumed>) = 0
[pid 5072] lstat("./168/binderfs", <unfinished ...>
[pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./168/binderfs") = 0
[pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./170/binderfs") = 0
[ 224.558432][ T9137] loop1: detected capacity change from 0 to 4096
[pid 5075] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./166/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./166") = 0
[pid 5070] mkdir("./167", 0777) = 0
[ 224.601138][ T9137] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 224.611743][ T9137] NILFS (loop1): trying rollback from an earlier position
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9138
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
./strace-static-x86_64: Process 9138 attached
[pid 9138] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 9138] chdir("./167") = 0
[pid 9138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9138] setpgid(0, 0) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 9138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] lstat("./168/file0", <unfinished ...>
[pid 9138] <... openat resumed>) = 3
[pid 5074] close(4 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9138] write(3, "1000", 4 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9138] <... write resumed>) = 4
[pid 9138] close(3 <unfinished ...>
[pid 5075] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] rmdir("./167/file0" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9138] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9138] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] lstat("./170/file0", <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9138] <... symlink resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9138] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9138] <... futex resumed>) = 0
[pid 9137] <... mount resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] rmdir("./167" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... openat resumed>) = 4
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] lstat("./169/file0", <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] mkdir("./168", 0777 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 9138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... close resumed>) = 0
[pid 9138] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] rmdir("./168/file0" <unfinished ...>
[pid 9138] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9137] <... openat resumed>) = 3
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9138] <... mprotect resumed>) = 0
[pid 9137] chdir("./file0" <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... openat resumed>) = 4
[pid 5072] <... rmdir resumed>) = 0
[pid 9138] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9137] <... chdir resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5072] getdents64(3, ./strace-static-x86_64: Process 9140 attached
<unfinished ...>
[pid 9137] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9140] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9138] <... clone resumed>, parent_tid=[9140], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9140
[pid 9137] <... ioctl resumed>) = 0
[pid 5075] rmdir("./170/file0" <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9140] <... set_robust_list resumed>) = 0
[pid 9138] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9137] close(4./strace-static-x86_64: Process 9141 attached
<unfinished ...>
[pid 9140] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9138] <... futex resumed>) = 0
[pid 9137] <... close resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... close resumed>) = 0
[pid 9141] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9140] <... memfd_create resumed>) = 3
[pid 9138] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9141
[pid 5073] getdents64(4, <unfinished ...>
[pid 5072] rmdir("./168" <unfinished ...>
[pid 9141] <... set_robust_list resumed>) = 0
[pid 9140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9137] <... futex resumed>) = 1
[pid 9131] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... rmdir resumed>) = 0
[ 224.727131][ T9137] NILFS (loop1): recovery complete
[ 224.739727][ T9139] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9141] chdir("./168" <unfinished ...>
[pid 9140] <... mmap resumed>) = 0x7fe424ef8000
[pid 9137] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9131] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5072] mkdir("./169", 0777 <unfinished ...>
[pid 9141] <... chdir resumed>) = 0
[pid 9140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9131] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 9141] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9137] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] rmdir("./170" <unfinished ...>
[pid 5073] rmdir("./169/file0" <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9141] <... prctl resumed>) = 0
[pid 9137] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9141] setpgid(0, 0 <unfinished ...>
[pid 9137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] mkdir("./171", 0777 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9141] <... setpgid resumed>) = 0
[pid 9137] <... futex resumed>) = 1
[pid 9131] <... futex resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9137] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9131] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9141] <... openat resumed>) = 3
[pid 9137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9131] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9141] write(3, "1000", 4 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] rmdir("./169" <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9141] <... write resumed>) = 4
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... rmdir resumed>) = 0
[pid 9141] close(3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] mkdir("./170", 0777 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9142
[pid 9141] <... close resumed>) = 0
[pid 9137] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 9141] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9141] <... symlink resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9141] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9143
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9141] <... futex resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9141] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 9142 attached
[pid 9141] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9142] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9141] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9143 attached
[pid 9142] <... set_robust_list resumed>) = 0
[pid 9141] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9144
[pid 9143] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9142] chdir("./169" <unfinished ...>
[pid 9143] <... set_robust_list resumed>) = 0
[pid 9142] <... chdir resumed>) = 0
[pid 9141] <... clone resumed>, parent_tid=[9145], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9145
[pid 9143] chdir("./171" <unfinished ...>
[pid 9142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9141] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9143] <... chdir resumed>) = 0
[pid 9142] <... prctl resumed>) = 0
[pid 9141] <... futex resumed>) = 0
[pid 9143] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9142] setpgid(0, 0 <unfinished ...>
[pid 9141] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9145 attached
./strace-static-x86_64: Process 9144 attached
<unfinished ...>
[pid 9143] <... prctl resumed>) = 0
[pid 9142] <... setpgid resumed>) = 0
[pid 9145] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9143] setpgid(0, 0 <unfinished ...>
[pid 9142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9145] <... set_robust_list resumed>) = 0
[pid 9144] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9143] <... setpgid resumed>) = 0
[pid 9142] <... openat resumed>) = 3
[pid 9145] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9142] write(3, "1000", 4 <unfinished ...>
[pid 9145] <... memfd_create resumed>) = 3
[pid 9143] <... openat resumed>) = 3
[pid 9142] <... write resumed>) = 4
[pid 9145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9143] write(3, "1000", 4 <unfinished ...>
[pid 9142] close(3 <unfinished ...>
[pid 9145] <... mmap resumed>) = 0x7fe424ef8000
[pid 9143] <... write resumed>) = 4
[pid 9142] <... close resumed>) = 0
[pid 9144] <... set_robust_list resumed>) = 0
[pid 9143] close(3 <unfinished ...>
[pid 9142] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9143] <... close resumed>) = 0
[pid 9142] <... symlink resumed>) = 0
[pid 9144] chdir("./170" <unfinished ...>
[pid 9143] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9142] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9144] <... chdir resumed>) = 0
[pid 9143] <... symlink resumed>) = 0
[pid 9142] <... futex resumed>) = 0
[pid 9144] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9143] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9144] <... prctl resumed>) = 0
[pid 9143] <... futex resumed>) = 0
[pid 9142] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9144] setpgid(0, 0 <unfinished ...>
[pid 9143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9142] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9144] <... setpgid resumed>) = 0
[pid 9143] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9142] <... mprotect resumed>) = 0
[pid 9144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9143] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9142] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9144] <... openat resumed>) = 3
[pid 9143] <... mprotect resumed>) = 0
[pid 9144] write(3, "1000", 4 <unfinished ...>
[pid 9143] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9142] <... clone resumed>, parent_tid=[9146], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9146
[pid 9144] <... write resumed>) = 4
[pid 9142] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9144] close(3 <unfinished ...>
[pid 9143] <... clone resumed>, parent_tid=[9147], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9147
[pid 9142] <... futex resumed>) = 0
[pid 9144] <... close resumed>) = 0
[pid 9143] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9142] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9146 attached
<unfinished ...>
[pid 9144] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9143] <... futex resumed>) = 0
[pid 9140] <... write resumed>) = 2097152
[pid 9131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9147 attached
[pid 9146] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9144] <... symlink resumed>) = 0
[pid 9143] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9140] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9147] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9146] <... set_robust_list resumed>) = 0
[pid 9145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9144] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] <... futex resumed>) = 0
[pid 9147] <... set_robust_list resumed>) = 0
[pid 9146] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9144] <... futex resumed>) = 0
[pid 9140] <... munmap resumed>) = 0
[pid 9131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9147] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9146] <... memfd_create resumed>) = 3
[pid 9144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9140] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9147] <... memfd_create resumed>) = 3
[pid 9146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9144] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9140] <... openat resumed>) = 4
[pid 9131] <... mmap resumed>) = 0x7fe4250d7000
[pid 9147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9146] <... mmap resumed>) = 0x7fe424ef8000
[pid 9144] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9140] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9131] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9147] <... mmap resumed>) = 0x7fe424ef8000
[pid 9144] <... mprotect resumed>) = 0
[pid 9144] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9140] <... ioctl resumed>) = 0
[pid 9131] <... mprotect resumed>) = 0
[pid 9131] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9144] <... clone resumed>, parent_tid=[9148], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9148
[pid 9144] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] <... clone resumed>, parent_tid=[9149], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9149
[pid 9144] <... futex resumed>) = 0
[pid 9131] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9144] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9131] <... futex resumed>) = 0
[pid 9140] close(3 <unfinished ...>
[pid 9131] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9149 attached
./strace-static-x86_64: Process 9148 attached
<unfinished ...>
[pid 9140] <... close resumed>) = 0
[pid 9149] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9148] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9140] mkdir("./file0", 0777 <unfinished ...>
[pid 9149] <... set_robust_list resumed>) = 0
[pid 9148] <... set_robust_list resumed>) = 0
[pid 9146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9140] <... mkdir resumed>) = 0
[pid 9149] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9148] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9140] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9149] <... mmap resumed>) = 0x20000000
[pid 9148] <... memfd_create resumed>) = 3
[pid 9149] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9149] <... futex resumed>) = 1
[pid 9131] <... futex resumed>) = 0
[pid 9149] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9148] <... mmap resumed>) = 0x7fe424ef8000
[pid 9145] <... write resumed>) = 2097152
[ 224.907629][ T9140] loop0: detected capacity change from 0 to 4096
[ 224.944609][ T9140] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9146] <... write resumed>) = 2097152
[pid 9145] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9146] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9145] <... munmap resumed>) = 0
[pid 9145] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 9145] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9146] <... munmap resumed>) = 0
[pid 9147] <... write resumed>) = 2097152
[pid 9146] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9147] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9146] <... openat resumed>) = 4
[pid 9147] <... munmap resumed>) = 0
[pid 9146] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9147] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9146] <... ioctl resumed>) = 0
[pid 9147] <... openat resumed>) = 4
[pid 9147] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9145] <... ioctl resumed>) = 0
[pid 9145] close(3) = 0
[pid 9145] mkdir("./file0", 0777 <unfinished ...>
[pid 9146] close(3 <unfinished ...>
[pid 9145] <... mkdir resumed>) = 0
[ 224.996488][ T9140] NILFS (loop0): trying rollback from an earlier position
[ 225.019596][ T9145] loop4: detected capacity change from 0 to 4096
[ 225.028749][ T9146] loop2: detected capacity change from 0 to 4096
[ 225.039331][ T9147] loop5: detected capacity change from 0 to 4096
[pid 9145] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9146] <... close resumed>) = 0
[pid 9146] mkdir("./file0", 0777) = 0
[pid 9137] <... write resumed>) = 327680
[pid 9147] <... ioctl resumed>) = 0
[pid 9146] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9131] exit_group(0 <unfinished ...>
[pid 9149] <... futex resumed>) = ?
[pid 9147] close(3 <unfinished ...>
[pid 9131] <... exit_group resumed>) = ?
[pid 9149] +++ exited with 0 +++
[pid 9148] <... write resumed>) = 2097152
[pid 9147] <... close resumed>) = 0
[pid 9137] <... futex resumed>) = ?
[pid 9147] mkdir("./file0", 0777) = 0
[pid 9147] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9148] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9140] <... mount resumed>) = 0
[pid 9137] +++ exited with 0 +++
[pid 9131] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9131, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[ 225.052907][ T9140] NILFS (loop0): recovery complete
[ 225.069916][ T9146] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 225.074562][ T9145] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 225.087416][ T9146] NILFS (loop2): trying rollback from an earlier position
[pid 5071] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./167/binderfs", <unfinished ...>
[pid 9148] <... munmap resumed>) = 0
[pid 9140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9148] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9140] <... openat resumed>) = 3
[pid 5071] unlink("./167/binderfs") = 0
[pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9148] <... openat resumed>) = 4
[pid 9140] chdir("./file0" <unfinished ...>
[pid 9148] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9140] <... chdir resumed>) = 0
[pid 9140] ioctl(4, LOOP_CLR_FD) = 0
[pid 9140] close(4) = 0
[pid 9140] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9148] <... ioctl resumed>) = 0
[pid 9140] <... futex resumed>) = 1
[pid 9138] <... futex resumed>) = 0
[pid 9140] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9138] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9138] <... futex resumed>) = 0
[pid 9140] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9138] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9148] close(3) = 0
[pid 9148] mkdir("./file0", 0777) = 0
[ 225.090761][ T9150] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 225.107574][ T9145] NILFS (loop4): trying rollback from an earlier position
[ 225.116044][ T9148] loop3: detected capacity change from 0 to 4096
[ 225.138599][ T9147] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9148] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9140] <... openat resumed>) = 4
[pid 9140] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9138] <... futex resumed>) = 0
[pid 9140] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9138] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9140] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9138] <... futex resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 9138] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 225.164408][ T9147] NILFS (loop5): trying rollback from an earlier position
[ 225.181659][ T9146] NILFS (loop2): recovery complete
[ 225.185230][ T9148] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9146] <... mount resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9146] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9146] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 4
[pid 9146] chdir("./file0" <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9146] <... chdir resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9146] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9146] <... ioctl resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 225.219645][ T9145] NILFS (loop4): recovery complete
[ 225.226565][ T9151] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 225.244630][ T9148] NILFS (loop3): trying rollback from an earlier position
[ 225.253026][ T9152] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9146] close(4 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9146] <... close resumed>) = 0
[pid 9145] <... mount resumed>) = 0
[pid 9138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9146] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[ 225.266556][ T9147] NILFS (loop5): recovery complete
[pid 9138] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9146] <... futex resumed>) = 1
[pid 9145] <... openat resumed>) = 3
[pid 9142] <... futex resumed>) = 0
[pid 9138] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9146] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9145] chdir("./file0" <unfinished ...>
[pid 9142] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] rmdir("./167/file0" <unfinished ...>
[pid 9146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9145] <... chdir resumed>) = 0
[pid 9142] <... futex resumed>) = 0
[pid 9138] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... rmdir resumed>) = 0
[pid 9148] <... mount resumed>) = 0
[pid 9146] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9145] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9142] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9138] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9148] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9148] <... openat resumed>) = 3
[pid 5071] close(3 <unfinished ...>
[pid 9148] chdir("./file0" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9148] <... chdir resumed>) = 0
[pid 5071] rmdir("./167" <unfinished ...>
[pid 9148] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9148] <... ioctl resumed>) = 0
[pid 9147] <... mount resumed>) = 0
[pid 9146] <... openat resumed>) = 4
[pid 9145] <... ioctl resumed>) = 0
[pid 9138] <... mprotect resumed>) = 0
[pid 5071] mkdir("./168", 0777 <unfinished ...>
[pid 9148] close(4 <unfinished ...>
[pid 9147] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9146] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9145] close(4 <unfinished ...>
[pid 9138] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9148] <... close resumed>) = 0
[pid 9147] <... openat resumed>) = 3
[pid 9146] <... futex resumed>) = 1
[pid 9142] <... futex resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9148] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9147] chdir("./file0" <unfinished ...>
[pid 9146] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9142] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9148] <... futex resumed>) = 1
[pid 9147] <... chdir resumed>) = 0
[pid 9146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9145] <... close resumed>) = 0
[pid 9144] <... futex resumed>) = 0
[pid 9142] <... futex resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9148] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9147] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9146] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9145] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9144] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9142] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9138] <... clone resumed>, parent_tid=[9155], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9155
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 9155 attached
[pid 9148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9147] <... ioctl resumed>) = 0
[pid 9145] <... futex resumed>) = 1
[pid 9144] <... futex resumed>) = 0
[pid 9141] <... futex resumed>) = 0
[pid 9138] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9155] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9148] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9147] close(4 <unfinished ...>
[pid 9145] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9144] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9141] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9138] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9155] <... set_robust_list resumed>) = 0
[pid 9148] <... openat resumed>) = 4
[pid 9147] <... close resumed>) = 0
[pid 9145] <... openat resumed>) = 4
[pid 9141] <... futex resumed>) = 0
[ 225.296566][ T9148] NILFS (loop3): recovery complete
[ 225.310257][ T9154] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 225.321643][ T9153] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9138] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9155] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9148] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9147] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9145] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9141] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9148] <... futex resumed>) = 1
[pid 9147] <... futex resumed>) = 1
[pid 9145] <... futex resumed>) = 0
[pid 9144] <... futex resumed>) = 0
[pid 9143] <... futex resumed>) = 0
[pid 9141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9156
[pid 9155] <... mmap resumed>) = 0x20000000
[pid 9148] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9147] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9145] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9144] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9143] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9141] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9156 attached
<unfinished ...>
[pid 9155] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9144] <... futex resumed>) = 0
[pid 9143] <... futex resumed>) = 0
[pid 9141] <... futex resumed>) = 0
[pid 9156] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9155] <... futex resumed>) = 1
[pid 9148] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9147] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9145] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9144] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9143] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9141] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9138] <... futex resumed>) = 0
[pid 9156] <... set_robust_list resumed>) = 0
[pid 9155] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9147] <... openat resumed>) = 4
[pid 9142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9156] chdir("./168" <unfinished ...>
[pid 9147] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9142] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9156] <... chdir resumed>) = 0
[pid 9147] <... futex resumed>) = 1
[pid 9143] <... futex resumed>) = 0
[pid 9142] <... futex resumed>) = 0
[pid 9156] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9147] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9143] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9156] <... prctl resumed>) = 0
[pid 9143] <... futex resumed>) = 0
[pid 9142] <... mmap resumed>) = 0x7fe4250d7000
[pid 9156] setpgid(0, 0 <unfinished ...>
[pid 9143] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9142] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9156] <... setpgid resumed>) = 0
[pid 9142] <... mprotect resumed>) = 0
[pid 9156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9142] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9156] <... openat resumed>) = 3
[pid 9156] write(3, "1000", 4 <unfinished ...>
[pid 9142] <... clone resumed>, parent_tid=[9157], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9157
[pid 9156] <... write resumed>) = 4
[pid 9142] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9156] close(3 <unfinished ...>
[pid 9142] <... futex resumed>) = 0
./strace-static-x86_64: Process 9157 attached
[pid 9156] <... close resumed>) = 0
[pid 9142] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9157] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9156] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9157] <... set_robust_list resumed>) = 0
[pid 9156] <... symlink resumed>) = 0
[pid 9157] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9157] <... mmap resumed>) = 0x20000000
[pid 9156] <... futex resumed>) = 0
[pid 9157] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9157] <... futex resumed>) = 1
[pid 9156] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9142] <... futex resumed>) = 0
[pid 9157] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9156] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9156] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9156] <... clone resumed>, parent_tid=[9158], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9158
[pid 9144] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9141] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9144] <... futex resumed>) = 0
[pid 9141] <... futex resumed>) = 0
./strace-static-x86_64: Process 9158 attached
[pid 9156] <... futex resumed>) = 0
[pid 9144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9158] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9144] <... mmap resumed>) = 0x7fe4250d7000
[pid 9141] <... mmap resumed>) = 0x7fe4250d7000
[pid 9158] <... set_robust_list resumed>) = 0
[pid 9144] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9143] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9141] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9158] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9144] <... mprotect resumed>) = 0
[pid 9143] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9141] <... mprotect resumed>) = 0
[pid 9158] <... memfd_create resumed>) = 3
[pid 9146] <... write resumed>) = 172032
[pid 9144] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9143] <... futex resumed>) = 0
[pid 9141] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9146] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9142] exit_group(0 <unfinished ...>
[pid 9158] <... mmap resumed>) = 0x7fe424ef8000
[pid 9157] <... futex resumed>) = ?
[pid 9146] <... futex resumed>) = ?
[pid 9144] <... clone resumed>, parent_tid=[9159], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9159
[pid 9143] <... mmap resumed>) = 0x7fe4250d7000
[pid 9142] <... exit_group resumed>) = ?
[pid 9141] <... clone resumed>, parent_tid=[9160], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9160
./strace-static-x86_64: Process 9159 attached
[pid 9157] +++ exited with 0 +++
[pid 9146] +++ exited with 0 +++
[pid 9144] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9143] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9142] +++ exited with 0 +++
[pid 9141] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9160 attached
<unfinished ...>
[pid 9159] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9144] <... futex resumed>) = 0
[pid 9143] <... mprotect resumed>) = 0
[pid 9141] <... futex resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9142, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 9160] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9159] <... set_robust_list resumed>) = 0
[pid 9144] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9143] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9141] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9160] <... set_robust_list resumed>) = 0
[pid 9159] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9160] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9143] <... clone resumed>, parent_tid=[9161], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9161
./strace-static-x86_64: Process 9161 attached
[pid 9160] <... mmap resumed>) = 0x20000000
[pid 9159] <... mmap resumed>) = 0x20000000
[pid 9143] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9161] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9160] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9159] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9143] <... futex resumed>) = 0
[pid 9161] <... set_robust_list resumed>) = 0
[pid 9160] <... futex resumed>) = 1
[pid 9159] <... futex resumed>) = 1
[pid 9144] <... futex resumed>) = 0
[pid 9143] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9141] <... futex resumed>) = 0
[pid 5072] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9161] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9160] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9159] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9161] <... mmap resumed>) = 0x20000000
[pid 5072] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9161] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9161] <... futex resumed>) = 1
[pid 9143] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9161] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9140] <... write resumed>) = 475136
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9140] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9140] <... futex resumed>) = 0
[pid 9138] exit_group(0 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9155] <... futex resumed>) = ?
[pid 9138] <... exit_group resumed>) = ?
[pid 5072] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9155] +++ exited with 0 +++
[pid 9140] +++ exited with 0 +++
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9138] +++ exited with 0 +++
[pid 5072] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./169/binderfs" <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9138, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5072] <... unlink resumed>) = 0
[pid 5070] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./167/binderfs" <unfinished ...>
[pid 9158] <... write resumed>) = 2097152
[pid 5070] <... unlink resumed>) = 0
[pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9158] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9158] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9147] <... write resumed>) = 237568
[pid 9147] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9147] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9143] exit_group(0 <unfinished ...>
[pid 9161] <... futex resumed>) = ?
[pid 9143] <... exit_group resumed>) = ?
[pid 9161] +++ exited with 0 +++
[pid 9147] <... futex resumed>) = ?
[pid 9158] <... openat resumed>) = 4
[pid 9158] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9147] +++ exited with 0 +++
[pid 9143] +++ exited with 0 +++
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9143, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 9145] <... write resumed>) = 253952
[pid 9145] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9145] <... futex resumed>) = 0
[pid 9141] exit_group(0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9160] <... futex resumed>) = ?
[pid 9141] <... exit_group resumed>) = ?
[pid 5075] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9160] +++ exited with 0 +++
[pid 9145] +++ exited with 0 +++
[pid 9141] +++ exited with 0 +++
[pid 5075] <... openat resumed>) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9141, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5072] <... umount2 resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9148] <... write resumed>) = 274432
[pid 5075] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9148] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9148] <... futex resumed>) = 0
[pid 9144] exit_group(0 <unfinished ...>
[pid 5075] lstat("./171/binderfs", <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] lstat("./169/file0", <unfinished ...>
[pid 9159] <... futex resumed>) = ?
[pid 9158] <... ioctl resumed>) = 0
[pid 9144] <... exit_group resumed>) = ?
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9159] +++ exited with 0 +++
[pid 9158] close(3 <unfinished ...>
[pid 5075] unlink("./171/binderfs" <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9158] <... close resumed>) = 0
[pid 9148] +++ exited with 0 +++
[pid 9144] +++ exited with 0 +++
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9158] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9158] <... mkdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9144, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 9158] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] lstat("./168/binderfs", <unfinished ...>
[pid 5073] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] unlink("./168/binderfs" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5074] <... unlink resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] fstat(4, <unfinished ...>
[pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 225.645574][ T9158] loop1: detected capacity change from 0 to 4096
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./170/binderfs") = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./169/file0" <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] lstat("./167/file0", <unfinished ...>
[pid 5072] close(3) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./169" <unfinished ...>
[pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./170", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5070] <... openat resumed>) = 4
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] close(3) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9162
[pid 5070] <... close resumed>) = 0
[pid 5070] rmdir("./167/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./167") = 0
[pid 5070] mkdir("./168", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9163
./strace-static-x86_64: Process 9163 attached
[pid 9163] set_robust_list(0x555556a0d5e0, 24) = 0
./strace-static-x86_64: Process 9162 attached
[pid 9163] chdir("./168" <unfinished ...>
[pid 9162] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9162] chdir("./170" <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9162] <... chdir resumed>) = 0
[pid 5075] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9162] setpgid(0, 0) = 0
[pid 5075] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9162] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 225.716174][ T9158] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 225.734387][ T9158] NILFS (loop1): trying rollback from an earlier position
[pid 5075] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9162] write(3, "1000", 4) = 4
[pid 5075] <... openat resumed>) = 4
[pid 9163] <... chdir resumed>) = 0
[pid 9162] close(3 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 9163] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9162] <... close resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9163] <... prctl resumed>) = 0
[pid 9163] setpgid(0, 0 <unfinished ...>
[pid 9162] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9163] <... setpgid resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9162] <... symlink resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9163] <... openat resumed>) = 3
[pid 9162] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9163] write(3, "1000", 4 <unfinished ...>
[pid 9162] <... futex resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9163] <... write resumed>) = 4
[pid 9162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9163] close(3) = 0
[pid 9162] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] rmdir("./171/file0" <unfinished ...>
[pid 9163] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9162] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9163] <... symlink resumed>) = 0
[pid 9162] <... mprotect resumed>) = 0
[pid 9163] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9162] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9163] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9162] <... clone resumed>, parent_tid=[9164], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9164
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] lstat("./170/file0", <unfinished ...>
[pid 9163] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9162] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9163] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9162] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9163] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9162] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] rmdir("./171" <unfinished ...>
[pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9164 attached
[ 225.801840][ T9158] NILFS (loop1): recovery complete
<unfinished ...>
[pid 9164] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9163] <... clone resumed>, parent_tid=[9166], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9166
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9164] <... set_robust_list resumed>) = 0
[pid 9163] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9158] <... mount resumed>) = 0
[pid 9164] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9163] <... futex resumed>) = 0
[pid 9158] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9164] <... memfd_create resumed>) = 3
[pid 9163] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9158] <... openat resumed>) = 3
[pid 9164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9158] chdir("./file0" <unfinished ...>
[pid 9164] <... mmap resumed>) = 0x7fe424ef8000
[pid 9158] <... chdir resumed>) = 0
[pid 9158] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] mkdir("./172", 0777 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9166 attached
<unfinished ...>
[pid 9158] <... ioctl resumed>) = 0
[pid 9166] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9158] close(4 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9166] <... set_robust_list resumed>) = 0
[pid 9158] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9166] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9158] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] fstat(4, <unfinished ...>
[pid 9166] <... memfd_create resumed>) = 3
[pid 9158] <... futex resumed>) = 1
[pid 9156] <... futex resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9158] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9166] <... mmap resumed>) = 0x7fe424ef8000
[pid 9158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9156] <... futex resumed>) = 0
[pid 9158] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... close resumed>) = 0
[pid 5074] lstat("./168/file0", <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9158] <... openat resumed>) = 4
[pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 9158] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9167
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 9158] <... futex resumed>) = 1
[pid 9156] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] rmdir("./170/file0" <unfinished ...>
[ 225.826233][ T9165] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9158] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9167 attached
[pid 9158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9156] <... futex resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9167] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9158] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9167] <... set_robust_list resumed>) = 0
[pid 9166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9167] chdir("./172" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... close resumed>) = 0
[pid 9167] <... chdir resumed>) = 0
[pid 9167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] rmdir("./170" <unfinished ...>
[pid 9167] setpgid(0, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9167] <... setpgid resumed>) = 0
[pid 9167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9167] <... openat resumed>) = 3
[pid 9167] write(3, "1000", 4) = 4
[pid 5074] <... close resumed>) = 0
[pid 5073] mkdir("./171", 0777 <unfinished ...>
[pid 9167] close(3 <unfinished ...>
[pid 9164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] rmdir("./168/file0" <unfinished ...>
[pid 9167] <... close resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 9167] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9167] <... symlink resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9167] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9167] <... futex resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5074] <... close resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9167] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] rmdir("./168" <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9167] <... mprotect resumed>) = 0
[pid 9167] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9167] <... clone resumed>, parent_tid=[9168], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9168
[pid 9167] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9167] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] mkdir("./169", 0777 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9156] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9156] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 9168 attached
<unfinished ...>
[pid 9156] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9169
[pid 9168] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9168] <... set_robust_list resumed>) = 0
[pid 9156] <... clone resumed>, parent_tid=[9170], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9170
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9168] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9156] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3./strace-static-x86_64: Process 9169 attached
<unfinished ...>
[pid 9168] <... memfd_create resumed>) = 3
[pid 9156] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
./strace-static-x86_64: Process 9170 attached
[pid 9169] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9164] <... write resumed>) = 2097152
[pid 9156] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9170] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9169] <... set_robust_list resumed>) = 0
[pid 9168] <... mmap resumed>) = 0x7fe424ef8000
./strace-static-x86_64: Process 9171 attached
[pid 9170] <... set_robust_list resumed>) = 0
[pid 9169] chdir("./171" <unfinished ...>
[pid 9171] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9169] <... chdir resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9171
[pid 9169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9171] <... set_robust_list resumed>) = 0
[pid 9170] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9169] <... prctl resumed>) = 0
[pid 9166] <... write resumed>) = 2097152
[pid 9171] chdir("./169" <unfinished ...>
[pid 9170] <... mmap resumed>) = 0x20000000
[pid 9170] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9156] <... futex resumed>) = 0
[pid 9170] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9169] setpgid(0, 0 <unfinished ...>
[pid 9171] <... chdir resumed>) = 0
[pid 9171] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9169] <... setpgid resumed>) = 0
[pid 9171] <... prctl resumed>) = 0
[pid 9169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9171] setpgid(0, 0 <unfinished ...>
[pid 9169] <... openat resumed>) = 3
[pid 9171] <... setpgid resumed>) = 0
[pid 9169] write(3, "1000", 4 <unfinished ...>
[pid 9171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9169] <... write resumed>) = 4
[pid 9171] <... openat resumed>) = 3
[pid 9169] close(3 <unfinished ...>
[pid 9171] write(3, "1000", 4 <unfinished ...>
[pid 9169] <... close resumed>) = 0
[pid 9171] <... write resumed>) = 4
[pid 9169] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9166] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9171] close(3 <unfinished ...>
[pid 9169] <... symlink resumed>) = 0
[pid 9171] <... close resumed>) = 0
[pid 9169] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9171] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9169] <... futex resumed>) = 0
[pid 9166] <... munmap resumed>) = 0
[pid 9171] <... symlink resumed>) = 0
[pid 9169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9171] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9169] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9166] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9164] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9171] <... futex resumed>) = 0
[pid 9169] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9164] <... munmap resumed>) = 0
[pid 9171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9169] <... mprotect resumed>) = 0
[pid 9166] <... openat resumed>) = 4
[pid 9164] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9171] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9169] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9166] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9164] <... openat resumed>) = 4
[pid 9171] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9164] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9171] <... mprotect resumed>) = 0
[pid 9169] <... clone resumed>, parent_tid=[9172], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9172
[pid 9166] <... ioctl resumed>) = 0
[pid 9158] <... write resumed>) = 204800
[pid 9171] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9169] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9166] close(3 <unfinished ...>
[pid 9158] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9169] <... futex resumed>) = 0
[pid 9166] <... close resumed>) = 0
[pid 9158] <... futex resumed>) = 0
[pid 9168] <... write resumed>) = 2097152
./strace-static-x86_64: Process 9173 attached
./strace-static-x86_64: Process 9172 attached
[pid 9171] <... clone resumed>, parent_tid=[9173], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9173
[pid 9169] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9166] mkdir("./file0", 0777 <unfinished ...>
[pid 9164] <... ioctl resumed>) = 0
[pid 9158] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9156] exit_group(0 <unfinished ...>
[pid 9170] <... futex resumed>) = ?
[pid 9158] <... futex resumed>) = ?
[pid 9156] <... exit_group resumed>) = ?
[pid 9173] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9172] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9171] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9170] +++ exited with 0 +++
[pid 9168] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9166] <... mkdir resumed>) = 0
[pid 9164] close(3 <unfinished ...>
[pid 9158] +++ exited with 0 +++
[pid 9156] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9156, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5071] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9172] <... set_robust_list resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9168] <... munmap resumed>) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9172] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9171] <... futex resumed>) = 0
[pid 5071] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9172] <... memfd_create resumed>) = 3
[pid 9171] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9168] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9166] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9168] <... openat resumed>) = 4
[pid 5071] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9172] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] unlink("./168/binderfs") = 0
[pid 9173] <... set_robust_list resumed>) = 0
[pid 9172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9168] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9164] <... close resumed>) = 0
[pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 226.019658][ T9166] loop0: detected capacity change from 0 to 4096
[ 226.020243][ T9164] loop2: detected capacity change from 0 to 4096
[ 226.051944][ T9166] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 226.061702][ T9168] loop5: detected capacity change from 0 to 4096
[pid 9173] memfd_create("syzkaller", 0) = 3
[pid 9164] mkdir("./file0", 0777 <unfinished ...>
[pid 9173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9168] <... ioctl resumed>) = 0
[pid 9164] <... mkdir resumed>) = 0
[pid 9173] <... mmap resumed>) = 0x7fe424ef8000
[pid 9168] close(3 <unfinished ...>
[pid 9164] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9168] <... close resumed>) = 0
[pid 9168] mkdir("./file0", 0777) = 0
[ 226.062018][ T9166] NILFS (loop0): trying rollback from an earlier position
[ 226.090365][ T9164] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 226.112354][ T9168] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9168] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9172] <... write resumed>) = 2097152
[pid 9172] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9172] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 9172] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./168/file0" <unfinished ...>
[pid 9172] <... ioctl resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9172] close(3 <unfinished ...>
[pid 9166] <... mount resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9166] chdir("./file0") = 0
[pid 5071] close(3 <unfinished ...>
[pid 9166] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9166] <... ioctl resumed>) = 0
[pid 9166] close(4 <unfinished ...>
[pid 5071] rmdir("./168" <unfinished ...>
[pid 9172] <... close resumed>) = 0
[pid 9166] <... close resumed>) = 0
[ 226.138273][ T9164] NILFS (loop2): trying rollback from an earlier position
[ 226.145698][ T9166] NILFS (loop0): recovery complete
[ 226.145973][ T9168] NILFS (loop5): trying rollback from an earlier position
[ 226.164974][ T9172] loop3: detected capacity change from 0 to 4096
[ 226.176247][ T9174] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9173] <... write resumed>) = 2097152
[pid 9172] mkdir("./file0", 0777 <unfinished ...>
[pid 9166] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9166] <... futex resumed>) = 1
[pid 9163] <... futex resumed>) = 0
[pid 9166] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9163] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] mkdir("./169", 0777 <unfinished ...>
[pid 9166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9163] <... futex resumed>) = 0
[pid 9173] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9166] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9172] <... mkdir resumed>) = 0
[pid 9163] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9173] <... munmap resumed>) = 0
[pid 9172] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9166] <... openat resumed>) = 4
[pid 9173] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9166] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9173] <... openat resumed>) = 4
[pid 9173] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9166] <... futex resumed>) = 1
[pid 9163] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9173] <... ioctl resumed>) = 0
[pid 9173] close(3) = 0
[pid 9173] mkdir("./file0", 0777) = 0
[pid 9173] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9163] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9166] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9163] <... futex resumed>) = 0
[ 226.202080][ T9168] NILFS (loop5): recovery complete
[ 226.220142][ T9173] loop4: detected capacity change from 0 to 4096
[ 226.221545][ T9172] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 226.242697][ T9173] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9163] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] close(3 <unfinished ...>
[pid 9168] <... mount resumed>) = 0
[pid 9164] <... mount resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9168] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9168] <... openat resumed>) = 3
[pid 9168] chdir("./file0" <unfinished ...>
[pid 9164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9177
[pid 9168] <... chdir resumed>) = 0
[pid 9164] <... openat resumed>) = 3
[pid 9168] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9164] chdir("./file0" <unfinished ...>
[pid 9168] <... ioctl resumed>) = 0
[pid 9164] <... chdir resumed>) = 0
[pid 9168] close(4 <unfinished ...>
[pid 9164] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 9177 attached
<unfinished ...>
[pid 9168] <... close resumed>) = 0
[pid 9164] <... ioctl resumed>) = 0
[pid 9163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9177] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9168] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9164] close(4 <unfinished ...>
[pid 9163] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9177] <... set_robust_list resumed>) = 0
[pid 9168] <... futex resumed>) = 1
[pid 9167] <... futex resumed>) = 0
[pid 9164] <... close resumed>) = 0
[pid 9163] <... futex resumed>) = 0
[ 226.248405][ T9164] NILFS (loop2): recovery complete
[ 226.253081][ T9173] NILFS (loop4): trying rollback from an earlier position
[ 226.263803][ T9175] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 226.274849][ T9172] NILFS (loop3): trying rollback from an earlier position
[ 226.283770][ T9176] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9177] chdir("./169" <unfinished ...>
[pid 9168] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9167] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9164] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9177] <... chdir resumed>) = 0
[pid 9168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9167] <... futex resumed>) = 0
[pid 9164] <... futex resumed>) = 1
[pid 9163] <... mmap resumed>) = 0x7fe4250d7000
[pid 9162] <... futex resumed>) = 0
[pid 9177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9168] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9167] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9164] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9163] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9162] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9177] <... prctl resumed>) = 0
[pid 9164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9163] <... mprotect resumed>) = 0
[pid 9162] <... futex resumed>) = 0
[pid 9177] setpgid(0, 0 <unfinished ...>
[pid 9172] <... mount resumed>) = 0
[pid 9164] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9162] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9177] <... setpgid resumed>) = 0
[pid 9172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9168] <... openat resumed>) = 4
[pid 9163] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9172] <... openat resumed>) = 3
[pid 9168] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9164] <... openat resumed>) = 4
./strace-static-x86_64: Process 9179 attached
[pid 9177] <... openat resumed>) = 3
[pid 9172] chdir("./file0" <unfinished ...>
[pid 9168] <... futex resumed>) = 1
[pid 9167] <... futex resumed>) = 0
[pid 9164] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9163] <... clone resumed>, parent_tid=[9179], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9179
[pid 9179] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9177] write(3, "1000", 4 <unfinished ...>
[pid 9172] <... chdir resumed>) = 0
[pid 9168] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9167] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9164] <... futex resumed>) = 1
[pid 9163] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9162] <... futex resumed>) = 0
[ 226.327220][ T9172] NILFS (loop3): recovery complete
[ 226.337956][ T9173] NILFS (loop4): recovery complete
[ 226.346765][ T9178] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9179] <... set_robust_list resumed>) = 0
[pid 9177] <... write resumed>) = 4
[pid 9173] <... mount resumed>) = 0
[pid 9172] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9167] <... futex resumed>) = 0
[pid 9164] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9163] <... futex resumed>) = 0
[pid 9162] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9179] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9177] close(3 <unfinished ...>
[pid 9173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9172] <... ioctl resumed>) = 0
[pid 9168] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9167] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9163] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9162] <... futex resumed>) = 0
[pid 9179] <... mmap resumed>) = 0x20000000
[pid 9177] <... close resumed>) = 0
[pid 9173] <... openat resumed>) = 3
[pid 9172] close(4 <unfinished ...>
[pid 9164] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9179] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9177] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9172] <... close resumed>) = 0
[pid 9163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9162] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9179] <... futex resumed>) = 0
[pid 9177] <... symlink resumed>) = 0
[pid 9172] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9179] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9177] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9172] <... futex resumed>) = 1
[pid 9169] <... futex resumed>) = 0
[pid 9177] <... futex resumed>) = 0
[pid 9172] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9177] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9177] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9181], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9181
[pid 9177] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9177] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9169] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9172] <... futex resumed>) = 0
[pid 9169] <... futex resumed>) = 1
[pid 9172] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9169] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9172] <... openat resumed>) = 4
[pid 9172] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9169] <... futex resumed>) = 0
[pid 9172] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9169] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9169] <... futex resumed>) = 0
[pid 9172] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9169] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9173] chdir("./file0") = 0
[pid 9173] ioctl(4, LOOP_CLR_FD) = 0
[pid 9173] close(4) = 0
[ 226.382332][ T9180] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9173] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9171] <... futex resumed>) = 0
[pid 9167] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9181 attached
[pid 9173] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9171] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9167] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9181] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9171] <... futex resumed>) = 0
[pid 9167] <... futex resumed>) = 0
[pid 9181] <... set_robust_list resumed>) = 0
[pid 9173] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9171] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9181] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9173] <... openat resumed>) = 4
[pid 9167] <... mmap resumed>) = 0x7fe4250d7000
[pid 9162] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9173] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9167] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9162] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9181] <... memfd_create resumed>) = 3
[pid 9181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9173] <... futex resumed>) = 1
[pid 9171] <... futex resumed>) = 0
[pid 9167] <... mprotect resumed>) = 0
[pid 9162] <... futex resumed>) = 0
[pid 9181] <... mmap resumed>) = 0x7fe424ef8000
[pid 9173] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9171] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9167] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9171] <... futex resumed>) = 0
[pid 9169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9162] <... mmap resumed>) = 0x7fe4250d7000
[pid 9173] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9171] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9169] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9167] <... clone resumed>, parent_tid=[9182], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9182
[pid 9162] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9169] <... futex resumed>) = 0
[pid 9167] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9167] <... futex resumed>) = 0
[pid 9162] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9182 attached
[pid 9169] <... mmap resumed>) = 0x7fe4250d7000
[pid 9167] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9162] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9182] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9169] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9182] <... set_robust_list resumed>) = 0
[pid 9169] <... mprotect resumed>) = 0
[pid 9162] <... clone resumed>, parent_tid=[9183], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9183
[pid 9182] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9169] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9162] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9182] <... mmap resumed>) = 0x20000000
[pid 9162] <... futex resumed>) = 0
[pid 9169] <... clone resumed>, parent_tid=[9184], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9184
[pid 9162] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9182] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9169] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9184 attached
<unfinished ...>
[pid 9182] <... futex resumed>) = 1
[pid 9169] <... futex resumed>) = 0
[pid 9167] <... futex resumed>) = 0
[pid 9182] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9169] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9184] set_robust_list(0x7fe4250f79e0, 24./strace-static-x86_64: Process 9183 attached
) = 0
[pid 9184] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9183] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9184] <... mmap resumed>) = 0x20000000
[pid 9183] <... set_robust_list resumed>) = 0
[pid 9184] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9183] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9184] <... futex resumed>) = 1
[pid 9169] <... futex resumed>) = 0
[pid 9184] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9183] <... mmap resumed>) = 0x20000000
[pid 9183] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9162] <... futex resumed>) = 0
[pid 9183] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9171] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9171] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9171] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9185], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9185
[pid 9171] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 9185 attached
[pid 9181] <... write resumed>) = 2097152
[pid 9171] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9164] <... write resumed>) = 188416
[pid 9185] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9181] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9185] <... set_robust_list resumed>) = 0
[pid 9172] <... write resumed>) = 217088
[pid 9168] <... write resumed>) = 192512
[pid 9164] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9185] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9181] <... munmap resumed>) = 0
[pid 9172] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9168] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9164] <... futex resumed>) = 0
[pid 9185] <... mmap resumed>) = 0x20000000
[pid 9181] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9172] <... futex resumed>) = 0
[pid 9169] exit_group(0 <unfinished ...>
[pid 9168] <... futex resumed>) = 0
[pid 9167] exit_group(0 <unfinished ...>
[pid 9164] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9162] exit_group(0 <unfinished ...>
[pid 9185] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9184] <... futex resumed>) = ?
[pid 9183] <... futex resumed>) = ?
[pid 9182] <... futex resumed>) = ?
[pid 9181] <... openat resumed>) = 4
[pid 9169] <... exit_group resumed>) = ?
[pid 9167] <... exit_group resumed>) = ?
[pid 9164] <... futex resumed>) = ?
[pid 9162] <... exit_group resumed>) = ?
[pid 9185] <... futex resumed>) = 1
[pid 9184] +++ exited with 0 +++
[pid 9183] +++ exited with 0 +++
[pid 9182] +++ exited with 0 +++
[pid 9181] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9172] +++ exited with 0 +++
[pid 9171] <... futex resumed>) = 0
[pid 9169] +++ exited with 0 +++
[pid 9168] +++ exited with 0 +++
[pid 9167] +++ exited with 0 +++
[pid 9164] +++ exited with 0 +++
[pid 9162] +++ exited with 0 +++
[pid 9185] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9181] <... ioctl resumed>) = 0
[pid 9166] <... write resumed>) = 569344
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9167, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9169, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9162, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9166] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9166] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9163] exit_group(0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9179] <... futex resumed>) = ?
[pid 9166] <... futex resumed>) = ?
[pid 9163] <... exit_group resumed>) = ?
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9179] +++ exited with 0 +++
[pid 9166] +++ exited with 0 +++
[pid 5073] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9163] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9163, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 5073] <... openat resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9181] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9181] <... close resumed>) = 0
[pid 5075] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] lstat("./171/binderfs", <unfinished ...>
[pid 9181] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] lstat("./170/binderfs", <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9181] <... mkdir resumed>) = 0
[pid 5075] lstat("./172/binderfs", <unfinished ...>
[pid 5073] unlink("./171/binderfs" <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9181] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5072] unlink("./170/binderfs" <unfinished ...>
[pid 5070] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9173] <... write resumed>) = 262144
[pid 5075] unlink("./172/binderfs" <unfinished ...>
[pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9173] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9173] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9173] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5070] lstat("./168/binderfs", <unfinished ...>
[pid 5075] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./168/binderfs" <unfinished ...>
[pid 9171] exit_group(0 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 9185] <... futex resumed>) = ?
[pid 9173] <... futex resumed>) = ?
[pid 9171] <... exit_group resumed>) = ?
[pid 9173] +++ exited with 0 +++
[pid 9185] +++ exited with 0 +++
[ 226.617396][ T9181] loop1: detected capacity change from 0 to 4096
[pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9171] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9171, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5074] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./169/binderfs") = 0
[ 226.657547][ T9181] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 226.665994][ T9181] NILFS (loop1): trying rollback from an earlier position
[ 226.688326][ T9181] NILFS (loop1): recovery complete
[pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9181] <... mount resumed>) = 0
[pid 9181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9181] chdir("./file0") = 0
[pid 9181] ioctl(4, LOOP_CLR_FD) = 0
[pid 9181] close(4) = 0
[pid 9181] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9177] <... futex resumed>) = 0
[pid 9181] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9177] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9181] <... futex resumed>) = 0
[pid 9177] <... futex resumed>) = 1
[pid 9181] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9177] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[ 226.717951][ T9186] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] <... umount2 resumed>) = 0
[pid 5075] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9177] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] <... umount2 resumed>) = 0
[pid 9177] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9177] <... futex resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9177] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... close resumed>) = 0
[pid 9177] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9181] <... openat resumed>) = 4
[pid 9177] <... mprotect resumed>) = 0
[pid 5075] rmdir("./172/file0" <unfinished ...>
[pid 5070] lstat("./168/file0", <unfinished ...>
[pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9181] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9177] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9181] <... futex resumed>) = 0
[pid 9177] <... clone resumed>, parent_tid=[9187], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9187
[pid 9181] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9177] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9177] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9177] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] lstat("./171/file0", <unfinished ...>
[pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] rmdir("./172" <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 5075] mkdir("./173", 0777./strace-static-x86_64: Process 9187 attached
<unfinished ...>
[pid 9187] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9187] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] <... openat resumed>) = 4
[pid 5072] lstat("./170/file0", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] rmdir("./168/file0"./strace-static-x86_64: Process 9188 attached
<unfinished ...>
[pid 9188] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9188
[pid 5073] getdents64(4, <unfinished ...>
[pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] rmdir("./171/file0" <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9188] <... set_robust_list resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] rmdir("./168" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9188] chdir("./173" <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 9188] <... chdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] mkdir("./169", 0777 <unfinished ...>
[pid 5073] rmdir("./171" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9188] setpgid(0, 0 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9188] <... setpgid resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5073] mkdir("./172", 0777 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] lstat("./169/file0", <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] rmdir("./170/file0" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9188] <... openat resumed>) = 3
[pid 9188] write(3, "1000", 4) = 4
[pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9188] close(3 <unfinished ...>
[pid 9177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9188] <... close resumed>) = 0
[pid 9177] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9188] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9181] <... futex resumed>) = 0
[pid 9177] <... futex resumed>) = 1
[pid 9188] <... symlink resumed>) = 0
[pid 9181] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9177] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9188] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9181] <... mmap resumed>) = 0x20000000
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9188] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9188] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9190], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9190
[pid 9188] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9181] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9191
[pid 5072] <... close resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9189
[pid 9188] <... futex resumed>) = 0
[pid 9181] <... futex resumed>) = 1
[pid 9177] <... futex resumed>) = 0
[pid 5074] getdents64(4, ./strace-static-x86_64: Process 9189 attached
<unfinished ...>
[pid 9188] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9189] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9189] chdir("./169" <unfinished ...>
[pid 5072] rmdir("./170"./strace-static-x86_64: Process 9191 attached
<unfinished ...>
[pid 9189] <... chdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9190 attached
[pid 9191] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9189] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9181] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9191] <... set_robust_list resumed>) = 0
[pid 9190] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9189] <... prctl resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] mkdir("./171", 0777 <unfinished ...>
[pid 9191] chdir("./172" <unfinished ...>
[pid 9190] <... set_robust_list resumed>) = 0
[pid 9189] setpgid(0, 0 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 9191] <... chdir resumed>) = 0
[pid 9190] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9189] <... setpgid resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 9191] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9190] <... memfd_create resumed>) = 3
[pid 9189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9191] <... prctl resumed>) = 0
[pid 9190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9189] <... openat resumed>) = 3
[pid 9191] setpgid(0, 0 <unfinished ...>
[pid 9190] <... mmap resumed>) = 0x7fe424ef8000
[pid 9189] write(3, "1000", 4 <unfinished ...>
[pid 5074] rmdir("./169/file0" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9191] <... setpgid resumed>) = 0
[pid 9189] <... write resumed>) = 4
[pid 9187] <... write resumed>) = 126976
[pid 9191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9189] close(3 <unfinished ...>
[pid 9187] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9177] exit_group(0 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9191] <... openat resumed>) = 3
[pid 9189] <... close resumed>) = 0
[pid 9187] <... futex resumed>) = ?
[pid 9181] <... futex resumed>) = ?
[pid 9177] <... exit_group resumed>) = ?
[pid 5074] getdents64(3, <unfinished ...>
[pid 9191] write(3, "1000", 4 <unfinished ...>
[pid 9189] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9187] +++ exited with 0 +++
[pid 9181] +++ exited with 0 +++
[pid 9177] +++ exited with 0 +++
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9191] <... write resumed>) = 4
[pid 9189] <... symlink resumed>) = 0
[pid 9191] close(3 <unfinished ...>
[pid 9189] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9177, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 9191] <... close resumed>) = 0
[pid 9189] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9191] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9191] <... symlink resumed>) = 0
[pid 9189] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] rmdir("./169" <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9191] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9191] <... futex resumed>) = 0
[pid 9189] <... mprotect resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9189] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9191] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] mkdir("./170", 0777 <unfinished ...>
[pid 5071] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9191] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9189] <... clone resumed>, parent_tid=[9193], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9193
[pid 9191] <... mprotect resumed>) = 0
[pid 9189] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9191] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9189] <... futex resumed>) = 0
[pid 9189] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9191] <... clone resumed>, parent_tid=[9194], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9194
[pid 9191] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9191] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9192 attached
[pid 9192] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9192
[pid 5071] <... openat resumed>) = 3
[pid 9192] <... set_robust_list resumed>) = 0
[pid 9190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5074] <... close resumed>) = 0
./strace-static-x86_64: Process 9194 attached
[pid 9192] chdir("./171" <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9194] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9192] <... chdir resumed>) = 0
[pid 9194] <... set_robust_list resumed>) = 0
[pid 9192] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9194] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9192] <... prctl resumed>) = 0
[pid 5071] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9193 attached
<unfinished ...>
[pid 9194] <... memfd_create resumed>) = 3
[pid 9192] setpgid(0, 0 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9195
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9192] <... setpgid resumed>) = 0
[pid 9194] <... mmap resumed>) = 0x7fe424ef8000
[pid 9193] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] lstat("./169/binderfs", ./strace-static-x86_64: Process 9195 attached
<unfinished ...>
[pid 9193] <... set_robust_list resumed>) = 0
[pid 9192] <... openat resumed>) = 3
[pid 9195] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9192] write(3, "1000", 4 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9195] <... set_robust_list resumed>) = 0
[pid 9193] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9192] <... write resumed>) = 4
[pid 5071] unlink("./169/binderfs" <unfinished ...>
[pid 9195] chdir("./170" <unfinished ...>
[pid 9193] <... memfd_create resumed>) = 3
[pid 9192] close(3 <unfinished ...>
[pid 9195] <... chdir resumed>) = 0
[pid 9193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9192] <... close resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9193] <... mmap resumed>) = 0x7fe424ef8000
[pid 9192] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9195] <... prctl resumed>) = 0
[pid 9192] <... symlink resumed>) = 0
[pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9192] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9192] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9192] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9196], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9196
[pid 9192] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9195] setpgid(0, 0 <unfinished ...>
[pid 9192] <... futex resumed>) = 0
[pid 9195] <... setpgid resumed>) = 0
[pid 9192] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9195] write(3, "1000", 4) = 4
./strace-static-x86_64: Process 9196 attached
[pid 9195] close(3) = 0
[pid 9196] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9195] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9196] <... set_robust_list resumed>) = 0
[pid 9196] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9195] <... symlink resumed>) = 0
[pid 9195] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9196] <... memfd_create resumed>) = 3
[pid 9195] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9195] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9196] <... mmap resumed>) = 0x7fe424ef8000
[pid 9195] <... mprotect resumed>) = 0
[pid 9195] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9190] <... write resumed>) = 2097152
[pid 9195] <... clone resumed>, parent_tid=[9197], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9197
./strace-static-x86_64: Process 9197 attached
[pid 9196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9195] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9197] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9195] <... futex resumed>) = 0
[pid 9197] <... set_robust_list resumed>) = 0
[pid 9195] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9197] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9190] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9197] <... memfd_create resumed>) = 3
[pid 9190] <... munmap resumed>) = 0
[pid 9197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9190] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 9190] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 9190] close(3) = 0
[pid 9190] mkdir("./file0", 0777) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9194] <... write resumed>) = 2097152
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9190] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 227.004731][ T9190] loop5: detected capacity change from 0 to 4096
[pid 5071] lstat("./169/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9194] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9194] <... munmap resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, <unfinished ...>
[pid 9194] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9194] <... openat resumed>) = 4
[pid 5071] getdents64(4, <unfinished ...>
[pid 9194] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9194] <... ioctl resumed>) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./169/file0") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./169") = 0
[pid 5071] mkdir("./170", 0777 <unfinished ...>
[pid 9193] <... write resumed>) = 2097152
[pid 5071] <... mkdir resumed>) = 0
[pid 9193] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9196] <... write resumed>) = 2097152
[pid 9193] <... munmap resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9193] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9193] <... openat resumed>) = 4
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9193] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9194] close(3 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[ 227.050374][ T9190] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 227.076989][ T9194] loop3: detected capacity change from 0 to 4096
[pid 9194] <... close resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9194] mkdir("./file0", 0777) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9198
[pid 9194] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9196] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9196] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 9196] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9197] <... write resumed>) = 2097152
[pid 9193] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 9198 attached
[pid 9197] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9196] <... ioctl resumed>) = 0
[pid 9193] close(3 <unfinished ...>
[pid 9198] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9197] <... munmap resumed>) = 0
[pid 9196] close(3 <unfinished ...>
[pid 9193] <... close resumed>) = 0
[pid 9198] <... set_robust_list resumed>) = 0
[pid 9197] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9196] <... close resumed>) = 0
[pid 9193] mkdir("./file0", 0777 <unfinished ...>
[pid 9198] chdir("./170" <unfinished ...>
[pid 9197] <... openat resumed>) = 4
[pid 9196] mkdir("./file0", 0777 <unfinished ...>
[pid 9198] <... chdir resumed>) = 0
[pid 9197] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9193] <... mkdir resumed>) = 0
[pid 9196] <... mkdir resumed>) = 0
[ 227.102471][ T9193] loop0: detected capacity change from 0 to 4096
[ 227.112973][ T9196] loop2: detected capacity change from 0 to 4096
[ 227.124462][ T9190] NILFS (loop5): trying rollback from an earlier position
[ 227.132565][ T9194] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 227.142936][ T9194] NILFS (loop3): trying rollback from an earlier position
[pid 9198] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9196] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9193] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9198] <... prctl resumed>) = 0
[pid 9197] <... ioctl resumed>) = 0
[pid 9198] setpgid(0, 0 <unfinished ...>
[pid 9197] close(3 <unfinished ...>
[pid 9198] <... setpgid resumed>) = 0
[pid 9198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9198] write(3, "1000", 4) = 4
[pid 9198] close(3 <unfinished ...>
[pid 9197] <... close resumed>) = 0
[pid 9198] <... close resumed>) = 0
[pid 9197] mkdir("./file0", 0777 <unfinished ...>
[pid 9198] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9197] <... mkdir resumed>) = 0
[pid 9198] <... symlink resumed>) = 0
[pid 9197] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9198] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9198] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9198] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9200], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9200
[pid 9198] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 227.154237][ T9197] loop4: detected capacity change from 0 to 4096
[ 227.156684][ T9190] NILFS (loop5): recovery complete
[ 227.179997][ T9196] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 227.189244][ T9193] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9198] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9200 attached
<unfinished ...>
[pid 9190] <... mount resumed>) = 0
[pid 9190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9190] chdir("./file0") = 0
[pid 9190] ioctl(4, LOOP_CLR_FD) = 0
[pid 9190] close(4 <unfinished ...>
[pid 9200] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9190] <... close resumed>) = 0
[pid 9200] <... set_robust_list resumed>) = 0
[pid 9190] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9200] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9190] <... futex resumed>) = 1
[pid 9188] <... futex resumed>) = 0
[pid 9200] <... memfd_create resumed>) = 3
[pid 9190] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9188] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9188] <... futex resumed>) = 0
[pid 9200] <... mmap resumed>) = 0x7fe424ef8000
[pid 9190] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 227.197247][ T9199] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 227.200440][ T9196] NILFS (loop2): trying rollback from an earlier position
[ 227.209688][ T9197] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 227.225135][ T9194] NILFS (loop3): recovery complete
[ 227.225194][ T9197] NILFS (loop4): trying rollback from an earlier position
[ 227.237716][ T9193] NILFS (loop0): trying rollback from an earlier position
[pid 9188] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9190] <... openat resumed>) = 4
[pid 9190] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9188] <... futex resumed>) = 0
[pid 9190] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9188] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9194] <... mount resumed>) = 0
[pid 9190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9194] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9194] chdir("./file0") = 0
[pid 9194] ioctl(4, LOOP_CLR_FD) = 0
[pid 9194] close(4) = 0
[pid 9190] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9188] <... futex resumed>) = 0
[pid 9200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9194] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9194] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9188] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9200] <... write resumed>) = 2097152
[pid 9196] <... mount resumed>) = 0
[pid 9191] <... futex resumed>) = 0
[pid 9196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9191] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9196] <... openat resumed>) = 3
[ 227.269637][ T9196] NILFS (loop2): recovery complete
[ 227.280357][ T9201] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 227.295650][ T9197] NILFS (loop4): recovery complete
[ 227.300995][ T9202] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9194] <... futex resumed>) = 0
[pid 9191] <... futex resumed>) = 1
[pid 9196] chdir("./file0" <unfinished ...>
[pid 9194] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9200] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9197] <... mount resumed>) = 0
[pid 9196] <... chdir resumed>) = 0
[pid 9191] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9196] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9197] <... openat resumed>) = 3
[pid 9196] <... ioctl resumed>) = 0
[pid 9197] chdir("./file0" <unfinished ...>
[pid 9196] close(4 <unfinished ...>
[pid 9197] <... chdir resumed>) = 0
[pid 9196] <... close resumed>) = 0
[pid 9197] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9196] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9200] <... munmap resumed>) = 0
[pid 9197] <... ioctl resumed>) = 0
[pid 9196] <... futex resumed>) = 1
[pid 9194] <... openat resumed>) = 4
[pid 9193] <... mount resumed>) = 0
[pid 9192] <... futex resumed>) = 0
[pid 9188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 227.341153][ T9193] NILFS (loop0): recovery complete
[ 227.345963][ T9203] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 227.361298][ T9204] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9200] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9197] close(4 <unfinished ...>
[pid 9196] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9194] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9192] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9188] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9200] <... openat resumed>) = 4
[pid 9197] <... close resumed>) = 0
[pid 9196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9194] <... futex resumed>) = 1
[pid 9193] <... openat resumed>) = 3
[pid 9192] <... futex resumed>) = 0
[pid 9191] <... futex resumed>) = 0
[pid 9188] <... futex resumed>) = 0
[pid 9200] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9197] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9196] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9194] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9193] chdir("./file0" <unfinished ...>
[pid 9192] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9191] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9197] <... futex resumed>) = 1
[pid 9195] <... futex resumed>) = 0
[pid 9194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9197] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9195] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9194] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9200] <... ioctl resumed>) = 0
[pid 9197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9196] <... openat resumed>) = 4
[pid 9195] <... futex resumed>) = 0
[pid 9193] <... chdir resumed>) = 0
[pid 9191] <... futex resumed>) = 0
[pid 9188] <... mmap resumed>) = 0x7fe4250d7000
[pid 9200] close(3 <unfinished ...>
[pid 9197] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9196] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9195] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9193] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9191] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9188] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9200] <... close resumed>) = 0
[pid 9196] <... futex resumed>) = 1
[pid 9193] <... ioctl resumed>) = 0
[pid 9192] <... futex resumed>) = 0
[pid 9188] <... mprotect resumed>) = 0
[pid 9200] mkdir("./file0", 0777 <unfinished ...>
[pid 9196] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9193] close(4 <unfinished ...>
[pid 9192] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9188] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9200] <... mkdir resumed>) = 0
[pid 9196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9193] <... close resumed>) = 0
[pid 9192] <... futex resumed>) = 0
./strace-static-x86_64: Process 9205 attached
[pid 9200] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9196] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9193] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9192] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9188] <... clone resumed>, parent_tid=[9205], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9205
[pid 9205] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9193] <... futex resumed>) = 1
[pid 9188] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9205] <... set_robust_list resumed>) = 0
[pid 9193] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9189] <... futex resumed>) = 0
[pid 9188] <... futex resumed>) = 0
[pid 9205] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 227.391843][ T9200] loop1: detected capacity change from 0 to 4096
[pid 9193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9189] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9188] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9197] <... openat resumed>) = 4
[pid 9197] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9195] <... futex resumed>) = 0
[pid 9193] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9189] <... futex resumed>) = 0
[pid 9197] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9195] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9195] <... futex resumed>) = 0
[pid 9205] <... mmap resumed>) = 0x20000000
[pid 9197] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9195] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9205] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9193] <... openat resumed>) = 4
[pid 9191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9205] <... futex resumed>) = 1
[pid 9193] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9191] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9188] <... futex resumed>) = 0
[pid 9205] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9193] <... futex resumed>) = 1
[pid 9192] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9191] <... futex resumed>) = 0
[pid 9189] <... futex resumed>) = 0
[pid 9193] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9192] <... futex resumed>) = 0
[pid 9191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9189] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9191] <... mmap resumed>) = 0x7fe4250d7000
[pid 9189] <... futex resumed>) = 0
[ 227.443223][ T9200] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 227.463824][ T9200] NILFS (loop1): trying rollback from an earlier position
[pid 9193] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9192] <... mmap resumed>) = 0x7fe4250d7000
[pid 9191] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9189] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9192] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9191] <... mprotect resumed>) = 0
[pid 9192] <... mprotect resumed>) = 0
[pid 9191] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[ 227.504001][ T9200] NILFS (loop1): recovery complete
[pid 9192] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9208 attached
./strace-static-x86_64: Process 9207 attached
<unfinished ...>
[pid 9200] <... mount resumed>) = 0
[pid 9195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9192] <... clone resumed>, parent_tid=[9208], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9208
[pid 9191] <... clone resumed>, parent_tid=[9207], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9207
[pid 9208] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9207] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9195] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9192] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9191] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9208] <... set_robust_list resumed>) = 0
[pid 9207] <... set_robust_list resumed>) = 0
[pid 9200] <... openat resumed>) = 3
[pid 9195] <... futex resumed>) = 0
[pid 9192] <... futex resumed>) = 0
[pid 9191] <... futex resumed>) = 0
[pid 9208] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9207] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9200] chdir("./file0" <unfinished ...>
[pid 9195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9192] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9191] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9195] <... mmap resumed>) = 0x7fe4250d7000
[pid 9208] <... mmap resumed>) = 0x20000000
[pid 9208] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9207] <... mmap resumed>) = 0x20000000
[pid 9200] <... chdir resumed>) = 0
[pid 9195] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9200] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9195] <... mprotect resumed>) = 0
[pid 9189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9208] <... futex resumed>) = 1
[pid 9207] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9200] <... ioctl resumed>) = 0
[pid 9195] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9192] <... futex resumed>) = 0
[pid 9189] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9208] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9207] <... futex resumed>) = 1
[pid 9200] close(4 <unfinished ...>
[pid 9191] <... futex resumed>) = 0
[pid 9189] <... futex resumed>) = 0
./strace-static-x86_64: Process 9209 attached
[pid 9207] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9200] <... close resumed>) = 0
[pid 9195] <... clone resumed>, parent_tid=[9209], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9209
[ 227.537338][ T9206] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9195] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] <... mmap resumed>) = 0x7fe4250d7000
[pid 9209] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9195] <... futex resumed>) = 0
[pid 9189] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9209] <... set_robust_list resumed>) = 0
[pid 9200] <... futex resumed>) = 1
[pid 9198] <... futex resumed>) = 0
[pid 9195] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9189] <... mprotect resumed>) = 0
[pid 9209] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9200] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9198] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9198] <... futex resumed>) = 0
[pid 9209] <... mmap resumed>) = 0x20000000
[pid 9200] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9198] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9189] <... clone resumed>, parent_tid=[9210], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9210
[pid 9189] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9209] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9209] <... futex resumed>) = 1
[pid 9200] <... openat resumed>) = 4
[pid 9195] <... futex resumed>) = 0
[pid 9209] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9210 attached
) = 1
[pid 9198] <... futex resumed>) = 0
[pid 9210] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9200] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9198] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9210] <... set_robust_list resumed>) = 0
[pid 9200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9198] <... futex resumed>) = 0
[pid 9196] <... write resumed>) = 282624
[pid 9210] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9200] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9198] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9196] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9210] <... mmap resumed>) = 0x20000000
[pid 9196] <... futex resumed>) = 0
[pid 9210] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9192] exit_group(0 <unfinished ...>
[pid 9210] <... futex resumed>) = 1
[pid 9208] <... futex resumed>) = ?
[pid 9192] <... exit_group resumed>) = ?
[pid 9189] <... futex resumed>) = 0
[pid 9210] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9208] +++ exited with 0 +++
[pid 9196] +++ exited with 0 +++
[pid 9192] +++ exited with 0 +++
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9192, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5072] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./171/binderfs", <unfinished ...>
[pid 9194] <... write resumed>) = 360448
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9197] <... write resumed>) = 200704
[pid 9194] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] unlink("./171/binderfs" <unfinished ...>
[pid 9197] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9195] exit_group(0 <unfinished ...>
[pid 9194] <... futex resumed>) = 0
[pid 9191] exit_group(0 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9209] <... futex resumed>) = ?
[pid 9207] <... futex resumed>) = ?
[pid 9197] <... futex resumed>) = ?
[pid 9195] <... exit_group resumed>) = ?
[pid 9191] <... exit_group resumed>) = ?
[pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9209] +++ exited with 0 +++
[pid 9207] +++ exited with 0 +++
[pid 9197] +++ exited with 0 +++
[pid 9194] +++ exited with 0 +++
[pid 9193] <... write resumed>) = 237568
[pid 9193] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9189] exit_group(0 <unfinished ...>
[pid 9210] <... futex resumed>) = ?
[pid 9193] <... futex resumed>) = ?
[pid 9191] +++ exited with 0 +++
[pid 9189] <... exit_group resumed>) = ?
[pid 9210] +++ exited with 0 +++
[pid 9198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9195] +++ exited with 0 +++
[pid 9193] +++ exited with 0 +++
[pid 9190] <... write resumed>) = 589824
[pid 9189] +++ exited with 0 +++
[pid 9198] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9190] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9195, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9198] <... futex resumed>) = 0
[pid 9190] <... futex resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9191, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9189, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 9198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9190] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9198] <... mmap resumed>) = 0x7fe4250d7000
[pid 9188] exit_group(0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9205] <... futex resumed>) = ?
[pid 9198] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9190] <... futex resumed>) = ?
[pid 9188] <... exit_group resumed>) = ?
[pid 5073] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9205] +++ exited with 0 +++
[pid 9198] <... mprotect resumed>) = 0
[pid 9190] +++ exited with 0 +++
[pid 9188] +++ exited with 0 +++
[pid 5073] <... openat resumed>) = 3
[pid 9198] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9188, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5074] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5075] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9198] <... clone resumed>, parent_tid=[9211], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9211
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9198] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9198] <... futex resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9198] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] lstat("./172/binderfs", <unfinished ...>
[pid 5070] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] unlink("./172/binderfs" <unfinished ...>
[pid 5070] lstat("./169/binderfs", <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9211 attached
[pid 5075] lstat("./173/binderfs", <unfinished ...>
[pid 5074] lstat("./170/binderfs", <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9211] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] unlink("./169/binderfs" <unfinished ...>
[pid 9211] <... set_robust_list resumed>) = 0
[pid 5075] unlink("./173/binderfs" <unfinished ...>
[pid 5074] unlink("./170/binderfs" <unfinished ...>
[pid 9211] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 9211] <... mmap resumed>) = 0x20000000
[pid 9211] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9211] <... futex resumed>) = 1
[pid 9198] <... futex resumed>) = 0
[pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9211] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./171/file0") = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3) = 0
[pid 5072] rmdir("./171") = 0
[pid 5072] mkdir("./172", 0777) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9212
./strace-static-x86_64: Process 9212 attached
[pid 9212] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9212] chdir("./172") = 0
[pid 9212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9212] setpgid(0, 0) = 0
[pid 9212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9212] write(3, "1000", 4) = 4
[pid 9212] close(3) = 0
[pid 9212] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9212] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9212] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9212] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9213], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9213
[pid 9212] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9212] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9213 attached
<unfinished ...>
[pid 9213] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9213] memfd_create("syzkaller", 0) = 3
[pid 9213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5070] <... umount2 resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5070] lstat("./169/file0", <unfinished ...>
[pid 9200] <... write resumed>) = 397312
[pid 5075] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./172/file0", <unfinished ...>
[pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9200] <... futex resumed>) = 0
[pid 9198] exit_group(0 <unfinished ...>
[pid 5075] lstat("./173/file0", <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9211] <... futex resumed>) = ?
[pid 9198] <... exit_group resumed>) = ?
[pid 5075] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9211] +++ exited with 0 +++
[pid 9200] +++ exited with 0 +++
[pid 9198] +++ exited with 0 +++
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./170/file0", <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5070] <... openat resumed>) = 4
[pid 5075] <... openat resumed>) = 4
[pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9198, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5070] fstat(4, <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] close(4 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] rmdir("./172/file0" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5075] rmdir("./173/file0" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] rmdir("./170/file0" <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] rmdir("./172" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] rmdir("./173" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] lstat("./170/binderfs", <unfinished ...>
[pid 5070] rmdir("./169/file0" <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5073] mkdir("./173", 0777 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... close resumed>) = 0
[pid 5071] unlink("./170/binderfs" <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5075] mkdir("./174", 0777 <unfinished ...>
[pid 5074] rmdir("./170" <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9213] <... write resumed>) = 2097152
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9213] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] mkdir("./171", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 9213] <... munmap resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9213] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./169" <unfinished ...>
[pid 9213] <... openat resumed>) = 4
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9213] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] mkdir("./170", 0777 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9215
[pid 5074] <... close resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9216
[pid 5070] <... openat resumed>) = 3
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9217
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9218
./strace-static-x86_64: Process 9216 attached
[pid 9216] set_robust_list(0x555556a0d5e0, 24) = 0
./strace-static-x86_64: Process 9217 attached
./strace-static-x86_64: Process 9215 attached
[pid 9216] chdir("./173"./strace-static-x86_64: Process 9218 attached
) = 0
[pid 9218] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9217] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9216] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9215] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9218] <... set_robust_list resumed>) = 0
[pid 9216] <... prctl resumed>) = 0
[pid 9218] chdir("./170" <unfinished ...>
[pid 9217] <... set_robust_list resumed>) = 0
[pid 9216] setpgid(0, 0 <unfinished ...>
[pid 9215] <... set_robust_list resumed>) = 0
[pid 9213] <... ioctl resumed>) = 0
[pid 9218] <... chdir resumed>) = 0
[pid 9216] <... setpgid resumed>) = 0
[pid 9213] close(3 <unfinished ...>
[pid 9218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9217] chdir("./171" <unfinished ...>
[pid 9216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9215] chdir("./174" <unfinished ...>
[pid 9213] <... close resumed>) = 0
[pid 9218] <... prctl resumed>) = 0
[pid 9216] <... openat resumed>) = 3
[pid 9213] mkdir("./file0", 0777 <unfinished ...>
[pid 9215] <... chdir resumed>) = 0
[pid 9217] <... chdir resumed>) = 0
[pid 9218] setpgid(0, 0 <unfinished ...>
[pid 9216] write(3, "1000", 4 <unfinished ...>
[pid 9215] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9213] <... mkdir resumed>) = 0
[pid 9218] <... setpgid resumed>) = 0
[pid 9217] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9216] <... write resumed>) = 4
[pid 9215] <... prctl resumed>) = 0
[pid 9213] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9217] <... prctl resumed>) = 0
[pid 9216] close(3 <unfinished ...>
[pid 9215] setpgid(0, 0 <unfinished ...>
[pid 9218] <... openat resumed>) = 3
[pid 9217] setpgid(0, 0 <unfinished ...>
[pid 9216] <... close resumed>) = 0
[pid 9215] <... setpgid resumed>) = 0
[pid 9218] write(3, "1000", 4 <unfinished ...>
[pid 9217] <... setpgid resumed>) = 0
[pid 9216] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9218] <... write resumed>) = 4
[pid 9217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9216] <... symlink resumed>) = 0
[pid 9218] close(3 <unfinished ...>
[pid 9217] <... openat resumed>) = 3
[pid 9216] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... openat resumed>) = 3
[pid 9218] <... close resumed>) = 0
[pid 9217] write(3, "1000", 4 <unfinished ...>
[pid 9216] <... futex resumed>) = 0
[pid 9215] write(3, "1000", 4 <unfinished ...>
[pid 9218] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9217] <... write resumed>) = 4
[pid 9216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9215] <... write resumed>) = 4
[pid 9218] <... symlink resumed>) = 0
[pid 9217] close(3 <unfinished ...>
[pid 9216] <... mmap resumed>) = 0x7fe42d2f8000
[ 228.013651][ T9213] loop2: detected capacity change from 0 to 4096
[pid 9215] close(3 <unfinished ...>
[pid 9218] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] <... close resumed>) = 0
[pid 9216] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9215] <... close resumed>) = 0
[pid 9218] <... futex resumed>) = 0
[pid 9217] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9216] <... mprotect resumed>) = 0
[pid 9215] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9216] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9218] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9217] <... symlink resumed>) = 0
[pid 9215] <... symlink resumed>) = 0
[pid 9218] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9217] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9216] <... clone resumed>, parent_tid=[9219], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9219
[pid 9215] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9218] <... mprotect resumed>) = 0
[pid 9217] <... futex resumed>) = 0
[pid 9216] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... futex resumed>) = 0
[pid 9218] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9216] <... futex resumed>) = 0
[pid 9215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9217] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9216] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9215] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9218] <... clone resumed>, parent_tid=[9220], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9220
[pid 9217] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9215] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9218] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9219 attached
[pid 9218] <... futex resumed>) = 0
[pid 9217] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9215] <... mprotect resumed>) = 0
[pid 9219] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9218] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9215] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9219] <... set_robust_list resumed>) = 0
[pid 9217] <... clone resumed>, parent_tid=[9221], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9221
[pid 9219] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9217] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... clone resumed>, parent_tid=[9222], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9222
[pid 9219] <... memfd_create resumed>) = 3
[pid 9217] <... futex resumed>) = 0
[pid 9215] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9217] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9215] <... futex resumed>) = 0
./strace-static-x86_64: Process 9222 attached
[pid 9219] <... mmap resumed>) = 0x7fe424ef8000
[pid 9215] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 9221 attached
./strace-static-x86_64: Process 9220 attached
[pid 9222] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9222] <... set_robust_list resumed>) = 0
[pid 9221] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9220] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9222] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9221] <... set_robust_list resumed>) = 0
[pid 9220] <... set_robust_list resumed>) = 0
[pid 9222] <... memfd_create resumed>) = 3
[pid 9221] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9220] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9221] <... memfd_create resumed>) = 3
[pid 9222] <... mmap resumed>) = 0x7fe424ef8000
[pid 9220] <... memfd_create resumed>) = 3
[pid 5071] lstat("./170/file0", <unfinished ...>
[pid 9221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9221] <... mmap resumed>) = 0x7fe424ef8000
[pid 9220] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 228.061235][ T9213] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 228.100122][ T9213] NILFS (loop2): trying rollback from an earlier position
[pid 5071] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./170/file0") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./170") = 0
[pid 5071] mkdir("./171", 0777) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3 <unfinished ...>
[pid 9219] <... write resumed>) = 2097152
[pid 9213] <... mount resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9219] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9219] <... munmap resumed>) = 0
[pid 9213] <... openat resumed>) = 3
[pid 9219] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9213] chdir("./file0" <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9224
./strace-static-x86_64: Process 9224 attached
[pid 9222] <... write resumed>) = 2097152
[pid 9219] <... openat resumed>) = 4
[pid 9213] <... chdir resumed>) = 0
[pid 9224] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9222] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9219] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 228.164899][ T9213] NILFS (loop2): recovery complete
[ 228.182296][ T9223] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9213] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9224] <... set_robust_list resumed>) = 0
[pid 9219] <... ioctl resumed>) = 0
[pid 9213] <... ioctl resumed>) = 0
[pid 9222] <... munmap resumed>) = 0
[pid 9213] close(4 <unfinished ...>
[pid 9224] chdir("./171" <unfinished ...>
[pid 9222] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9221] <... write resumed>) = 2097152
[pid 9220] <... write resumed>) = 2097152
[pid 9219] close(3 <unfinished ...>
[pid 9213] <... close resumed>) = 0
[pid 9224] <... chdir resumed>) = 0
[pid 9222] <... openat resumed>) = 4
[pid 9221] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9220] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9219] <... close resumed>) = 0
[pid 9213] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9224] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9222] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9221] <... munmap resumed>) = 0
[pid 9220] <... munmap resumed>) = 0
[pid 9219] mkdir("./file0", 0777 <unfinished ...>
[pid 9213] <... futex resumed>) = 1
[pid 9224] <... prctl resumed>) = 0
[pid 9221] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9220] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9219] <... mkdir resumed>) = 0
[pid 9213] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9212] <... futex resumed>) = 0
[pid 9224] setpgid(0, 0 <unfinished ...>
[pid 9222] <... ioctl resumed>) = 0
[pid 9221] <... openat resumed>) = 4
[pid 9220] <... openat resumed>) = 4
[pid 9219] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9212] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9224] <... setpgid resumed>) = 0
[pid 9222] close(3 <unfinished ...>
[pid 9221] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9220] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9212] <... futex resumed>) = 1
[pid 9212] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9213] <... futex resumed>) = 0
[pid 9213] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9222] <... close resumed>) = 0
[ 228.219617][ T9219] loop3: detected capacity change from 0 to 4096
[ 228.241315][ T9222] loop5: detected capacity change from 0 to 4096
[ 228.259520][ T9219] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9224] write(3, "1000", 4 <unfinished ...>
[pid 9222] mkdir("./file0", 0777) = 0
[pid 9222] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9224] <... write resumed>) = 4
[pid 9213] <... openat resumed>) = 4
[pid 9213] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9224] close(3 <unfinished ...>
[pid 9221] <... ioctl resumed>) = 0
[pid 9220] <... ioctl resumed>) = 0
[pid 9213] <... futex resumed>) = 1
[pid 9212] <... futex resumed>) = 0
[pid 9213] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9212] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9212] <... futex resumed>) = 0
[pid 9213] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9212] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9224] <... close resumed>) = 0
[pid 9221] close(3 <unfinished ...>
[pid 9220] close(3 <unfinished ...>
[pid 9224] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9221] <... close resumed>) = 0
[pid 9220] <... close resumed>) = 0
[ 228.270304][ T9220] loop0: detected capacity change from 0 to 4096
[ 228.277637][ T9221] loop4: detected capacity change from 0 to 4096
[ 228.284840][ T9219] NILFS (loop3): trying rollback from an earlier position
[ 228.298363][ T9222] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 228.307256][ T9222] NILFS (loop5): trying rollback from an earlier position
[pid 9224] <... symlink resumed>) = 0
[pid 9221] mkdir("./file0", 0777 <unfinished ...>
[pid 9220] mkdir("./file0", 0777 <unfinished ...>
[pid 9224] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9221] <... mkdir resumed>) = 0
[pid 9220] <... mkdir resumed>) = 0
[pid 9224] <... futex resumed>) = 0
[pid 9221] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9220] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9224] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9224] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9224] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9226], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9226
[pid 9224] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9224] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9219] <... mount resumed>) = 0
[pid 9219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9219] <... openat resumed>) = 3
[pid 9212] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9219] chdir("./file0" <unfinished ...>
[pid 9212] <... futex resumed>) = 0
[pid 9219] <... chdir resumed>) = 0
[ 228.316964][ T9219] NILFS (loop3): recovery complete
[ 228.339953][ T9222] NILFS (loop5): recovery complete
[ 228.340771][ T9225] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 228.359612][ T9221] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9219] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9212] <... mmap resumed>) = 0x7fe4250d7000
[pid 9219] <... ioctl resumed>) = 0
[pid 9212] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9219] close(4 <unfinished ...>
[pid 9212] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9226 attached
[pid 9222] <... mount resumed>) = 0
[pid 9219] <... close resumed>) = 0
[pid 9212] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9219] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9212] <... clone resumed>, parent_tid=[9228], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9228
[pid 9219] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9212] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9212] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9228 attached
<unfinished ...>
[pid 9228] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9228] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9226] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9216] <... futex resumed>) = 0
[pid 9228] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9212] <... futex resumed>) = 0
[pid 9228] <... futex resumed>) = 1
[pid 9228] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9226] <... set_robust_list resumed>) = 0
[pid 9222] <... openat resumed>) = 3
[pid 9216] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9226] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9219] <... futex resumed>) = 0
[pid 9216] <... futex resumed>) = 1
[pid 9222] chdir("./file0" <unfinished ...>
[pid 9219] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9222] <... chdir resumed>) = 0
[pid 9216] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9226] <... memfd_create resumed>) = 3
[pid 9226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9222] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9226] <... mmap resumed>) = 0x7fe424ef8000
[pid 9222] <... ioctl resumed>) = 0
[pid 9222] close(4) = 0
[pid 9219] <... openat resumed>) = 4
[pid 9219] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9222] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9219] <... futex resumed>) = 1
[pid 9216] <... futex resumed>) = 0
[pid 9219] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9222] <... futex resumed>) = 1
[pid 9216] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... futex resumed>) = 0
[pid 9222] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9219] <... futex resumed>) = 0
[pid 9216] <... futex resumed>) = 1
[pid 9215] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 228.370563][ T9220] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 228.379555][ T9221] NILFS (loop4): trying rollback from an earlier position
[ 228.388705][ T9227] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 228.399531][ T9220] NILFS (loop0): trying rollback from an earlier position
[pid 9219] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9216] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9215] <... futex resumed>) = 0
[pid 9222] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9215] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9222] <... openat resumed>) = 4
[pid 9222] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9215] <... futex resumed>) = 0
[pid 9222] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9215] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9215] <... futex resumed>) = 0
[pid 9215] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9222] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9213] <... write resumed>) = 245760
[pid 9213] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9212] exit_group(0 <unfinished ...>
[pid 9228] <... futex resumed>) = ?
[pid 9212] <... exit_group resumed>) = ?
[pid 9228] +++ exited with 0 +++
[pid 9213] +++ exited with 0 +++
[pid 9212] +++ exited with 0 +++
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9212, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[ 228.478085][ T9221] NILFS (loop4): recovery complete
[pid 5072] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... openat resumed>) = 3
[pid 9216] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 9216] <... futex resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9220] <... mount resumed>) = 0
[pid 9216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9220] <... openat resumed>) = 3
[pid 5072] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9220] chdir("./file0" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9220] <... chdir resumed>) = 0
[pid 5072] lstat("./172/binderfs", <unfinished ...>
[pid 9220] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9220] <... ioctl resumed>) = 0
[pid 5072] unlink("./172/binderfs" <unfinished ...>
[pid 9220] close(4 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9221] <... mount resumed>) = 0
[pid 9220] <... close resumed>) = 0
[pid 9216] <... mmap resumed>) = 0x7fe4250d7000
[pid 9215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9220] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9216] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9215] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9220] <... futex resumed>) = 1
[pid 9220] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9221] <... openat resumed>) = 3
[pid 9218] <... futex resumed>) = 0
[pid 9216] <... mprotect resumed>) = 0
[pid 9215] <... futex resumed>) = 0
[pid 9221] chdir("./file0" <unfinished ...>
[pid 9218] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9216] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9220] <... futex resumed>) = 0
[pid 9218] <... futex resumed>) = 1
[pid 9220] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9221] <... chdir resumed>) = 0
[pid 9218] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9215] <... mmap resumed>) = 0x7fe4250d7000
[pid 9221] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9216] <... clone resumed>, parent_tid=[9233], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9233
[pid 9215] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9233 attached
<unfinished ...>
[pid 9221] <... ioctl resumed>) = 0
[pid 9216] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... mprotect resumed>) = 0
[pid 9233] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9221] close(4 <unfinished ...>
[pid 9216] <... futex resumed>) = 0
[pid 9215] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9221] <... close resumed>) = 0
[pid 9216] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9221] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9215] <... clone resumed>, parent_tid=[9234], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9234
[pid 9221] <... futex resumed>) = 1
[pid 9217] <... futex resumed>) = 0
[pid 9221] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9217] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 228.501670][ T9220] NILFS (loop0): recovery complete
[ 228.517192][ T9231] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 228.519068][ T9230] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9215] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9234 attached
<unfinished ...>
[pid 9221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9233] <... set_robust_list resumed>) = 0
[pid 9226] <... write resumed>) = 2097152
[pid 9217] <... futex resumed>) = 0
[pid 9215] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9217] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9221] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9234] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9233] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9226] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9215] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9234] <... set_robust_list resumed>) = 0
[pid 9218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9226] <... munmap resumed>) = 0
[pid 9218] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9234] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9218] <... futex resumed>) = 0
[pid 9234] <... mmap resumed>) = 0x20000000
[pid 9218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9226] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9220] <... openat resumed>) = 4
[pid 9218] <... mmap resumed>) = 0x7fe4250d7000
[pid 9220] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9220] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9218] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9226] <... openat resumed>) = 4
[pid 9221] <... openat resumed>) = 4
[pid 9234] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9233] <... mmap resumed>) = 0x20000000
[pid 9226] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9221] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9218] <... mprotect resumed>) = 0
[pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9234] <... futex resumed>) = 1
[pid 9233] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9226] <... ioctl resumed>) = 0
[pid 9221] <... futex resumed>) = 1
[pid 9218] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9217] <... futex resumed>) = 0
[pid 9216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9215] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9234] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9233] <... futex resumed>) = 0
[pid 9226] close(3 <unfinished ...>
[pid 9221] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9217] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] lstat("./172/file0", <unfinished ...>
[pid 9233] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9226] <... close resumed>) = 0
[pid 9221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9218] <... clone resumed>, parent_tid=[9235], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9235
[pid 9217] <... futex resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9226] mkdir("./file0", 0777 <unfinished ...>
[pid 9221] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9218] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9235 attached
<unfinished ...>
[pid 9226] <... mkdir resumed>) = 0
[pid 9218] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9235] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9226] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9218] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9235] <... set_robust_list resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 9235] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[ 228.628280][ T9226] loop1: detected capacity change from 0 to 4096
[pid 5072] close(4) = 0
[pid 5072] rmdir("./172/file0") = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3 <unfinished ...>
[pid 9222] <... write resumed>) = 294912
[pid 9217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... close resumed>) = 0
[pid 9222] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9219] <... write resumed>) = 270336
[pid 9217] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] rmdir("./172" <unfinished ...>
[pid 9222] <... futex resumed>) = 0
[pid 9219] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] <... futex resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9222] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9219] <... futex resumed>) = 0
[pid 9217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9216] exit_group(0 <unfinished ...>
[pid 9215] exit_group(0 <unfinished ...>
[pid 5072] mkdir("./173", 0777 <unfinished ...>
[pid 9234] <... futex resumed>) = ?
[pid 9233] <... futex resumed>) = ?
[pid 9222] <... futex resumed>) = ?
[pid 9218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9217] <... mmap resumed>) = 0x7fe4250d7000
[pid 9216] <... exit_group resumed>) = ?
[pid 9215] <... exit_group resumed>) = ?
[pid 5072] <... mkdir resumed>) = 0
[pid 9234] +++ exited with 0 +++
[pid 9233] +++ exited with 0 +++
[pid 9222] +++ exited with 0 +++
[pid 9219] +++ exited with 0 +++
[pid 9218] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9216] +++ exited with 0 +++
[pid 9215] +++ exited with 0 +++
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9220] <... futex resumed>) = 0
[pid 9218] <... futex resumed>) = 1
[pid 9217] <... mprotect resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9220] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 228.690516][ T9226] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 9218] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9217] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9215, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9216, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9220] <... mmap resumed>) = 0x20000000
[pid 5075] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9220] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9217] <... clone resumed>, parent_tid=[9236], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9236
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 9220] <... futex resumed>) = 1
[pid 9218] <... futex resumed>) = 0
[pid 9217] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9220] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9217] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9217] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9237
./strace-static-x86_64: Process 9236 attached
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9236] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
./strace-static-x86_64: Process 9237 attached
[pid 9236] <... set_robust_list resumed>) = 0
[pid 5075] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9237] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9236] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9237] <... set_robust_list resumed>) = 0
[pid 9236] <... mmap resumed>) = 0x20000000
[pid 5075] lstat("./174/binderfs", <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9237] chdir("./173" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9237] <... chdir resumed>) = 0
[pid 9236] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] unlink("./174/binderfs" <unfinished ...>
[pid 5073] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9237] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9236] <... futex resumed>) = 1
[pid 9217] <... futex resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9237] <... prctl resumed>) = 0
[pid 9236] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9235] <... write resumed>) = 311296
[pid 5075] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] lstat("./173/binderfs", <unfinished ...>
[pid 9237] setpgid(0, 0 <unfinished ...>
[pid 9235] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9218] exit_group(0 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9237] <... setpgid resumed>) = 0
[pid 9218] <... exit_group resumed>) = ?
[pid 5073] unlink("./173/binderfs" <unfinished ...>
[ 228.742537][ T9226] NILFS (loop1): trying rollback from an earlier position
[pid 9237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9237] <... openat resumed>) = 3
[pid 9235] <... futex resumed>) = ?
[pid 9220] <... futex resumed>) = ?
[pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9237] write(3, "1000", 4 <unfinished ...>
[pid 9235] +++ exited with 0 +++
[pid 9237] <... write resumed>) = 4
[pid 9237] close(3) = 0
[pid 9237] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9237] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9220] +++ exited with 0 +++
[pid 9218] +++ exited with 0 +++
[pid 9237] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9237] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9218, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9237] <... mprotect resumed>) = 0
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9237] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9237] <... clone resumed>, parent_tid=[9238], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9238
[pid 9237] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9237] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9237] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9238 attached
[pid 5070] getdents64(3, <unfinished ...>
[pid 9238] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9238] <... set_robust_list resumed>) = 0
[pid 5070] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9238] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9238] <... memfd_create resumed>) = 3
[pid 5070] lstat("./170/binderfs", <unfinished ...>
[pid 9238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9238] <... mmap resumed>) = 0x7fe424ef8000
[pid 5070] unlink("./170/binderfs") = 0
[ 228.818168][ T9226] NILFS (loop1): recovery complete
[pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9221] <... write resumed>) = 212992
[pid 9221] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9217] exit_group(0 <unfinished ...>
[pid 9236] <... futex resumed>) = ?
[pid 9217] <... exit_group resumed>) = ?
[pid 9236] +++ exited with 0 +++
[pid 9221] +++ exited with 0 +++
[pid 9217] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9217, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5074] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./171/binderfs" <unfinished ...>
[pid 9238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9226] <... mount resumed>) = 0
[pid 9226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9226] chdir("./file0") = 0
[pid 9226] ioctl(4, LOOP_CLR_FD) = 0
[pid 9226] close(4) = 0
[pid 9226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9224] <... futex resumed>) = 0
[pid 9226] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9224] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9224] <... futex resumed>) = 0
[pid 9226] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9224] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] lstat("./173/file0", <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5075] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] lstat("./174/file0", <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... openat resumed>) = 4
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... close resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] rmdir("./173/file0" <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[ 228.891425][ T9239] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] close(3 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] rmdir("./173" <unfinished ...>
[pid 9226] <... openat resumed>) = 4
[pid 5075] rmdir("./174/file0" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] lstat("./170/file0", <unfinished ...>
[pid 9238] <... write resumed>) = 2097152
[pid 9226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9224] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] mkdir("./174", 0777 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9226] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9224] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9224] <... futex resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9226] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9224] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... close resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] rmdir("./174" <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5075] mkdir("./175", 0777 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9240
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9238] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5070] close(4./strace-static-x86_64: Process 9240 attached
<unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9240] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9238] <... munmap resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] rmdir("./170/file0" <unfinished ...>
[pid 9240] <... set_robust_list resumed>) = 0
[pid 9238] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9240] chdir("./174" <unfinished ...>
[pid 9238] <... openat resumed>) = 4
[pid 9240] <... chdir resumed>) = 0
[pid 9238] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9241
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9240] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9240] <... prctl resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9240] setpgid(0, 0./strace-static-x86_64: Process 9241 attached
) = 0
[pid 5070] <... close resumed>) = 0
[pid 9241] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5070] rmdir("./170" <unfinished ...>
[pid 9241] <... set_robust_list resumed>) = 0
[pid 9240] <... openat resumed>) = 3
[pid 9240] write(3, "1000", 4 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9241] chdir("./175" <unfinished ...>
[pid 9240] <... write resumed>) = 4
[pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] mkdir("./171", 0777 <unfinished ...>
[pid 9241] <... chdir resumed>) = 0
[pid 9240] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9241] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9240] <... close resumed>) = 0
[pid 5074] lstat("./171/file0", <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9241] <... prctl resumed>) = 0
[pid 9240] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9241] setpgid(0, 0 <unfinished ...>
[pid 9240] <... symlink resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9241] <... setpgid resumed>) = 0
[pid 9240] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9240] <... futex resumed>) = 0
[pid 9224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9241] <... openat resumed>) = 3
[pid 9240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9238] <... ioctl resumed>) = 0
[pid 9224] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9241] write(3, "1000", 4 <unfinished ...>
[pid 9240] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9238] close(3 <unfinished ...>
[pid 9224] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9241] <... write resumed>) = 4
[pid 9240] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9238] <... close resumed>) = 0
[pid 9224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5070] close(3 <unfinished ...>
[pid 9241] close(3 <unfinished ...>
[pid 9240] <... mprotect resumed>) = 0
[pid 9238] mkdir("./file0", 0777 <unfinished ...>
[pid 9224] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] fstat(4, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9241] <... close resumed>) = 0
[pid 9240] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9238] <... mkdir resumed>) = 0
[pid 9224] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9241] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9238] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9224] <... mprotect resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 9241] <... symlink resumed>) = 0
[pid 9240] <... clone resumed>, parent_tid=[9242], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9242
[pid 9224] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9241] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9240] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9243
[pid 9241] <... futex resumed>) = 0
[pid 9240] <... futex resumed>) = 0
[pid 9224] <... clone resumed>, parent_tid=[9244], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9244
[pid 5074] getdents64(4, ./strace-static-x86_64: Process 9243 attached
<unfinished ...>
[pid 9241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9240] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9224] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[ 229.006139][ T9238] loop2: detected capacity change from 0 to 4096
./strace-static-x86_64: Process 9242 attached
[pid 9241] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9224] <... futex resumed>) = 0
[pid 5074] close(4./strace-static-x86_64: Process 9244 attached
<unfinished ...>
[pid 9243] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9242] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9241] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9224] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9244] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9243] <... set_robust_list resumed>) = 0
[pid 9242] <... set_robust_list resumed>) = 0
[pid 9241] <... mprotect resumed>) = 0
[pid 5074] rmdir("./171/file0" <unfinished ...>
[pid 9244] <... set_robust_list resumed>) = 0
[pid 9243] chdir("./171" <unfinished ...>
[pid 9242] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9241] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9244] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9243] <... chdir resumed>) = 0
[pid 9242] <... memfd_create resumed>) = 3
[pid 5074] getdents64(3, ./strace-static-x86_64: Process 9245 attached
<unfinished ...>
[pid 9244] <... mmap resumed>) = 0x20000000
[pid 9243] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9241] <... clone resumed>, parent_tid=[9245], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9245
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9245] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9243] <... prctl resumed>) = 0
[pid 9241] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9245] <... set_robust_list resumed>) = 0
[pid 9243] setpgid(0, 0 <unfinished ...>
[pid 9241] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9245] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9243] <... setpgid resumed>) = 0
[pid 9241] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] rmdir("./171" <unfinished ...>
[pid 9245] <... memfd_create resumed>) = 3
[pid 9243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9243] <... openat resumed>) = 3
[pid 5074] mkdir("./172", 0777 <unfinished ...>
[pid 9245] <... mmap resumed>) = 0x7fe424ef8000
[pid 9243] write(3, "1000", 4 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9244] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9243] <... write resumed>) = 4
[pid 9242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9243] close(3 <unfinished ...>
[pid 9242] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... openat resumed>) = 3
[pid 9224] <... futex resumed>) = 0
[pid 9244] <... futex resumed>) = 1
[pid 9243] <... close resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9243] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9243] <... symlink resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9244] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 229.076967][ T9238] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 229.085033][ T9238] NILFS (loop2): trying rollback from an earlier position
[ 229.100609][ T9238] NILFS (loop2): recovery complete
[pid 9243] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9243] <... futex resumed>) = 0
[pid 9238] <... mount resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9247
[pid 9243] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9243] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9238] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9243] <... clone resumed>, parent_tid=[9248], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9248
[pid 9243] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9247 attached
) = 0
[pid 9238] <... openat resumed>) = 3
[pid 9247] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9243] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9247] <... set_robust_list resumed>) = 0
[pid 9238] chdir("./file0"./strace-static-x86_64: Process 9248 attached
<unfinished ...>
[pid 9247] chdir("./172" <unfinished ...>
[pid 9238] <... chdir resumed>) = 0
[pid 9248] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9247] <... chdir resumed>) = 0
[pid 9242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9238] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9247] setpgid(0, 0) = 0
[pid 9247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9247] write(3, "1000", 4 <unfinished ...>
[pid 9248] <... set_robust_list resumed>) = 0
[pid 9238] <... ioctl resumed>) = 0
[pid 9247] <... write resumed>) = 4
[pid 9247] close(3) = 0
[pid 9247] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9248] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9247] <... symlink resumed>) = 0
[pid 9238] close(4 <unfinished ...>
[pid 9247] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9248] <... memfd_create resumed>) = 3
[pid 9247] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9238] <... close resumed>) = 0
[pid 9248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9247] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9242] <... write resumed>) = 2097152
[pid 9238] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9248] <... mmap resumed>) = 0x7fe424ef8000
[pid 9247] <... mprotect resumed>) = 0
[pid 9247] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9242] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9247] <... clone resumed>, parent_tid=[9249], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9249
[pid 9238] <... futex resumed>) = 1
[pid 9237] <... futex resumed>) = 0
[pid 9247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9242] <... munmap resumed>) = 0
[pid 9238] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9237] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9247] <... futex resumed>) = 0
[pid 9247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9249 attached
<unfinished ...>
[ 229.128846][ T9246] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9249] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9242] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9237] <... futex resumed>) = 0
[pid 9249] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9242] <... openat resumed>) = 4
[pid 9237] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9249] <... memfd_create resumed>) = 3
[pid 9248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9245] <... write resumed>) = 2097152
[pid 9242] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9238] <... openat resumed>) = 4
[pid 9249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9245] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9242] <... ioctl resumed>) = 0
[pid 9238] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9226] <... write resumed>) = 417792
[pid 9249] <... mmap resumed>) = 0x7fe424ef8000
[pid 9245] <... munmap resumed>) = 0
[pid 9242] close(3 <unfinished ...>
[pid 9238] <... futex resumed>) = 1
[pid 9237] <... futex resumed>) = 0
[pid 9226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9245] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9242] <... close resumed>) = 0
[pid 9238] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9237] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9226] <... futex resumed>) = 0
[pid 9245] <... openat resumed>) = 4
[pid 9242] mkdir("./file0", 0777 <unfinished ...>
[pid 9238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9237] <... futex resumed>) = 0
[pid 9226] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9224] exit_group(0 <unfinished ...>
[pid 9245] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9244] <... futex resumed>) = ?
[pid 9242] <... mkdir resumed>) = 0
[pid 9238] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9237] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9226] <... futex resumed>) = ?
[pid 9224] <... exit_group resumed>) = ?
[pid 9249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9248] <... write resumed>) = 2097152
[pid 9226] +++ exited with 0 +++
[pid 9248] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9244] +++ exited with 0 +++
[pid 9248] <... munmap resumed>) = 0
[pid 9248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 9224] +++ exited with 0 +++
[pid 9248] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9242] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 9245] <... ioctl resumed>) = 0
[pid 9245] close(3 <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9245] <... close resumed>) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9248] <... ioctl resumed>) = 0
[pid 9248] close(3) = 0
[ 229.217776][ T9242] loop3: detected capacity change from 0 to 4096
[ 229.241823][ T9245] loop5: detected capacity change from 0 to 4096
[ 229.259164][ T9248] loop0: detected capacity change from 0 to 4096
[pid 9248] mkdir("./file0", 0777 <unfinished ...>
[pid 9245] mkdir("./file0", 0777 <unfinished ...>
[pid 9248] <... mkdir resumed>) = 0
[pid 9248] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9245] <... mkdir resumed>) = 0
[pid 9245] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 9249] <... write resumed>) = 2097152
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9237] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5071] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 229.274585][ T9242] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 229.293605][ T9245] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 229.310195][ T9248] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9237] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] lstat("./171/binderfs", <unfinished ...>
[pid 9237] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9237] <... mprotect resumed>) = 0
[pid 5071] unlink("./171/binderfs" <unfinished ...>
[pid 9249] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9237] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9249] <... munmap resumed>) = 0
[pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9237] <... clone resumed>, parent_tid=[9250], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9250
[pid 9249] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9237] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9249] <... openat resumed>) = 4
[pid 9249] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9237] <... futex resumed>) = 0
./strace-static-x86_64: Process 9250 attached
[pid 9237] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9250] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9250] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9250] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9237] <... futex resumed>) = 0
[ 229.316553][ T9242] NILFS (loop3): trying rollback from an earlier position
[ 229.325751][ T9245] NILFS (loop5): trying rollback from an earlier position
[ 229.340803][ T9249] loop4: detected capacity change from 0 to 4096
[pid 9250] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9249] <... ioctl resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 9249] close(3) = 0
[pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9249] mkdir("./file0", 0777) = 0
[pid 9242] <... mount resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9249] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 229.370208][ T9248] NILFS (loop0): trying rollback from an earlier position
[ 229.386908][ T9242] NILFS (loop3): recovery complete
[ 229.392765][ T9245] NILFS (loop5): recovery complete
[ 229.404567][ T9251] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9242] chdir("./file0") = 0
[pid 9242] ioctl(4, LOOP_CLR_FD) = 0
[pid 9242] close(4 <unfinished ...>
[pid 9248] <... mount resumed>) = 0
[pid 9245] <... mount resumed>) = 0
[pid 9242] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 9242] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9242] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9240] <... futex resumed>) = 0
[pid 9248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9240] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9248] <... openat resumed>) = 3
[pid 9245] <... openat resumed>) = 3
[pid 9242] <... futex resumed>) = 0
[pid 9240] <... futex resumed>) = 1
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9248] chdir("./file0" <unfinished ...>
[pid 9245] chdir("./file0" <unfinished ...>
[pid 9242] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9240] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9248] <... chdir resumed>) = 0
[pid 9245] <... chdir resumed>) = 0
[pid 9242] <... openat resumed>) = 4
[ 229.422758][ T9249] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 229.431982][ T9248] NILFS (loop0): recovery complete
[ 229.440365][ T9252] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 229.441723][ T9253] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 229.458385][ T9249] NILFS (loop4): trying rollback from an earlier position
[pid 9248] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9245] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9242] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9248] <... ioctl resumed>) = 0
[pid 9245] <... ioctl resumed>) = 0
[pid 9242] <... futex resumed>) = 1
[pid 9240] <... futex resumed>) = 0
[pid 9238] <... write resumed>) = 311296
[pid 9248] close(4 <unfinished ...>
[pid 9245] close(4 <unfinished ...>
[pid 9242] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9240] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9238] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9245] <... close resumed>) = 0
[pid 9242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9240] <... futex resumed>) = 0
[pid 9238] <... futex resumed>) = 0
[pid 9242] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9240] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9238] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9248] <... close resumed>) = 0
[pid 9245] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9248] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9245] <... futex resumed>) = 1
[pid 9241] <... futex resumed>) = 0
[pid 9237] exit_group(0 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9250] <... futex resumed>) = ?
[pid 9248] <... futex resumed>) = 1
[pid 9245] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9243] <... futex resumed>) = 0
[pid 9241] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9238] <... futex resumed>) = ?
[pid 9237] <... exit_group resumed>) = ?
[pid 5071] <... close resumed>) = 0
[pid 9250] +++ exited with 0 +++
[pid 9248] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9243] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9241] <... futex resumed>) = 0
[pid 9238] +++ exited with 0 +++
[pid 5071] rmdir("./171/file0" <unfinished ...>
[pid 9243] <... futex resumed>) = 0
[pid 9241] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9237] +++ exited with 0 +++
[ 229.489832][ T9249] NILFS (loop4): recovery complete
[pid 9249] <... mount resumed>) = 0
[pid 9245] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9243] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9248] <... openat resumed>) = 4
[pid 9249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9237, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5071] getdents64(3, <unfinished ...>
[pid 9249] <... openat resumed>) = 3
[pid 9248] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9245] <... openat resumed>) = 4
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9249] chdir("./file0") = 0
[pid 9249] ioctl(4, LOOP_CLR_FD) = 0
[pid 9248] <... futex resumed>) = 1
[pid 9245] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9243] <... futex resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9249] close(4 <unfinished ...>
[pid 9243] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9249] <... close resumed>) = 0
[pid 9243] <... futex resumed>) = 0
[pid 9249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9248] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9245] <... futex resumed>) = 1
[pid 9243] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9241] <... futex resumed>) = 0
[pid 5072] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9249] <... futex resumed>) = 1
[pid 9247] <... futex resumed>) = 0
[pid 9249] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9247] <... futex resumed>) = 0
[pid 9249] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9241] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9245] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9241] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] rmdir("./171" <unfinished ...>
[pid 9241] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9240] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... rmdir resumed>) = 0
[pid 9240] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9240] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] mkdir("./172", 0777 <unfinished ...>
[pid 9240] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9240] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9240] <... clone resumed>, parent_tid=[9255], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9255
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9240] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] lstat("./173/binderfs", <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9249] <... openat resumed>) = 4
[pid 9240] <... futex resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9240] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] unlink("./173/binderfs" <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9249] <... futex resumed>) = 1
[pid 9247] <... futex resumed>) = 0
./strace-static-x86_64: Process 9255 attached
[pid 9249] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9255] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9247] <... futex resumed>) = 0
[pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9255] <... set_robust_list resumed>) = 0
[ 229.513494][ T9254] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9249] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9255] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9255] <... mmap resumed>) = 0x20000000
[pid 9255] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9240] <... futex resumed>) = 0
[pid 9255] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9256
[pid 9243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9256 attached
[pid 9243] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9243] <... futex resumed>) = 0
[pid 9256] <... set_robust_list resumed>) = 0
[pid 9243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9256] chdir("./172" <unfinished ...>
[pid 9243] <... mmap resumed>) = 0x7fe4250d7000
[pid 9256] <... chdir resumed>) = 0
[pid 9243] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9256] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9243] <... mprotect resumed>) = 0
[pid 9256] <... prctl resumed>) = 0
[pid 9243] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9256] setpgid(0, 0 <unfinished ...>
[pid 9241] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] <... setpgid resumed>) = 0
[pid 9243] <... clone resumed>, parent_tid=[9257], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9257
[pid 9241] <... futex resumed>) = 0
[pid 9256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9243] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9257 attached
<unfinished ...>
[pid 9256] <... openat resumed>) = 3
[pid 9243] <... futex resumed>) = 0
[pid 9257] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9256] write(3, "1000", 4 <unfinished ...>
[pid 9243] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9241] <... mmap resumed>) = 0x7fe4250d7000
[pid 9256] <... write resumed>) = 4
[pid 9241] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9256] close(3) = 0
[pid 9241] <... mprotect resumed>) = 0
[pid 9256] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9257] <... set_robust_list resumed>) = 0
[pid 9256] <... symlink resumed>) = 0
[pid 9247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9241] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9257] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9256] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9247] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] <... futex resumed>) = 0
[pid 9247] <... futex resumed>) = 0
[pid 9256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9257] <... mmap resumed>) = 0x20000000
[pid 9256] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9247] <... mmap resumed>) = 0x7fe4250d7000
[pid 9241] <... clone resumed>, parent_tid=[9258], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9258
[pid 9257] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9247] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9257] <... futex resumed>) = 1
[pid 9256] <... mprotect resumed>) = 0
[pid 9247] <... mprotect resumed>) = 0
[pid 9243] <... futex resumed>) = 0
[pid 9241] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9258 attached
<unfinished ...>
[pid 9257] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9256] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9247] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9242] <... write resumed>) = 196608
[pid 9241] <... futex resumed>) = 0
[pid 9258] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9242] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 9241] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9256] <... clone resumed>, parent_tid=[9259], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9259
[pid 9247] <... clone resumed>, parent_tid=[9260], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9260
[pid 9242] <... futex resumed>) = 0
[pid 9256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9247] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9242] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9240] exit_group(0./strace-static-x86_64: Process 9259 attached
<unfinished ...>
[pid 9256] <... futex resumed>) = 0
[pid 9255] <... futex resumed>) = ?
[pid 9247] <... futex resumed>) = 0
[pid 9242] <... futex resumed>) = ?
[pid 9240] <... exit_group resumed>) = ?
[pid 9259] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9258] <... set_robust_list resumed>) = 0
[pid 9256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9255] +++ exited with 0 +++
[pid 9247] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9242] +++ exited with 0 +++
[pid 9240] +++ exited with 0 +++
[pid 9259] <... set_robust_list resumed>) = 0
[pid 9258] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9240, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9259] memfd_create("syzkaller", 0) = 3
[pid 9259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9258] <... mmap resumed>) = 0x20000000
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9259] <... mmap resumed>) = 0x7fe424ef8000
[pid 9258] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] lstat("./173/file0", ./strace-static-x86_64: Process 9260 attached
<unfinished ...>
[pid 5073] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 9260] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9258] <... futex resumed>) = 1
[pid 9241] <... futex resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9260] <... set_robust_list resumed>) = 0
[pid 9258] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9248] <... write resumed>) = 212992
[pid 9247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9260] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9248] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9260] <... mmap resumed>) = 0x20000000
[pid 9248] <... futex resumed>) = 0
[pid 9245] <... write resumed>) = 225280
[pid 9243] exit_group(0 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9260] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9257] <... futex resumed>) = ?
[pid 9245] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9243] <... exit_group resumed>) = ?
[pid 5073] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9260] <... futex resumed>) = 0
[pid 9257] +++ exited with 0 +++
[pid 9248] +++ exited with 0 +++
[pid 9245] <... futex resumed>) = 0
[pid 9241] exit_group(0 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 9260] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9258] <... futex resumed>) = ?
[pid 9243] +++ exited with 0 +++
[pid 9241] <... exit_group resumed>) = ?
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9258] +++ exited with 0 +++
[pid 9245] +++ exited with 0 +++
[pid 9241] +++ exited with 0 +++
[pid 5073] lstat("./174/binderfs", <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9243, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9241, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5073] unlink("./174/binderfs" <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./173/file0" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5072] rmdir("./173" <unfinished ...>
[pid 5075] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] lstat("./175/binderfs", <unfinished ...>
[pid 5072] mkdir("./174", 0777 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] unlink("./175/binderfs" <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... unlink resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5070] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] lstat("./171/binderfs", <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] unlink("./171/binderfs" <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9261
[pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9261 attached
<unfinished ...>
[pid 9261] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9261] chdir("./174") = 0
[pid 9261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9261] setpgid(0, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9261] <... setpgid resumed>) = 0
[pid 9261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9261] write(3, "1000", 4) = 4
[pid 9261] close(3 <unfinished ...>
[pid 9249] <... write resumed>) = 241664
[pid 9261] <... close resumed>) = 0
[pid 9249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9247] exit_group(0 <unfinished ...>
[pid 9261] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9260] <... futex resumed>) = ?
[pid 9249] <... futex resumed>) = ?
[pid 9247] <... exit_group resumed>) = ?
[pid 9261] <... symlink resumed>) = 0
[pid 9260] +++ exited with 0 +++
[pid 9249] +++ exited with 0 +++
[pid 9261] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9247] +++ exited with 0 +++
[pid 9261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9261] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9247, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 9261] <... mprotect resumed>) = 0
[pid 5074] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9261] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] lstat("./174/file0", <unfinished ...>
[pid 9261] <... clone resumed>, parent_tid=[9262], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9262
[pid 5075] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9261] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9261] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9261] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./175/file0", <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9262 attached
[pid 5075] <... openat resumed>) = 4
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(4, <unfinished ...>
[pid 9262] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] lstat("./172/binderfs", <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9262] <... set_robust_list resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9262] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] unlink("./172/binderfs" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9262] <... memfd_create resumed>) = 3
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... unlink resumed>) = 0
[pid 5073] close(4 <unfinished ...>
[pid 9262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9262] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] rmdir("./174/file0" <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] rmdir("./175/file0" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] rmdir("./174" <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] mkdir("./175", 0777 <unfinished ...>
[pid 5075] rmdir("./175" <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9259] <... write resumed>) = 2097152
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9259] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] mkdir("./176", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] <... openat resumed>) = 3
[pid 5073] close(3 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] close(3) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9263
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9264
./strace-static-x86_64: Process 9263 attached
[pid 9259] <... munmap resumed>) = 0
[pid 9263] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9263] chdir("./175") = 0
[pid 9263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9263] setpgid(0, 0) = 0
[pid 9259] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9259] <... openat resumed>) = 4
[pid 9263] <... openat resumed>) = 3
[pid 9259] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9263] write(3, "1000", 4) = 4
[pid 9263] close(3) = 0
[pid 9263] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9263] <... symlink resumed>) = 0
[pid 9263] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9263] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9263] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9264 attached
<unfinished ...>
[pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9264] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9263] <... clone resumed>, parent_tid=[9265], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9265
[pid 9264] <... set_robust_list resumed>) = 0
[pid 9263] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9259] <... ioctl resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9264] chdir("./176" <unfinished ...>
[pid 9263] <... futex resumed>) = 0
[pid 9259] close(3 <unfinished ...>
[pid 5070] lstat("./171/file0", <unfinished ...>
[pid 9264] <... chdir resumed>) = 0
[pid 9263] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9259] <... close resumed>) = 0
./strace-static-x86_64: Process 9265 attached
[pid 9264] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9259] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9265] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9264] <... prctl resumed>) = 0
[pid 9265] <... set_robust_list resumed>) = 0
[pid 9264] setpgid(0, 0 <unfinished ...>
[pid 9259] <... mkdir resumed>) = 0
[pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9265] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9264] <... setpgid resumed>) = 0
[pid 9259] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9265] <... memfd_create resumed>) = 3
[pid 9264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9264] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9265] <... mmap resumed>) = 0x7fe424ef8000
[pid 9264] write(3, "1000", 4) = 4
[pid 5070] <... openat resumed>) = 4
[pid 9264] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 9264] <... close resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[ 229.913338][ T9259] loop1: detected capacity change from 0 to 4096
[pid 9264] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9262] <... write resumed>) = 2097152
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9264] <... symlink resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9264] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./172/file0" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9264] <... futex resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9264] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9264] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9264] <... mprotect resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5070] rmdir("./171/file0" <unfinished ...>
[pid 9265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9264] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] rmdir("./172") = 0
[pid 5074] mkdir("./173", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9262] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9266 attached
[pid 9264] <... clone resumed>, parent_tid=[9266], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9266
[pid 9262] <... munmap resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9266] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9264] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9262] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9266] <... set_robust_list resumed>) = 0
[pid 9264] <... futex resumed>) = 0
[pid 9262] <... openat resumed>) = 4
[ 229.972385][ T9259] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 229.992817][ T9259] NILFS (loop1): trying rollback from an earlier position
[ 230.012385][ T9259] NILFS (loop1): recovery complete
[pid 5074] close(3 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9266] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9264] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9262] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9266] <... memfd_create resumed>) = 3
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9259] <... mount resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9268
./strace-static-x86_64: Process 9268 attached
[pid 9268] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9268] chdir("./173") = 0
[pid 9268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9268] setpgid(0, 0) = 0
[pid 9266] <... mmap resumed>) = 0x7fe424ef8000
[pid 9259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] rmdir("./171" <unfinished ...>
[pid 9268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9262] <... ioctl resumed>) = 0
[pid 9268] write(3, "1000", 4 <unfinished ...>
[pid 9262] close(3 <unfinished ...>
[pid 9268] <... write resumed>) = 4
[pid 9262] <... close resumed>) = 0
[pid 9268] close(3 <unfinished ...>
[pid 9262] mkdir("./file0", 0777 <unfinished ...>
[pid 9268] <... close resumed>) = 0
[pid 9262] <... mkdir resumed>) = 0
[pid 9268] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9262] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9268] <... symlink resumed>) = 0
[pid 9259] <... openat resumed>) = 3
[pid 5070] <... rmdir resumed>) = 0
[pid 9268] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9268] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9265] <... write resumed>) = 2097152
[ 230.023850][ T9262] loop2: detected capacity change from 0 to 4096
[ 230.032885][ T9267] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9259] chdir("./file0" <unfinished ...>
[pid 5070] mkdir("./172", 0777 <unfinished ...>
[pid 9268] <... mprotect resumed>) = 0
[pid 9266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9265] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9268] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9269], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9269
[pid 9268] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9259] <... chdir resumed>) = 0
[pid 9268] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9259] ioctl(4, LOOP_CLR_FD) = 0
[pid 9259] close(4 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9259] <... close resumed>) = 0
[pid 9259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9256] <... futex resumed>) = 0
[pid 9259] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9269 attached
<unfinished ...>
[pid 9259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9256] <... futex resumed>) = 0
[pid 9269] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9259] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9269] <... set_robust_list resumed>) = 0
[pid 9265] <... munmap resumed>) = 0
[pid 9269] memfd_create("syzkaller", 0) = 3
[pid 9269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9265] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9259] <... openat resumed>) = 4
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9265] <... openat resumed>) = 4
[pid 9259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9265] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9259] <... futex resumed>) = 1
[pid 9256] <... futex resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9259] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9256] <... futex resumed>) = 0
[pid 9259] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9266] <... write resumed>) = 2097152
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9265] <... ioctl resumed>) = 0
[ 230.071178][ T9262] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 230.100716][ T9265] loop3: detected capacity change from 0 to 4096
[pid 5070] close(3 <unfinished ...>
[pid 9265] close(3 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9270
[pid 9269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9265] <... close resumed>) = 0
./strace-static-x86_64: Process 9270 attached
[pid 9270] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9270] chdir("./172") = 0
[pid 9270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9270] setpgid(0, 0) = 0
[pid 9270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9266] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9265] mkdir("./file0", 0777 <unfinished ...>
[pid 9270] write(3, "1000", 4) = 4
[pid 9266] <... munmap resumed>) = 0
[pid 9265] <... mkdir resumed>) = 0
[pid 9270] close(3 <unfinished ...>
[pid 9266] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[ 230.121882][ T9262] NILFS (loop2): trying rollback from an earlier position
[pid 9265] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9270] <... close resumed>) = 0
[pid 9256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9270] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9266] <... openat resumed>) = 4
[pid 9256] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9270] <... symlink resumed>) = 0
[pid 9256] <... futex resumed>) = 0
[pid 9270] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9270] <... futex resumed>) = 0
[pid 9256] <... mmap resumed>) = 0x7fe4250d7000
[pid 9270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9256] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9270] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9256] <... mprotect resumed>) = 0
[pid 9270] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9256] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9266] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9270] <... mprotect resumed>) = 0
[pid 9270] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9256] <... clone resumed>, parent_tid=[9272], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9272
[pid 9256] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9270] <... clone resumed>, parent_tid=[9273], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9273
[pid 9256] <... futex resumed>) = 0
[pid 9270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9272 attached
<unfinished ...>
[pid 9270] <... futex resumed>) = 0
[pid 9272] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9272] <... set_robust_list resumed>) = 0
[pid 9272] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9272] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9262] <... mount resumed>) = 0
[pid 9256] <... futex resumed>) = 0
[pid 9272] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 230.167080][ T9262] NILFS (loop2): recovery complete
[ 230.179562][ T9265] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 230.188256][ T9265] NILFS (loop3): trying rollback from an earlier position
[ 230.195642][ T9266] loop5: detected capacity change from 0 to 4096
[pid 9262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9269] <... write resumed>) = 2097152
[pid 9269] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9262] <... openat resumed>) = 3
[pid 9262] chdir("./file0"./strace-static-x86_64: Process 9273 attached
) = 0
[pid 9273] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9262] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9273] <... set_robust_list resumed>) = 0
[pid 9262] <... ioctl resumed>) = 0
[pid 9273] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9262] close(4) = 0
[pid 9269] <... munmap resumed>) = 0
[pid 9269] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9273] <... memfd_create resumed>) = 3
[pid 9269] <... openat resumed>) = 4
[pid 9262] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9269] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 230.212059][ T9271] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9262] <... futex resumed>) = 1
[pid 9261] <... futex resumed>) = 0
[pid 9266] <... ioctl resumed>) = 0
[pid 9273] <... mmap resumed>) = 0x7fe424ef8000
[pid 9261] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9262] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9261] <... futex resumed>) = 0
[pid 9261] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9266] close(3) = 0
[pid 9266] mkdir("./file0", 0777 <unfinished ...>
[pid 9259] <... write resumed>) = 192512
[pid 9266] <... mkdir resumed>) = 0
[pid 9259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9256] exit_group(0 <unfinished ...>
[pid 9272] <... futex resumed>) = ?
[pid 9266] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9259] <... futex resumed>) = ?
[pid 9256] <... exit_group resumed>) = ?
[pid 9272] +++ exited with 0 +++
[pid 9259] +++ exited with 0 +++
[pid 9256] +++ exited with 0 +++
[pid 9269] <... ioctl resumed>) = 0
[pid 9269] close(3 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 9269] <... close resumed>) = 0
[pid 5071] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9269] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9269] <... mkdir resumed>) = 0
[ 230.242428][ T9269] loop4: detected capacity change from 0 to 4096
[ 230.271746][ T9265] NILFS (loop3): recovery complete
[ 230.283986][ T9266] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 5071] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9269] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9262] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 3
[pid 9262] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 9262] <... futex resumed>) = 1
[pid 9261] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9262] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9261] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9261] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9262] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9261] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9273] <... write resumed>) = 2097152
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9273] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] lstat("./172/binderfs", <unfinished ...>
[pid 9273] <... munmap resumed>) = 0
[ 230.296075][ T9266] NILFS (loop5): trying rollback from an earlier position
[ 230.332467][ T9274] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9273] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9265] <... mount resumed>) = 0
[pid 5071] unlink("./172/binderfs" <unfinished ...>
[pid 9273] <... openat resumed>) = 4
[pid 9265] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9273] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9265] <... openat resumed>) = 3
[pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9266] <... mount resumed>) = 0
[pid 9265] chdir("./file0" <unfinished ...>
[pid 9261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9261] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9261] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9261] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9276], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9276
[pid 9261] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9273] <... ioctl resumed>) = 0
[pid 9266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9265] <... chdir resumed>) = 0
[pid 9261] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9273] close(3 <unfinished ...>
[pid 9266] <... openat resumed>) = 3
[pid 9265] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9273] <... close resumed>) = 0
[pid 9266] chdir("./file0" <unfinished ...>
[pid 9265] <... ioctl resumed>) = 0
[pid 9273] mkdir("./file0", 0777 <unfinished ...>
[pid 9266] <... chdir resumed>) = 0
[pid 9265] close(4 <unfinished ...>
[pid 9273] <... mkdir resumed>) = 0
[pid 9266] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9265] <... close resumed>) = 0
[pid 9273] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9266] <... ioctl resumed>) = 0
[pid 9265] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9266] close(4 <unfinished ...>
[pid 9265] <... futex resumed>) = 1
[pid 9263] <... futex resumed>) = 0
[pid 9266] <... close resumed>) = 0
[pid 9265] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9263] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9266] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9263] <... futex resumed>) = 0
[ 230.335866][ T9266] NILFS (loop5): recovery complete
[ 230.344737][ T9269] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 230.361671][ T9273] loop0: detected capacity change from 0 to 4096
[ 230.363777][ T9269] NILFS (loop4): trying rollback from an earlier position
[ 230.369739][ T9275] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
./strace-static-x86_64: Process 9276 attached
[pid 9266] <... futex resumed>) = 1
[pid 9265] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9264] <... futex resumed>) = 0
[pid 9263] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9276] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9276] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9266] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9264] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9276] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9264] <... futex resumed>) = 0
[pid 9261] <... futex resumed>) = 0
[pid 9276] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9266] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9265] <... openat resumed>) = 4
[pid 9264] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9265] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9263] <... futex resumed>) = 0
[pid 9265] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9263] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9263] <... futex resumed>) = 0
[pid 9265] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 230.420192][ T9273] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 230.440244][ T9269] NILFS (loop4): recovery complete
[pid 9263] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9266] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9266] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9269] <... mount resumed>) = 0
[pid 9269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9266] <... futex resumed>) = 1
[pid 9264] <... futex resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9269] <... openat resumed>) = 3
[pid 9266] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9264] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9269] chdir("./file0" <unfinished ...>
[pid 9266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9264] <... futex resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9269] <... chdir resumed>) = 0
[pid 9266] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9264] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9269] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] rmdir("./172/file0" <unfinished ...>
[pid 9269] <... ioctl resumed>) = 0
[pid 9263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... rmdir resumed>) = 0
[pid 9269] close(4 <unfinished ...>
[pid 9263] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9262] <... write resumed>) = 233472
[ 230.461924][ T9273] NILFS (loop0): trying rollback from an earlier position
[ 230.470463][ T9277] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] getdents64(3, <unfinished ...>
[pid 9269] <... close resumed>) = 0
[pid 9263] <... futex resumed>) = 0
[pid 9262] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9261] exit_group(0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9276] <... futex resumed>) = ?
[pid 9269] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9262] <... futex resumed>) = ?
[pid 9261] <... exit_group resumed>) = ?
[pid 5071] close(3 <unfinished ...>
[pid 9276] +++ exited with 0 +++
[pid 9269] <... futex resumed>) = 1
[pid 9268] <... futex resumed>) = 0
[pid 9263] <... mmap resumed>) = 0x7fe4250d7000
[pid 9262] +++ exited with 0 +++
[pid 9261] +++ exited with 0 +++
[pid 5071] <... close resumed>) = 0
[pid 9269] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9268] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9263] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] rmdir("./172" <unfinished ...>
[pid 9269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9268] <... futex resumed>) = 0
[pid 9263] <... mprotect resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9261, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5071] <... rmdir resumed>) = 0
[pid 9269] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9268] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9263] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] mkdir("./173", 0777./strace-static-x86_64: Process 9278 attached
<unfinished ...>
[pid 9269] <... openat resumed>) = 4
[pid 9264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... mkdir resumed>) = 0
[pid 9269] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9264] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9263] <... clone resumed>, parent_tid=[9278], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9278
[pid 5072] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9278] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9269] <... futex resumed>) = 1
[pid 9268] <... futex resumed>) = 0
[pid 9264] <... futex resumed>) = 0
[pid 9263] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 9278] <... set_robust_list resumed>) = 0
[pid 9269] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9268] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9263] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9278] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 230.540984][ T9273] NILFS (loop0): recovery complete
[pid 9268] <... futex resumed>) = 0
[pid 9264] <... mmap resumed>) = 0x7fe4250d7000
[pid 9263] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9278] <... mmap resumed>) = 0x20000000
[pid 9269] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9268] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9264] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9278] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9273] <... mount resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... close resumed>) = 0
[pid 9273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9264] <... mprotect resumed>) = 0
[pid 5072] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9273] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9273] chdir("./file0" <unfinished ...>
[pid 5072] lstat("./174/binderfs", <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9281
[pid 9273] <... chdir resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9278] <... futex resumed>) = 1
[pid 9273] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9264] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9263] <... futex resumed>) = 0
[pid 5072] unlink("./174/binderfs"./strace-static-x86_64: Process 9281 attached
<unfinished ...>
[pid 9278] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9273] <... ioctl resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
./strace-static-x86_64: Process 9282 attached
[pid 9273] close(4 <unfinished ...>
[pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9273] <... close resumed>) = 0
[pid 9273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9264] <... clone resumed>, parent_tid=[9282], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9282
[pid 9282] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9281] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9273] <... futex resumed>) = 1
[pid 9270] <... futex resumed>) = 0
[pid 9264] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9282] <... set_robust_list resumed>) = 0
[pid 9281] <... set_robust_list resumed>) = 0
[pid 9273] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9264] <... futex resumed>) = 0
[pid 9282] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9281] chdir("./173" <unfinished ...>
[pid 9273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9270] <... futex resumed>) = 0
[pid 9264] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9273] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 230.606857][ T9280] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9282] <... mmap resumed>) = 0x20000000
[pid 9281] <... chdir resumed>) = 0
[pid 9273] <... openat resumed>) = 4
[pid 9268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9282] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9281] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9268] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9282] <... futex resumed>) = 1
[pid 9281] <... prctl resumed>) = 0
[pid 9273] <... futex resumed>) = 1
[pid 9270] <... futex resumed>) = 0
[pid 9268] <... futex resumed>) = 0
[pid 9264] <... futex resumed>) = 0
[pid 9282] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9281] setpgid(0, 0 <unfinished ...>
[pid 9273] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9281] <... setpgid resumed>) = 0
[pid 9273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9270] <... futex resumed>) = 0
[pid 9268] <... mmap resumed>) = 0x7fe4250d7000
[pid 9281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9273] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9268] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9281] <... openat resumed>) = 3
[pid 9268] <... mprotect resumed>) = 0
[pid 9265] <... write resumed>) = 327680
[pid 9281] write(3, "1000", 4 <unfinished ...>
[pid 9268] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9265] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9283 attached
<unfinished ...>
[pid 9281] <... write resumed>) = 4
[pid 9265] <... futex resumed>) = 0
[pid 9263] exit_group(0 <unfinished ...>
[pid 9283] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9281] close(3 <unfinished ...>
[pid 9278] <... futex resumed>) = ?
[pid 9268] <... clone resumed>, parent_tid=[9283], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9283
[pid 9263] <... exit_group resumed>) = ?
[pid 9283] <... set_robust_list resumed>) = 0
[pid 9268] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9281] <... close resumed>) = 0
[pid 9278] +++ exited with 0 +++
[pid 9268] <... futex resumed>) = 0
[pid 9265] +++ exited with 0 +++
[pid 9283] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9281] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9268] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9263] +++ exited with 0 +++
[pid 9283] <... mmap resumed>) = 0x20000000
[pid 9281] <... symlink resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9263, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 9283] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9281] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9283] <... futex resumed>) = 1
[pid 9281] <... futex resumed>) = 0
[pid 9268] <... futex resumed>) = 0
[pid 9283] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9281] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9281] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9281] <... mprotect resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = 0
[pid 9281] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9281] <... clone resumed>, parent_tid=[9284], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9284
[pid 9270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] lstat("./174/file0", <unfinished ...>
[pid 9281] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9270] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9281] <... futex resumed>) = 0
[pid 9270] <... futex resumed>) = 0
[pid 5073] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9281] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9270] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] lstat("./175/binderfs", <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9284 attached
<unfinished ...>
[pid 9270] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... openat resumed>) = 4
[pid 9284] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9270] <... mprotect resumed>) = 0
[pid 5073] unlink("./175/binderfs" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 9284] <... set_robust_list resumed>) = 0
[pid 9270] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9284] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9284] <... memfd_create resumed>) = 3
[pid 9270] <... clone resumed>, parent_tid=[9285], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9285
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9270] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9284] <... mmap resumed>) = 0x7fe424ef8000
[pid 9270] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9270] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] close(4./strace-static-x86_64: Process 9285 attached
) = 0
[pid 9285] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] rmdir("./174/file0" <unfinished ...>
[pid 9285] <... set_robust_list resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9285] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9285] <... mmap resumed>) = 0x20000000
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9285] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9285] <... futex resumed>) = 1
[pid 9270] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9285] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] rmdir("./174") = 0
[pid 5072] mkdir("./175", 0777) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9287
./strace-static-x86_64: Process 9287 attached
[pid 9287] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9287] chdir("./175") = 0
[pid 9287] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9266] <... write resumed>) = 524288
[pid 9287] <... prctl resumed>) = 0
[pid 9287] setpgid(0, 0 <unfinished ...>
[pid 9266] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9287] <... setpgid resumed>) = 0
[pid 9266] <... futex resumed>) = 0
[pid 9287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9266] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9287] <... openat resumed>) = 3
[pid 9269] <... write resumed>) = 217088
[pid 9264] exit_group(0 <unfinished ...>
[pid 9287] write(3, "1000", 4 <unfinished ...>
[pid 9269] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9268] exit_group(0 <unfinished ...>
[pid 9264] <... exit_group resumed>) = ?
[pid 9287] <... write resumed>) = 4
[pid 9283] <... futex resumed>) = ?
[pid 9282] <... futex resumed>) = ?
[pid 9269] <... futex resumed>) = ?
[pid 9268] <... exit_group resumed>) = ?
[pid 9266] <... futex resumed>) = ?
[pid 9287] close(3 <unfinished ...>
[pid 9283] +++ exited with 0 +++
[pid 9282] +++ exited with 0 +++
[pid 9269] +++ exited with 0 +++
[pid 9268] +++ exited with 0 +++
[pid 9287] <... close resumed>) = 0
[pid 9266] +++ exited with 0 +++
[pid 9264] +++ exited with 0 +++
[pid 9287] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9264, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9268, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 9287] <... symlink resumed>) = 0
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9287] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... restart_syscall resumed>) = 0
[pid 9287] <... futex resumed>) = 0
[pid 5075] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9287] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9273] <... write resumed>) = 221184
[pid 9287] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9287] <... mprotect resumed>) = 0
[pid 9273] <... futex resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9287] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9284] <... write resumed>) = 2097152
[pid 9273] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9270] exit_group(0 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9285] <... futex resumed>) = ?
[pid 9284] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9273] <... futex resumed>) = ?
[pid 9270] <... exit_group resumed>) = ?
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9287] <... clone resumed>, parent_tid=[9288], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9288
[pid 9285] +++ exited with 0 +++
[pid 9284] <... munmap resumed>) = 0
[pid 9273] +++ exited with 0 +++
[pid 9270] +++ exited with 0 +++
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9287] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9284] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5075] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9270, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
./strace-static-x86_64: Process 9288 attached
[pid 9287] <... futex resumed>) = 0
[pid 9284] <... openat resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9288] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9287] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9284] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] lstat("./176/binderfs", <unfinished ...>
[pid 5074] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9288] <... set_robust_list resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = 0
[pid 9288] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] unlink("./176/binderfs" <unfinished ...>
[pid 5074] lstat("./173/binderfs", <unfinished ...>
[pid 9288] <... memfd_create resumed>) = 3
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] unlink("./173/binderfs" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9288] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... unlink resumed>) = 0
[pid 5073] lstat("./175/file0", <unfinished ...>
[pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9284] <... ioctl resumed>) = 0
[pid 9284] close(3 <unfinished ...>
[pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9284] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9284] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9284] <... mkdir resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5070] <... openat resumed>) = 3
[ 230.901775][ T9284] loop1: detected capacity change from 0 to 4096
[pid 9284] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] lstat("./172/binderfs", <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] unlink("./172/binderfs" <unfinished ...>
[pid 5073] rmdir("./175/file0" <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] lstat("./176/file0", <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] rmdir("./175" <unfinished ...>
[pid 9288] <... write resumed>) = 2097152
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./173/file0", <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] mkdir("./176", 0777 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] fstat(4, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] getdents64(4, <unfinished ...>
[pid 5075] rmdir("./176/file0" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9288] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] rmdir("./173/file0" <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9289
[pid 5075] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] rmdir("./176" <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./173" <unfinished ...>
[pid 5075] mkdir("./177", 0777 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] mkdir("./174", 0777 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[ 230.965457][ T9284] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 230.997046][ T9284] NILFS (loop1): trying rollback from an earlier position
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... openat resumed>) = 3
./strace-static-x86_64: Process 9289 attached
[pid 9288] <... munmap resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9288] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9288] <... openat resumed>) = 4
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9288] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9289] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9289] chdir("./176") = 0
[pid 9289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9289] setpgid(0, 0) = 0
[pid 9289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9289] write(3, "1000", 4) = 4
[pid 9289] close(3) = 0
[pid 9289] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9289] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9289] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9289] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9290
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9291
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9292 attached
./strace-static-x86_64: Process 9291 attached
./strace-static-x86_64: Process 9290 attached
[pid 9289] <... clone resumed>, parent_tid=[9292], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9292
[pid 9288] <... ioctl resumed>) = 0
[pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9292] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9291] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9290] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9289] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9288] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9292] <... set_robust_list resumed>) = 0
[pid 9291] <... set_robust_list resumed>) = 0
[pid 9290] <... set_robust_list resumed>) = 0
[pid 9289] <... futex resumed>) = 0
[pid 9288] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9292] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9291] chdir("./174" <unfinished ...>
[pid 9290] chdir("./177" <unfinished ...>
[pid 9289] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9288] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9292] <... memfd_create resumed>) = 3
[pid 9291] <... chdir resumed>) = 0
[pid 9290] <... chdir resumed>) = 0
[pid 9288] <... mkdir resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9291] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9290] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9288] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9292] <... mmap resumed>) = 0x7fe424ef8000
[pid 9291] <... prctl resumed>) = 0
[pid 9290] <... prctl resumed>) = 0
[pid 9284] <... mount resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9291] setpgid(0, 0 <unfinished ...>
[pid 9290] setpgid(0, 0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9291] <... setpgid resumed>) = 0
[pid 9290] <... setpgid resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[ 231.042861][ T9284] NILFS (loop1): recovery complete
[ 231.051606][ T9288] loop2: detected capacity change from 0 to 4096
[ 231.078303][ T9293] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9291] <... openat resumed>) = 3
[pid 9290] <... openat resumed>) = 3
[pid 9284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9291] write(3, "1000", 4 <unfinished ...>
[pid 9290] write(3, "1000", 4 <unfinished ...>
[pid 9284] <... openat resumed>) = 3
[pid 5070] <... close resumed>) = 0
[pid 9291] <... write resumed>) = 4
[pid 9290] <... write resumed>) = 4
[pid 9284] chdir("./file0" <unfinished ...>
[pid 5070] rmdir("./172/file0" <unfinished ...>
[pid 9291] close(3 <unfinished ...>
[pid 9290] close(3 <unfinished ...>
[pid 9284] <... chdir resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 9291] <... close resumed>) = 0
[pid 9290] <... close resumed>) = 0
[pid 9284] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9291] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9290] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9284] <... ioctl resumed>) = 0
[ 231.089960][ T9288] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9291] <... symlink resumed>) = 0
[pid 9290] <... symlink resumed>) = 0
[pid 9284] close(4 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9291] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9290] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9284] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9291] <... futex resumed>) = 0
[pid 9290] <... futex resumed>) = 0
[pid 9284] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] rmdir("./172" <unfinished ...>
[pid 9291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9284] <... futex resumed>) = 1
[pid 9281] <... futex resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 9291] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9290] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9284] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9281] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] mkdir("./173", 0777 <unfinished ...>
[pid 9291] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9290] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9281] <... futex resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 9291] <... mprotect resumed>) = 0
[pid 9290] <... mprotect resumed>) = 0
[pid 9281] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9291] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9290] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9284] <... openat resumed>) = 4
[pid 5070] <... openat resumed>) = 3
[pid 9284] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9291] <... clone resumed>, parent_tid=[9294], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9294
[pid 9290] <... clone resumed>, parent_tid=[9295], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9295
[pid 9284] <... futex resumed>) = 1
[pid 9281] <... futex resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9291] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9290] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9284] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9281] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9291] <... futex resumed>) = 0
[pid 9290] <... futex resumed>) = 0
[pid 9284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9281] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9291] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9290] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9284] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9281] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9294 attached
, child_tidptr=0x555556a0d5d0) = 9296
[pid 9294] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9294] memfd_create("syzkaller", 0) = 3
[pid 9294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 9296 attached
[pid 9296] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9296] chdir("./173") = 0
[pid 9296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9296] setpgid(0, 0) = 0
./strace-static-x86_64: Process 9295 attached
[pid 9296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9296] write(3, "1000", 4) = 4
[pid 9296] close(3) = 0
[ 231.115747][ T9288] NILFS (loop2): trying rollback from an earlier position
[pid 9296] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9295] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9296] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... set_robust_list resumed>) = 0
[pid 9296] <... futex resumed>) = 0
[pid 9295] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9295] <... memfd_create resumed>) = 3
[pid 9296] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9296] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9295] <... mmap resumed>) = 0x7fe424ef8000
[pid 9296] <... mprotect resumed>) = 0
[pid 9296] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9297], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9297
[pid 9296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9297 attached
<unfinished ...>
[pid 9297] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9297] memfd_create("syzkaller", 0) = 3
[pid 9281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9281] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9297] <... mmap resumed>) = 0x7fe424ef8000
[pid 9281] <... futex resumed>) = 0
[pid 9292] <... write resumed>) = 2097152
[pid 9281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9281] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9292] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9281] <... mprotect resumed>) = 0
[ 231.182840][ T9288] NILFS (loop2): recovery complete
[pid 9292] <... munmap resumed>) = 0
[pid 9288] <... mount resumed>) = 0
[pid 9281] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9281] <... clone resumed>, parent_tid=[9299], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9299
[pid 9292] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9288] chdir("./file0" <unfinished ...>
[pid 9281] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9292] <... openat resumed>) = 4
[pid 9288] <... chdir resumed>) = 0
[pid 9281] <... futex resumed>) = 0
[pid 9292] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9288] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9281] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9288] <... ioctl resumed>) = 0
[pid 9288] close(4./strace-static-x86_64: Process 9299 attached
<unfinished ...>
[pid 9295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9288] <... close resumed>) = 0
[pid 9299] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9288] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9299] <... set_robust_list resumed>) = 0
[pid 9288] <... futex resumed>) = 1
[pid 9287] <... futex resumed>) = 0
[pid 9299] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9288] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9287] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9287] <... futex resumed>) = 0
[pid 9288] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9287] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9299] <... mmap resumed>) = 0x20000000
[pid 9299] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9281] <... futex resumed>) = 0
[pid 9299] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9294] <... write resumed>) = 2097152
[pid 9292] <... ioctl resumed>) = 0
[pid 9288] <... openat resumed>) = 4
[pid 9288] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9287] <... futex resumed>) = 0
[ 231.224286][ T9298] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 231.241524][ T9292] loop3: detected capacity change from 0 to 4096
[pid 9288] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9287] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9287] <... futex resumed>) = 0
[pid 9292] close(3 <unfinished ...>
[pid 9288] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9287] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9292] <... close resumed>) = 0
[pid 9294] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9292] mkdir("./file0", 0777 <unfinished ...>
[pid 9294] <... munmap resumed>) = 0
[pid 9292] <... mkdir resumed>) = 0
[pid 9292] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9294] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 9294] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9297] <... write resumed>) = 2097152
[pid 9294] <... ioctl resumed>) = 0
[pid 9294] close(3) = 0
[pid 9294] mkdir("./file0", 0777) = 0
[pid 9294] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9295] <... write resumed>) = 2097152
[pid 9295] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9287] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9295] <... munmap resumed>) = 0
[pid 9297] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9295] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[ 231.308381][ T9294] loop4: detected capacity change from 0 to 4096
[ 231.331724][ T9292] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9297] <... munmap resumed>) = 0
[pid 9295] <... openat resumed>) = 4
[pid 9287] <... mmap resumed>) = 0x7fe4250d7000
[pid 9284] <... write resumed>) = 233472
[pid 9297] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9287] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9297] <... openat resumed>) = 4
[pid 9287] <... mprotect resumed>) = 0
[pid 9297] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9295] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9287] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9284] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... ioctl resumed>) = 0
[pid 9287] <... clone resumed>, parent_tid=[9300], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9300
[pid 9287] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9287] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9300 attached
<unfinished ...>
[pid 9300] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9300] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9295] close(3 <unfinished ...>
[pid 9284] <... futex resumed>) = 0
[pid 9300] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... close resumed>) = 0
[pid 9284] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9300] <... futex resumed>) = 1
[pid 9287] <... futex resumed>) = 0
[pid 9300] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9297] <... ioctl resumed>) = 0
[pid 9297] close(3) = 0
[ 231.354665][ T9292] NILFS (loop3): trying rollback from an earlier position
[ 231.362769][ T9294] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 231.372280][ T9295] loop5: detected capacity change from 0 to 4096
[ 231.372475][ T9297] loop0: detected capacity change from 0 to 4096
[ 231.381343][ T9292] NILFS (loop3): recovery complete
[ 231.392234][ T9294] NILFS (loop4): trying rollback from an earlier position
[pid 9297] mkdir("./file0", 0777 <unfinished ...>
[pid 9295] mkdir("./file0", 0777 <unfinished ...>
[pid 9292] <... mount resumed>) = 0
[pid 9281] exit_group(0 <unfinished ...>
[pid 9297] <... mkdir resumed>) = 0
[pid 9297] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9295] <... mkdir resumed>) = 0
[pid 9292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9281] <... exit_group resumed>) = ?
[pid 9284] <... futex resumed>) = ?
[pid 9299] <... futex resumed>) = ?
[pid 9295] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9292] <... openat resumed>) = 3
[pid 9284] +++ exited with 0 +++
[pid 9299] +++ exited with 0 +++
[pid 9281] +++ exited with 0 +++
[pid 9292] chdir("./file0" <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9281, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 9292] <... chdir resumed>) = 0
[pid 9292] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 9292] <... ioctl resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 231.401703][ T9301] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 231.425532][ T9295] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 231.439397][ T9295] NILFS (loop5): trying rollback from an earlier position
[ 231.447805][ T9294] NILFS (loop4): recovery complete
[pid 9292] close(4 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9292] <... close resumed>) = 0
[pid 9292] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9289] <... futex resumed>) = 0
[pid 9292] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9289] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9289] <... futex resumed>) = 0
[pid 9292] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9289] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9288] <... write resumed>) = 204800
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9294] <... mount resumed>) = 0
[pid 9294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9288] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9287] exit_group(0 <unfinished ...>
[pid 5071] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9300] <... futex resumed>) = ?
[pid 9294] <... openat resumed>) = 3
[pid 9288] <... futex resumed>) = ?
[pid 9287] <... exit_group resumed>) = ?
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9300] +++ exited with 0 +++
[pid 9294] chdir("./file0" <unfinished ...>
[pid 9288] +++ exited with 0 +++
[pid 9287] +++ exited with 0 +++
[pid 5071] lstat("./173/binderfs", <unfinished ...>
[pid 9294] <... chdir resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9287, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9294] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] unlink("./173/binderfs" <unfinished ...>
[pid 9294] <... ioctl resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9294] close(4 <unfinished ...>
[pid 5072] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9294] <... close resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9294] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9294] <... futex resumed>) = 1
[pid 9291] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9294] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9291] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 9294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9291] <... futex resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9294] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9291] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./175/binderfs") = 0
[pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9292] <... openat resumed>) = 4
[pid 9292] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9289] <... futex resumed>) = 0
[pid 9292] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9289] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9289] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9295] <... mount resumed>) = 0
[pid 9294] <... openat resumed>) = 4
[pid 9295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9294] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... openat resumed>) = 3
[pid 9294] <... futex resumed>) = 1
[pid 9291] <... futex resumed>) = 0
[pid 9295] chdir("./file0" <unfinished ...>
[pid 9294] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9291] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9291] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9295] <... chdir resumed>) = 0
[pid 9295] ioctl(4, LOOP_CLR_FD) = 0
[pid 9295] close(4) = 0
[pid 9295] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9290] <... futex resumed>) = 0
[pid 9295] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9290] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9290] <... futex resumed>) = 0
[pid 9295] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 231.449366][ T9297] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 231.464496][ T9295] NILFS (loop5): recovery complete
[ 231.474086][ T9302] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 231.481643][ T9297] NILFS (loop0): trying rollback from an earlier position
[ 231.492316][ T9303] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9290] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9295] <... openat resumed>) = 4
[pid 9289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9295] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9289] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] <... futex resumed>) = 1
[pid 9290] <... futex resumed>) = 0
[pid 9295] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9290] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9289] <... futex resumed>) = 0
[pid 9295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9290] <... futex resumed>) = 0
[pid 9289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9295] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9290] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9289] <... mmap resumed>) = 0x7fe4250d7000
[pid 9291] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 231.547395][ T9297] NILFS (loop0): recovery complete
[pid 9289] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9291] <... futex resumed>) = 0
[pid 9289] <... mprotect resumed>) = 0
[pid 9291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9289] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9291] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9305 attached
[pid 9297] <... mount resumed>) = 0
[pid 9291] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9305] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9291] <... mprotect resumed>) = 0
[pid 9289] <... clone resumed>, parent_tid=[9305], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9305
[pid 9305] <... set_robust_list resumed>) = 0
[pid 9297] <... openat resumed>) = 3
[pid 9291] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9289] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9305] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9297] chdir("./file0" <unfinished ...>
[pid 9289] <... futex resumed>) = 0
[pid 9297] <... chdir resumed>) = 0
[pid 9291] <... clone resumed>, parent_tid=[9306], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9306
[pid 9297] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9291] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9289] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9306 attached
<unfinished ...>
[pid 9305] <... mmap resumed>) = 0x20000000
[pid 9297] <... ioctl resumed>) = 0
[pid 9291] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9306] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9305] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9297] close(4 <unfinished ...>
[pid 9291] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9306] <... set_robust_list resumed>) = 0
[pid 9305] <... futex resumed>) = 1
[pid 9297] <... close resumed>) = 0
[pid 9292] <... write resumed>) = 176128
[pid 9289] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = 0
[pid 9297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9296] <... futex resumed>) = 0
[pid 9297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9296] <... futex resumed>) = 0
[pid 9306] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9305] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9292] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9289] exit_group(0 <unfinished ...>
[pid 5072] lstat("./175/file0", <unfinished ...>
[pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9306] <... mmap resumed>) = 0x20000000
[pid 9305] <... futex resumed>) = ?
[pid 9297] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9292] <... futex resumed>) = ?
[pid 9289] <... exit_group resumed>) = ?
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9306] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9305] +++ exited with 0 +++
[pid 9292] +++ exited with 0 +++
[pid 9290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9290] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9290] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9289] +++ exited with 0 +++
[pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] lstat("./173/file0", <unfinished ...>
[pid 9306] <... futex resumed>) = 1
[pid 9291] <... futex resumed>) = 0
[pid 9290] <... mprotect resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9289, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9306] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9290] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9297] <... openat resumed>) = 4
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9290] <... clone resumed>, parent_tid=[9307], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9307
[pid 5072] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9297] <... futex resumed>) = 1
[pid 9296] <... futex resumed>) = 0
[pid 9290] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[ 231.590137][ T9304] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9290] <... futex resumed>) = 0
[pid 5073] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9307 attached
[pid 9297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9296] <... futex resumed>) = 0
[pid 9290] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 4
[pid 9307] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9307] <... set_robust_list resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9307] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9307] <... mmap resumed>) = 0x20000000
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9307] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9307] <... futex resumed>) = 1
[pid 9290] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9307] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] close(4 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5073] lstat("./176/binderfs", <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] rmdir("./175/file0" <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5073] unlink("./176/binderfs") = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./173/file0" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] rmdir("./175" <unfinished ...>
[pid 9294] <... write resumed>) = 204800
[pid 9294] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9291] exit_group(0 <unfinished ...>
[pid 9306] <... futex resumed>) = ?
[pid 9291] <... exit_group resumed>) = ?
[pid 5071] close(3 <unfinished ...>
[pid 9306] +++ exited with 0 +++
[pid 9296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9294] +++ exited with 0 +++
[pid 9291] +++ exited with 0 +++
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9296] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] mkdir("./176", 0777 <unfinished ...>
[pid 5071] rmdir("./173" <unfinished ...>
[pid 9296] <... futex resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9291, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] <... mkdir resumed>) = 0
[pid 9296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9296] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] mkdir("./174", 0777 <unfinished ...>
[pid 9296] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9296] <... mprotect resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9296] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9296] <... clone resumed>, parent_tid=[9308], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9308
[pid 5074] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9296] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... close resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9296] <... futex resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 9296] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9308 attached
[pid 5074] lstat("./174/binderfs", <unfinished ...>
[pid 9308] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9308] <... set_robust_list resumed>) = 0
[pid 5074] unlink("./174/binderfs" <unfinished ...>
[pid 9308] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9308] <... mmap resumed>) = 0x20000000
[pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9308] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9296] <... futex resumed>) = 0
[pid 9308] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] lstat("./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9309
[pid 5071] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9310
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, ./strace-static-x86_64: Process 9310 attached
0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9310] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 9310] <... set_robust_list resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9310] chdir("./174" <unfinished ...>
[pid 5073] rmdir("./176/file0" <unfinished ...>
[pid 9310] <... chdir resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9310] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9310] <... prctl resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9309 attached
[pid 9310] setpgid(0, 0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9310] <... setpgid resumed>) = 0
[pid 9309] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9309] <... set_robust_list resumed>) = 0
[pid 5073] rmdir("./176" <unfinished ...>
[pid 9310] <... openat resumed>) = 3
[pid 9309] chdir("./176" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9310] write(3, "1000", 4 <unfinished ...>
[pid 9309] <... chdir resumed>) = 0
[pid 5073] mkdir("./177", 0777 <unfinished ...>
[pid 9310] <... write resumed>) = 4
[pid 9309] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9297] <... write resumed>) = 200704
[pid 9295] <... write resumed>) = 331776
[pid 5073] <... mkdir resumed>) = 0
[pid 9310] close(3 <unfinished ...>
[pid 9309] <... prctl resumed>) = 0
[pid 9297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9295] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9310] <... close resumed>) = 0
[pid 9297] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9310] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9296] exit_group(0 <unfinished ...>
[pid 9290] exit_group(0 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9310] <... symlink resumed>) = 0
[pid 9309] setpgid(0, 0 <unfinished ...>
[pid 9308] <... futex resumed>) = ?
[pid 9307] <... futex resumed>) = ?
[pid 9297] <... futex resumed>) = ?
[pid 9296] <... exit_group resumed>) = ?
[pid 9295] <... futex resumed>) = ?
[pid 9290] <... exit_group resumed>) = ?
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9310] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9309] <... setpgid resumed>) = 0
[pid 9308] +++ exited with 0 +++
[pid 9307] +++ exited with 0 +++
[pid 9297] +++ exited with 0 +++
[pid 9296] +++ exited with 0 +++
[pid 9295] +++ exited with 0 +++
[pid 9290] +++ exited with 0 +++
[pid 5073] close(3 <unfinished ...>
[pid 9310] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9290, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9296, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9310] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9310] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9311
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9310] <... mprotect resumed>) = 0
[pid 9309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9310] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9309] <... openat resumed>) = 3
[pid 9309] write(3, "1000", 4 <unfinished ...>
[pid 5075] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9310] <... clone resumed>, parent_tid=[9312], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9312
[pid 9309] <... write resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9311 attached
[pid 9310] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9309] close(3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9312 attached
<unfinished ...>
[pid 9311] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9310] <... futex resumed>) = 0
[pid 9309] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... openat resumed>) = 3
[pid 9312] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9311] <... set_robust_list resumed>) = 0
[pid 9310] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9309] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 9312] <... set_robust_list resumed>) = 0
[pid 9311] chdir("./177" <unfinished ...>
[pid 9309] <... symlink resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9312] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9311] <... chdir resumed>) = 0
[pid 9309] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9312] <... memfd_create resumed>) = 3
[pid 9311] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9309] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9311] <... prctl resumed>) = 0
[pid 9309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9312] <... mmap resumed>) = 0x7fe424ef8000
[pid 9311] setpgid(0, 0 <unfinished ...>
[pid 9309] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9311] <... setpgid resumed>) = 0
[pid 5075] lstat("./177/binderfs", <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./173/binderfs", <unfinished ...>
[pid 9311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] lstat("./174/file0", <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9311] <... openat resumed>) = 3
[pid 5075] unlink("./177/binderfs" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] unlink("./173/binderfs" <unfinished ...>
[pid 9311] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 9311] <... write resumed>) = 4
[pid 5075] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9311] close(3 <unfinished ...>
[pid 9309] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9311] <... close resumed>) = 0
[pid 9309] <... mprotect resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 9311] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9309] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 9311] <... symlink resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9311] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9309] <... clone resumed>, parent_tid=[9313], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9313
[pid 5074] getdents64(4, <unfinished ...>
[pid 9311] <... futex resumed>) = 0
[pid 9309] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9309] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9311] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9309] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9311] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9311] <... mprotect resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9311] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./174/file0" <unfinished ...>
[pid 9311] <... clone resumed>, parent_tid=[9314], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9314
[pid 9311] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9313 attached
[pid 9311] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9311] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9314 attached
<unfinished ...>
[pid 9313] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9314] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9313] <... set_robust_list resumed>) = 0
[pid 5074] close(3) = 0
[pid 9314] <... set_robust_list resumed>) = 0
[pid 9313] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] rmdir("./174" <unfinished ...>
[pid 9314] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9313] <... memfd_create resumed>) = 3
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9314] <... memfd_create resumed>) = 3
[pid 9313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] mkdir("./175", 0777 <unfinished ...>
[pid 9314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9313] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... mkdir resumed>) = 0
[pid 9314] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] lstat("./177/file0", <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5075] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5074] <... close resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9315
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./177/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./177") = 0
[pid 5075] mkdir("./178", 0777./strace-static-x86_64: Process 9315 attached
) = 0
[pid 9315] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9315] <... set_robust_list resumed>) = 0
[pid 9314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9315] chdir("./175" <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9315] <... chdir resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9315] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9315] <... prctl resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9315] setpgid(0, 0 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9315] <... setpgid resumed>) = 0
[pid 9315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9316
[pid 5070] <... umount2 resumed>) = 0
[pid 9315] <... openat resumed>) = 3
[pid 9315] write(3, "1000", 4) = 4
[pid 9315] close(3) = 0
[pid 9315] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 9316 attached
) = 0
[pid 9316] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9315] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9316] <... set_robust_list resumed>) = 0
[pid 9315] <... futex resumed>) = 0
[pid 9316] chdir("./178" <unfinished ...>
[pid 9315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9312] <... write resumed>) = 2097152
[pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9316] <... chdir resumed>) = 0
[pid 9315] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9312] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9316] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9315] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9316] <... prctl resumed>) = 0
[pid 9315] <... mprotect resumed>) = 0
[pid 9316] setpgid(0, 0 <unfinished ...>
[pid 9315] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9312] <... munmap resumed>) = 0
[pid 9316] <... setpgid resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9315] <... clone resumed>, parent_tid=[9317], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9317
[pid 9316] <... openat resumed>) = 3
[pid 9315] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] lstat("./173/file0", ./strace-static-x86_64: Process 9317 attached
<unfinished ...>
[pid 9316] write(3, "1000", 4 <unfinished ...>
[pid 9315] <... futex resumed>) = 0
[pid 9312] <... openat resumed>) = 4
[pid 9317] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9316] <... write resumed>) = 4
[pid 9315] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9317] <... set_robust_list resumed>) = 0
[pid 9316] close(3 <unfinished ...>
[pid 9312] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9317] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9316] <... close resumed>) = 0
[pid 9316] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9316] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9316] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9316] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9319 attached
<unfinished ...>
[pid 9317] <... memfd_create resumed>) = 3
[pid 9316] <... clone resumed>, parent_tid=[9319], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9319
[pid 9313] <... write resumed>) = 2097152
[pid 9312] <... ioctl resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9319] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9313] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9312] close(3 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9319] <... set_robust_list resumed>) = 0
[pid 9317] <... mmap resumed>) = 0x7fe424ef8000
[pid 9316] <... futex resumed>) = 0
[pid 9313] <... munmap resumed>) = 0
[pid 9312] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 4
[pid 9319] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9314] <... write resumed>) = 2097152
[pid 9313] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9312] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 9314] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9313] <... openat resumed>) = 4
[pid 9312] <... mkdir resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9319] <... memfd_create resumed>) = 3
[pid 9314] <... munmap resumed>) = 0
[pid 9313] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9312] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9314] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 9314] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9319] <... mmap resumed>) = 0x7fe424ef8000
[pid 9313] <... ioctl resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 232.031733][ T9312] loop1: detected capacity change from 0 to 4096
[ 232.060625][ T9313] loop2: detected capacity change from 0 to 4096
[ 232.065706][ T9314] loop3: detected capacity change from 0 to 4096
[pid 9314] <... ioctl resumed>) = 0
[pid 9314] close(3) = 0
[pid 9314] mkdir("./file0", 0777 <unfinished ...>
[pid 9313] close(3 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9314] <... mkdir resumed>) = 0
[pid 9314] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9313] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9313] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9313] <... mkdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9313] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] rmdir("./173/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[ 232.082482][ T9312] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 232.109396][ T9313] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 232.119053][ T9314] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9317] <... write resumed>) = 2097152
[pid 5070] rmdir("./173" <unfinished ...>
[pid 9319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9317] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5070] mkdir("./174", 0777 <unfinished ...>
[pid 9317] <... munmap resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9317] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9317] <... openat resumed>) = 4
[pid 9317] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9317] <... ioctl resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9317] close(3) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9317] mkdir("./file0", 0777) = 0
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[ 232.123594][ T9312] NILFS (loop1): trying rollback from an earlier position
[ 232.141745][ T9313] NILFS (loop2): trying rollback from an earlier position
[ 232.149513][ T9317] loop4: detected capacity change from 0 to 4096
[ 232.158410][ T9314] NILFS (loop3): trying rollback from an earlier position
[ 232.170211][ T9313] NILFS (loop2): recovery complete
[ 232.172097][ T9312] NILFS (loop1): recovery complete
[pid 9317] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9320 attached
<unfinished ...>
[pid 9319] <... write resumed>) = 2097152
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9320
[pid 9320] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9319] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9320] <... set_robust_list resumed>) = 0
[pid 9320] chdir("./174" <unfinished ...>
[pid 9319] <... munmap resumed>) = 0
[pid 9320] <... chdir resumed>) = 0
[pid 9319] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9320] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9319] <... openat resumed>) = 4
[pid 9320] <... prctl resumed>) = 0
[pid 9319] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9320] setpgid(0, 0) = 0
[pid 9320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9320] write(3, "1000", 4) = 4
[pid 9320] close(3) = 0
[pid 9320] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9320] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[ 232.191150][ T9317] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 232.203286][ T9317] NILFS (loop4): trying rollback from an earlier position
[ 232.210012][ T9319] loop5: detected capacity change from 0 to 4096
[ 232.212433][ T9314] NILFS (loop3): recovery complete
[ 232.222700][ T9321] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9320] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9313] <... mount resumed>) = 0
[pid 9312] <... mount resumed>) = 0
[pid 9320] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9313] <... openat resumed>) = 3
[pid 9320] <... clone resumed>, parent_tid=[9324], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9324
[pid 9313] chdir("./file0" <unfinished ...>
[pid 9320] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9313] <... chdir resumed>) = 0
[pid 9320] <... futex resumed>) = 0
[pid 9313] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9320] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9313] <... ioctl resumed>) = 0
[pid 9313] close(4./strace-static-x86_64: Process 9324 attached
) = 0
[pid 9312] <... openat resumed>) = 3
[pid 9324] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9317] <... mount resumed>) = 0
[pid 9313] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] chdir("./file0" <unfinished ...>
[pid 9319] <... ioctl resumed>) = 0
[pid 9324] <... set_robust_list resumed>) = 0
[pid 9319] close(3 <unfinished ...>
[pid 9317] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9314] <... mount resumed>) = 0
[pid 9313] <... futex resumed>) = 1
[pid 9312] <... chdir resumed>) = 0
[pid 9309] <... futex resumed>) = 0
[pid 9313] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9309] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9309] <... futex resumed>) = 0
[pid 9313] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9309] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9324] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9319] <... close resumed>) = 0
[pid 9317] <... openat resumed>) = 3
[pid 9314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[ 232.228079][ T9322] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 232.247212][ T9317] NILFS (loop4): recovery complete
[ 232.254274][ T9325] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 232.269593][ T9323] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9312] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9324] <... memfd_create resumed>) = 3
[pid 9319] mkdir("./file0", 0777 <unfinished ...>
[pid 9317] chdir("./file0" <unfinished ...>
[pid 9314] <... openat resumed>) = 3
[pid 9313] <... openat resumed>) = 4
[pid 9312] <... ioctl resumed>) = 0
[pid 9324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9314] chdir("./file0" <unfinished ...>
[pid 9312] close(4 <unfinished ...>
[pid 9319] <... mkdir resumed>) = 0
[pid 9314] <... chdir resumed>) = 0
[pid 9312] <... close resumed>) = 0
[pid 9317] <... chdir resumed>) = 0
[pid 9324] <... mmap resumed>) = 0x7fe424ef8000
[pid 9319] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9317] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9314] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9313] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] <... ioctl resumed>) = 0
[pid 9312] <... futex resumed>) = 1
[pid 9310] <... futex resumed>) = 0
[pid 9314] close(4 <unfinished ...>
[pid 9312] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9310] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] <... close resumed>) = 0
[pid 9312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9310] <... futex resumed>) = 0
[pid 9314] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9310] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9317] <... ioctl resumed>) = 0
[pid 9314] <... futex resumed>) = 1
[pid 9311] <... futex resumed>) = 0
[pid 9313] <... futex resumed>) = 1
[pid 9309] <... futex resumed>) = 0
[pid 9317] close(4 <unfinished ...>
[pid 9314] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9311] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9317] <... close resumed>) = 0
[pid 9314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9313] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9311] <... futex resumed>) = 0
[pid 9309] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9311] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9309] <... futex resumed>) = 0
[pid 9317] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9309] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9312] <... openat resumed>) = 4
[pid 9317] <... futex resumed>) = 1
[pid 9315] <... futex resumed>) = 0
[pid 9317] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9315] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9315] <... futex resumed>) = 0
[pid 9314] <... openat resumed>) = 4
[pid 9312] <... futex resumed>) = 1
[pid 9310] <... futex resumed>) = 0
[pid 9315] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9314] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9310] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9317] <... openat resumed>) = 4
[pid 9314] <... futex resumed>) = 1
[pid 9312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9311] <... futex resumed>) = 0
[pid 9310] <... futex resumed>) = 0
[pid 9317] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9312] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9311] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9310] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9317] <... futex resumed>) = 1
[pid 9315] <... futex resumed>) = 0
[pid 9314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9311] <... futex resumed>) = 0
[pid 9315] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9311] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9317] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9315] <... futex resumed>) = 0
[pid 9315] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9309] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid 9309] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9309] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9309] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9326], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9326
[pid 9309] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 9326 attached
[pid 9326] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9326] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9309] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9326] <... mmap resumed>) = 0x20000000
[pid 9326] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9309] <... futex resumed>) = 0
[pid 9326] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9315] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9311] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9310] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9315] <... futex resumed>) = 0
[pid 9311] <... futex resumed>) = 0
[pid 9310] <... futex resumed>) = 0
[pid 9315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9315] <... mmap resumed>) = 0x7fe4250d7000
[pid 9311] <... mmap resumed>) = 0x7fe4250d7000
[pid 9315] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9311] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9310] <... mmap resumed>) = 0x7fe4250d7000
[pid 9315] <... mprotect resumed>) = 0
[pid 9313] <... write resumed>) = 126976
[pid 9311] <... mprotect resumed>) = 0
[pid 9310] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9315] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9313] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9311] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9310] <... mprotect resumed>) = 0
[pid 9313] <... futex resumed>) = 0
[pid 9310] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9315] <... clone resumed>, parent_tid=[9327], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9327
[pid 9313] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9311] <... clone resumed>, parent_tid=[9328], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9328
[pid 9315] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9311] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9310] <... clone resumed>, parent_tid=[9329], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9329
./strace-static-x86_64: Process 9327 attached
[pid 9315] <... futex resumed>) = 0
[pid 9311] <... futex resumed>) = 0
[pid 9310] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9309] exit_group(0 <unfinished ...>
[pid 9327] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9326] <... futex resumed>) = ?
[pid 9315] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9313] <... futex resumed>) = ?
[pid 9311] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9310] <... futex resumed>) = 0
[pid 9309] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 9329 attached
./strace-static-x86_64: Process 9328 attached
[pid 9327] <... set_robust_list resumed>) = 0
[ 232.348206][ T9319] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 232.376712][ T9319] NILFS (loop5): trying rollback from an earlier position
[pid 9326] +++ exited with 0 +++
[pid 9313] +++ exited with 0 +++
[pid 9310] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9309] +++ exited with 0 +++
[pid 9329] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9328] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9327] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9327] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9315] <... futex resumed>) = 0
[pid 9327] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9309, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9329] <... set_robust_list resumed>) = 0
[pid 9328] <... set_robust_list resumed>) = 0
[pid 5072] <... restart_syscall resumed>) = 0
[pid 9329] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9328] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9329] <... mmap resumed>) = 0x20000000
[pid 9328] <... mmap resumed>) = 0x20000000
[pid 9324] <... write resumed>) = 2097152
[pid 5072] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9329] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9328] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9324] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9329] <... futex resumed>) = 1
[pid 9328] <... futex resumed>) = 0
[ 232.462725][ T9319] NILFS (loop5): recovery complete
[pid 9324] <... munmap resumed>) = 0
[pid 9310] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9329] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9328] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9324] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9324] <... openat resumed>) = 4
[pid 5072] fstat(3, <unfinished ...>
[pid 9324] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9319] <... mount resumed>) = 0
[pid 9317] <... write resumed>) = 184320
[pid 5072] getdents64(3, <unfinished ...>
[pid 9319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9317] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9315] exit_group(0 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9327] <... futex resumed>) = ?
[pid 9319] <... openat resumed>) = 3
[pid 9317] <... futex resumed>) = ?
[pid 9315] <... exit_group resumed>) = ?
[pid 5072] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9327] +++ exited with 0 +++
[pid 9319] chdir("./file0" <unfinished ...>
[pid 9317] +++ exited with 0 +++
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9315] +++ exited with 0 +++
[pid 5072] lstat("./176/binderfs", <unfinished ...>
[pid 9319] <... chdir resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9319] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9315, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] unlink("./176/binderfs" <unfinished ...>
[pid 9319] <... ioctl resumed>) = 0
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9319] close(4 <unfinished ...>
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9324] <... ioctl resumed>) = 0
[pid 9319] <... close resumed>) = 0
[pid 9324] close(3) = 0
[pid 9319] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9324] mkdir("./file0", 0777 <unfinished ...>
[pid 9319] <... futex resumed>) = 1
[pid 9316] <... futex resumed>) = 0
[pid 5074] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9324] <... mkdir resumed>) = 0
[pid 9319] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9324] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9316] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9319] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[ 232.490680][ T9330] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 232.497118][ T9324] loop0: detected capacity change from 0 to 4096
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9319] <... openat resumed>) = 4
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9319] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] <... write resumed>) = 208896
[pid 5074] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9319] <... futex resumed>) = 1
[pid 9316] <... futex resumed>) = 0
[pid 9314] <... write resumed>) = 290816
[pid 9312] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9310] exit_group(0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = 0
[pid 9329] <... futex resumed>) = ?
[pid 9319] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9314] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9312] <... futex resumed>) = ?
[pid 9310] <... exit_group resumed>) = ?
[pid 5074] lstat("./175/binderfs", <unfinished ...>
[pid 9329] +++ exited with 0 +++
[pid 9319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9316] <... futex resumed>) = 0
[pid 9314] <... futex resumed>) = 0
[pid 9312] +++ exited with 0 +++
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9319] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9311] exit_group(0 <unfinished ...>
[pid 5074] unlink("./175/binderfs" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9328] <... futex resumed>) = ?
[pid 9311] <... exit_group resumed>) = ?
[pid 9310] +++ exited with 0 +++
[pid 5074] <... unlink resumed>) = 0
[pid 5072] lstat("./176/file0", <unfinished ...>
[pid 9328] +++ exited with 0 +++
[pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9314] +++ exited with 0 +++
[pid 9311] +++ exited with 0 +++
[pid 5072] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9310, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9311, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5072] <... openat resumed>) = 4
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... close resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] rmdir("./176/file0" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./177/binderfs", <unfinished ...>
[pid 5072] rmdir("./176" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] unlink("./177/binderfs" <unfinished ...>
[pid 5072] mkdir("./177", 0777 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] getdents64(3, <unfinished ...>
[ 232.583262][ T9324] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9331
[pid 9316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9316] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9316] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9316] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9332], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9332
[pid 9316] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9332 attached
) = 0
[pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9331 attached
<unfinished ...>
[pid 9332] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9316] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9332] <... set_robust_list resumed>) = 0
[pid 9331] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9331] <... set_robust_list resumed>) = 0
[pid 9331] chdir("./177") = 0
[pid 9331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9331] setpgid(0, 0) = 0
[pid 9331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9331] write(3, "1000", 4) = 4
[pid 9331] close(3) = 0
[pid 9331] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9331] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9332] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9331] <... futex resumed>) = 0
[pid 5074] lstat("./175/file0", <unfinished ...>
[pid 5071] lstat("./174/binderfs", <unfinished ...>
[pid 9331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9331] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9332] <... mmap resumed>) = 0x20000000
[pid 9331] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9331] <... mprotect resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9332] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9331] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] unlink("./174/binderfs" <unfinished ...>
[pid 9332] <... futex resumed>) = 1
[pid 9316] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 9331] <... clone resumed>, parent_tid=[9333], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9333
[pid 5071] <... unlink resumed>) = 0
[pid 9332] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9331] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9331] <... futex resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9331] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9333 attached
[pid 5074] close(4 <unfinished ...>
[pid 9333] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./175/file0" <unfinished ...>
[pid 9333] <... set_robust_list resumed>) = 0
[pid 9333] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9333] <... memfd_create resumed>) = 3
[pid 9333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9333] <... mmap resumed>) = 0x7fe424ef8000
[ 232.633566][ T9324] NILFS (loop0): trying rollback from an earlier position
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./175") = 0
[pid 5074] mkdir("./176", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9334
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9334 attached
[pid 5073] lstat("./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9334] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9334] chdir("./176" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9334] <... chdir resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[ 232.718176][ T9324] NILFS (loop0): recovery complete
[pid 9334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9324] <... mount resumed>) = 0
[pid 9319] <... write resumed>) = 208896
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9334] setpgid(0, 0 <unfinished ...>
[pid 9324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9319] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9324] <... openat resumed>) = 3
[pid 9319] <... futex resumed>) = 0
[pid 9324] chdir("./file0" <unfinished ...>
[pid 9319] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9324] <... chdir resumed>) = 0
[pid 9324] ioctl(4, LOOP_CLR_FD) = 0
[pid 9324] close(4 <unfinished ...>
[pid 9334] <... setpgid resumed>) = 0
[pid 9324] <... close resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9320] <... futex resumed>) = 0
[pid 9316] exit_group(0 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9332] <... futex resumed>) = ?
[pid 9320] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9319] <... futex resumed>) = ?
[pid 9316] <... exit_group resumed>) = ?
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] lstat("./174/file0", <unfinished ...>
[pid 9334] <... openat resumed>) = 3
[pid 9332] +++ exited with 0 +++
[pid 9324] <... futex resumed>) = 0
[pid 9320] <... futex resumed>) = 1
[pid 9319] +++ exited with 0 +++
[pid 9324] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9316] +++ exited with 0 +++
[pid 9320] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9316, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9334] write(3, "1000", 4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9334] <... write resumed>) = 4
[pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9334] close(3 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9334] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9334] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] rmdir("./177/file0" <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 9334] <... symlink resumed>) = 0
[pid 5075] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9334] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9334] <... futex resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9334] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9334] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] rmdir("./177" <unfinished ...>
[pid 9334] <... mprotect resumed>) = 0
[pid 5075] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9334] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] unlink("./178/binderfs" <unfinished ...>
[pid 5073] mkdir("./178", 0777 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5075] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9334] <... clone resumed>, parent_tid=[9336], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9336
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9334] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9334] <... futex resumed>) = 0
[pid 9324] <... openat resumed>) = 4
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 9334] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9324] <... futex resumed>) = 1
[pid 9320] <... futex resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] rmdir("./174/file0" <unfinished ...>
[pid 9324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9320] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(3./strace-static-x86_64: Process 9336 attached
<unfinished ...>
[pid 9324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 232.748523][ T9335] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9336] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9336] <... set_robust_list resumed>) = 0
[pid 9333] <... write resumed>) = 2097152
[pid 9320] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9336] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9333] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9320] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9336] <... memfd_create resumed>) = 3
[pid 9336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9333] <... munmap resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9337 attached
[pid 9333] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9337
[pid 5071] close(3) = 0
[pid 9333] <... openat resumed>) = 4
[pid 5071] rmdir("./174" <unfinished ...>
[pid 9333] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9337] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5071] mkdir("./175", 0777 <unfinished ...>
[pid 9337] <... set_robust_list resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9337] chdir("./178" <unfinished ...>
[pid 9333] <... ioctl resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9337] <... chdir resumed>) = 0
[pid 9336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9333] close(3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9333] <... close resumed>) = 0
[pid 5075] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9337] setpgid(0, 0 <unfinished ...>
[pid 9333] mkdir("./file0", 0777 <unfinished ...>
[pid 9337] <... setpgid resumed>) = 0
[pid 9333] <... mkdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] lstat("./178/file0", <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[ 232.841675][ T9333] loop2: detected capacity change from 0 to 4096
[pid 9333] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9337] <... openat resumed>) = 3
[pid 9320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... close resumed>) = 0
[pid 9320] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9337] write(3, "1000", 4 <unfinished ...>
[pid 5075] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9320] <... mmap resumed>) = 0x7fe4250d7000
[pid 9320] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9337] <... write resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9337] close(3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9338
[pid 9337] <... close resumed>) = 0
[pid 9320] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 9337] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9320] <... clone resumed>, parent_tid=[9339], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9339
[pid 9337] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9320] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 9337] <... futex resumed>) = 0
[pid 9320] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9320] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9337] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9337] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9337] <... mprotect resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9337] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] close(4) = 0
[pid 9337] <... clone resumed>, parent_tid=[9340], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9340
[pid 5075] rmdir("./178/file0" <unfinished ...>
[pid 9337] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9337] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9337] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./178") = 0
[pid 5075] mkdir("./179", 0777./strace-static-x86_64: Process 9339 attached
<unfinished ...>
[pid 9339] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9339] <... set_robust_list resumed>) = 0
[pid 9339] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
./strace-static-x86_64: Process 9340 attached
./strace-static-x86_64: Process 9338 attached
[pid 9336] <... write resumed>) = 2097152
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9340] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9338] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9336] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9340] <... set_robust_list resumed>) = 0
[pid 9339] <... mmap resumed>) = 0x20000000
[pid 9338] <... set_robust_list resumed>) = 0
[pid 9339] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9336] <... munmap resumed>) = 0
[pid 9320] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9339] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9338] chdir("./175" <unfinished ...>
[pid 9340] memfd_create("syzkaller", 0) = 3
[pid 9338] <... chdir resumed>) = 0
[ 232.892866][ T9333] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 232.928312][ T9333] NILFS (loop2): trying rollback from an earlier position
[pid 9336] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9338] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9336] <... openat resumed>) = 4
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9340] <... mmap resumed>) = 0x7fe424ef8000
[pid 9338] <... prctl resumed>) = 0
[pid 9336] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9338] setpgid(0, 0 <unfinished ...>
[pid 9336] <... ioctl resumed>) = 0
[pid 9333] <... mount resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9342
[pid 9338] <... setpgid resumed>) = 0
[pid 9336] close(3 <unfinished ...>
[pid 9333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9336] <... close resumed>) = 0
./strace-static-x86_64: Process 9342 attached
[pid 9338] <... openat resumed>) = 3
[pid 9336] mkdir("./file0", 0777 <unfinished ...>
[pid 9333] <... openat resumed>) = 3
[pid 9324] <... write resumed>) = 344064
[pid 9342] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9338] write(3, "1000", 4 <unfinished ...>
[pid 9333] chdir("./file0" <unfinished ...>
[pid 9324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9342] <... set_robust_list resumed>) = 0
[pid 9338] <... write resumed>) = 4
[pid 9336] <... mkdir resumed>) = 0
[pid 9333] <... chdir resumed>) = 0
[pid 9324] <... futex resumed>) = 0
[pid 9342] chdir("./179" <unfinished ...>
[pid 9338] close(3 <unfinished ...>
[pid 9336] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9333] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9320] exit_group(0 <unfinished ...>
[pid 9342] <... chdir resumed>) = 0
[pid 9339] <... futex resumed>) = ?
[pid 9338] <... close resumed>) = 0
[pid 9333] <... ioctl resumed>) = 0
[pid 9324] <... futex resumed>) = ?
[pid 9320] <... exit_group resumed>) = ?
[pid 9342] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9339] +++ exited with 0 +++
[pid 9338] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9333] close(4 <unfinished ...>
[pid 9324] +++ exited with 0 +++
[pid 9342] <... prctl resumed>) = 0
[pid 9338] <... symlink resumed>) = 0
[pid 9333] <... close resumed>) = 0
[pid 9320] +++ exited with 0 +++
[pid 9338] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9320, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
[pid 9342] setpgid(0, 0 <unfinished ...>
[pid 9338] <... futex resumed>) = 0
[pid 9333] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9342] <... setpgid resumed>) = 0
[pid 9338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9333] <... futex resumed>) = 1
[pid 9331] <... futex resumed>) = 0
[pid 9342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9338] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9333] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9331] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9342] <... openat resumed>) = 3
[pid 9338] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9331] <... futex resumed>) = 0
[ 232.948810][ T9333] NILFS (loop2): recovery complete
[ 232.963250][ T9341] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 232.978524][ T9336] loop4: detected capacity change from 0 to 4096
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9342] write(3, "1000", 4 <unfinished ...>
[pid 9340] <... write resumed>) = 2097152
[pid 9338] <... mprotect resumed>) = 0
[pid 9333] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9331] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9342] <... write resumed>) = 4
[pid 9340] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9338] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9333] <... openat resumed>) = 4
[pid 9342] close(3 <unfinished ...>
[pid 9340] <... munmap resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9342] <... close resumed>) = 0
[pid 9340] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9342] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9340] <... openat resumed>) = 4
./strace-static-x86_64: Process 9343 attached
[pid 9342] <... symlink resumed>) = 0
[pid 9340] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9333] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9343] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9342] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] <... clone resumed>, parent_tid=[9343], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9343
[pid 9333] <... futex resumed>) = 1
[pid 9331] <... futex resumed>) = 0
[pid 9343] <... set_robust_list resumed>) = 0
[pid 9342] <... futex resumed>) = 0
[pid 9331] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9331] <... futex resumed>) = 0
[pid 9342] <... mmap resumed>) = 0x7fe42d2f8000
[ 233.014137][ T9336] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 233.040164][ T9336] NILFS (loop4): trying rollback from an earlier position
[ 233.051754][ T9340] loop3: detected capacity change from 0 to 4096
[pid 9331] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9342] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9343] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9342] <... mprotect resumed>) = 0
[pid 9338] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9333] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9343] <... memfd_create resumed>) = 3
[pid 9342] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9338] <... futex resumed>) = 0
[pid 9342] <... clone resumed>, parent_tid=[9345], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9345
[pid 9342] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9342] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9340] <... ioctl resumed>) = 0
[pid 9340] close(3) = 0
[pid 9340] mkdir("./file0", 0777 <unfinished ...>
[pid 9343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9345 attached
[pid 9338] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9345] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9343] <... mmap resumed>) = 0x7fe424ef8000
[pid 9340] <... mkdir resumed>) = 0
[pid 9336] <... mount resumed>) = 0
[pid 5070] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9345] <... set_robust_list resumed>) = 0
[pid 9340] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9336] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9345] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9336] <... openat resumed>) = 3
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9345] <... memfd_create resumed>) = 3
[pid 9336] chdir("./file0" <unfinished ...>
[pid 5070] lstat("./174/binderfs", <unfinished ...>
[pid 9345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9336] <... chdir resumed>) = 0
[pid 9345] <... mmap resumed>) = 0x7fe424ef8000
[pid 9336] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9331] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9336] <... ioctl resumed>) = 0
[pid 9331] <... futex resumed>) = 0
[ 233.060221][ T9336] NILFS (loop4): recovery complete
[ 233.077566][ T9344] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] unlink("./174/binderfs" <unfinished ...>
[pid 9345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9336] close(4 <unfinished ...>
[pid 9331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5070] <... unlink resumed>) = 0
[pid 9336] <... close resumed>) = 0
[pid 9331] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9336] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9331] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9336] <... futex resumed>) = 1
[pid 9334] <... futex resumed>) = 0
[pid 9336] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9334] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9331] <... clone resumed>, parent_tid=[9346], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9346
[pid 9336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9334] <... futex resumed>) = 0
[pid 9331] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9336] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9334] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9331] <... futex resumed>) = 0
[pid 9331] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9346 attached
<unfinished ...>
[pid 9336] <... openat resumed>) = 4
[pid 9346] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9336] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9346] <... set_robust_list resumed>) = 0
[pid 9346] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9336] <... futex resumed>) = 1
[pid 9334] <... futex resumed>) = 0
[pid 9346] <... mmap resumed>) = 0x20000000
[pid 9334] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9346] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9336] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9334] <... futex resumed>) = 0
[pid 9346] <... futex resumed>) = 1
[pid 9331] <... futex resumed>) = 0
[pid 9346] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 233.120798][ T9340] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 233.158573][ T9340] NILFS (loop3): trying rollback from an earlier position
[pid 9334] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid 9343] <... write resumed>) = 2097152
[pid 9334] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9343] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9334] <... futex resumed>) = 0
[pid 9345] <... write resumed>) = 2097152
[pid 9343] <... munmap resumed>) = 0
[pid 9334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9345] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9343] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9334] <... mmap resumed>) = 0x7fe4250d7000
[pid 9345] <... munmap resumed>) = 0
[pid 9343] <... openat resumed>) = 4
[pid 9334] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9345] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9343] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9334] <... mprotect resumed>) = 0
[pid 9345] <... openat resumed>) = 4
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9345] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9334] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9343] <... ioctl resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9345] <... ioctl resumed>) = 0
[pid 9343] close(3./strace-static-x86_64: Process 9347 attached
<unfinished ...>
[pid 9345] close(3 <unfinished ...>
[pid 9343] <... close resumed>) = 0
[pid 9334] <... clone resumed>, parent_tid=[9347], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9347
[pid 5070] lstat("./174/file0", <unfinished ...>
[pid 9347] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9345] <... close resumed>) = 0
[pid 9343] mkdir("./file0", 0777 <unfinished ...>
[pid 9334] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9347] <... set_robust_list resumed>) = 0
[pid 9345] mkdir("./file0", 0777 <unfinished ...>
[pid 9343] <... mkdir resumed>) = 0
[pid 9334] <... futex resumed>) = 0
[pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9347] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9345] <... mkdir resumed>) = 0
[pid 9343] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9334] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9347] <... mmap resumed>) = 0x20000000
[pid 9345] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9347] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9347] <... futex resumed>) = 1
[pid 9334] <... futex resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9347] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[ 233.238649][ T9343] loop1: detected capacity change from 0 to 4096
[ 233.247346][ T9345] loop5: detected capacity change from 0 to 4096
[ 233.275641][ T9340] NILFS (loop3): recovery complete
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./174/file0") = 0
[pid 9333] <... write resumed>) = 274432
[pid 5070] getdents64(3, <unfinished ...>
[pid 9333] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9333] <... futex resumed>) = 0
[pid 9331] exit_group(0 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9346] <... futex resumed>) = ?
[pid 9331] <... exit_group resumed>) = ?
[pid 5070] <... close resumed>) = 0
[pid 9346] +++ exited with 0 +++
[pid 5070] rmdir("./174") = 0
[pid 5070] mkdir("./175", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 9333] +++ exited with 0 +++
[pid 9331] +++ exited with 0 +++
[pid 5070] close(3 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9331, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9349
[ 233.285730][ T9345] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 233.301172][ T9343] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 233.309812][ T9345] NILFS (loop5): trying rollback from an earlier position
[ 233.319744][ T9343] NILFS (loop1): trying rollback from an earlier position
[pid 9340] <... mount resumed>) = 0
[pid 5072] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9349 attached
<unfinished ...>
[pid 9340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9349] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9340] <... openat resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9349] <... set_robust_list resumed>) = 0
[pid 9340] chdir("./file0" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9349] chdir("./175" <unfinished ...>
[pid 9340] <... chdir resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9340] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9340] <... ioctl resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9340] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9349] <... chdir resumed>) = 0
[pid 9340] <... close resumed>) = 0
[pid 5072] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9340] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9340] <... futex resumed>) = 1
[pid 5072] lstat("./177/binderfs", <unfinished ...>
[pid 9340] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9349] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9337] <... futex resumed>) = 0
[pid 5072] unlink("./177/binderfs" <unfinished ...>
[pid 9349] <... prctl resumed>) = 0
[pid 9337] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9349] setpgid(0, 0) = 0
[pid 9340] <... futex resumed>) = 0
[ 233.332108][ T9348] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 233.357953][ T9345] NILFS (loop5): recovery complete
[ 233.364282][ T9343] NILFS (loop1): recovery complete
[pid 9337] <... futex resumed>) = 1
[pid 9349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9340] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9337] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9349] <... openat resumed>) = 3
[pid 9349] write(3, "1000", 4 <unfinished ...>
[pid 9345] <... mount resumed>) = 0
[pid 9343] <... mount resumed>) = 0
[pid 9340] <... openat resumed>) = 4
[pid 9349] <... write resumed>) = 4
[pid 9345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9343] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9349] close(3 <unfinished ...>
[pid 9345] <... openat resumed>) = 3
[pid 9349] <... close resumed>) = 0
[pid 9345] chdir("./file0" <unfinished ...>
[pid 9343] <... openat resumed>) = 3
[pid 9340] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 9349] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9345] <... chdir resumed>) = 0
[pid 9343] chdir("./file0" <unfinished ...>
[pid 9340] <... futex resumed>) = 1
[pid 9337] <... futex resumed>) = 0
[pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9349] <... symlink resumed>) = 0
[pid 9345] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9343] <... chdir resumed>) = 0
[pid 9340] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9337] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9349] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9345] <... ioctl resumed>) = 0
[pid 9343] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9337] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9349] <... futex resumed>) = 0
[pid 9345] close(4 <unfinished ...>
[pid 9343] <... ioctl resumed>) = 0
[pid 9340] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9337] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9336] <... write resumed>) = 368640
[pid 5072] lstat("./177/file0", <unfinished ...>
[pid 9349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9345] <... close resumed>) = 0
[pid 9343] close(4 <unfinished ...>
[pid 9336] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9349] <... mmap resumed>) = 0x7fe42d2f8000
[ 233.396963][ T9350] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 233.397615][ T9351] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9345] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9343] <... close resumed>) = 0
[pid 9336] <... futex resumed>) = 0
[pid 9334] exit_group(0 <unfinished ...>
[pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9349] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9347] <... futex resumed>) = ?
[pid 9345] <... futex resumed>) = 1
[pid 9343] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9342] <... futex resumed>) = 0
[pid 9334] <... exit_group resumed>) = ?
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9349] <... mprotect resumed>) = 0
[pid 9347] +++ exited with 0 +++
[pid 9345] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9343] <... futex resumed>) = 1
[pid 9342] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] <... futex resumed>) = 0
[pid 9336] +++ exited with 0 +++
[pid 5072] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9349] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9343] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9338] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9345] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9342] <... futex resumed>) = 0
[pid 9338] <... futex resumed>) = 0
[pid 9334] +++ exited with 0 +++
[pid 5072] fstat(4, <unfinished ...>
[pid 9349] <... clone resumed>, parent_tid=[9352], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9352
[pid 9343] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9342] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9338] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9349] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9345] <... openat resumed>) = 4
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9334, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5072] getdents64(4, <unfinished ...>
[pid 9343] <... openat resumed>) = 4
[pid 9349] <... futex resumed>) = 0
[pid 9345] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9343] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9349] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9345] <... futex resumed>) = 1
[pid 9343] <... futex resumed>) = 1
[pid 9342] <... futex resumed>) = 0
[pid 9338] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] getdents64(4, <unfinished ...>
[pid 9345] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9343] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9342] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9342] <... futex resumed>) = 0
[pid 9338] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5072] close(4 <unfinished ...>
[pid 9345] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9343] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9342] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9338] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./177/file0" <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] close(3 <unfinished ...>
[pid 5074] lstat("./176/binderfs", <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./177" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] unlink("./176/binderfs" <unfinished ...>
[pid 5072] mkdir("./178", 0777 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9353
./strace-static-x86_64: Process 9353 attached
[pid 9353] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9353] chdir("./178") = 0
[pid 9353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9353] setpgid(0, 0) = 0
[pid 9353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 9352 attached
[pid 9353] write(3, "1000", 4 <unfinished ...>
[pid 9337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9353] <... write resumed>) = 4
[pid 9352] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9337] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] close(3 <unfinished ...>
[pid 9352] <... set_robust_list resumed>) = 0
[pid 9337] <... futex resumed>) = 0
[pid 9353] <... close resumed>) = 0
[pid 9352] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9353] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9352] <... memfd_create resumed>) = 3
[pid 9337] <... mmap resumed>) = 0x7fe4250d7000
[pid 9353] <... symlink resumed>) = 0
[pid 9352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9337] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9353] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9352] <... mmap resumed>) = 0x7fe424ef8000
[pid 9337] <... mprotect resumed>) = 0
[pid 9353] <... futex resumed>) = 0
[pid 9337] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9337] <... clone resumed>, parent_tid=[9354], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9354
[pid 9353] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9337] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] <... mprotect resumed>) = 0
[pid 9337] <... futex resumed>) = 0
[pid 9353] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9337] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9353] <... clone resumed>, parent_tid=[9355], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9355
./strace-static-x86_64: Process 9354 attached
[pid 9353] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9354] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9353] <... futex resumed>) = 0
[pid 9354] <... set_robust_list resumed>) = 0
[pid 9353] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9354] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9338] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9354] <... mmap resumed>) = 0x20000000
[pid 9338] <... futex resumed>) = 0
[pid 9342] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9355 attached
<unfinished ...>
[pid 9342] <... futex resumed>) = 0
[pid 9338] <... mmap resumed>) = 0x7fe4250d7000
[pid 9354] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9338] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9354] <... futex resumed>) = 1
[pid 9342] <... mmap resumed>) = 0x7fe4250d7000
[pid 9338] <... mprotect resumed>) = 0
[pid 9337] <... futex resumed>) = 0
[pid 9354] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9342] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9338] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9355] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9342] <... mprotect resumed>) = 0
[pid 9340] <... write resumed>) = 102400
[pid 9355] <... set_robust_list resumed>) = 0
[pid 9342] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9340] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] <... clone resumed>, parent_tid=[9356], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9356
[pid 9337] exit_group(0 <unfinished ...>
[pid 9355] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9354] <... futex resumed>) = ?
[pid 9352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9340] <... futex resumed>) = ?
[pid 9338] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9337] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 9356 attached
./strace-static-x86_64: Process 9357 attached
[pid 9355] <... memfd_create resumed>) = 3
[pid 9354] +++ exited with 0 +++
[pid 9342] <... clone resumed>, parent_tid=[9357], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9357
[pid 9340] +++ exited with 0 +++
[pid 9338] <... futex resumed>) = 0
[pid 9337] +++ exited with 0 +++
[pid 9357] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9356] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9342] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9356] <... set_robust_list resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9337, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9356] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9357] <... set_robust_list resumed>) = 0
[pid 9356] <... mmap resumed>) = 0x20000000
[pid 9355] <... mmap resumed>) = 0x7fe424ef8000
[pid 9342] <... futex resumed>) = 0
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9356] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9338] <... futex resumed>) = 0
[pid 9356] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./178/binderfs") = 0
[pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9342] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9357] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5074] <... umount2 resumed>) = 0
[pid 9357] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9357] <... futex resumed>) = 1
[pid 9342] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9357] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] lstat("./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./176/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 9352] <... write resumed>) = 2097152
[pid 5074] rmdir("./176") = 0
[pid 5074] mkdir("./177", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9352] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9352] <... munmap resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9352] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9352] <... openat resumed>) = 4
[pid 5074] close(3 <unfinished ...>
[pid 9352] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9343] <... write resumed>) = 274432
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9343] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9338] exit_group(0 <unfinished ...>
[pid 9356] <... futex resumed>) = ?
[pid 9343] <... futex resumed>) = ?
[pid 9338] <... exit_group resumed>) = ?
[pid 9356] +++ exited with 0 +++
[pid 9343] +++ exited with 0 +++
[pid 9338] +++ exited with 0 +++
[pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9358
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./178/file0", <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9338, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9358 attached
<unfinished ...>
[pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9358] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9358] <... set_robust_list resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5071] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] fstat(3, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9358] chdir("./177" <unfinished ...>
[pid 9352] <... ioctl resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9358] <... chdir resumed>) = 0
[pid 9352] close(3 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9358] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9352] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9352] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] rmdir("./178/file0" <unfinished ...>
[pid 9358] <... prctl resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9352] <... mkdir resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] lstat("./175/binderfs", <unfinished ...>
[pid 9358] setpgid(0, 0 <unfinished ...>
[pid 9352] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9358] <... setpgid resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] unlink("./175/binderfs" <unfinished ...>
[pid 9358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9358] <... openat resumed>) = 3
[pid 5073] <... close resumed>) = 0
[pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9358] write(3, "1000", 4 <unfinished ...>
[pid 9355] <... write resumed>) = 2097152
[pid 5073] rmdir("./178" <unfinished ...>
[pid 9358] <... write resumed>) = 4
[pid 9355] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9358] close(3 <unfinished ...>
[pid 9355] <... munmap resumed>) = 0
[pid 9345] <... write resumed>) = 245760
[pid 5073] mkdir("./179", 0777 <unfinished ...>
[pid 9358] <... close resumed>) = 0
[pid 9355] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9345] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9342] exit_group(0 <unfinished ...>
[ 233.690795][ T9352] loop0: detected capacity change from 0 to 4096
[pid 9358] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9357] <... futex resumed>) = ?
[pid 9355] <... openat resumed>) = 4
[pid 9345] <... futex resumed>) = ?
[pid 9342] <... exit_group resumed>) = ?
[pid 5073] <... mkdir resumed>) = 0
[pid 9358] <... symlink resumed>) = 0
[pid 9357] +++ exited with 0 +++
[pid 9355] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9358] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9355] <... ioctl resumed>) = 0
[pid 9345] +++ exited with 0 +++
[pid 9342] +++ exited with 0 +++
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9358] <... futex resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9342, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5071] <... umount2 resumed>) = 0
[pid 9358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9358] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9358] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 3
[pid 9358] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9358] <... clone resumed>, parent_tid=[9359], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9359
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] lstat("./175/file0", <unfinished ...>
[pid 9358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9358] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9355] close(3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9355] <... close resumed>) = 0
[pid 5075] lstat("./179/binderfs", <unfinished ...>
[pid 9355] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9355] <... mkdir resumed>) = 0
[pid 5075] unlink("./179/binderfs" <unfinished ...>
[pid 9355] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5075] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9359 attached
<unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9359] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 9359] <... set_robust_list resumed>) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 9359] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9361
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 233.750467][ T9352] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 233.759666][ T9355] loop2: detected capacity change from 0 to 4096
[ 233.774035][ T9352] NILFS (loop0): trying rollback from an earlier position
[ 233.790662][ T9352] NILFS (loop0): recovery complete
[pid 9359] <... memfd_create resumed>) = 3
[pid 5071] getdents64(4, <unfinished ...>
[pid 9359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9361 attached
[pid 9359] <... mmap resumed>) = 0x7fe424ef8000
[pid 9352] <... mount resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9361] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9361] chdir("./179") = 0
[pid 9361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9361] setpgid(0, 0) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9361] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 9352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9361] write(3, "1000", 4 <unfinished ...>
[pid 5071] rmdir("./175/file0" <unfinished ...>
[pid 9361] <... write resumed>) = 4
[pid 9352] <... openat resumed>) = 3
[pid 9361] close(3 <unfinished ...>
[pid 9352] chdir("./file0" <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9361] <... close resumed>) = 0
[pid 9352] <... chdir resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9361] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9352] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9361] <... symlink resumed>) = 0
[pid 9359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9361] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9361] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9361] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9362], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9362
[pid 9361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9352] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 9362 attached
[pid 9362] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9362] memfd_create("syzkaller", 0) = 3
[pid 5071] close(3 <unfinished ...>
[pid 9352] close(4 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9352] <... close resumed>) = 0
[pid 9362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9352] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./175" <unfinished ...>
[pid 9352] <... futex resumed>) = 1
[pid 9349] <... futex resumed>) = 0
[pid 9352] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9349] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9349] <... futex resumed>) = 0
[pid 5071] mkdir("./176", 0777 <unfinished ...>
[pid 9352] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9349] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9352] <... openat resumed>) = 4
[ 233.839980][ T9355] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 233.845010][ T9360] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 233.873913][ T9355] NILFS (loop2): trying rollback from an earlier position
[pid 9352] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9359] <... write resumed>) = 2097152
[pid 9352] <... futex resumed>) = 1
[pid 9349] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9359] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9352] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9349] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9359] <... munmap resumed>) = 0
[pid 9352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9349] <... futex resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9359] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9352] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9349] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9359] <... openat resumed>) = 4
[ 233.924378][ T9355] NILFS (loop2): recovery complete
[pid 9359] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9355] <... mount resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9355] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9355] chdir("./file0") = 0
[pid 9355] ioctl(4, LOOP_CLR_FD) = 0
[pid 9355] close(4) = 0
[pid 9355] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9355] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9359] <... ioctl resumed>) = 0
[pid 9353] <... futex resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9353] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9355] <... futex resumed>) = 0
[pid 9353] <... futex resumed>) = 1
[pid 5075] lstat("./179/file0", <unfinished ...>
[pid 9359] close(3 <unfinished ...>
[pid 9355] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9353] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9364
[pid 9359] <... close resumed>) = 0
[pid 5075] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9364 attached
<unfinished ...>
[pid 9362] <... write resumed>) = 2097152
[pid 9359] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9364] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9359] <... mkdir resumed>) = 0
[pid 9349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9364] <... set_robust_list resumed>) = 0
[pid 9359] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9349] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 9364] chdir("./176" <unfinished ...>
[pid 9349] <... futex resumed>) = 0
[pid 9364] <... chdir resumed>) = 0
[pid 9349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[ 233.946666][ T9363] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 233.957550][ T9359] loop4: detected capacity change from 0 to 4096
[pid 9364] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9349] <... mmap resumed>) = 0x7fe4250d7000
[pid 9364] <... prctl resumed>) = 0
[pid 9349] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9364] setpgid(0, 0 <unfinished ...>
[pid 9349] <... mprotect resumed>) = 0
[pid 9364] <... setpgid resumed>) = 0
[pid 9349] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9349] <... clone resumed>, parent_tid=[9365], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9365
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9364] write(3, "1000", 4 <unfinished ...>
[pid 9349] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9364] <... write resumed>) = 4
[pid 9362] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9355] <... openat resumed>) = 4
[pid 9349] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9365 attached
[pid 9364] close(3 <unfinished ...>
[pid 9362] <... munmap resumed>) = 0
[pid 9355] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9349] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9365] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9364] <... close resumed>) = 0
[pid 9362] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9355] <... futex resumed>) = 1
[pid 9353] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9365] <... set_robust_list resumed>) = 0
[pid 9364] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9355] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9365] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9364] <... symlink resumed>) = 0
[pid 9365] <... mmap resumed>) = 0x20000000
[pid 9364] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9362] <... openat resumed>) = 4
[pid 9353] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 9365] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9364] <... futex resumed>) = 0
[pid 9362] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9355] <... futex resumed>) = 0
[pid 9353] <... futex resumed>) = 1
[pid 5075] <... close resumed>) = 0
[pid 9365] <... futex resumed>) = 1
[pid 9364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9355] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9349] <... futex resumed>) = 0
[pid 9365] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9364] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9362] <... ioctl resumed>) = 0
[ 233.995172][ T9359] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 234.015209][ T9359] NILFS (loop4): trying rollback from an earlier position
[ 234.028749][ T9362] loop3: detected capacity change from 0 to 4096
[pid 9353] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] rmdir("./179/file0" <unfinished ...>
[pid 9364] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9362] close(3 <unfinished ...>
[pid 9352] <... write resumed>) = 196608
[pid 5075] <... rmdir resumed>) = 0
[pid 9364] <... mprotect resumed>) = 0
[pid 9364] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9366], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9366
[pid 9364] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9362] <... close resumed>) = 0
[pid 9352] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9364] <... futex resumed>) = 0
[pid 9362] mkdir("./file0", 0777 <unfinished ...>
[pid 9352] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9364] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9362] <... mkdir resumed>) = 0
[pid 9359] <... mount resumed>) = 0
[pid 9352] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9349] exit_group(0 <unfinished ...>
[pid 5075] close(3./strace-static-x86_64: Process 9366 attached
<unfinished ...>
[pid 9365] <... futex resumed>) = ?
[pid 9349] <... exit_group resumed>) = ?
[pid 9366] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9365] +++ exited with 0 +++
[pid 9366] <... set_robust_list resumed>) = 0
[pid 9366] memfd_create("syzkaller", 0) = 3
[pid 9362] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9352] <... futex resumed>) = ?
[pid 5075] <... close resumed>) = 0
[pid 9366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9359] <... openat resumed>) = 3
[pid 9352] +++ exited with 0 +++
[pid 9349] +++ exited with 0 +++
[pid 5075] rmdir("./179" <unfinished ...>
[pid 9359] chdir("./file0" <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9349, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9359] <... chdir resumed>) = 0
[ 234.056248][ T9359] NILFS (loop4): recovery complete
[ 234.068162][ T9367] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] mkdir("./180", 0777 <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5070] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9359] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9359] <... ioctl resumed>) = 0
[pid 9353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5070] lstat("./175/binderfs", <unfinished ...>
[pid 9359] close(4 <unfinished ...>
[pid 9353] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9359] <... close resumed>) = 0
[pid 9353] <... futex resumed>) = 0
[pid 5070] unlink("./175/binderfs" <unfinished ...>
[pid 9359] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 9359] <... futex resumed>) = 1
[pid 9358] <... futex resumed>) = 0
[pid 9353] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9359] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9358] <... futex resumed>) = 0
[pid 9353] <... mprotect resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9359] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9353] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9353] <... clone resumed>, parent_tid=[9368], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9368
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9369
[pid 9353] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9359] <... openat resumed>) = 4
[pid 9353] <... futex resumed>) = 0
[pid 9359] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9359] <... futex resumed>) = 1
[pid 9358] <... futex resumed>) = 0
./strace-static-x86_64: Process 9369 attached
[pid 9366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9359] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9369] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9358] <... futex resumed>) = 0
[pid 9369] <... set_robust_list resumed>) = 0
[pid 9359] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9369] chdir("./180") = 0
[pid 9369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9369] setpgid(0, 0) = 0
[ 234.098227][ T9362] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 234.116597][ T9362] NILFS (loop3): trying rollback from an earlier position
[pid 9369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9369] write(3, "1000", 4) = 4
[pid 9369] close(3) = 0
[pid 9369] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9369] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
./strace-static-x86_64: Process 9368 attached
[pid 9369] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9368] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9369] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9368] <... set_robust_list resumed>) = 0
[pid 9368] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9369] <... clone resumed>, parent_tid=[9370], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9370
[pid 9369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9369] <... futex resumed>) = 0
[pid 9368] <... mmap resumed>) = 0x20000000
[pid 9369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9370 attached
<unfinished ...>
[pid 9370] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9370] memfd_create("syzkaller", 0) = 3
[pid 9370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9368] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9368] <... futex resumed>) = 0
[pid 9358] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9368] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9358] <... futex resumed>) = 0
[pid 9358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[ 234.191706][ T9362] NILFS (loop3): recovery complete
[pid 9366] <... write resumed>) = 2097152
[pid 9358] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9358] <... mprotect resumed>) = 0
[pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9362] <... mount resumed>) = 0
[pid 9358] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] lstat("./175/file0", <unfinished ...>
[pid 9362] <... openat resumed>) = 3
[pid 9358] <... clone resumed>, parent_tid=[9372], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9372
[pid 9362] chdir("./file0" <unfinished ...>
[pid 9358] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9362] <... chdir resumed>) = 0
[pid 9358] <... futex resumed>) = 0
[pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9362] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9358] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9372 attached
[pid 9362] <... ioctl resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9372] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9362] close(4 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9372] <... set_robust_list resumed>) = 0
[pid 9362] <... close resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9372] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9362] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9372] <... mmap resumed>) = 0x20000000
[pid 9362] <... futex resumed>) = 1
[pid 9361] <... futex resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9372] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9362] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9372] <... futex resumed>) = 1
[pid 9362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9361] <... futex resumed>) = 0
[pid 9358] <... futex resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9355] <... write resumed>) = 356352
[pid 9372] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9366] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9362] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9355] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9366] <... munmap resumed>) = 0
[pid 9355] <... futex resumed>) = 0
[pid 9353] exit_group(0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9368] <... futex resumed>) = ?
[pid 9366] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9353] <... exit_group resumed>) = ?
[pid 5070] close(4 <unfinished ...>
[pid 9368] +++ exited with 0 +++
[pid 9366] <... openat resumed>) = 4
[pid 9355] +++ exited with 0 +++
[ 234.238132][ T9371] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9366] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9353] +++ exited with 0 +++
[pid 5070] <... close resumed>) = 0
[pid 9366] <... ioctl resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9353, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5070] rmdir("./175/file0") = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9362] <... openat resumed>) = 4
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9362] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9362] <... futex resumed>) = 1
[pid 9361] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9362] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] rmdir("./175" <unfinished ...>
[pid 9362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9361] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9362] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9366] close(3 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] mkdir("./176", 0777 <unfinished ...>
[pid 9366] <... close resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9366] mkdir("./file0", 0777) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... mkdir resumed>) = 0
[ 234.298182][ T9366] loop1: detected capacity change from 0 to 4096
[pid 9366] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9359] <... write resumed>) = 274432
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9359] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9358] exit_group(0 <unfinished ...>
[pid 5072] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9372] <... futex resumed>) = ?
[pid 9359] <... futex resumed>) = ?
[pid 9358] <... exit_group resumed>) = ?
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9372] +++ exited with 0 +++
[pid 9359] +++ exited with 0 +++
[pid 9358] +++ exited with 0 +++
[pid 5072] lstat("./178/binderfs", <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9358, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5072] unlink("./178/binderfs" <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5074] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./177/binderfs") = 0
[pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9361] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9361] <... futex resumed>) = 0
[pid 9361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9361] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9373
[pid 9361] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9374], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9374
[pid 9361] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9361] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9370] <... write resumed>) = 2097152
./strace-static-x86_64: Process 9373 attached
[pid 9373] set_robust_list(0x555556a0d5e0, 24) = 0
./strace-static-x86_64: Process 9374 attached
[pid 9373] chdir("./176" <unfinished ...>
[pid 9374] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9373] <... chdir resumed>) = 0
[pid 9374] <... set_robust_list resumed>) = 0
[pid 9373] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9374] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9373] <... prctl resumed>) = 0
[pid 9374] <... mmap resumed>) = 0x20000000
[pid 9373] setpgid(0, 0) = 0
[pid 9373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9374] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9373] <... openat resumed>) = 3
[pid 9370] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9374] <... futex resumed>) = 1
[pid 9373] write(3, "1000", 4 <unfinished ...>
[pid 9370] <... munmap resumed>) = 0
[pid 9361] <... futex resumed>) = 0
[ 234.339932][ T9366] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 9374] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9373] <... write resumed>) = 4
[pid 9370] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9373] close(3 <unfinished ...>
[pid 9370] <... openat resumed>) = 4
[pid 9373] <... close resumed>) = 0
[pid 9370] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9373] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9373] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9373] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9373] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9375], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9375
[pid 9373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9375 attached
<unfinished ...>
[pid 9375] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9375] memfd_create("syzkaller", 0) = 3
[pid 9375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9370] <... ioctl resumed>) = 0
[pid 9370] close(3) = 0
[pid 9370] mkdir("./file0", 0777) = 0
[pid 9370] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9362] <... write resumed>) = 212992
[pid 9362] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9362] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 234.405248][ T9370] loop5: detected capacity change from 0 to 4096
[ 234.425375][ T9366] NILFS (loop1): trying rollback from an earlier position
[pid 9361] exit_group(0 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 9375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9374] <... futex resumed>) = ?
[pid 9362] <... futex resumed>) = ?
[pid 9361] <... exit_group resumed>) = ?
[pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./178/file0", <unfinished ...>
[pid 5074] lstat("./177/file0", <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5074] <... openat resumed>) = 4
[pid 5072] fstat(4, <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5072] rmdir("./178/file0" <unfinished ...>
[pid 9374] +++ exited with 0 +++
[pid 5074] rmdir("./177/file0" <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9362] +++ exited with 0 +++
[pid 9361] +++ exited with 0 +++
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9366] <... mount resumed>) = 0
[pid 5072] close(3) = 0
[pid 5072] rmdir("./178" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] mkdir("./179", 0777 <unfinished ...>
[pid 9366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9361, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} ---
[pid 5072] <... mkdir resumed>) = 0
[pid 5074] rmdir("./177" <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5074] mkdir("./178", 0777 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[ 234.485885][ T9366] NILFS (loop1): recovery complete
[ 234.493820][ T9370] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 234.509640][ T9376] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 234.521182][ T9370] NILFS (loop5): trying rollback from an earlier position
[pid 5072] close(3 <unfinished ...>
[pid 9366] <... openat resumed>) = 3
[pid 5074] <... openat resumed>) = 3
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9377
[pid 5074] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9366] chdir("./file0" <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9378
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9366] <... chdir resumed>) = 0
[pid 9366] ioctl(4, LOOP_CLR_FD) = 0
[pid 9366] close(4 <unfinished ...>
[pid 5073] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9366] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9377 attached
[pid 9366] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9377] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9366] <... futex resumed>) = 1
[pid 9364] <... futex resumed>) = 0
./strace-static-x86_64: Process 9378 attached
[pid 9377] <... set_robust_list resumed>) = 0
[pid 9370] <... mount resumed>) = 0
[pid 9366] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9364] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9377] chdir("./179") = 0
[pid 9377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9377] setpgid(0, 0) = 0
[pid 9377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9375] <... write resumed>) = 2097152
[pid 9377] write(3, "1000", 4) = 4
[pid 9377] close(3 <unfinished ...>
[pid 9366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9364] <... futex resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 9377] <... close resumed>) = 0
[pid 9370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9366] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9364] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9377] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9375] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9370] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9378] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9377] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9375] <... munmap resumed>) = 0
[pid 9370] chdir("./file0" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9378] <... set_robust_list resumed>) = 0
[pid 9377] <... futex resumed>) = 0
[pid 9375] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9366] <... openat resumed>) = 4
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9378] chdir("./178" <unfinished ...>
[pid 9377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9375] <... openat resumed>) = 4
[pid 9370] <... chdir resumed>) = 0
[pid 9366] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9378] <... chdir resumed>) = 0
[pid 9377] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9375] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9370] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9366] <... futex resumed>) = 1
[pid 9364] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9378] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9377] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9370] <... ioctl resumed>) = 0
[pid 9366] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9378] <... prctl resumed>) = 0
[pid 9370] close(4 <unfinished ...>
[pid 9378] setpgid(0, 0 <unfinished ...>
[pid 9370] <... close resumed>) = 0
[pid 9364] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] lstat("./179/binderfs", <unfinished ...>
[pid 9378] <... setpgid resumed>) = 0
[pid 9377] <... mprotect resumed>) = 0
[pid 9370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9366] <... futex resumed>) = 0
[pid 9364] <... futex resumed>) = 1
[pid 9375] <... ioctl resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9377] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9370] <... futex resumed>) = 1
[pid 9369] <... futex resumed>) = 0
[pid 9366] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9375] close(3 <unfinished ...>
[pid 9364] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] unlink("./179/binderfs"./strace-static-x86_64: Process 9380 attached
<unfinished ...>
[pid 9378] <... openat resumed>) = 3
[pid 9375] <... close resumed>) = 0
[pid 9370] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9378] write(3, "1000", 4 <unfinished ...>
[pid 9377] <... clone resumed>, parent_tid=[9380], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9380
[pid 9375] mkdir("./file0", 0777 <unfinished ...>
[pid 9370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9369] <... futex resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9380] <... set_robust_list resumed>) = 0
[pid 9378] <... write resumed>) = 4
[pid 9377] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9375] <... mkdir resumed>) = 0
[pid 9370] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9380] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9378] close(3 <unfinished ...>
[pid 9377] <... futex resumed>) = 0
[pid 9375] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9370] <... openat resumed>) = 4
[pid 9380] <... memfd_create resumed>) = 3
[pid 9378] <... close resumed>) = 0
[pid 9377] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9378] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9370] <... futex resumed>) = 1
[pid 9369] <... futex resumed>) = 0
[pid 9378] <... symlink resumed>) = 0
[pid 9370] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 234.540985][ T9370] NILFS (loop5): recovery complete
[ 234.553445][ T9379] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 234.580039][ T9375] loop0: detected capacity change from 0 to 4096
[pid 9369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] <... mmap resumed>) = 0x7fe424ef8000
[pid 9378] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9369] <... futex resumed>) = 0
[pid 9378] <... futex resumed>) = 0
[pid 9370] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9378] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9378] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9381], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9381
[pid 9378] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9378] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9381 attached
<unfinished ...>
[pid 9381] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9381] memfd_create("syzkaller", 0) = 3
[pid 9381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9364] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9364] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9364] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9382], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9382
[pid 9364] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9364] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9382 attached
<unfinished ...>
[pid 9369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9382] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9369] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9382] <... set_robust_list resumed>) = 0
[pid 9369] <... futex resumed>) = 0
[pid 9382] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9382] <... mmap resumed>) = 0x20000000
[pid 9369] <... mmap resumed>) = 0x7fe4250d7000
[ 234.649853][ T9375] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9382] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9369] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9382] <... futex resumed>) = 1
[pid 9369] <... mprotect resumed>) = 0
[pid 9364] <... futex resumed>) = 0
[pid 9382] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9369] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9369] <... clone resumed>, parent_tid=[9383], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9383
[pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9380] <... write resumed>) = 2097152
[pid 9369] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9369] <... futex resumed>) = 0
[pid 5073] lstat("./179/file0", ./strace-static-x86_64: Process 9383 attached
<unfinished ...>
[pid 9381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9380] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9369] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9383] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9383] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9383] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] <... munmap resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 9383] <... futex resumed>) = 1
[pid 9369] <... futex resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 9380] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9383] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9380] <... openat resumed>) = 4
[pid 5073] getdents64(4, <unfinished ...>
[pid 9380] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 234.703559][ T9375] NILFS (loop0): trying rollback from an earlier position
[ 234.739310][ T9375] NILFS (loop0): recovery complete
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 9381] <... write resumed>) = 2097152
[pid 9380] <... ioctl resumed>) = 0
[pid 5073] rmdir("./179/file0") = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 9380] close(3 <unfinished ...>
[pid 5073] rmdir("./179" <unfinished ...>
[pid 9380] <... close resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9380] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] mkdir("./180", 0777 <unfinished ...>
[pid 9381] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9380] <... mkdir resumed>) = 0
[pid 9375] <... mount resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 9380] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9375] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9375] <... openat resumed>) = 3
[pid 9366] <... write resumed>) = 208896
[pid 9375] chdir("./file0" <unfinished ...>
[pid 9366] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9375] <... chdir resumed>) = 0
[pid 9366] <... futex resumed>) = 0
[pid 9364] exit_group(0 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9375] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9382] <... futex resumed>) = ?
[pid 9375] <... ioctl resumed>) = 0
[pid 9364] <... exit_group resumed>) = ?
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9382] +++ exited with 0 +++
[pid 9381] <... munmap resumed>) = 0
[pid 9375] close(4 <unfinished ...>
[pid 9366] +++ exited with 0 +++
[pid 9375] <... close resumed>) = 0
[pid 9381] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9375] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9364] +++ exited with 0 +++
[pid 9381] <... openat resumed>) = 4
[pid 9375] <... futex resumed>) = 1
[pid 9373] <... futex resumed>) = 0
[pid 9381] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 234.757789][ T9380] loop2: detected capacity change from 0 to 4096
[ 234.782581][ T9384] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9375] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9373] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9375] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9364, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9375] <... openat resumed>) = 4
[pid 5073] <... close resumed>) = 0
[pid 5071] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9375] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9375] <... futex resumed>) = 1
[pid 9373] <... futex resumed>) = 0
[pid 9375] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9373] <... futex resumed>) = 0
[pid 9375] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9385
[pid 5071] <... openat resumed>) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 9381] <... ioctl resumed>) = 0
[pid 9381] close(3) = 0
[pid 9381] mkdir("./file0", 0777./strace-static-x86_64: Process 9385 attached
) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 234.813173][ T9381] loop4: detected capacity change from 0 to 4096
[ 234.830348][ T9380] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9385] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9381] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9385] <... set_robust_list resumed>) = 0
[pid 9370] <... write resumed>) = 225280
[pid 5071] getdents64(3, <unfinished ...>
[pid 9385] chdir("./180" <unfinished ...>
[pid 9370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9369] exit_group(0 <unfinished ...>
[pid 9385] <... chdir resumed>) = 0
[pid 9383] <... futex resumed>) = ?
[pid 9370] <... futex resumed>) = ?
[pid 9369] <... exit_group resumed>) = ?
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9385] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9383] +++ exited with 0 +++
[pid 9370] +++ exited with 0 +++
[pid 9369] +++ exited with 0 +++
[pid 5071] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9385] <... prctl resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9369, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9385] setpgid(0, 0 <unfinished ...>
[pid 5071] lstat("./176/binderfs", <unfinished ...>
[pid 9385] <... setpgid resumed>) = 0
[pid 9385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9385] <... openat resumed>) = 3
[pid 9373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] unlink("./176/binderfs" <unfinished ...>
[pid 9385] write(3, "1000", 4 <unfinished ...>
[pid 9373] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9385] <... write resumed>) = 4
[pid 9373] <... futex resumed>) = 0
[pid 5075] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9385] close(3 <unfinished ...>
[pid 9373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9385] <... close resumed>) = 0
[pid 9373] <... mmap resumed>) = 0x7fe4250d7000
[ 234.862773][ T9380] NILFS (loop2): trying rollback from an earlier position
[ 234.880698][ T9380] NILFS (loop2): recovery complete
[ 234.902306][ T9386] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9385] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9380] <... mount resumed>) = 0
[pid 9373] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9385] <... symlink resumed>) = 0
[pid 9380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9373] <... mprotect resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9385] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] <... openat resumed>) = 3
[pid 9373] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9385] <... futex resumed>) = 0
[pid 9380] chdir("./file0" <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9380] <... chdir resumed>) = 0
[pid 9373] <... clone resumed>, parent_tid=[9387], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9387
[pid 9385] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9380] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9373] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9385] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9380] <... ioctl resumed>) = 0
[pid 9373] <... futex resumed>) = 0
[pid 5075] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9385] <... mprotect resumed>) = 0
[pid 9380] close(4 <unfinished ...>
[pid 9373] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9380] <... close resumed>) = 0
[pid 9380] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9377] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9385] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9380] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9377] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] lstat("./180/binderfs", <unfinished ...>
[pid 9380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9377] <... futex resumed>) = 0
[pid 9385] <... clone resumed>, parent_tid=[9388], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9388
[pid 9380] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9377] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] unlink("./180/binderfs" <unfinished ...>
[pid 9385] <... futex resumed>) = 0
./strace-static-x86_64: Process 9388 attached
[pid 9385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5075] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9388] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9388] memfd_create("syzkaller", 0) = 3
[pid 9388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 234.915441][ T9381] NILFS (loop4): invalid segment: Checksum error in segment payload
./strace-static-x86_64: Process 9387 attached
[pid 9387] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9387] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9380] <... openat resumed>) = 4
[pid 9380] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9387] <... mmap resumed>) = 0x20000000
[pid 9380] <... futex resumed>) = 1
[pid 9377] <... futex resumed>) = 0
[pid 9387] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9380] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9377] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9387] <... futex resumed>) = 1
[pid 9380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9377] <... futex resumed>) = 0
[pid 9373] <... futex resumed>) = 0
[pid 9387] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9380] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9377] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[ 234.956658][ T9381] NILFS (loop4): trying rollback from an earlier position
[pid 9388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./176/file0", <unfinished ...>
[pid 5075] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] lstat("./180/file0", <unfinished ...>
[pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9377] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9377] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 4
[pid 9377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9377] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... openat resumed>) = 4
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9377] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9377] <... mprotect resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9377] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9375] <... write resumed>) = 389120
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9389 attached
[pid 9377] <... clone resumed>, parent_tid=[9389], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9389
[pid 9375] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9389] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9377] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9375] <... futex resumed>) = 0
[pid 9373] exit_group(0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 9389] <... set_robust_list resumed>) = 0
[pid 9387] <... futex resumed>) = ?
[pid 9377] <... futex resumed>) = 0
[pid 9373] <... exit_group resumed>) = ?
[pid 5075] close(4 <unfinished ...>
[pid 5071] rmdir("./176/file0" <unfinished ...>
[pid 9389] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9387] +++ exited with 0 +++
[pid 9377] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9375] +++ exited with 0 +++
[pid 9373] +++ exited with 0 +++
[pid 5075] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[ 235.059726][ T9381] NILFS (loop4): recovery complete
[pid 9389] <... mmap resumed>) = 0x20000000
[pid 5075] rmdir("./180/file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9373, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9389] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9388] <... write resumed>) = 2097152
[pid 5075] <... rmdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9389] <... futex resumed>) = 1
[pid 9388] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9377] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9389] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9388] <... munmap resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 5070] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9388] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5071] rmdir("./176" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9388] <... openat resumed>) = 4
[pid 5075] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9388] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] rmdir("./180" <unfinished ...>
[pid 5071] mkdir("./177", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9381] <... mount resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 5075] mkdir("./181", 0777 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5070] getdents64(3, <unfinished ...>
[pid 9381] <... openat resumed>) = 3
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9388] <... ioctl resumed>) = 0
[pid 9381] chdir("./file0" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9388] close(3 <unfinished ...>
[pid 9381] <... chdir resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9388] <... close resumed>) = 0
[pid 9381] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... close resumed>) = 0
[pid 5070] lstat("./176/binderfs", <unfinished ...>
[pid 9380] <... write resumed>) = 364544
[pid 9381] <... ioctl resumed>) = 0
[pid 9380] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9388] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9388] <... mkdir resumed>) = 0
[pid 9381] close(4 <unfinished ...>
[pid 9380] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5070] unlink("./176/binderfs" <unfinished ...>
[pid 9388] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9381] <... close resumed>) = 0
[pid 9380] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9377] exit_group(0 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9391
[pid 9381] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9377] <... exit_group resumed>) = ?
[pid 5070] <... unlink resumed>) = 0
[pid 9389] <... futex resumed>) = ?
[ 235.108019][ T9388] loop3: detected capacity change from 0 to 4096
[ 235.114585][ T9390] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9381] <... futex resumed>) = 1
[pid 9380] <... futex resumed>) = ?
[pid 9378] <... futex resumed>) = 0
[pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9389] +++ exited with 0 +++
[pid 9381] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9378] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9378] <... futex resumed>) = 0
[pid 9381] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9378] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9380] +++ exited with 0 +++
[pid 9377] +++ exited with 0 +++
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9392
./strace-static-x86_64: Process 9392 attached
[pid 9392] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9392] chdir("./181") = 0
[pid 9392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9392] setpgid(0, 0) = 0
[pid 9392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9392] write(3, "1000", 4) = 4
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9377, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9392] close(3 <unfinished ...>
[pid 9381] <... openat resumed>) = 4
[pid 9392] <... close resumed>) = 0
[pid 9381] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9392] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9381] <... futex resumed>) = 1
[pid 9378] <... futex resumed>) = 0
[pid 9392] <... symlink resumed>) = 0
[pid 9381] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9378] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9392] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9378] <... futex resumed>) = 0
[pid 9392] <... futex resumed>) = 0
[pid 9381] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9378] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9391 attached
<unfinished ...>
[pid 9392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9392] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9392] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9391] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9392] <... mprotect resumed>) = 0
[pid 9391] <... set_robust_list resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9392] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9393], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9393
[pid 9392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9393 attached
<unfinished ...>
[pid 9393] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9393] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9391] chdir("./177" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9391] <... chdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9391] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5072] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9391] <... prctl resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9391] setpgid(0, 0 <unfinished ...>
[pid 5072] lstat("./179/binderfs", <unfinished ...>
[pid 9391] <... setpgid resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./179/binderfs" <unfinished ...>
[pid 9391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9393] <... memfd_create resumed>) = 3
[pid 5072] <... unlink resumed>) = 0
[pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9391] <... openat resumed>) = 3
[pid 9393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9391] write(3, "1000", 4) = 4
[pid 9391] close(3) = 0
[pid 9391] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9391] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9391] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9391] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9394], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9394
[pid 9391] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 235.182283][ T9388] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9391] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9394 attached
<unfinished ...>
[pid 9378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9378] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9378] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9378] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9395], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9395
[pid 9378] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9378] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9394] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9394] memfd_create("syzkaller", 0) = 3
[pid 9393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 9395 attached
) = 0x7fe424ef8000
[pid 9395] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9395] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9395] <... mmap resumed>) = 0x20000000
[pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9395] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9395] <... futex resumed>) = 1
[pid 9378] <... futex resumed>) = 0
[ 235.239699][ T9388] NILFS (loop3): trying rollback from an earlier position
[pid 9395] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] lstat("./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./176/file0" <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] lstat("./179/file0", <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 9388] <... mount resumed>) = 0
[pid 9388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] rmdir("./176" <unfinished ...>
[pid 9393] <... write resumed>) = 2097152
[pid 9388] chdir("./file0" <unfinished ...>
[pid 9381] <... write resumed>) = 212992
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9393] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9388] <... chdir resumed>) = 0
[pid 9381] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9378] exit_group(0 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9395] <... futex resumed>) = ?
[pid 9393] <... munmap resumed>) = 0
[pid 9388] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9381] <... futex resumed>) = ?
[pid 9378] <... exit_group resumed>) = ?
[pid 5072] <... openat resumed>) = 4
[pid 9395] +++ exited with 0 +++
[pid 9393] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9388] <... ioctl resumed>) = 0
[pid 9381] +++ exited with 0 +++
[pid 9378] +++ exited with 0 +++
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] mkdir("./177", 0777 <unfinished ...>
[pid 9393] <... openat resumed>) = 4
[pid 9388] close(4 <unfinished ...>
[pid 9393] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9388] <... close resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9378, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... mkdir resumed>) = 0
[ 235.335926][ T9388] NILFS (loop3): recovery complete
[ 235.345960][ T9396] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9394] <... write resumed>) = 2097152
[pid 9393] <... ioctl resumed>) = 0
[pid 9388] <... futex resumed>) = 1
[pid 9385] <... futex resumed>) = 0
[pid 5074] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9394] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9393] close(3 <unfinished ...>
[pid 9388] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... openat resumed>) = 3
[pid 9393] <... close resumed>) = 0
[pid 9388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9385] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9393] mkdir("./file0", 0777 <unfinished ...>
[pid 9388] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9393] <... mkdir resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9393] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9394] <... munmap resumed>) = 0
[pid 9388] <... openat resumed>) = 4
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] rmdir("./179/file0" <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9394] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9397
[pid 9394] <... openat resumed>) = 4
[pid 9388] <... futex resumed>) = 1
[pid 9385] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] lstat("./178/binderfs", <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9394] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9388] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5074] unlink("./178/binderfs" <unfinished ...>
[pid 5072] rmdir("./179" <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] mkdir("./180", 0777) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9385] <... futex resumed>) = 0
[pid 9388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9398
./strace-static-x86_64: Process 9398 attached
[pid 9398] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9398] chdir("./180") = 0
[pid 9398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9398] setpgid(0, 0) = 0
[pid 9398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9398] write(3, "1000", 4) = 4
[pid 9398] close(3) = 0
[pid 9398] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9398] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9398] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9398] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9399], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9399
[ 235.377519][ T9393] loop5: detected capacity change from 0 to 4096
[ 235.399994][ T9393] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 235.413928][ T9394] loop1: detected capacity change from 0 to 4096
[pid 9398] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9398] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9399 attached
<unfinished ...>
[pid 9399] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9399] memfd_create("syzkaller", 0) = 3
[pid 9399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9394] <... ioctl resumed>) = 0
[pid 9394] close(3) = 0
[pid 9394] mkdir("./file0", 0777) = 0
./strace-static-x86_64: Process 9397 attached
[pid 9394] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9397] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9397] chdir("./177") = 0
[pid 9397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9397] setpgid(0, 0) = 0
[pid 9385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9385] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9397] <... openat resumed>) = 3
[pid 9385] <... mmap resumed>) = 0x7fe4250d7000
[pid 9385] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9397] write(3, "1000", 4 <unfinished ...>
[pid 9385] <... mprotect resumed>) = 0
[pid 9385] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9400], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9400
[pid 9397] <... write resumed>) = 4
[pid 9385] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9397] close(3 <unfinished ...>
[pid 9385] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9397] <... close resumed>) = 0
[ 235.436708][ T9393] NILFS (loop5): trying rollback from an earlier position
./strace-static-x86_64: Process 9400 attached
[pid 9397] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9400] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9400] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9397] <... symlink resumed>) = 0
[pid 9397] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9400] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9385] <... futex resumed>) = 0
[pid 9400] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9397] <... futex resumed>) = 0
[pid 9397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9397] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9397] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9401], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9401
[ 235.486707][ T9393] NILFS (loop5): recovery complete
[pid 9397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9401 attached
<unfinished ...>
[pid 9397] <... futex resumed>) = 0
[pid 9401] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9401] <... set_robust_list resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9401] memfd_create("syzkaller", 0) = 3
[pid 9401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9401] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9393] <... mount resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9393] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9393] <... openat resumed>) = 3
[pid 5074] rmdir("./178/file0" <unfinished ...>
[pid 9393] chdir("./file0" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9393] <... chdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9393] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9393] <... ioctl resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9393] close(4 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9393] <... close resumed>) = 0
[pid 5074] rmdir("./178" <unfinished ...>
[pid 9393] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9393] <... futex resumed>) = 1
[pid 9392] <... futex resumed>) = 0
[pid 9388] <... write resumed>) = 126976
[ 235.514938][ T9394] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 235.540428][ T9402] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5074] mkdir("./179", 0777 <unfinished ...>
[pid 9393] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9385] exit_group(0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9400] <... futex resumed>) = ?
[pid 9399] <... write resumed>) = 2097152
[pid 9393] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9392] <... futex resumed>) = 0
[pid 9388] <... futex resumed>) = ?
[pid 9385] <... exit_group resumed>) = ?
[pid 5074] <... openat resumed>) = 3
[pid 9400] +++ exited with 0 +++
[pid 9392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9388] +++ exited with 0 +++
[pid 9385] +++ exited with 0 +++
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9385, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9399] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9399] <... munmap resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9399] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9399] <... openat resumed>) = 4
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9399] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9403
[pid 5073] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9403 attached
[pid 5073] getdents64(3, <unfinished ...>
[pid 9403] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9403] <... set_robust_list resumed>) = 0
[pid 9393] <... openat resumed>) = 4
[pid 5073] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9403] chdir("./179" <unfinished ...>
[pid 9393] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9403] <... chdir resumed>) = 0
[pid 9393] <... futex resumed>) = 1
[pid 9392] <... futex resumed>) = 0
[pid 5073] lstat("./180/binderfs", <unfinished ...>
[pid 9403] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9393] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9403] <... prctl resumed>) = 0
[pid 9393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9392] <... futex resumed>) = 0
[pid 5073] unlink("./180/binderfs" <unfinished ...>
[pid 9403] setpgid(0, 0 <unfinished ...>
[pid 9393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9403] <... setpgid resumed>) = 0
[pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9399] <... ioctl resumed>) = 0
[pid 9403] <... openat resumed>) = 3
[pid 9399] close(3 <unfinished ...>
[pid 9403] write(3, "1000", 4 <unfinished ...>
[pid 9399] <... close resumed>) = 0
[pid 9403] <... write resumed>) = 4
[pid 9403] close(3 <unfinished ...>
[pid 9399] mkdir("./file0", 0777 <unfinished ...>
[pid 9403] <... close resumed>) = 0
[pid 9403] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9399] <... mkdir resumed>) = 0
[pid 9403] <... symlink resumed>) = 0
[pid 9399] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9403] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9403] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9403] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9404], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9404
[pid 9403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9404 attached
<unfinished ...>
[pid 9404] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9404] memfd_create("syzkaller", 0) = 3
[ 235.567209][ T9394] NILFS (loop1): trying rollback from an earlier position
[ 235.587600][ T9399] loop2: detected capacity change from 0 to 4096
[pid 9404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9392] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9401] <... write resumed>) = 2097152
[pid 9392] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9392] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9406 attached
<unfinished ...>
[pid 9401] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9401] <... munmap resumed>) = 0
[pid 9392] <... clone resumed>, parent_tid=[9406], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9406
[pid 9392] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9406] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9392] <... futex resumed>) = 0
[pid 9401] <... openat resumed>) = 4
[pid 9392] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9406] <... set_robust_list resumed>) = 0
[pid 9401] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 235.647323][ T9399] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 235.658270][ T9394] NILFS (loop1): recovery complete
[ 235.683513][ T9399] NILFS (loop2): trying rollback from an earlier position
[pid 9406] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./180/file0", <unfinished ...>
[pid 9406] <... mmap resumed>) = 0x20000000
[pid 9404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9401] <... ioctl resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9406] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] close(3 <unfinished ...>
[pid 9406] <... futex resumed>) = 1
[pid 9401] <... close resumed>) = 0
[pid 9392] <... futex resumed>) = 0
[pid 9406] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9401] mkdir("./file0", 0777) = 0
[pid 9401] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9394] <... mount resumed>) = 0
[pid 9394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9394] chdir("./file0") = 0
[pid 9394] ioctl(4, LOOP_CLR_FD) = 0
[pid 9394] close(4 <unfinished ...>
[pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9394] <... close resumed>) = 0
[pid 9394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9391] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9391] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9391] <... futex resumed>) = 0
[pid 9394] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9391] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9399] <... mount resumed>) = 0
[pid 9399] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9394] <... openat resumed>) = 4
[pid 5073] fstat(4, <unfinished ...>
[pid 9399] <... openat resumed>) = 3
[pid 9394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9399] chdir("./file0" <unfinished ...>
[pid 9394] <... futex resumed>) = 1
[pid 9391] <... futex resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9399] <... chdir resumed>) = 0
[pid 9394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9391] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9399] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9391] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9399] <... ioctl resumed>) = 0
[pid 9394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9391] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[ 235.700606][ T9401] loop0: detected capacity change from 0 to 4096
[ 235.710602][ T9405] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 235.733277][ T9399] NILFS (loop2): recovery complete
[ 235.738135][ T9401] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9399] close(4) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9399] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9404] <... write resumed>) = 2097152
[pid 5073] close(4 <unfinished ...>
[pid 9398] <... futex resumed>) = 0
[pid 9398] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9399] <... futex resumed>) = 0
[pid 9398] <... futex resumed>) = 1
[pid 5073] rmdir("./180/file0" <unfinished ...>
[pid 9399] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9398] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9404] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9404] <... munmap resumed>) = 0
[pid 5073] rmdir("./180" <unfinished ...>
[pid 9404] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9393] <... write resumed>) = 245760
[pid 5073] <... rmdir resumed>) = 0
[pid 9393] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] mkdir("./181", 0777 <unfinished ...>
[pid 9393] <... futex resumed>) = 0
[pid 9404] <... openat resumed>) = 4
[pid 5073] <... mkdir resumed>) = 0
[ 235.767914][ T9407] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 235.783100][ T9401] NILFS (loop0): trying rollback from an earlier position
[pid 9404] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9393] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9392] exit_group(0 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9406] <... futex resumed>) = ?
[pid 9393] <... futex resumed>) = ?
[pid 9392] <... exit_group resumed>) = ?
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9406] +++ exited with 0 +++
[pid 9393] +++ exited with 0 +++
[pid 9391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9392] +++ exited with 0 +++
[pid 9391] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9391] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9392, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9391] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9391] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9391] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9408
[pid 9404] <... ioctl resumed>) = 0
[pid 9404] close(3) = 0
[pid 9404] mkdir("./file0", 0777) = 0
./strace-static-x86_64: Process 9408 attached
[pid 5075] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9391] <... clone resumed>, parent_tid=[9409], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9409
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9391] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9408] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9391] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 9391] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9408] <... set_robust_list resumed>) = 0
[pid 9399] <... openat resumed>) = 4
[pid 5075] fstat(3, <unfinished ...>
[pid 9408] chdir("./181" <unfinished ...>
[pid 9399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9408] <... chdir resumed>) = 0
[pid 9399] <... futex resumed>) = 1
[pid 9398] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9408] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9404] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9399] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9409 attached
<unfinished ...>
[pid 9398] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9408] <... prctl resumed>) = 0
[pid 9401] <... mount resumed>) = 0
[pid 9399] <... futex resumed>) = 0
[pid 9398] <... futex resumed>) = 1
[pid 5075] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9409] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9408] setpgid(0, 0 <unfinished ...>
[pid 9401] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[ 235.815453][ T9404] loop4: detected capacity change from 0 to 4096
[ 235.837668][ T9401] NILFS (loop0): recovery complete
[ 235.854694][ T9410] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9398] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9409] <... set_robust_list resumed>) = 0
[pid 9408] <... setpgid resumed>) = 0
[pid 9401] <... openat resumed>) = 3
[pid 9391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] lstat("./181/binderfs", <unfinished ...>
[pid 9408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9401] chdir("./file0" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9401] <... chdir resumed>) = 0
[pid 9409] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9408] <... openat resumed>) = 3
[pid 9401] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] unlink("./181/binderfs" <unfinished ...>
[pid 9409] <... mmap resumed>) = 0x20000000
[pid 9408] write(3, "1000", 4 <unfinished ...>
[pid 9401] <... ioctl resumed>) = 0
[pid 9408] <... write resumed>) = 4
[pid 9401] close(4 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 9408] close(3 <unfinished ...>
[pid 9401] <... close resumed>) = 0
[pid 5075] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9409] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9409] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9408] <... close resumed>) = 0
[pid 9408] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9401] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9408] <... symlink resumed>) = 0
[pid 9401] <... futex resumed>) = 1
[pid 9397] <... futex resumed>) = 0
[pid 9408] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9408] <... futex resumed>) = 0
[pid 9401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9401] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9408] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9398] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9408] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9398] <... futex resumed>) = 0
[pid 9408] <... mprotect resumed>) = 0
[pid 9398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9408] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9398] <... mmap resumed>) = 0x7fe4250d7000
[pid 9401] <... openat resumed>) = 4
[pid 9401] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9398] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9408] <... clone resumed>, parent_tid=[9411], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9411
[pid 9401] <... futex resumed>) = 1
[pid 9398] <... mprotect resumed>) = 0
[pid 9397] <... futex resumed>) = 0
[pid 9408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9398] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9408] <... futex resumed>) = 0
[pid 9401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9397] <... futex resumed>) = 0
[pid 9408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9398] <... clone resumed>, parent_tid=[9412], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9412
[pid 9397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9398] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9398] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9412 attached
<unfinished ...>
[pid 9412] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9412] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[ 235.931049][ T9404] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9412] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9411 attached
) = 1
[pid 9398] <... futex resumed>) = 0
[pid 9412] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9411] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9411] memfd_create("syzkaller", 0) = 3
[pid 5075] <... umount2 resumed>) = 0
[pid 9411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9411] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9397] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9397] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5075] lstat("./181/file0", <unfinished ...>
[pid 9397] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9397] <... clone resumed>, parent_tid=[9413], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9413
[pid 5075] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9397] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9397] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9413 attached
<unfinished ...>
[pid 9397] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9413] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9413] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 9413] <... mmap resumed>) = 0x20000000
[pid 5075] fstat(4, <unfinished ...>
[pid 9413] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 235.991156][ T9404] NILFS (loop4): trying rollback from an earlier position
[pid 5075] getdents64(4, <unfinished ...>
[pid 9413] <... futex resumed>) = 1
[pid 9397] <... futex resumed>) = 0
[pid 9413] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./181/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./181") = 0
[pid 5075] mkdir("./182", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9414
[pid 9394] <... write resumed>) = 450560
[pid 9394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9391] exit_group(0./strace-static-x86_64: Process 9414 attached
<unfinished ...>
[pid 9414] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9409] <... futex resumed>) = ?
[pid 9394] <... futex resumed>) = ?
[pid 9391] <... exit_group resumed>) = ?
[pid 9414] chdir("./182" <unfinished ...>
[pid 9409] +++ exited with 0 +++
[pid 9394] +++ exited with 0 +++
[pid 9414] <... chdir resumed>) = 0
[pid 9391] +++ exited with 0 +++
[ 236.088685][ T9404] NILFS (loop4): recovery complete
[pid 9414] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9391, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 9414] <... prctl resumed>) = 0
[pid 9399] <... write resumed>) = 409600
[pid 9411] <... write resumed>) = 2097152
[pid 9399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9411] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9399] <... futex resumed>) = 0
[pid 5071] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9411] <... munmap resumed>) = 0
[pid 9399] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9411] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9411] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 3
[pid 9411] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 9414] setpgid(0, 0 <unfinished ...>
[pid 9404] <... mount resumed>) = 0
[pid 9398] exit_group(0 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9414] <... setpgid resumed>) = 0
[pid 9412] <... futex resumed>) = ?
[pid 9404] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9398] <... exit_group resumed>) = ?
[pid 9414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9412] +++ exited with 0 +++
[pid 9404] <... openat resumed>) = 3
[pid 9414] <... openat resumed>) = 3
[pid 9404] chdir("./file0" <unfinished ...>
[pid 9399] <... futex resumed>) = ?
[pid 5071] getdents64(3, <unfinished ...>
[pid 9414] write(3, "1000", 4 <unfinished ...>
[pid 9404] <... chdir resumed>) = 0
[pid 9414] <... write resumed>) = 4
[pid 9404] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9414] close(3 <unfinished ...>
[pid 9404] <... ioctl resumed>) = 0
[pid 9414] <... close resumed>) = 0
[pid 9404] close(4 <unfinished ...>
[pid 9414] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9404] <... close resumed>) = 0
[pid 9414] <... symlink resumed>) = 0
[pid 9404] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9399] +++ exited with 0 +++
[pid 9398] +++ exited with 0 +++
[pid 9414] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9404] <... futex resumed>) = 1
[pid 9414] <... futex resumed>) = 0
[pid 9404] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9414] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9414] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9416], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9416
[pid 9414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9416 attached
<unfinished ...>
[pid 9416] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9416] memfd_create("syzkaller", 0) = 3
[pid 9416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9403] <... futex resumed>) = 0
[pid 9403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9404] <... futex resumed>) = 0
[pid 9403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9404] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9401] <... write resumed>) = 290816
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9398, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 5071] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9411] <... ioctl resumed>) = 0
[pid 9416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9404] <... openat resumed>) = 4
[pid 9401] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9404] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] <... futex resumed>) = 0
[pid 9397] exit_group(0 <unfinished ...>
[pid 9411] close(3 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./177/binderfs", <unfinished ...>
[pid 9413] <... futex resumed>) = ?
[pid 9411] <... close resumed>) = 0
[pid 9404] <... futex resumed>) = 1
[pid 9403] <... futex resumed>) = 0
[pid 9397] <... exit_group resumed>) = ?
[pid 5072] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9411] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] unlink("./177/binderfs" <unfinished ...>
[pid 9413] +++ exited with 0 +++
[pid 9411] <... mkdir resumed>) = 0
[ 236.131999][ T9415] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 236.146372][ T9411] loop3: detected capacity change from 0 to 4096
[pid 9404] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9401] +++ exited with 0 +++
[pid 9397] +++ exited with 0 +++
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... unlink resumed>) = 0
[pid 9411] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9403] <... futex resumed>) = 0
[pid 9403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9397, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] lstat("./180/binderfs", <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 5072] unlink("./180/binderfs" <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./177/binderfs") = 0
[pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9416] <... write resumed>) = 2097152
[pid 9416] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9403] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[ 236.205224][ T9411] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 236.235215][ T9411] NILFS (loop3): trying rollback from an earlier position
[pid 9416] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 9403] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] <... umount2 resumed>) = 0
[pid 9403] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9403] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9417], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9417
[pid 9403] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9403] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9416] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] lstat("./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9417 attached
[pid 9416] <... ioctl resumed>) = 0
[pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9416] close(3 <unfinished ...>
[pid 9417] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9417] <... set_robust_list resumed>) = 0
[pid 9416] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9417] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9416] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5070] fstat(4, <unfinished ...>
[pid 9417] <... mmap resumed>) = 0x20000000
[pid 9416] <... mkdir resumed>) = 0
[pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9417] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9416] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9411] <... mount resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(4, <unfinished ...>
[pid 9411] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9417] <... futex resumed>) = 1
[pid 9411] <... openat resumed>) = 3
[pid 9411] chdir("./file0" <unfinished ...>
[pid 9417] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9411] <... chdir resumed>) = 0
[pid 9403] <... futex resumed>) = 0
[pid 5072] lstat("./180/file0", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9411] ioctl(4, LOOP_CLR_FD) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[ 236.278377][ T9411] NILFS (loop3): recovery complete
[ 236.285726][ T9416] loop5: detected capacity change from 0 to 4096
[ 236.310132][ T9418] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9411] close(4) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9411] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9411] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9408] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... close resumed>) = 0
[pid 9408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 5072] fstat(4, <unfinished ...>
[pid 5071] lstat("./177/file0", <unfinished ...>
[pid 5070] rmdir("./177/file0" <unfinished ...>
[pid 9411] <... futex resumed>) = 0
[pid 9411] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... openat resumed>) = 4
[pid 5072] close(4 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./180/file0" <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] rmdir("./177" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5070] mkdir("./178", 0777 <unfinished ...>
[pid 5071] rmdir("./177/file0" <unfinished ...>
[pid 9411] <... openat resumed>) = 4
[pid 5072] <... close resumed>) = 0
[pid 9411] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9408] <... futex resumed>) = 0
[pid 9411] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9408] <... futex resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 9411] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] rmdir("./180" <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] mkdir("./181", 0777 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[ 236.337750][ T9416] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 236.348660][ T9416] NILFS (loop5): trying rollback from an earlier position
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9404] <... write resumed>) = 233472
[pid 5072] <... openat resumed>) = 3
[pid 5071] rmdir("./177" <unfinished ...>
[pid 9404] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3 <unfinished ...>
[pid 9404] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9404] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9403] exit_group(0 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9417] <... futex resumed>) = ?
[pid 9404] <... futex resumed>) = ?
[pid 9403] <... exit_group resumed>) = ?
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9420
[pid 5071] mkdir("./178", 0777 <unfinished ...>
[pid 9417] +++ exited with 0 +++
[pid 9416] <... mount resumed>) = 0
[pid 9404] +++ exited with 0 +++
[pid 9416] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9416] chdir("./file0" <unfinished ...>
[pid 9403] +++ exited with 0 +++
[pid 9416] <... chdir resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9403, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9416] ioctl(4, LOOP_CLR_FD) = 0
[pid 9416] close(4) = 0
[pid 9416] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[ 236.390518][ T9416] NILFS (loop5): recovery complete
./strace-static-x86_64: Process 9421 attached
./strace-static-x86_64: Process 9420 attached
[pid 9416] <... futex resumed>) = 1
[pid 9414] <... futex resumed>) = 0
[pid 9408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9421
[pid 9416] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9408] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9421] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9420] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9414] <... futex resumed>) = 0
[pid 9408] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9420] <... set_robust_list resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9421] <... set_robust_list resumed>) = 0
[pid 9408] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9420] chdir("./181" <unfinished ...>
[pid 9421] chdir("./178" <unfinished ...>
[pid 9408] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9421] <... chdir resumed>) = 0
[pid 9420] <... chdir resumed>) = 0
[pid 9408] <... mprotect resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(3 <unfinished ...>
[pid 9421] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9420] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9408] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9421] <... prctl resumed>) = 0
[pid 9420] <... prctl resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9408] <... clone resumed>, parent_tid=[9422], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9422
[pid 9408] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9421] setpgid(0, 0 <unfinished ...>
[pid 9420] setpgid(0, 0 <unfinished ...>
[pid 9408] <... futex resumed>) = 0
[pid 9421] <... setpgid resumed>) = 0
[pid 9420] <... setpgid resumed>) = 0
[pid 9408] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9420] <... openat resumed>) = 3
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9421] <... openat resumed>) = 3
[pid 5074] getdents64(3, <unfinished ...>
[pid 9421] write(3, "1000", 4 <unfinished ...>
[pid 9420] write(3, "1000", 4 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9423
[pid 9421] <... write resumed>) = 4
[pid 9420] <... write resumed>) = 4
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9421] close(3 <unfinished ...>
[pid 9420] close(3 <unfinished ...>
[pid 5074] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9421] <... close resumed>) = 0
[pid 9420] <... close resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9421] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9420] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] lstat("./179/binderfs", <unfinished ...>
[pid 9421] <... symlink resumed>) = 0
[pid 9421] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9420] <... symlink resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9421] <... futex resumed>) = 0
[pid 9420] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] unlink("./179/binderfs" <unfinished ...>
[pid 9421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9420] <... futex resumed>) = 0
[pid 9420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9421] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9420] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9421] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9420] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9421] <... mprotect resumed>) = 0
[pid 9420] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9423 attached
[pid 9423] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9423] chdir("./178") = 0
[pid 9423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9423] setpgid(0, 0) = 0
[pid 9423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9423] write(3, "1000", 4) = 4
[pid 9423] close(3) = 0
[pid 9423] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9421] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9420] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9416] <... openat resumed>) = 4
[pid 9416] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9423] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9421] <... clone resumed>, parent_tid=[9424], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9424
[pid 9420] <... clone resumed>, parent_tid=[9425], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9425
[pid 9416] <... futex resumed>) = 1
[pid 9414] <... futex resumed>) = 0
[pid 9423] <... futex resumed>) = 0
[pid 9421] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9420] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9416] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9421] <... futex resumed>) = 0
[pid 9420] <... futex resumed>) = 0
[pid 9416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9414] <... futex resumed>) = 0
./strace-static-x86_64: Process 9424 attached
[pid 9423] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9421] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9420] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 236.421575][ T9419] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9416] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9424] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9423] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9425 attached
./strace-static-x86_64: Process 9422 attached
<unfinished ...>
[pid 9424] <... set_robust_list resumed>) = 0
[pid 9423] <... mprotect resumed>) = 0
[pid 9425] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9424] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9423] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9422] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9425] <... set_robust_list resumed>) = 0
[pid 9424] <... memfd_create resumed>) = 3
[pid 9408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9425] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9423] <... clone resumed>, parent_tid=[9426], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9426
[pid 9422] <... set_robust_list resumed>) = 0
[pid 9425] <... memfd_create resumed>) = 3
[pid 9424] <... mmap resumed>) = 0x7fe424ef8000
[pid 9423] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9422] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9423] <... futex resumed>) = 0
[pid 9423] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9426 attached
<unfinished ...>
[pid 9426] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9426] memfd_create("syzkaller", 0) = 3
[pid 9426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9422] <... mmap resumed>) = 0x20000000
[pid 9425] <... mmap resumed>) = 0x7fe424ef8000
[pid 9422] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 9422] <... futex resumed>) = 0
[pid 9422] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] getdents64(4, <unfinished ...>
[pid 9424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9414] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9414] <... futex resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5074] <... close resumed>) = 0
[pid 9414] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9414] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9427], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9427
[pid 9414] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9414] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] rmdir("./179/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] close(3) = 0
[pid 5074] rmdir("./179") = 0
[pid 5074] mkdir("./180", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3) = 0
./strace-static-x86_64: Process 9427 attached
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9427] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9427] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9428
[pid 9427] <... mmap resumed>) = 0x20000000
./strace-static-x86_64: Process 9428 attached
[pid 9427] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9428] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9427] <... futex resumed>) = 1
[pid 9414] <... futex resumed>) = 0
[pid 9428] <... set_robust_list resumed>) = 0
[pid 9427] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9428] chdir("./180") = 0
[pid 9425] <... write resumed>) = 2097152
[pid 9428] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9425] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9428] <... prctl resumed>) = 0
[pid 9425] <... munmap resumed>) = 0
[pid 9428] setpgid(0, 0 <unfinished ...>
[pid 9425] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9424] <... write resumed>) = 2097152
[pid 9411] <... write resumed>) = 516096
[pid 9428] <... setpgid resumed>) = 0
[pid 9425] <... openat resumed>) = 4
[pid 9411] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9424] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9428] <... openat resumed>) = 3
[pid 9425] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9411] <... futex resumed>) = 0
[pid 9408] exit_group(0 <unfinished ...>
[pid 9428] write(3, "1000", 4 <unfinished ...>
[pid 9422] <... futex resumed>) = ?
[pid 9424] <... munmap resumed>) = 0
[pid 9408] <... exit_group resumed>) = ?
[pid 9428] <... write resumed>) = 4
[pid 9422] +++ exited with 0 +++
[pid 9428] close(3) = 0
[pid 9428] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9428] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9428] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9428] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9429], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9429
[pid 9428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9424] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9411] +++ exited with 0 +++
[pid 9408] +++ exited with 0 +++
[pid 9428] <... futex resumed>) = 0
[pid 9428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9424] <... openat resumed>) = 4
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9408, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9424] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9429 attached
<unfinished ...>
[pid 9429] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9429] memfd_create("syzkaller", 0) = 3
[pid 9429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9426] <... write resumed>) = 2097152
[pid 9425] <... ioctl resumed>) = 0
[pid 9424] <... ioctl resumed>) = 0
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9426] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9425] close(3 <unfinished ...>
[pid 9424] close(3 <unfinished ...>
[pid 9425] <... close resumed>) = 0
[pid 9424] <... close resumed>) = 0
[pid 9425] mkdir("./file0", 0777 <unfinished ...>
[pid 9424] mkdir("./file0", 0777 <unfinished ...>
[pid 9426] <... munmap resumed>) = 0
[pid 9426] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9425] <... mkdir resumed>) = 0
[pid 9424] <... mkdir resumed>) = 0
[pid 5073] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9425] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9424] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9426] <... openat resumed>) = 4
[ 236.653410][ T9425] loop2: detected capacity change from 0 to 4096
[ 236.668740][ T9424] loop0: detected capacity change from 0 to 4096
[pid 9429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9426] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9416] <... write resumed>) = 282624
[pid 5073] unlink("./181/binderfs" <unfinished ...>
[pid 9416] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9416] <... futex resumed>) = 0
[pid 9414] exit_group(0 <unfinished ...>
[pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9427] <... futex resumed>) = ?
[pid 9414] <... exit_group resumed>) = ?
[pid 9427] +++ exited with 0 +++
[pid 9426] <... ioctl resumed>) = 0
[pid 9426] close(3) = 0
[pid 9426] mkdir("./file0", 0777) = 0
[pid 9426] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9416] +++ exited with 0 +++
[pid 9414] +++ exited with 0 +++
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9414, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[ 236.712574][ T9424] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 236.715275][ T9426] loop1: detected capacity change from 0 to 4096
[ 236.722042][ T9425] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 236.740682][ T9425] NILFS (loop2): trying rollback from an earlier position
[ 236.748716][ T9424] NILFS (loop0): trying rollback from an earlier position
[pid 5075] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./182/binderfs") = 0
[ 236.773848][ T9426] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 236.787603][ T9425] NILFS (loop2): recovery complete
[ 236.802072][ T9424] NILFS (loop0): recovery complete
[pid 5075] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9425] <... mount resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 9429] <... write resumed>) = 2097152
[pid 9429] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9429] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 9429] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9425] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9424] <... mount resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 9425] <... openat resumed>) = 3
[pid 9424] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9425] chdir("./file0" <unfinished ...>
[pid 9424] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9425] <... chdir resumed>) = 0
[pid 9424] chdir("./file0" <unfinished ...>
[pid 5073] lstat("./181/file0", <unfinished ...>
[pid 9425] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9424] <... chdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9425] <... ioctl resumed>) = 0
[pid 9424] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9425] close(4 <unfinished ...>
[pid 9424] <... ioctl resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9429] <... ioctl resumed>) = 0
[pid 9425] <... close resumed>) = 0
[pid 9424] close(4 <unfinished ...>
[pid 5075] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9429] close(3 <unfinished ...>
[pid 9425] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9424] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 4
[pid 9425] <... futex resumed>) = 1
[pid 9424] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9429] <... close resumed>) = 0
[pid 9420] <... futex resumed>) = 0
[pid 5075] lstat("./182/file0", <unfinished ...>
[pid 9425] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9424] <... futex resumed>) = 1
[pid 9421] <... futex resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 236.837698][ T9430] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 236.843259][ T9431] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 236.866677][ T9426] NILFS (loop1): trying rollback from an earlier position
[ 236.874492][ T9429] loop4: detected capacity change from 0 to 4096
[pid 9429] mkdir("./file0", 0777 <unfinished ...>
[pid 9424] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9421] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9420] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9429] <... mkdir resumed>) = 0
[pid 9425] <... futex resumed>) = 0
[pid 9424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9421] <... futex resumed>) = 0
[pid 9420] <... futex resumed>) = 1
[pid 5075] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9425] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9424] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9421] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9420] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(4, <unfinished ...>
[pid 9429] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9425] <... openat resumed>) = 4
[pid 9424] <... openat resumed>) = 4
[ 236.896985][ T9426] NILFS (loop1): recovery complete
[pid 5075] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9425] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9424] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 9425] <... futex resumed>) = 1
[pid 9420] <... futex resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 9425] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9420] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9424] <... futex resumed>) = 1
[pid 9420] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 9425] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9424] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9421] <... futex resumed>) = 0
[pid 9420] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... close resumed>) = 0
[pid 9426] <... mount resumed>) = 0
[pid 9421] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./181/file0" <unfinished ...>
[pid 9424] <... futex resumed>) = 0
[pid 9421] <... futex resumed>) = 1
[pid 5073] <... rmdir resumed>) = 0
[pid 9424] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9421] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9426] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./181") = 0
[pid 5073] mkdir("./182", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3 <unfinished ...>
[pid 9426] <... openat resumed>) = 3
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... close resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9433
[pid 9426] chdir("./file0" <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 9426] <... chdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9426] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] rmdir("./182/file0" <unfinished ...>
[pid 9426] <... ioctl resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 9426] close(4) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9426] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9426] <... futex resumed>) = 1
[pid 9423] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9423] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9426] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9423] <... futex resumed>) = 0
[pid 9423] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] rmdir("./182"./strace-static-x86_64: Process 9433 attached
<unfinished ...>
[pid 9426] <... openat resumed>) = 4
[pid 9420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9433] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9426] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9420] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9433] <... set_robust_list resumed>) = 0
[pid 9426] <... futex resumed>) = 1
[pid 9423] <... futex resumed>) = 0
[pid 9420] <... futex resumed>) = 0
[pid 5075] mkdir("./183", 0777 <unfinished ...>
[pid 9423] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9426] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9423] <... futex resumed>) = 0
[pid 9423] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9420] <... mmap resumed>) = 0x7fe4250d7000
[pid 9433] chdir("./182" <unfinished ...>
[pid 9421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9420] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9421] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9433] <... chdir resumed>) = 0
[pid 9420] <... mprotect resumed>) = 0
[pid 9433] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[ 236.928915][ T9432] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 236.952692][ T9429] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 236.971794][ T9429] NILFS (loop4): trying rollback from an earlier position
[pid 9421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9420] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9433] <... prctl resumed>) = 0
[pid 9421] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 9434 attached
<unfinished ...>
[pid 9433] setpgid(0, 0 <unfinished ...>
[pid 9421] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9420] <... clone resumed>, parent_tid=[9434], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9434
[pid 9434] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9433] <... setpgid resumed>) = 0
[pid 9421] <... mprotect resumed>) = 0
[pid 9420] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9421] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9435], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9435
[pid 9421] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9421] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9434] <... set_robust_list resumed>) = 0
[pid 9433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9420] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9434] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9433] <... openat resumed>) = 3
[pid 9420] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... close resumed>) = 0
./strace-static-x86_64: Process 9435 attached
[pid 9434] <... mmap resumed>) = 0x20000000
[pid 9433] write(3, "1000", 4 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9435] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9434] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9433] <... write resumed>) = 4
[pid 9435] <... set_robust_list resumed>) = 0
[pid 9435] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9434] <... futex resumed>) = 1
[pid 9433] close(3 <unfinished ...>
[pid 9423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9420] <... futex resumed>) = 0
./strace-static-x86_64: Process 9436 attached
[pid 9435] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9434] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9433] <... close resumed>) = 0
[pid 9423] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9436] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9433] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9423] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9436
[ 237.034625][ T9429] NILFS (loop4): recovery complete
[pid 9423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9436] <... set_robust_list resumed>) = 0
[pid 9435] <... futex resumed>) = 1
[pid 9433] <... symlink resumed>) = 0
[pid 9423] <... mmap resumed>) = 0x7fe4250d7000
[pid 9421] <... futex resumed>) = 0
[pid 9435] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9423] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9436] chdir("./183" <unfinished ...>
[pid 9433] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9423] <... mprotect resumed>) = 0
[pid 9436] <... chdir resumed>) = 0
[pid 9433] <... futex resumed>) = 0
[pid 9429] <... mount resumed>) = 0
[pid 9423] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9438], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9438
[pid 9423] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9423] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9438 attached
<unfinished ...>
[pid 9436] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9438] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9436] <... prctl resumed>) = 0
[pid 9433] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9429] <... openat resumed>) = 3
[pid 9438] <... set_robust_list resumed>) = 0
[pid 9436] setpgid(0, 0 <unfinished ...>
[pid 9433] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9429] chdir("./file0" <unfinished ...>
[pid 9438] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9436] <... setpgid resumed>) = 0
[pid 9433] <... mprotect resumed>) = 0
[pid 9429] <... chdir resumed>) = 0
[pid 9438] <... mmap resumed>) = 0x20000000
[pid 9436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9429] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9433] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9438] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9436] <... openat resumed>) = 3
[pid 9429] <... ioctl resumed>) = 0
[pid 9424] <... write resumed>) = 188416
[pid 9438] <... futex resumed>) = 1
[pid 9436] write(3, "1000", 4 <unfinished ...>
[pid 9429] close(4 <unfinished ...>
[pid 9424] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9423] <... futex resumed>) = 0
[pid 9421] exit_group(0./strace-static-x86_64: Process 9439 attached
<unfinished ...>
[pid 9438] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9436] <... write resumed>) = 4
[pid 9435] <... futex resumed>) = ?
[pid 9433] <... clone resumed>, parent_tid=[9439], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9439
[pid 9429] <... close resumed>) = 0
[pid 9424] <... futex resumed>) = ?
[pid 9421] <... exit_group resumed>) = ?
[pid 9439] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9436] close(3 <unfinished ...>
[pid 9435] +++ exited with 0 +++
[pid 9433] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9424] +++ exited with 0 +++
[pid 9421] +++ exited with 0 +++
[pid 9439] <... set_robust_list resumed>) = 0
[pid 9436] <... close resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9421, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 9439] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9433] <... futex resumed>) = 0
[pid 9429] <... futex resumed>) = 1
[pid 9436] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9428] <... futex resumed>) = 0
[pid 9439] <... memfd_create resumed>) = 3
[pid 9433] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9429] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9436] <... symlink resumed>) = 0
[ 237.089482][ T9437] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9436] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9429] <... openat resumed>) = 4
[pid 9428] <... futex resumed>) = 0
[pid 9425] <... write resumed>) = 253952
[pid 9439] <... mmap resumed>) = 0x7fe424ef8000
[pid 9436] <... futex resumed>) = 0
[pid 9429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9425] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9429] <... futex resumed>) = 0
[pid 9428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9425] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9436] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9429] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9425] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9420] exit_group(0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9436] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9434] <... futex resumed>) = ?
[pid 9429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9428] <... futex resumed>) = 0
[pid 9425] <... futex resumed>) = ?
[pid 9420] <... exit_group resumed>) = ?
[pid 5070] <... openat resumed>) = 3
[pid 9436] <... mprotect resumed>) = 0
[pid 9434] +++ exited with 0 +++
[pid 9429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9436] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9425] +++ exited with 0 +++
[pid 9420] +++ exited with 0 +++
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9436] <... clone resumed>, parent_tid=[9440], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9440
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9436] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9436] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9436] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./178/binderfs") = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9420, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9440 attached
<unfinished ...>
[pid 5072] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9440] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9440] <... set_robust_list resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9440] memfd_create("syzkaller", 0) = 3
[pid 5072] fstat(3, <unfinished ...>
[pid 9440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9440] <... mmap resumed>) = 0x7fe424ef8000
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./181/binderfs") = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 9428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9426] <... write resumed>) = 450560
[pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9428] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9426] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9428] <... futex resumed>) = 0
[pid 9426] <... futex resumed>) = 0
[pid 9428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9426] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9428] <... mmap resumed>) = 0x7fe4250d7000
[pid 9423] exit_group(0 <unfinished ...>
[pid 9438] <... futex resumed>) = ?
[pid 9428] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9426] <... futex resumed>) = ?
[pid 9423] <... exit_group resumed>) = ?
[pid 9438] +++ exited with 0 +++
[pid 9428] <... mprotect resumed>) = 0
[pid 9426] +++ exited with 0 +++
[pid 9423] +++ exited with 0 +++
[pid 9428] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9423, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9428] <... clone resumed>, parent_tid=[9441], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9441
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9428] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5071] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 9440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9428] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9441 attached
[pid 5071] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9441] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./178/binderfs" <unfinished ...>
[pid 9441] <... set_robust_list resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9441] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9441] <... mmap resumed>) = 0x20000000
[pid 5070] lstat("./178/file0", <unfinished ...>
[pid 9441] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9428] <... futex resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9441] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./178/file0") = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9439] <... write resumed>) = 2097152
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9439] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5070] close(3) = 0
[pid 5070] rmdir("./178") = 0
[pid 9439] <... munmap resumed>) = 0
[pid 5070] mkdir("./179", 0777) = 0
[pid 9439] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9439] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9440] <... write resumed>) = 2097152
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] close(3) = 0
[pid 5072] lstat("./181/file0", <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9442
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, ./strace-static-x86_64: Process 9442 attached
<unfinished ...>
[pid 9442] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9442] <... set_robust_list resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9442] chdir("./179" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9442] <... chdir resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9442] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9442] <... prctl resumed>) = 0
[pid 5072] rmdir("./181/file0" <unfinished ...>
[pid 9442] setpgid(0, 0) = 0
[pid 9442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9442] <... openat resumed>) = 3
[pid 9439] <... ioctl resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9442] write(3, "1000", 4 <unfinished ...>
[pid 9439] close(3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9442] <... write resumed>) = 4
[pid 9439] <... close resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 9442] close(3 <unfinished ...>
[pid 9440] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9439] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9442] <... close resumed>) = 0
[pid 9440] <... munmap resumed>) = 0
[pid 9439] <... mkdir resumed>) = 0
[pid 5072] rmdir("./181" <unfinished ...>
[ 237.308276][ T9439] loop3: detected capacity change from 0 to 4096
[pid 9442] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9440] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9439] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9442] <... symlink resumed>) = 0
[pid 9440] <... openat resumed>) = 4
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 9442] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9440] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] mkdir("./182", 0777 <unfinished ...>
[pid 9442] <... futex resumed>) = 0
[pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9429] <... write resumed>) = 229376
[pid 5072] <... mkdir resumed>) = 0
[pid 9442] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9442] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9442] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9443], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9443
[pid 9442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9443 attached
<unfinished ...>
[pid 9443] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] lstat("./178/file0", <unfinished ...>
[pid 9429] <... futex resumed>) = 0
[pid 9429] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9443] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9428] exit_group(0 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9443] <... memfd_create resumed>) = 3
[pid 9441] <... futex resumed>) = ?
[pid 9429] <... futex resumed>) = ?
[pid 9428] <... exit_group resumed>) = ?
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9441] +++ exited with 0 +++
[pid 9440] <... ioctl resumed>) = 0
[pid 9429] +++ exited with 0 +++
[pid 9443] <... mmap resumed>) = 0x7fe424ef8000
[pid 9440] close(3) = 0
[pid 9428] +++ exited with 0 +++
[pid 5072] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9440] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9428, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5072] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 9440] <... mkdir resumed>) = 0
[pid 9440] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5074] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9444
[pid 5071] getdents64(4, <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... openat resumed>) = 3
[pid 5071] getdents64(4, <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(4 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] rmdir("./178/file0" <unfinished ...>
[pid 5074] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... rmdir resumed>) = 0
[pid 5074] lstat("./180/binderfs", <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] unlink("./180/binderfs" <unfinished ...>
[ 237.365502][ T9439] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 237.376071][ T9440] loop5: detected capacity change from 0 to 4096
[ 237.384441][ T9439] NILFS (loop3): trying rollback from an earlier position
[pid 5071] close(3 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./178") = 0
[pid 5071] mkdir("./179", 0777./strace-static-x86_64: Process 9444 attached
<unfinished ...>
[pid 9444] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9444] <... set_robust_list resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9444] chdir("./182") = 0
[pid 9444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9444] setpgid(0, 0) = 0
[pid 9444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9444] write(3, "1000", 4 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9444] <... write resumed>) = 4
[pid 9444] close(3) = 0
[pid 9444] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9444] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9444] <... futex resumed>) = 0
[pid 9444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9444] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9444] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9444] <... mprotect resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9444] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9445
[pid 9444] <... clone resumed>, parent_tid=[9446], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9446
[pid 9444] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9444] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9445 attached
<unfinished ...>
[pid 9445] set_robust_list(0x555556a0d5e0, 24) = 0
./strace-static-x86_64: Process 9446 attached
[pid 9445] chdir("./179" <unfinished ...>
[pid 9446] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9445] <... chdir resumed>) = 0
[pid 9446] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9445] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9446] <... memfd_create resumed>) = 3
[pid 9446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9445] <... prctl resumed>) = 0
[pid 9446] <... mmap resumed>) = 0x7fe424ef8000
[pid 9445] setpgid(0, 0) = 0
[pid 9445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9445] write(3, "1000", 4) = 4
[ 237.427918][ T9440] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 237.436129][ T9440] NILFS (loop5): trying rollback from an earlier position
[ 237.450200][ T9439] NILFS (loop3): recovery complete
[pid 9445] close(3) = 0
[pid 9445] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9439] <... mount resumed>) = 0
[pid 9445] <... symlink resumed>) = 0
[pid 9439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9445] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9439] <... openat resumed>) = 3
[pid 9445] <... futex resumed>) = 0
[pid 9439] chdir("./file0" <unfinished ...>
[pid 9445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9439] <... chdir resumed>) = 0
[pid 9445] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9439] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9445] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9439] <... ioctl resumed>) = 0
[pid 9445] <... mprotect resumed>) = 0
[pid 9439] close(4 <unfinished ...>
[pid 9445] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9439] <... close resumed>) = 0
[pid 9445] <... clone resumed>, parent_tid=[9448], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9448
[pid 9439] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9445] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9439] <... futex resumed>) = 1
[pid 9433] <... futex resumed>) = 0
[pid 9445] <... futex resumed>) = 0
[pid 9439] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9433] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9448 attached
<unfinished ...>
[pid 9445] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9443] <... write resumed>) = 2097152
[pid 9439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9433] <... futex resumed>) = 0
[pid 9448] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9439] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9433] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9448] <... set_robust_list resumed>) = 0
[pid 9448] memfd_create("syzkaller", 0) = 3
[pid 9446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[ 237.491522][ T9447] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9448] <... mmap resumed>) = 0x7fe424ef8000
[pid 9439] <... openat resumed>) = 4
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9443] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9439] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] lstat("./180/file0", <unfinished ...>
[pid 9443] <... munmap resumed>) = 0
[pid 9439] <... futex resumed>) = 1
[pid 9433] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9443] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9439] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9433] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9443] <... openat resumed>) = 4
[pid 9439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9433] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 237.543010][ T9440] NILFS (loop5): recovery complete
[pid 9443] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9439] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9433] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9448] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./180/file0" <unfinished ...>
[pid 9443] <... ioctl resumed>) = 0
[pid 9443] close(3) = 0
[pid 9443] mkdir("./file0", 0777) = 0
[pid 9443] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9440] <... mount resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9440] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9440] <... openat resumed>) = 3
[pid 9440] chdir("./file0" <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9440] <... chdir resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9446] <... write resumed>) = 2097152
[pid 9440] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] rmdir("./180" <unfinished ...>
[pid 9440] <... ioctl resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9440] close(4 <unfinished ...>
[pid 9433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] mkdir("./181", 0777 <unfinished ...>
[pid 9440] <... close resumed>) = 0
[pid 9440] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9436] <... futex resumed>) = 0
[pid 9440] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9436] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9436] <... futex resumed>) = 0
[pid 9440] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9436] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9433] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9440] <... openat resumed>) = 4
[pid 9433] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9440] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9440] <... futex resumed>) = 1
[pid 9436] <... futex resumed>) = 0
[pid 9433] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9440] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 237.573544][ T9443] loop0: detected capacity change from 0 to 4096
[ 237.592957][ T9449] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9436] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9433] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9436] <... futex resumed>) = 0
[pid 9433] <... mprotect resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9440] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9436] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9433] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9446] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9446] <... munmap resumed>) = 0
[pid 9433] <... clone resumed>, parent_tid=[9450], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9450
[pid 9446] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 9433] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9446] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9433] <... futex resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9451
./strace-static-x86_64: Process 9450 attached
[pid 9433] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9450] set_robust_list(0x7fe4250f79e0, 24./strace-static-x86_64: Process 9451 attached
) = 0
[pid 9451] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9450] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9451] <... set_robust_list resumed>) = 0
[pid 9451] chdir("./181") = 0
[pid 9450] <... mmap resumed>) = 0x20000000
[pid 9451] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9450] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9451] <... prctl resumed>) = 0
[pid 9450] <... futex resumed>) = 1
[pid 9433] <... futex resumed>) = 0
[pid 9451] setpgid(0, 0 <unfinished ...>
[pid 9450] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9451] <... setpgid resumed>) = 0
[pid 9451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9451] write(3, "1000", 4) = 4
[pid 9451] close(3) = 0
[pid 9451] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9451] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9448] <... write resumed>) = 2097152
[pid 9451] <... futex resumed>) = 0
[ 237.648214][ T9443] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 237.677781][ T9446] loop2: detected capacity change from 0 to 4096
[pid 9451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9446] <... ioctl resumed>) = 0
[pid 9451] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9446] close(3 <unfinished ...>
[pid 9451] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9446] <... close resumed>) = 0
[pid 9451] <... mprotect resumed>) = 0
[pid 9446] mkdir("./file0", 0777 <unfinished ...>
[pid 9451] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9446] <... mkdir resumed>) = 0
[pid 9436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9446] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9436] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9451] <... clone resumed>, parent_tid=[9452], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9452
[pid 9436] <... futex resumed>) = 0
[pid 9451] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9448] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9451] <... futex resumed>) = 0
[pid 9448] <... munmap resumed>) = 0
[pid 9436] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9452 attached
[pid 9451] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9448] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9436] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9452] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9448] <... openat resumed>) = 4
[pid 9436] <... mprotect resumed>) = 0
[pid 9452] <... set_robust_list resumed>) = 0
[pid 9448] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9436] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9453 attached
<unfinished ...>
[pid 9452] memfd_create("syzkaller", 0) = 3
[pid 9436] <... clone resumed>, parent_tid=[9453], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9453
[pid 9453] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9436] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9453] <... set_robust_list resumed>) = 0
[pid 9452] <... mmap resumed>) = 0x7fe424ef8000
[pid 9436] <... futex resumed>) = 0
[ 237.703518][ T9443] NILFS (loop0): trying rollback from an earlier position
[ 237.734104][ T9448] loop1: detected capacity change from 0 to 4096
[pid 9453] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9436] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9453] <... mmap resumed>) = 0x20000000
[pid 9453] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9448] <... ioctl resumed>) = 0
[pid 9448] close(3) = 0
[pid 9448] mkdir("./file0", 0777 <unfinished ...>
[pid 9453] <... futex resumed>) = 1
[pid 9436] <... futex resumed>) = 0
[pid 9453] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9448] <... mkdir resumed>) = 0
[pid 9448] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9439] <... write resumed>) = 352256
[pid 9439] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9433] exit_group(0 <unfinished ...>
[pid 9450] <... futex resumed>) = ?
[pid 9439] <... futex resumed>) = ?
[pid 9433] <... exit_group resumed>) = ?
[pid 9450] +++ exited with 0 +++
[pid 9439] +++ exited with 0 +++
[pid 9433] +++ exited with 0 +++
[pid 9452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9433, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5073] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[ 237.763363][ T9446] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 237.786814][ T9443] NILFS (loop0): recovery complete
[ 237.794241][ T9446] NILFS (loop2): trying rollback from an earlier position
[ 237.803845][ T9448] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 5073] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9443] <... mount resumed>) = 0
[pid 9440] <... write resumed>) = 274432
[pid 5073] lstat("./182/binderfs", <unfinished ...>
[pid 9443] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9443] chdir("./file0") = 0
[pid 9443] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9440] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9443] <... ioctl resumed>) = 0
[pid 9436] exit_group(0 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9453] <... futex resumed>) = ?
[pid 9443] close(4 <unfinished ...>
[pid 9440] <... futex resumed>) = ?
[pid 9436] <... exit_group resumed>) = ?
[pid 5073] unlink("./182/binderfs" <unfinished ...>
[pid 9453] +++ exited with 0 +++
[pid 9443] <... close resumed>) = 0
[pid 9443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9442] <... futex resumed>) = 0
[pid 9443] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9442] <... futex resumed>) = 0
[pid 9443] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9440] +++ exited with 0 +++
[pid 9436] +++ exited with 0 +++
[pid 5073] <... unlink resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9436, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} ---
[pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9443] <... openat resumed>) = 4
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 9443] <... futex resumed>) = 1
[pid 9442] <... futex resumed>) = 0
[pid 9443] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9442] <... futex resumed>) = 0
[pid 5075] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9452] <... write resumed>) = 2097152
[pid 9443] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9452] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5075] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9452] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9452] <... openat resumed>) = 4
[ 237.827751][ T9454] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 237.835246][ T9448] NILFS (loop1): trying rollback from an earlier position
[ 237.857545][ T9446] NILFS (loop2): recovery complete
[pid 5075] fstat(3, <unfinished ...>
[pid 9452] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9452] <... ioctl resumed>) = 0
[pid 9446] <... mount resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9446] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9452] close(3 <unfinished ...>
[pid 5075] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9452] <... close resumed>) = 0
[pid 9446] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9452] mkdir("./file0", 0777 <unfinished ...>
[pid 9446] chdir("./file0" <unfinished ...>
[pid 5075] lstat("./183/binderfs", <unfinished ...>
[pid 9452] <... mkdir resumed>) = 0
[pid 9446] <... chdir resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9452] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9446] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] unlink("./183/binderfs" <unfinished ...>
[pid 9446] <... ioctl resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 9446] close(4 <unfinished ...>
[ 237.886967][ T9455] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 237.899836][ T9452] loop4: detected capacity change from 0 to 4096
[pid 5075] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9446] <... close resumed>) = 0
[pid 9442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9446] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9442] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9446] <... futex resumed>) = 1
[pid 9444] <... futex resumed>) = 0
[pid 9442] <... futex resumed>) = 0
[pid 9446] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9444] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9444] <... futex resumed>) = 0
[pid 9442] <... mmap resumed>) = 0x7fe4250d7000
[pid 9446] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9444] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 237.928449][ T9448] NILFS (loop1): recovery complete
[pid 9442] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 9442] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9448] <... mount resumed>) = 0
[pid 9448] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9442] <... clone resumed>, parent_tid=[9457], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9457
[pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9448] <... openat resumed>) = 3
[pid 9442] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9448] chdir("./file0" <unfinished ...>
[pid 9442] <... futex resumed>) = 0
[pid 5073] lstat("./182/file0", ./strace-static-x86_64: Process 9457 attached
<unfinished ...>
[pid 9448] <... chdir resumed>) = 0
[pid 9442] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9446] <... openat resumed>) = 4
[pid 9457] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9448] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9457] <... set_robust_list resumed>) = 0
[pid 9448] <... ioctl resumed>) = 0
[pid 9446] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9457] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9448] close(4 <unfinished ...>
[pid 9446] <... futex resumed>) = 1
[pid 9444] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9457] <... mmap resumed>) = 0x20000000
[pid 9448] <... close resumed>) = 0
[ 237.962949][ T9456] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 237.981189][ T9452] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9446] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9457] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9444] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9448] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9457] <... futex resumed>) = 1
[pid 9448] <... futex resumed>) = 1
[pid 9445] <... futex resumed>) = 0
[pid 9444] <... futex resumed>) = 0
[pid 9442] <... futex resumed>) = 0
[pid 5075] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9457] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9448] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9445] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9444] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] fstat(4, <unfinished ...>
[pid 9448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9445] <... futex resumed>) = 0
[pid 5075] lstat("./183/file0", <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9448] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9445] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9448] <... openat resumed>) = 4
[pid 5075] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9448] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(4, <unfinished ...>
[pid 9448] <... futex resumed>) = 1
[pid 9445] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[ 238.017567][ T9452] NILFS (loop4): trying rollback from an earlier position
[pid 9448] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9445] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5073] close(4 <unfinished ...>
[pid 9448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9445] <... futex resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9448] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9445] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] rmdir("./182/file0" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] rmdir("./182" <unfinished ...>
[pid 5075] rmdir("./183/file0" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] mkdir("./183", 0777 <unfinished ...>
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9444] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9444] <... futex resumed>) = 0
[pid 5075] rmdir("./183" <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9444] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] mkdir("./184", 0777 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9444] <... mprotect resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9444] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9444] <... clone resumed>, parent_tid=[9459], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9459
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9444] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9460
[pid 9444] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9444] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... close resumed>) = 0
[ 238.089700][ T9452] NILFS (loop4): recovery complete
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9460 attached
./strace-static-x86_64: Process 9459 attached
<unfinished ...>
[pid 9452] <... mount resumed>) = 0
[pid 9445] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9460] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9459] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9452] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9445] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9461
[pid 9460] <... set_robust_list resumed>) = 0
[pid 9459] <... set_robust_list resumed>) = 0
[pid 9452] <... openat resumed>) = 3
[pid 9445] <... futex resumed>) = 0
./strace-static-x86_64: Process 9461 attached
[pid 9460] chdir("./183" <unfinished ...>
[pid 9459] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9452] chdir("./file0" <unfinished ...>
[pid 9445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9461] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9460] <... chdir resumed>) = 0
[pid 9459] <... mmap resumed>) = 0x20000000
[pid 9452] <... chdir resumed>) = 0
[pid 9445] <... mmap resumed>) = 0x7fe4250d7000
[pid 9461] <... set_robust_list resumed>) = 0
[pid 9460] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9452] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9445] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9461] chdir("./184" <unfinished ...>
[pid 9460] <... prctl resumed>) = 0
[pid 9459] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9452] <... ioctl resumed>) = 0
[pid 9445] <... mprotect resumed>) = 0
[pid 9461] <... chdir resumed>) = 0
[pid 9460] setpgid(0, 0 <unfinished ...>
[pid 9459] <... futex resumed>) = 1
[pid 9452] close(4 <unfinished ...>
[pid 9445] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9444] <... futex resumed>) = 0
[pid 9461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9460] <... setpgid resumed>) = 0
[pid 9459] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9452] <... close resumed>) = 0
[pid 9461] <... prctl resumed>) = 0
[pid 9460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9452] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9445] <... clone resumed>, parent_tid=[9462], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9462
[pid 9461] setpgid(0, 0 <unfinished ...>
[pid 9460] <... openat resumed>) = 3
[pid 9452] <... futex resumed>) = 1
[pid 9451] <... futex resumed>) = 0
[pid 9445] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9461] <... setpgid resumed>) = 0
[pid 9460] write(3, "1000", 4 <unfinished ...>
[pid 9452] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9451] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9445] <... futex resumed>) = 0
[pid 9461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9460] <... write resumed>) = 4
[pid 9452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9451] <... futex resumed>) = 0
[pid 9445] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9462 attached
<unfinished ...>
[pid 9461] <... openat resumed>) = 3
[pid 9460] close(3 <unfinished ...>
[pid 9452] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9451] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9462] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9461] write(3, "1000", 4 <unfinished ...>
[pid 9460] <... close resumed>) = 0
[pid 9443] <... write resumed>) = 380928
[pid 9462] <... set_robust_list resumed>) = 0
[pid 9461] <... write resumed>) = 4
[pid 9460] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9462] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9461] close(3 <unfinished ...>
[pid 9460] <... symlink resumed>) = 0
[pid 9452] <... openat resumed>) = 4
[pid 9443] <... futex resumed>) = 0
[ 238.131818][ T9458] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9462] <... mmap resumed>) = 0x20000000
[pid 9461] <... close resumed>) = 0
[pid 9460] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9452] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9443] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9442] exit_group(0 <unfinished ...>
[pid 9462] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9461] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9460] <... futex resumed>) = 0
[pid 9452] <... futex resumed>) = 1
[pid 9451] <... futex resumed>) = 0
[pid 9462] <... futex resumed>) = 1
[pid 9461] <... symlink resumed>) = 0
[pid 9460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9457] <... futex resumed>) = ?
[pid 9452] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9451] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9445] <... futex resumed>) = 0
[pid 9443] <... futex resumed>) = ?
[pid 9442] <... exit_group resumed>) = ?
[pid 9462] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9461] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9460] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9457] +++ exited with 0 +++
[pid 9452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9451] <... futex resumed>) = 0
[pid 9443] +++ exited with 0 +++
[pid 9461] <... futex resumed>) = 0
[pid 9460] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9452] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9451] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9442] +++ exited with 0 +++
[pid 9461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9460] <... mprotect resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9442, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9461] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9460] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9461] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
./strace-static-x86_64: Process 9463 attached
[pid 9461] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9448] <... write resumed>) = 212992
[pid 9446] <... write resumed>) = 352256
[pid 9463] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9460] <... clone resumed>, parent_tid=[9463], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9463
[pid 9448] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9446] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9445] exit_group(0 <unfinished ...>
[pid 9463] <... set_robust_list resumed>) = 0
[pid 9462] <... futex resumed>) = ?
[pid 9461] <... clone resumed>, parent_tid=[9464], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9464
[pid 9460] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9448] <... futex resumed>) = ?
[pid 9446] <... futex resumed>) = 0
[pid 9445] <... exit_group resumed>) = ?
[pid 9463] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9462] +++ exited with 0 +++
[pid 9461] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9460] <... futex resumed>) = 0
[pid 9448] +++ exited with 0 +++
[pid 9446] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9445] +++ exited with 0 +++
[pid 9444] exit_group(0./strace-static-x86_64: Process 9464 attached
<unfinished ...>
[pid 9463] <... memfd_create resumed>) = 3
[pid 9461] <... futex resumed>) = 0
[pid 9460] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9459] <... futex resumed>) = ?
[pid 9446] <... futex resumed>) = ?
[pid 9444] <... exit_group resumed>) = ?
[pid 9464] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9461] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9459] +++ exited with 0 +++
[pid 9446] +++ exited with 0 +++
[pid 9444] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9445, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 5070] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9463] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9464] <... set_robust_list resumed>) = 0
[pid 9463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9444, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9464] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 9464] <... memfd_create resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9464] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9451] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] lstat("./179/binderfs", <unfinished ...>
[pid 9451] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] unlink("./179/binderfs" <unfinished ...>
[pid 9451] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... unlink resumed>) = 0
[pid 9451] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] lstat("./179/binderfs", <unfinished ...>
[pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9451] <... mprotect resumed>) = 0
[pid 5072] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9451] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] unlink("./179/binderfs" <unfinished ...>
[pid 5072] lstat("./182/binderfs", <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9451] <... clone resumed>, parent_tid=[9465], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9465
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9465 attached
<unfinished ...>
[pid 9451] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] unlink("./182/binderfs" <unfinished ...>
[pid 9465] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9451] <... futex resumed>) = 0
[pid 9465] <... set_robust_list resumed>) = 0
[pid 9451] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9465] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9465] <... mmap resumed>) = 0x20000000
[pid 9465] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9451] <... futex resumed>) = 0
[pid 9465] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9464] <... write resumed>) = 2097152
[pid 9464] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9452] <... write resumed>) = 225280
[pid 9452] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9451] exit_group(0 <unfinished ...>
[pid 9465] <... futex resumed>) = ?
[pid 9452] <... futex resumed>) = ?
[pid 9451] <... exit_group resumed>) = ?
[pid 9465] +++ exited with 0 +++
[pid 5070] <... umount2 resumed>) = 0
[pid 9464] <... munmap resumed>) = 0
[pid 9452] +++ exited with 0 +++
[pid 9451] +++ exited with 0 +++
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9463] <... write resumed>) = 2097152
[pid 5070] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9463] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9451, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5070] <... openat resumed>) = 4
[pid 9464] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9464] <... openat resumed>) = 4
[pid 9463] <... munmap resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9463] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9463] <... openat resumed>) = 4
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9463] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] lstat("./179/file0", <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9464] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] rmdir("./179/file0" <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5070] <... rmdir resumed>) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... close resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] rmdir("./179" <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 5070] mkdir("./180", 0777 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5071] rmdir("./179/file0" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] close(3 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5074] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5071] rmdir("./179" <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] mkdir("./180", 0777 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9466
[pid 9463] <... ioctl resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9463] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9463] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9463] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9463] <... mkdir resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9463] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... close resumed>) = 0
[pid 9464] <... ioctl resumed>) = 0
[pid 5074] lstat("./181/binderfs", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9466 attached
<unfinished ...>
[pid 9466] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9464] close(3 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] lstat("./182/file0", <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9467
[ 238.401112][ T9463] loop3: detected capacity change from 0 to 4096
[ 238.411028][ T9464] loop5: detected capacity change from 0 to 4096
[ 238.434054][ T9463] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5074] unlink("./181/binderfs" <unfinished ...>
[pid 9466] <... set_robust_list resumed>) = 0
[pid 9464] <... close resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9464] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
./strace-static-x86_64: Process 9467 attached
[pid 9467] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9467] chdir("./180") = 0
[pid 9467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9467] setpgid(0, 0 <unfinished ...>
[pid 9464] <... mkdir resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9467] <... setpgid resumed>) = 0
[pid 9467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9466] chdir("./180" <unfinished ...>
[pid 9464] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9466] <... chdir resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9467] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] close(4) = 0
[pid 9466] setpgid(0, 0 <unfinished ...>
[pid 5072] rmdir("./182/file0" <unfinished ...>
[pid 9466] <... setpgid resumed>) = 0
[pid 9467] write(3, "1000", 4) = 4
[pid 9467] close(3) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9467] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9466] <... openat resumed>) = 3
[pid 9467] <... symlink resumed>) = 0
[pid 9466] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9467] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9466] <... write resumed>) = 4
[pid 5072] close(3 <unfinished ...>
[pid 9467] <... futex resumed>) = 0
[pid 9467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9466] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9466] <... close resumed>) = 0
[pid 5072] rmdir("./182" <unfinished ...>
[pid 9466] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9467] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9467] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9466] <... symlink resumed>) = 0
[ 238.446188][ T9463] NILFS (loop3): trying rollback from an earlier position
[pid 5072] mkdir("./183", 0777 <unfinished ...>
[pid 9467] <... clone resumed>, parent_tid=[9468], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9468
[pid 9467] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 9467] <... futex resumed>) = 0
[pid 9466] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9467] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9466] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9466] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9466] <... mprotect resumed>) = 0
[pid 5072] close(3./strace-static-x86_64: Process 9468 attached
<unfinished ...>
[pid 9468] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9466] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9468] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9468] <... memfd_create resumed>) = 3
[pid 9466] <... clone resumed>, parent_tid=[9469], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9469
[pid 9468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9466] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9470
./strace-static-x86_64: Process 9470 attached
[pid 9466] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9469 attached
<unfinished ...>
[pid 9469] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9469] memfd_create("syzkaller", 0) = 3
[pid 9469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9470] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9470] chdir("./183") = 0
[pid 9470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9470] setpgid(0, 0) = 0
[pid 9470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9470] write(3, "1000", 4) = 4
[pid 9470] close(3) = 0
[pid 9470] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9470] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9470] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9470] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9472], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9472
[pid 9470] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9470] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 238.483404][ T9463] NILFS (loop3): recovery complete
[ 238.500104][ T9464] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 9472 attached
<unfinished ...>
[pid 9472] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9463] <... mount resumed>) = 0
[pid 9472] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9463] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9472] <... memfd_create resumed>) = 3
[pid 9463] <... openat resumed>) = 3
[pid 9472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9463] chdir("./file0" <unfinished ...>
[pid 9472] <... mmap resumed>) = 0x7fe424ef8000
[pid 9463] <... chdir resumed>) = 0
[pid 9463] ioctl(4, LOOP_CLR_FD) = 0
[pid 9463] close(4) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 9463] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9460] <... futex resumed>) = 0
[pid 9463] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9460] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9460] <... futex resumed>) = 0
[pid 9463] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9460] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./181/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9463] <... openat resumed>) = 4
[pid 9463] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9460] <... futex resumed>) = 0
[pid 9463] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9460] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 9463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9460] <... futex resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[ 238.539958][ T9471] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 238.557924][ T9464] NILFS (loop5): trying rollback from an earlier position
[pid 9463] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9460] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9468] <... write resumed>) = 2097152
[pid 9464] <... mount resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9464] <... openat resumed>) = 3
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9469] <... write resumed>) = 2097152
[pid 9464] chdir("./file0") = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 9472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9464] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9464] <... ioctl resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9464] close(4 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9464] <... close resumed>) = 0
[pid 9464] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./181/file0" <unfinished ...>
[pid 9468] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9464] <... futex resumed>) = 1
[pid 9461] <... futex resumed>) = 0
[ 238.612272][ T9464] NILFS (loop5): recovery complete
[ 238.621364][ T9473] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9468] <... munmap resumed>) = 0
[pid 9464] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9461] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... rmdir resumed>) = 0
[pid 9468] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9460] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9468] <... openat resumed>) = 4
[pid 9460] <... futex resumed>) = 0
[pid 9464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9461] <... futex resumed>) = 0
[pid 9468] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9464] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9461] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9460] <... mmap resumed>) = 0x7fe4250d7000
[pid 9469] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9460] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9469] <... munmap resumed>) = 0
[pid 9460] <... mprotect resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9469] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9460] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9469] <... openat resumed>) = 4
[pid 5074] close(3 <unfinished ...>
[pid 9469] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9460] <... clone resumed>, parent_tid=[9474], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9474
[pid 9464] <... openat resumed>) = 4
[pid 9460] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9460] <... futex resumed>) = 0
[pid 9460] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9474 attached
<unfinished ...>
[pid 9464] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./181" <unfinished ...>
[pid 9474] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9464] <... futex resumed>) = 1
[pid 9461] <... futex resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9474] <... set_robust_list resumed>) = 0
[pid 9474] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9464] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9461] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] mkdir("./182", 0777 <unfinished ...>
[pid 9461] <... futex resumed>) = 0
[pid 9474] <... mmap resumed>) = 0x20000000
[pid 9468] <... ioctl resumed>) = 0
[pid 9468] close(3 <unfinished ...>
[pid 9464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9461] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9474] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9468] <... close resumed>) = 0
[pid 9464] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9468] mkdir("./file0", 0777) = 0
[pid 9472] <... write resumed>) = 2097152
[pid 9468] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9474] <... futex resumed>) = 1
[pid 9460] <... futex resumed>) = 0
[ 238.679356][ T9468] loop1: detected capacity change from 0 to 4096
[ 238.691339][ T9469] loop0: detected capacity change from 0 to 4096
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9474] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9469] <... ioctl resumed>) = 0
[pid 9469] close(3 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9469] <... close resumed>) = 0
[pid 9469] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9469] <... mkdir resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9469] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] close(3) = 0
[pid 9472] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9472] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 9472] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9461] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[ 238.724140][ T9468] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 238.751445][ T9472] loop2: detected capacity change from 0 to 4096
./strace-static-x86_64: Process 9475 attached
[pid 9461] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9475
[pid 9461] <... mprotect resumed>) = 0
[pid 9461] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9475] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9461] <... clone resumed>, parent_tid=[9476], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9476
[pid 9461] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9475] <... set_robust_list resumed>) = 0
[pid 9461] <... futex resumed>) = 0
[pid 9461] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9475] chdir("./182" <unfinished ...>
[pid 9472] <... ioctl resumed>) = 0
[pid 9472] close(3) = 0
[pid 9472] mkdir("./file0", 0777 <unfinished ...>
[pid 9475] <... chdir resumed>) = 0
[pid 9472] <... mkdir resumed>) = 0
[pid 9472] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9476 attached
<unfinished ...>
[pid 9475] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9476] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9475] <... prctl resumed>) = 0
[pid 9476] <... set_robust_list resumed>) = 0
[pid 9476] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9475] setpgid(0, 0 <unfinished ...>
[pid 9476] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9461] <... futex resumed>) = 0
[pid 9475] <... setpgid resumed>) = 0
[pid 9476] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9475] write(3, "1000", 4) = 4
[ 238.768889][ T9469] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 238.789922][ T9468] NILFS (loop1): trying rollback from an earlier position
[ 238.804123][ T9469] NILFS (loop0): trying rollback from an earlier position
[pid 9475] close(3) = 0
[pid 9475] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9475] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9475] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9475] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9477], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9477
[pid 9475] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 9477 attached
[pid 9475] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 238.817652][ T9472] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9477] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9477] memfd_create("syzkaller", 0) = 3
[pid 9477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9464] <... write resumed>) = 196608
[pid 9463] <... write resumed>) = 389120
[pid 9464] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9463] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9461] exit_group(0 <unfinished ...>
[pid 9464] <... futex resumed>) = 0
[pid 9463] <... futex resumed>) = 0
[pid 9476] <... futex resumed>) = ?
[pid 9463] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9461] <... exit_group resumed>) = ?
[pid 9460] exit_group(0 <unfinished ...>
[pid 9476] +++ exited with 0 +++
[pid 9464] +++ exited with 0 +++
[pid 9460] <... exit_group resumed>) = ?
[pid 9474] <... futex resumed>) = ?
[pid 9463] <... futex resumed>) = ?
[pid 9461] +++ exited with 0 +++
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9461, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 9474] +++ exited with 0 +++
[pid 5075] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9463] +++ exited with 0 +++
[pid 9460] +++ exited with 0 +++
[pid 5075] <... openat resumed>) = 3
[ 238.847686][ T9472] NILFS (loop2): trying rollback from an earlier position
[ 238.859567][ T9468] NILFS (loop1): recovery complete
[ 238.884063][ T9469] NILFS (loop0): recovery complete
[pid 9477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9460, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] lstat("./184/binderfs", <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 5075] unlink("./184/binderfs" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./183/binderfs") = 0
[pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9468] <... mount resumed>) = 0
[pid 9468] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9468] chdir("./file0") = 0
[pid 9468] ioctl(4, LOOP_CLR_FD) = 0
[pid 9468] close(4) = 0
[pid 9468] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9467] <... futex resumed>) = 0
[pid 9468] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9467] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9467] <... futex resumed>) = 0
[pid 9468] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9467] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9469] <... mount resumed>) = 0
[pid 9469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9469] <... openat resumed>) = 3
[pid 9469] chdir("./file0") = 0
[pid 9469] ioctl(4, LOOP_CLR_FD) = 0
[pid 9469] close(4) = 0
[pid 9469] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[ 238.889913][ T9478] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 238.899344][ T9472] NILFS (loop2): recovery complete
[ 238.923484][ T9479] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9469] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./184/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./184") = 0
[pid 5075] mkdir("./185", 0777 <unfinished ...>
[pid 9466] <... futex resumed>) = 0
[pid 9472] <... mount resumed>) = 0
[pid 9472] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9472] chdir("./file0") = 0
[pid 9472] ioctl(4, LOOP_CLR_FD) = 0
[pid 9472] close(4) = 0
[pid 9472] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9470] <... futex resumed>) = 0
[pid 9472] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9470] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9470] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9466] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9481
[pid 9469] <... futex resumed>) = 0
[pid 9466] <... futex resumed>) = 1
[pid 9469] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9469] <... openat resumed>) = 4
[pid 9467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9469] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9467] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9469] <... futex resumed>) = 0
[pid 9467] <... futex resumed>) = 0
[pid 9469] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9467] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9467] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9482], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9482
[pid 9467] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9467] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9482 attached
<unfinished ...>
[pid 9482] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9482] write(-1, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9466] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9469] <... futex resumed>) = 0
[pid 9466] <... futex resumed>) = 1
[pid 9469] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9482] <... write resumed>) = -1 EBADF (Bad file descriptor)
[pid 9482] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9467] <... futex resumed>) = 0
[pid 9482] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 <unfinished ...>
[pid 9467] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9482] <... mmap resumed>) = -1 EBADF (Bad file descriptor)
[pid 9467] <... futex resumed>) = 0
[pid 9468] <... openat resumed>) = 4
[pid 9482] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9468] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9467] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9482] <... futex resumed>) = 0
[pid 9468] <... futex resumed>) = 0
[pid 9467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9482] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9468] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9467] exit_group(0 <unfinished ...>
[pid 9482] <... futex resumed>) = ?
[pid 9468] <... futex resumed>) = ?
[pid 9467] <... exit_group resumed>) = ?
[pid 9482] +++ exited with 0 +++
[pid 9468] +++ exited with 0 +++
[pid 9467] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9467, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
./strace-static-x86_64: Process 9481 attached
[pid 9481] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5071] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9481] chdir("./185" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9481] <... chdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9481] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9481] <... prctl resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9481] setpgid(0, 0 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9481] <... setpgid resumed>) = 0
[pid 9477] <... write resumed>) = 2097152
[pid 5071] getdents64(3, <unfinished ...>
[pid 9481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9477] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9481] <... openat resumed>) = 3
[pid 9477] <... munmap resumed>) = 0
[pid 9472] <... openat resumed>) = 4
[pid 9470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9481] write(3, "1000", 4 <unfinished ...>
[pid 9477] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9472] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9470] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9481] <... write resumed>) = 4
[pid 9477] <... openat resumed>) = 4
[pid 9472] <... futex resumed>) = 0
[pid 9470] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 238.956959][ T9480] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] lstat("./180/binderfs", <unfinished ...>
[pid 9481] close(3 <unfinished ...>
[pid 9477] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9472] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9470] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] lstat("./183/file0", <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9481] <... close resumed>) = 0
[pid 9477] <... ioctl resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] unlink("./180/binderfs" <unfinished ...>
[pid 9481] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9481] <... symlink resumed>) = 0
[pid 9466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9481] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9481] <... futex resumed>) = 0
[pid 9481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9481] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9481] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9466] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 9481] <... clone resumed>, parent_tid=[9483], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9483
[pid 9466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9481] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9481] <... futex resumed>) = 0
[pid 9466] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9481] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9466] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9477] close(3) = 0
[pid 9466] <... mprotect resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9483 attached
[pid 9477] mkdir("./file0", 0777 <unfinished ...>
[pid 9466] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9483] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9477] <... mkdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9483] <... set_robust_list resumed>) = 0
[pid 9477] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9466] <... clone resumed>, parent_tid=[9484], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9484
[pid 5073] close(4 <unfinished ...>
[pid 9483] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9483] <... memfd_create resumed>) = 3
[pid 9466] <... futex resumed>) = 0
[pid 5073] rmdir("./183/file0" <unfinished ...>
[pid 9483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9466] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9483] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9484 attached
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 9484] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 239.027152][ T9477] loop4: detected capacity change from 0 to 4096
[pid 5073] rmdir("./183" <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9484] <... set_robust_list resumed>) = 0
[pid 9470] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9484] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9470] <... futex resumed>) = 0
[pid 5073] mkdir("./184", 0777 <unfinished ...>
[pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9484] <... mmap resumed>) = 0x20000000
[pid 9470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9484] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9470] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] lstat("./180/file0", <unfinished ...>
[pid 9484] <... futex resumed>) = 1
[pid 9470] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9466] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9484] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9470] <... mprotect resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9470] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9470] <... clone resumed>, parent_tid=[9485], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9485
[pid 5073] <... close resumed>) = 0
[pid 9470] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 9470] <... futex resumed>) = 0
[pid 5071] fstat(4, ./strace-static-x86_64: Process 9485 attached
<unfinished ...>
[pid 9470] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9486
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9485] set_robust_list(0x7fe4250f79e0, 24) = 0
./strace-static-x86_64: Process 9486 attached
[pid 9485] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9486] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9485] <... mmap resumed>) = 0x20000000
[pid 9486] <... set_robust_list resumed>) = 0
[pid 9485] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9486] chdir("./184" <unfinished ...>
[pid 9485] <... futex resumed>) = 1
[pid 9486] <... chdir resumed>) = 0
[pid 9485] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9470] <... futex resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9486] setpgid(0, 0) = 0
[pid 9486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9486] write(3, "1000", 4) = 4
[pid 9486] close(3) = 0
[pid 9486] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9486] <... symlink resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9486] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9486] <... futex resumed>) = 0
[pid 9472] <... write resumed>) = 135168
[pid 5071] <... close resumed>) = 0
[pid 9486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9472] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9470] exit_group(0 <unfinished ...>
[pid 5071] rmdir("./180/file0" <unfinished ...>
[pid 9486] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9485] <... futex resumed>) = ?
[pid 9472] <... futex resumed>) = ?
[pid 9470] <... exit_group resumed>) = ?
[pid 9486] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9485] +++ exited with 0 +++
[pid 9472] +++ exited with 0 +++
[pid 5071] <... rmdir resumed>) = 0
[pid 9486] <... mprotect resumed>) = 0
[pid 9470] +++ exited with 0 +++
[pid 5071] getdents64(3, <unfinished ...>
[pid 9486] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9469] <... write resumed>) = 233472
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9486] <... clone resumed>, parent_tid=[9487], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9487
[pid 9469] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9466] exit_group(0 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9470, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] close(3 <unfinished ...>
[pid 9486] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9484] <... futex resumed>) = ?
[pid 9469] <... futex resumed>) = ?
[pid 9466] <... exit_group resumed>) = ?
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9486] <... futex resumed>) = 0
[pid 9484] +++ exited with 0 +++
[pid 9469] +++ exited with 0 +++
[pid 9466] +++ exited with 0 +++
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5071] rmdir("./180" <unfinished ...>
[pid 9486] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9487 attached
<unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9487] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5071] mkdir("./181", 0777 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9466, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9487] <... set_robust_list resumed>) = 0
[pid 5072] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9487] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9487] <... memfd_create resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 239.138480][ T9477] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 239.160584][ T9477] NILFS (loop4): trying rollback from an earlier position
[pid 9487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9487] <... mmap resumed>) = 0x7fe424ef8000
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9483] <... write resumed>) = 2097152
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9483] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] fstat(3, <unfinished ...>
[pid 9483] <... munmap resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9483] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9483] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9483] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] lstat("./183/binderfs", <unfinished ...>
[pid 5070] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9489
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] unlink("./183/binderfs" <unfinished ...>
[pid 5070] lstat("./180/binderfs", <unfinished ...>
[pid 9483] <... ioctl resumed>) = 0
[pid 9477] <... mount resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9483] close(3 <unfinished ...>
[pid 9477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] unlink("./180/binderfs" <unfinished ...>
[pid 9483] <... close resumed>) = 0
[pid 9477] <... openat resumed>) = 3
[pid 5070] <... unlink resumed>) = 0
[pid 9483] mkdir("./file0", 0777 <unfinished ...>
[pid 9477] chdir("./file0" <unfinished ...>
[pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9483] <... mkdir resumed>) = 0
[pid 9477] <... chdir resumed>) = 0
./strace-static-x86_64: Process 9489 attached
[pid 9483] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9477] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9489] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9477] <... ioctl resumed>) = 0
[pid 9489] <... set_robust_list resumed>) = 0
[pid 9477] close(4 <unfinished ...>
[pid 9489] chdir("./181" <unfinished ...>
[pid 9477] <... close resumed>) = 0
[pid 9489] <... chdir resumed>) = 0
[pid 9477] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9489] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9477] <... futex resumed>) = 1
[pid 9475] <... futex resumed>) = 0
[pid 9489] <... prctl resumed>) = 0
[pid 9477] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9489] setpgid(0, 0 <unfinished ...>
[pid 9475] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9489] <... setpgid resumed>) = 0
[pid 9489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9489] write(3, "1000", 4) = 4
[pid 9489] close(3) = 0
[pid 9489] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9477] <... futex resumed>) = 0
[pid 9489] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9477] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9475] <... futex resumed>) = 1
[pid 9489] <... futex resumed>) = 0
[pid 9475] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9489] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9489] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9490], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9490
[ 239.211165][ T9477] NILFS (loop4): recovery complete
[ 239.224506][ T9483] loop5: detected capacity change from 0 to 4096
[ 239.233066][ T9488] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9489] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9489] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9490 attached
<unfinished ...>
[pid 9490] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9490] memfd_create("syzkaller", 0) = 3
[pid 9490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 239.258605][ T9483] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9477] <... openat resumed>) = 4
[pid 9475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9477] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9475] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9477] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9475] <... futex resumed>) = 0
[pid 9487] <... write resumed>) = 2097152
[pid 5072] <... umount2 resumed>) = 0
[pid 9475] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9487] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9487] <... munmap resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9487] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] lstat("./183/file0", <unfinished ...>
[pid 9487] <... openat resumed>) = 4
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9487] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9487] <... ioctl resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9487] close(3 <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9487] <... close resumed>) = 0
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9487] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./183/file0") = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9475] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9487] <... mkdir resumed>) = 0
[pid 9475] <... futex resumed>) = 0
[pid 9475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9487] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9475] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] rmdir("./183" <unfinished ...>
[pid 9475] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9475] <... mprotect resumed>) = 0
[pid 5072] mkdir("./184", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9475] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] lstat("./180/file0", <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[ 239.321966][ T9483] NILFS (loop5): trying rollback from an earlier position
[ 239.348945][ T9487] loop3: detected capacity change from 0 to 4096
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9491 attached
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 9491] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9475] <... clone resumed>, parent_tid=[9491], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9491
[pid 5072] <... openat resumed>) = 3
[pid 5070] fstat(4, <unfinished ...>
[pid 9491] <... set_robust_list resumed>) = 0
[pid 9475] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 9491] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9475] <... futex resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./180/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./180") = 0
[pid 5070] mkdir("./181", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9493
./strace-static-x86_64: Process 9493 attached
[pid 9493] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9483] <... mount resumed>) = 0
[pid 9493] chdir("./181") = 0
[pid 9493] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9491] <... mmap resumed>) = 0x20000000
[pid 9475] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9493] <... prctl resumed>) = 0
[pid 9493] setpgid(0, 0) = 0
[pid 9493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9493] write(3, "1000", 4) = 4
[pid 9493] close(3) = 0
[pid 9493] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9491] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9490] <... write resumed>) = 2097152
[pid 9483] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9493] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9491] <... futex resumed>) = 1
[pid 9483] <... openat resumed>) = 3
[pid 9475] <... futex resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9491] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9483] chdir("./file0" <unfinished ...>
[pid 9493] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9483] <... chdir resumed>) = 0
[pid 9493] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9493] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9483] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9494
[pid 9483] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 9494 attached
[pid 9493] <... clone resumed>, parent_tid=[9495], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9495
[pid 9490] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9483] close(4 <unfinished ...>
[pid 9494] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9493] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9490] <... munmap resumed>) = 0
[pid 9483] <... close resumed>) = 0
[ 239.391735][ T9483] NILFS (loop5): recovery complete
[ 239.392508][ T9487] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 239.419828][ T9487] NILFS (loop3): trying rollback from an earlier position
[ 239.420647][ T9492] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
./strace-static-x86_64: Process 9495 attached
[pid 9494] <... set_robust_list resumed>) = 0
[pid 9493] <... futex resumed>) = 0
[pid 9490] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9483] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9495] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9494] chdir("./184" <unfinished ...>
[pid 9493] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9490] <... openat resumed>) = 4
[pid 9483] <... futex resumed>) = 1
[pid 9481] <... futex resumed>) = 0
[pid 9495] <... set_robust_list resumed>) = 0
[pid 9494] <... chdir resumed>) = 0
[pid 9490] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9483] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9481] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9495] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9494] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9481] <... futex resumed>) = 0
[pid 9495] <... memfd_create resumed>) = 3
[pid 9494] <... prctl resumed>) = 0
[pid 9495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9494] setpgid(0, 0 <unfinished ...>
[pid 9495] <... mmap resumed>) = 0x7fe424ef8000
[pid 9494] <... setpgid resumed>) = 0
[pid 9494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9483] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9481] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9494] <... openat resumed>) = 3
[pid 9490] <... ioctl resumed>) = 0
[pid 9483] <... openat resumed>) = 4
[pid 9477] <... write resumed>) = 323584
[pid 9494] write(3, "1000", 4) = 4
[pid 9494] close(3 <unfinished ...>
[pid 9483] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9477] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9494] <... close resumed>) = 0
[pid 9494] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9490] close(3 <unfinished ...>
[pid 9483] <... futex resumed>) = 1
[pid 9481] <... futex resumed>) = 0
[pid 9477] <... futex resumed>) = 0
[pid 9494] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9490] <... close resumed>) = 0
[pid 9483] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9481] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9477] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9475] exit_group(0 <unfinished ...>
[pid 9494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9490] mkdir("./file0", 0777 <unfinished ...>
[pid 9483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9481] <... futex resumed>) = 0
[pid 9494] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9491] <... futex resumed>) = ?
[pid 9483] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9477] <... futex resumed>) = ?
[pid 9475] <... exit_group resumed>) = ?
[pid 9494] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9494] <... mprotect resumed>) = 0
[pid 9491] +++ exited with 0 +++
[pid 9490] <... mkdir resumed>) = 0
[pid 9481] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9477] +++ exited with 0 +++
[pid 9494] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9490] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9494] <... clone resumed>, parent_tid=[9496], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9496
[pid 9494] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9475] +++ exited with 0 +++
[pid 9494] <... futex resumed>) = 0
[pid 9494] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9475, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9487] <... mount resumed>) = 0
[pid 5074] <... restart_syscall resumed>) = 0
[pid 9487] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[ 239.473982][ T9490] loop1: detected capacity change from 0 to 4096
[ 239.498418][ T9487] NILFS (loop3): recovery complete
[pid 9487] chdir("./file0" <unfinished ...>
[pid 5074] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9487] <... chdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9496 attached
[pid 9487] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9496] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9487] <... ioctl resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9496] <... set_robust_list resumed>) = 0
[pid 9487] close(4 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9496] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9487] <... close resumed>) = 0
[pid 9496] <... memfd_create resumed>) = 3
[pid 9487] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9487] <... futex resumed>) = 1
[pid 9486] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 9496] <... mmap resumed>) = 0x7fe424ef8000
[pid 9487] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9486] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9487] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9486] <... futex resumed>) = 0
[pid 5074] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9486] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9481] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9481] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9481] <... futex resumed>) = 0
[pid 5074] lstat("./182/binderfs", <unfinished ...>
[pid 9481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9481] <... mmap resumed>) = 0x7fe4250d7000
[pid 9481] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] unlink("./182/binderfs" <unfinished ...>
[pid 9481] <... mprotect resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 9481] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9481] <... clone resumed>, parent_tid=[9498], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9498
[pid 9487] <... openat resumed>) = 4
[pid 9481] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9487] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9481] <... futex resumed>) = 0
[pid 9487] <... futex resumed>) = 1
[pid 9486] <... futex resumed>) = 0
[pid 9481] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9487] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9486] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9486] <... futex resumed>) = 0
[ 239.523468][ T9497] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 239.563426][ T9490] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 9487] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9486] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9498 attached
<unfinished ...>
[pid 9498] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9495] <... write resumed>) = 2097152
[pid 9498] <... set_robust_list resumed>) = 0
[pid 9498] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9498] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9481] <... futex resumed>) = 0
[pid 9498] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9495] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 239.586520][ T9490] NILFS (loop1): trying rollback from an earlier position
[pid 9495] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = 0
[pid 9486] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9486] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9486] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9499], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9499
[pid 9486] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9486] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9499 attached
<unfinished ...>
[pid 9499] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9499] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9499] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9486] <... futex resumed>) = 0
[pid 9499] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9495] <... ioctl resumed>) = 0
[pid 9495] close(3) = 0
[pid 9495] mkdir("./file0", 0777) = 0
[pid 9495] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9496] <... write resumed>) = 2097152
[pid 9487] <... write resumed>) = 122880
[pid 9487] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9486] exit_group(0 <unfinished ...>
[pid 9499] <... futex resumed>) = ?
[pid 9487] <... futex resumed>) = ?
[pid 9486] <... exit_group resumed>) = ?
[pid 9499] +++ exited with 0 +++
[pid 9487] +++ exited with 0 +++
[pid 9486] +++ exited with 0 +++
[ 239.629732][ T9495] loop0: detected capacity change from 0 to 4096
[ 239.649454][ T9490] NILFS (loop1): recovery complete
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9486, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] lstat("./182/file0", <unfinished ...>
[pid 9496] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9496] <... munmap resumed>) = 0
[pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9496] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9496] <... openat resumed>) = 4
[pid 5074] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9496] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] lstat("./184/binderfs", <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] unlink("./184/binderfs" <unfinished ...>
[pid 5074] close(4) = 0
[pid 5074] rmdir("./182/file0" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9490] <... mount resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./182" <unfinished ...>
[pid 9490] <... openat resumed>) = 3
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] mkdir("./183", 0777 <unfinished ...>
[pid 9490] chdir("./file0" <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9490] <... chdir resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9496] <... ioctl resumed>) = 0
[pid 9490] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9496] close(3 <unfinished ...>
[pid 9490] <... ioctl resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9496] <... close resumed>) = 0
[pid 9490] close(4 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9496] mkdir("./file0", 0777 <unfinished ...>
[pid 9490] <... close resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9496] <... mkdir resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9496] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9501
[pid 9490] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9489] <... futex resumed>) = 0
[pid 9490] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 239.700588][ T9495] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 239.709269][ T9496] loop2: detected capacity change from 0 to 4096
[ 239.719519][ T9500] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9489] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9489] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9501 attached
<unfinished ...>
[pid 9501] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9483] <... write resumed>) = 221184
[pid 9501] chdir("./183" <unfinished ...>
[pid 9483] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9501] <... chdir resumed>) = 0
[pid 9501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9501] setpgid(0, 0) = 0
[pid 9501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9483] <... futex resumed>) = 0
[pid 9481] exit_group(0 <unfinished ...>
[pid 9501] write(3, "1000", 4 <unfinished ...>
[pid 9498] <... futex resumed>) = ?
[pid 9481] <... exit_group resumed>) = ?
[pid 9501] <... write resumed>) = 4
[pid 9498] +++ exited with 0 +++
[pid 9483] +++ exited with 0 +++
[pid 9501] close(3) = 0
[pid 9501] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9481] +++ exited with 0 +++
[pid 9501] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9481, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9501] <... futex resumed>) = 0
[pid 9501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9490] <... openat resumed>) = 4
[pid 9501] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9501] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9501] <... mprotect resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9501] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9490] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9490] <... futex resumed>) = 1
[pid 9489] <... futex resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9501] <... clone resumed>, parent_tid=[9502], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9502
[pid 9490] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9489] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9501] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9489] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9501] <... futex resumed>) = 0
[pid 9490] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9489] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9501] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9502 attached
) = -1 EINVAL (Invalid argument)
[pid 9502] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] lstat("./185/binderfs", <unfinished ...>
[pid 9502] <... set_robust_list resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9502] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] unlink("./185/binderfs" <unfinished ...>
[pid 9502] <... memfd_create resumed>) = 3
[pid 5075] <... unlink resumed>) = 0
[pid 9502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9502] <... mmap resumed>) = 0x7fe424ef8000
[ 239.745810][ T9495] NILFS (loop0): trying rollback from an earlier position
[ 239.760389][ T9496] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9489] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9489] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9489] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9503], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9503
[pid 9489] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9489] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9503 attached
) = -1 EINVAL (Invalid argument)
[pid 9503] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5073] lstat("./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9503] <... set_robust_list resumed>) = 0
[pid 9503] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9503] <... mmap resumed>) = 0x20000000
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, <unfinished ...>
[pid 9503] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9503] <... futex resumed>) = 1
[pid 9489] <... futex resumed>) = 0
[pid 5073] close(4) = 0
[pid 5073] rmdir("./184/file0") = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9503] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] close(3) = 0
[ 239.807341][ T9496] NILFS (loop2): trying rollback from an earlier position
[ 239.831919][ T9495] NILFS (loop0): recovery complete
[pid 9495] <... mount resumed>) = 0
[pid 5073] rmdir("./184" <unfinished ...>
[pid 9495] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9495] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] mkdir("./185", 0777 <unfinished ...>
[pid 9495] chdir("./file0" <unfinished ...>
[pid 5075] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9502] <... write resumed>) = 2097152
[pid 9495] <... chdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9502] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9495] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] lstat("./185/file0", <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[ 239.874615][ T9504] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 239.905951][ T9496] NILFS (loop2): recovery complete
[pid 9502] <... munmap resumed>) = 0
[pid 9496] <... mount resumed>) = 0
[pid 9495] <... ioctl resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9496] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9495] close(4 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9502] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9496] <... openat resumed>) = 3
[pid 9495] <... close resumed>) = 0
[pid 5075] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9502] <... openat resumed>) = 4
[pid 9496] chdir("./file0" <unfinished ...>
[pid 9495] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9490] <... write resumed>) = 212992
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 9502] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9496] <... chdir resumed>) = 0
[pid 9495] <... futex resumed>) = 1
[pid 9493] <... futex resumed>) = 0
[pid 9490] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9489] exit_group(0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9503] <... futex resumed>) = ?
[pid 9496] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9495] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9493] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9490] <... futex resumed>) = ?
[pid 9489] <... exit_group resumed>) = ?
[pid 5075] <... openat resumed>) = 4
[pid 9503] +++ exited with 0 +++
[pid 9502] <... ioctl resumed>) = 0
[pid 9496] <... ioctl resumed>) = 0
[pid 9495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9493] <... futex resumed>) = 0
[pid 9490] +++ exited with 0 +++
[pid 5075] fstat(4, <unfinished ...>
[pid 9502] close(3 <unfinished ...>
[pid 9496] close(4 <unfinished ...>
[pid 9495] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9493] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9489] +++ exited with 0 +++
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9506
[pid 9502] <... close resumed>) = 0
[pid 9496] <... close resumed>) = 0
[pid 9495] <... openat resumed>) = 4
[pid 5075] getdents64(4, ./strace-static-x86_64: Process 9506 attached
<unfinished ...>
[pid 9502] mkdir("./file0", 0777 <unfinished ...>
[pid 9496] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9495] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9489, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 9506] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9502] <... mkdir resumed>) = 0
[pid 9496] <... futex resumed>) = 1
[pid 9495] <... futex resumed>) = 1
[pid 9494] <... futex resumed>) = 0
[pid 9493] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9506] <... set_robust_list resumed>) = 0
[pid 9502] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9496] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9495] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9494] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9493] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9506] chdir("./185" <unfinished ...>
[pid 9496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9494] <... futex resumed>) = 0
[pid 9493] <... futex resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9506] <... chdir resumed>) = 0
[pid 9496] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9495] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9494] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9493] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... close resumed>) = 0
[ 239.918847][ T9505] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 239.940604][ T9502] loop4: detected capacity change from 0 to 4096
[pid 9506] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] rmdir("./185/file0") = 0
[pid 9506] <... prctl resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9506] setpgid(0, 0 <unfinished ...>
[pid 9496] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9506] <... setpgid resumed>) = 0
[pid 9496] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9496] <... futex resumed>) = 1
[pid 9494] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5075] rmdir("./185") = 0
[pid 5075] mkdir("./186", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9506] <... openat resumed>) = 3
[pid 9496] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9494] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 9506] write(3, "1000", 4 <unfinished ...>
[pid 9496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9494] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9507
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9506] <... write resumed>) = 4
[pid 9496] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9494] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9506] close(3./strace-static-x86_64: Process 9507 attached
<unfinished ...>
[pid 9507] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9507] chdir("./186") = 0
[pid 9507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9507] setpgid(0, 0 <unfinished ...>
[pid 9506] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9507] <... setpgid resumed>) = 0
[pid 9506] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9506] <... symlink resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9507] <... openat resumed>) = 3
[pid 9506] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] lstat("./181/binderfs", <unfinished ...>
[pid 9507] write(3, "1000", 4 <unfinished ...>
[pid 9506] <... futex resumed>) = 0
[pid 9507] <... write resumed>) = 4
[pid 9506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9507] close(3 <unfinished ...>
[pid 9506] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9493] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] unlink("./181/binderfs" <unfinished ...>
[pid 9507] <... close resumed>) = 0
[pid 9506] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9493] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9507] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9506] <... mprotect resumed>) = 0
[pid 9493] <... futex resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9507] <... symlink resumed>) = 0
[pid 9506] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9507] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9493] <... mmap resumed>) = 0x7fe4250d7000
[pid 9507] <... futex resumed>) = 0
[pid 9506] <... clone resumed>, parent_tid=[9508], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9508
[pid 9507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9506] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9493] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9507] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9506] <... futex resumed>) = 0
[pid 9493] <... mprotect resumed>) = 0
[pid 9507] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9506] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9493] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9507] <... mprotect resumed>) = 0
[pid 9507] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9493] <... clone resumed>, parent_tid=[9509], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9509
./strace-static-x86_64: Process 9508 attached
[pid 9493] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9508] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9507] <... clone resumed>, parent_tid=[9510], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9510
[ 239.994286][ T9502] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 240.033110][ T9502] NILFS (loop4): trying rollback from an earlier position
[pid 9493] <... futex resumed>) = 0
[pid 9508] <... set_robust_list resumed>) = 0
[pid 9507] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9493] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9509 attached
<unfinished ...>
[pid 9508] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9507] <... futex resumed>) = 0
[pid 9494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9510 attached
[pid 9509] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9508] <... memfd_create resumed>) = 3
[pid 9507] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9494] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9510] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9509] <... set_robust_list resumed>) = 0
[pid 9508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9494] <... futex resumed>) = 0
[pid 9510] <... set_robust_list resumed>) = 0
[pid 9509] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9508] <... mmap resumed>) = 0x7fe424ef8000
[pid 9494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9510] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9494] <... mmap resumed>) = 0x7fe4250d7000
[pid 9510] <... memfd_create resumed>) = 3
[pid 9494] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9509] <... mmap resumed>) = 0x20000000
[pid 9494] <... mprotect resumed>) = 0
[pid 9510] <... mmap resumed>) = 0x7fe424ef8000
[pid 9509] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9494] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9511 attached
<unfinished ...>
[pid 9509] <... futex resumed>) = 1
[pid 9508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9493] <... futex resumed>) = 0
[pid 9511] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9509] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9494] <... clone resumed>, parent_tid=[9511], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9511
[pid 9511] <... set_robust_list resumed>) = 0
[pid 9494] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9511] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9494] <... futex resumed>) = 0
[pid 9494] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9511] <... mmap resumed>) = 0x20000000
[pid 9511] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9511] <... futex resumed>) = 1
[pid 9494] <... futex resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9511] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9508] <... write resumed>) = 2097152
[pid 5071] lstat("./181/file0", <unfinished ...>
[pid 9510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9508] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9508] <... munmap resumed>) = 0
[pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9508] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9508] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9508] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9508] <... ioctl resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9508] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9508] <... close resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9508] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9508] <... mkdir resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9508] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9495] <... write resumed>) = 237568
[pid 5071] rmdir("./181/file0" <unfinished ...>
[pid 9502] <... mount resumed>) = 0
[ 240.153729][ T9502] NILFS (loop4): recovery complete
[ 240.163953][ T9508] loop3: detected capacity change from 0 to 4096
[ 240.191066][ T9512] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9495] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9502] chdir("./file0" <unfinished ...>
[pid 9495] <... futex resumed>) = 0
[pid 9493] exit_group(0 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9509] <... futex resumed>) = ?
[pid 9502] <... chdir resumed>) = 0
[pid 9493] <... exit_group resumed>) = ?
[pid 5071] getdents64(3, <unfinished ...>
[pid 9509] +++ exited with 0 +++
[pid 9502] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9495] +++ exited with 0 +++
[pid 9502] <... ioctl resumed>) = 0
[pid 9493] +++ exited with 0 +++
[pid 9502] close(4 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9493, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9502] <... close resumed>) = 0
[pid 9502] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9502] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9501] <... futex resumed>) = 0
[pid 9501] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9502] <... futex resumed>) = 0
[pid 9501] <... futex resumed>) = 1
[pid 5071] rmdir("./181" <unfinished ...>
[ 240.191209][ T9508] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 240.235714][ T9508] NILFS (loop3): trying rollback from an earlier position
[pid 9510] <... write resumed>) = 2097152
[pid 9502] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9510] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9501] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9510] <... munmap resumed>) = 0
[pid 5071] mkdir("./182", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9510] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9510] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9510] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] fstat(3, <unfinished ...>
[pid 9510] <... ioctl resumed>) = 0
[pid 9502] <... openat resumed>) = 4
[pid 9496] <... write resumed>) = 303104
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9502] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9496] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] getdents64(3, <unfinished ...>
[pid 9502] <... futex resumed>) = 1
[pid 9501] <... futex resumed>) = 0
[pid 9496] <... futex resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9510] close(3 <unfinished ...>
[pid 9508] <... mount resumed>) = 0
[pid 9502] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9501] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9496] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9510] <... close resumed>) = 0
[pid 9501] <... futex resumed>) = 0
[pid 9494] exit_group(0 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9511] <... futex resumed>) = ?
[pid 9510] mkdir("./file0", 0777 <unfinished ...>
[pid 9501] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9494] <... exit_group resumed>) = ?
[pid 5070] lstat("./181/binderfs", <unfinished ...>
[pid 9511] +++ exited with 0 +++
[pid 9510] <... mkdir resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9514
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9510] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] unlink("./181/binderfs") = 0
[pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9514 attached
<unfinished ...>
[pid 9514] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9496] <... futex resumed>) = ?
[pid 9514] <... set_robust_list resumed>) = 0
[pid 9514] chdir("./182") = 0
[pid 9514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9514] setpgid(0, 0 <unfinished ...>
[pid 9496] +++ exited with 0 +++
[pid 9502] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9494] +++ exited with 0 +++
[pid 9514] <... setpgid resumed>) = 0
[pid 9514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9514] write(3, "1000", 4) = 4
[pid 9514] close(3) = 0
[pid 9514] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9514] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9514] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9514] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9515], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9515
[pid 9514] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9514] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9515 attached
<unfinished ...>
[pid 9515] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9515] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9508] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9494, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9515] <... memfd_create resumed>) = 3
[pid 9515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9508] chdir("./file0") = 0
[pid 5072] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9508] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9508] <... ioctl resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9508] close(4 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9508] <... close resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9508] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9501] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 240.251959][ T9508] NILFS (loop3): recovery complete
[ 240.255934][ T9510] loop5: detected capacity change from 0 to 4096
[ 240.268975][ T9513] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9508] <... futex resumed>) = 1
[pid 9506] <... futex resumed>) = 0
[pid 9501] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9506] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9501] <... futex resumed>) = 0
[pid 9508] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9506] <... futex resumed>) = 0
[pid 9501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9506] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9501] <... mmap resumed>) = 0x7fe4250d7000
[pid 9508] <... openat resumed>) = 4
[pid 9501] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9501] <... mprotect resumed>) = 0
[pid 9515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9508] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9501] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9501] <... clone resumed>, parent_tid=[9516], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9516
[pid 9501] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9501] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9508] <... futex resumed>) = 1
[pid 9506] <... futex resumed>) = 0
[pid 9506] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9508] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9506] <... futex resumed>) = 0
./strace-static-x86_64: Process 9516 attached
[pid 9506] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9516] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9516] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5072] lstat("./184/binderfs", <unfinished ...>
[pid 9516] <... mmap resumed>) = 0x20000000
[pid 9516] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9501] <... futex resumed>) = 0
[pid 9516] <... futex resumed>) = 1
[pid 9516] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./184/binderfs") = 0
[pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9506] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[ 240.330382][ T9510] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 240.361824][ T9510] NILFS (loop5): trying rollback from an earlier position
[pid 9506] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9506] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9517], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9517
[pid 9506] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9506] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9517 attached
<unfinished ...>
[pid 9517] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9517] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9517] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9506] <... futex resumed>) = 0
[pid 9517] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9502] <... write resumed>) = 196608
[pid 9502] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9501] exit_group(0 <unfinished ...>
[pid 9516] <... futex resumed>) = ?
[pid 9515] <... write resumed>) = 2097152
[pid 9501] <... exit_group resumed>) = ?
[pid 9516] +++ exited with 0 +++
[pid 9502] +++ exited with 0 +++
[pid 9501] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9501, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 9515] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./183/binderfs") = 0
[pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9515] <... munmap resumed>) = 0
[pid 9515] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[ 240.452573][ T9510] NILFS (loop5): recovery complete
[pid 9515] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9508] <... write resumed>) = 114688
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 9508] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9506] exit_group(0 <unfinished ...>
[pid 9517] <... futex resumed>) = ?
[pid 9508] <... futex resumed>) = ?
[pid 9506] <... exit_group resumed>) = ?
[pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9517] +++ exited with 0 +++
[pid 9508] +++ exited with 0 +++
[pid 9506] +++ exited with 0 +++
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9506, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5073] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] lstat("./181/file0", <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./185/binderfs") = 0
[pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] lstat("./184/file0", <unfinished ...>
[pid 9510] <... mount resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9510] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9515] <... ioctl resumed>) = 0
[pid 9510] chdir("./file0" <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(4, <unfinished ...>
[pid 9515] close(3 <unfinished ...>
[pid 9510] <... chdir resumed>) = 0
[pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9515] <... close resumed>) = 0
[pid 9510] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... openat resumed>) = 4
[ 240.473480][ T9515] loop1: detected capacity change from 0 to 4096
[ 240.480825][ T9518] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] getdents64(4, <unfinished ...>
[pid 9515] mkdir("./file0", 0777 <unfinished ...>
[pid 9510] <... ioctl resumed>) = 0
[pid 5074] lstat("./183/file0", <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9515] <... mkdir resumed>) = 0
[pid 9510] close(4 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9515] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9510] <... close resumed>) = 0
[pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9510] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] close(4 <unfinished ...>
[pid 9510] <... futex resumed>) = 1
[pid 9507] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9510] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9507] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] rmdir("./181/file0" <unfinished ...>
[pid 9510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9507] <... futex resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9510] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9507] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] rmdir("./184/file0" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9510] <... openat resumed>) = 4
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] rmdir("./181" <unfinished ...>
[pid 9510] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9510] <... futex resumed>) = 1
[pid 9507] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] mkdir("./182", 0777 <unfinished ...>
[pid 9510] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9507] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./183/file0" <unfinished ...>
[pid 5072] rmdir("./184" <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9507] <... futex resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9510] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9507] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] mkdir("./185", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 5074] rmdir("./183" <unfinished ...>
[pid 5073] lstat("./185/file0", <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] mkdir("./184", 0777 <unfinished ...>
[pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... close resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9519
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... openat resumed>) = 4
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9520
./strace-static-x86_64: Process 9519 attached
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9519] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] getdents64(4, ./strace-static-x86_64: Process 9520 attached
<unfinished ...>
[pid 9519] <... set_robust_list resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9520] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9519] chdir("./182" <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9520] <... set_robust_list resumed>) = 0
[pid 9519] <... chdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9520] chdir("./185" <unfinished ...>
[pid 9519] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9521
[pid 5073] close(4 <unfinished ...>
[pid 9520] <... chdir resumed>) = 0
[pid 9519] <... prctl resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9520] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9519] setpgid(0, 0 <unfinished ...>
[pid 5073] rmdir("./185/file0"./strace-static-x86_64: Process 9521 attached
<unfinished ...>
[pid 9520] <... prctl resumed>) = 0
[pid 9519] <... setpgid resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9521] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9520] setpgid(0, 0 <unfinished ...>
[ 240.551708][ T9515] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 240.581583][ T9515] NILFS (loop1): trying rollback from an earlier position
[pid 9519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9521] <... set_robust_list resumed>) = 0
[pid 9520] <... setpgid resumed>) = 0
[pid 9519] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9521] chdir("./184" <unfinished ...>
[pid 9520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9519] write(3, "1000", 4 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9521] <... chdir resumed>) = 0
[pid 9520] <... openat resumed>) = 3
[pid 9519] <... write resumed>) = 4
[pid 5073] <... close resumed>) = 0
[pid 9521] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9520] write(3, "1000", 4 <unfinished ...>
[pid 9519] close(3 <unfinished ...>
[pid 9507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] rmdir("./185" <unfinished ...>
[pid 9521] <... prctl resumed>) = 0
[pid 9519] <... close resumed>) = 0
[pid 9507] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9521] setpgid(0, 0 <unfinished ...>
[pid 9519] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9507] <... futex resumed>) = 0
[pid 9521] <... setpgid resumed>) = 0
[pid 9519] <... symlink resumed>) = 0
[pid 9507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9520] <... write resumed>) = 4
[pid 9519] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9507] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] <... rmdir resumed>) = 0
[pid 9521] <... openat resumed>) = 3
[pid 9520] close(3 <unfinished ...>
[pid 9519] <... futex resumed>) = 0
[pid 9507] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] mkdir("./186", 0777 <unfinished ...>
[pid 9521] write(3, "1000", 4 <unfinished ...>
[pid 9520] <... close resumed>) = 0
[pid 9519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9507] <... mprotect resumed>) = 0
[pid 9521] <... write resumed>) = 4
[pid 9520] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9519] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9507] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9515] <... mount resumed>) = 0
[pid 9521] close(3 <unfinished ...>
[pid 9519] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9521] <... close resumed>) = 0
[pid 9520] <... symlink resumed>) = 0
[pid 9519] <... mprotect resumed>) = 0
[pid 9515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9507] <... clone resumed>, parent_tid=[9523], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9523
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9521] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9520] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9515] <... openat resumed>) = 3
[pid 9507] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
./strace-static-x86_64: Process 9523 attached
[pid 9521] <... symlink resumed>) = 0
[pid 9520] <... futex resumed>) = 0
[pid 9515] chdir("./file0" <unfinished ...>
[pid 9507] <... futex resumed>) = 0
[pid 9523] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9521] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] <... clone resumed>, parent_tid=[9524], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9524
[pid 9507] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9523] <... set_robust_list resumed>) = 0
[pid 9521] <... futex resumed>) = 0
[pid 9520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9519] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9515] <... chdir resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 9524 attached
<unfinished ...>
[pid 9523] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9520] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9519] <... futex resumed>) = 0
[pid 9515] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9524] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9523] <... mmap resumed>) = 0x20000000
[pid 9521] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9520] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9519] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9515] <... ioctl resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9524] <... set_robust_list resumed>) = 0
[pid 9523] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9521] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9520] <... mprotect resumed>) = 0
[pid 9515] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9524] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9523] <... futex resumed>) = 1
[pid 9521] <... mprotect resumed>) = 0
[pid 9520] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9515] <... close resumed>) = 0
[pid 9507] <... futex resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9524] <... memfd_create resumed>) = 3
[pid 9523] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9521] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9515] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9520] <... clone resumed>, parent_tid=[9525], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9525
[pid 9515] <... futex resumed>) = 1
[pid 9514] <... futex resumed>) = 0
[ 240.638886][ T9515] NILFS (loop1): recovery complete
[ 240.652376][ T9522] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9524] <... mmap resumed>) = 0x7fe424ef8000
[pid 9521] <... clone resumed>, parent_tid=[9527], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9527
[pid 9520] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9515] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9514] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9526
./strace-static-x86_64: Process 9526 attached
./strace-static-x86_64: Process 9525 attached
[pid 9521] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9520] <... futex resumed>) = 0
[pid 9515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9514] <... futex resumed>) = 0
./strace-static-x86_64: Process 9527 attached
[pid 9526] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9525] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9521] <... futex resumed>) = 0
[pid 9520] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9515] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9514] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9527] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9526] <... set_robust_list resumed>) = 0
[pid 9525] <... set_robust_list resumed>) = 0
[pid 9521] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9527] <... set_robust_list resumed>) = 0
[pid 9526] chdir("./186" <unfinished ...>
[pid 9525] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9527] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9526] <... chdir resumed>) = 0
[pid 9525] <... memfd_create resumed>) = 3
[pid 9515] <... openat resumed>) = 4
[pid 9527] <... memfd_create resumed>) = 3
[pid 9527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9526] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9515] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9527] <... mmap resumed>) = 0x7fe424ef8000
[pid 9526] <... prctl resumed>) = 0
[pid 9525] <... mmap resumed>) = 0x7fe424ef8000
[pid 9515] <... futex resumed>) = 1
[pid 9514] <... futex resumed>) = 0
[pid 9526] setpgid(0, 0 <unfinished ...>
[pid 9524] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9526] <... setpgid resumed>) = 0
[pid 9515] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9514] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9514] <... futex resumed>) = 0
[pid 9526] <... openat resumed>) = 3
[pid 9515] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9514] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9526] write(3, "1000", 4) = 4
[pid 9526] close(3) = 0
[pid 9526] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9526] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9526] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9526] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9510] <... write resumed>) = 282624
[pid 9526] <... clone resumed>, parent_tid=[9528], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9528
[pid 9510] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9507] exit_group(0./strace-static-x86_64: Process 9528 attached
<unfinished ...>
[pid 9526] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9523] <... futex resumed>) = ?
[pid 9510] <... futex resumed>) = ?
[pid 9507] <... exit_group resumed>) = ?
[pid 9528] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9526] <... futex resumed>) = 0
[pid 9523] +++ exited with 0 +++
[pid 9510] +++ exited with 0 +++
[pid 9507] +++ exited with 0 +++
[pid 9528] <... set_robust_list resumed>) = 0
[pid 9526] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9525] <... write resumed>) = 2097152
[pid 9528] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9525] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9507, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 9528] <... memfd_create resumed>) = 3
[pid 9525] <... munmap resumed>) = 0
[pid 5075] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9525] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9528] <... mmap resumed>) = 0x7fe424ef8000
[pid 9525] <... openat resumed>) = 4
[pid 9524] <... write resumed>) = 2097152
[pid 5075] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9525] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./186/binderfs") = 0
[pid 9524] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9525] <... ioctl resumed>) = 0
[pid 9524] <... munmap resumed>) = 0
[pid 9514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 9524] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9525] close(3 <unfinished ...>
[pid 9514] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9525] <... close resumed>) = 0
[pid 9514] <... futex resumed>) = 0
[pid 9525] mkdir("./file0", 0777 <unfinished ...>
[pid 9514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9525] <... mkdir resumed>) = 0
[pid 9525] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9514] <... mmap resumed>) = 0x7fe4250d7000
[pid 9514] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9527] <... write resumed>) = 2097152
[pid 9514] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9529], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9529
[pid 9514] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9514] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9527] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9527] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[ 240.827910][ T9525] loop2: detected capacity change from 0 to 4096
[ 240.850442][ T9524] loop0: detected capacity change from 0 to 4096
[pid 9527] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9524] <... ioctl resumed>) = 0
[pid 9524] close(3) = 0
[pid 9524] mkdir("./file0", 0777) = 0
[pid 9524] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9529 attached
<unfinished ...>
[pid 9529] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9529] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9529] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9514] <... futex resumed>) = 0
[pid 9529] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9527] <... ioctl resumed>) = 0
[pid 9527] close(3) = 0
[pid 9527] mkdir("./file0", 0777) = 0
[pid 5075] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 240.883352][ T9527] loop4: detected capacity change from 0 to 4096
[ 240.884492][ T9525] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9527] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9528] <... write resumed>) = 2097152
[pid 9515] <... write resumed>) = 303104
[pid 5075] lstat("./186/file0", <unfinished ...>
[pid 9528] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9515] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9514] exit_group(0 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9529] <... futex resumed>) = ?
[pid 9528] <... munmap resumed>) = 0
[pid 9515] <... futex resumed>) = ?
[pid 9514] <... exit_group resumed>) = ?
[pid 5075] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9529] +++ exited with 0 +++
[pid 9528] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9515] +++ exited with 0 +++
[pid 5075] getdents64(4, <unfinished ...>
[pid 9514] +++ exited with 0 +++
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9528] <... openat resumed>) = 4
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[ 240.931920][ T9524] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 240.937316][ T9525] NILFS (loop2): trying rollback from an earlier position
[ 240.955059][ T9527] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 240.970020][ T9524] NILFS (loop0): trying rollback from an earlier position
[pid 5075] close(4) = 0
[pid 5075] rmdir("./186/file0") = 0
[pid 9528] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9514, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./186") = 0
[pid 5075] mkdir("./187", 0777 <unfinished ...>
[pid 5071] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9531
[pid 5071] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./182/binderfs") = 0
[pid 9528] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 9531 attached
[pid 9528] close(3 <unfinished ...>
[pid 9525] <... mount resumed>) = 0
[pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9531] set_robust_list(0x555556a0d5e0, 24) = 0
[ 240.980805][ T9525] NILFS (loop2): recovery complete
[ 240.990901][ T9528] loop3: detected capacity change from 0 to 4096
[ 240.997766][ T9530] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 241.018748][ T9524] NILFS (loop0): recovery complete
[ 241.022623][ T9527] NILFS (loop4): trying rollback from an earlier position
[pid 9531] chdir("./187") = 0
[pid 9528] <... close resumed>) = 0
[pid 9525] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9531] setpgid(0, 0) = 0
[pid 9531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9531] write(3, "1000", 4) = 4
[pid 9531] close(3) = 0
[pid 9528] mkdir("./file0", 0777 <unfinished ...>
[pid 9525] <... openat resumed>) = 3
[pid 9524] <... mount resumed>) = 0
[pid 9528] <... mkdir resumed>) = 0
[pid 9525] chdir("./file0" <unfinished ...>
[pid 9528] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9525] <... chdir resumed>) = 0
[pid 9525] ioctl(4, LOOP_CLR_FD) = 0
[pid 9525] close(4 <unfinished ...>
[pid 9531] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9525] <... close resumed>) = 0
[pid 9524] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9525] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9520] <... futex resumed>) = 0
[pid 9525] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9520] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9520] <... futex resumed>) = 0
[pid 9525] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 241.038636][ T9532] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 241.050684][ T9527] NILFS (loop4): recovery complete
[ 241.066948][ T9528] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 241.072201][ T9533] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9520] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9531] <... symlink resumed>) = 0
[pid 9527] <... mount resumed>) = 0
[pid 9525] <... openat resumed>) = 4
[pid 9524] <... openat resumed>) = 3
[pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9525] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9520] <... futex resumed>) = 0
[pid 9525] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9520] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9520] <... futex resumed>) = 0
[pid 9525] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9520] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9531] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9524] chdir("./file0" <unfinished ...>
[pid 9531] <... futex resumed>) = 0
[pid 9527] <... openat resumed>) = 3
[pid 9524] <... chdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9527] chdir("./file0" <unfinished ...>
[pid 9524] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] lstat("./182/file0", <unfinished ...>
[pid 9531] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9527] <... chdir resumed>) = 0
[pid 9524] <... ioctl resumed>) = 0
[pid 9531] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9527] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9524] close(4 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9531] <... mprotect resumed>) = 0
[pid 9527] <... ioctl resumed>) = 0
[pid 9524] <... close resumed>) = 0
[pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9531] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9527] close(4 <unfinished ...>
[pid 9524] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9527] <... close resumed>) = 0
[pid 9524] <... futex resumed>) = 1
[pid 9519] <... futex resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9531] <... clone resumed>, parent_tid=[9534], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9534
[pid 9527] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9524] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9519] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9531] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9527] <... futex resumed>) = 1
[pid 9524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9521] <... futex resumed>) = 0
[pid 9519] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 4
./strace-static-x86_64: Process 9534 attached
[pid 9531] <... futex resumed>) = 0
[pid 9527] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9524] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9521] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9534] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9531] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9521] <... futex resumed>) = 0
[pid 9534] <... set_robust_list resumed>) = 0
[pid 9527] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9524] <... openat resumed>) = 4
[pid 9521] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9534] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9527] <... openat resumed>) = 4
[pid 9524] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9534] <... memfd_create resumed>) = 3
[pid 9527] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9524] <... futex resumed>) = 1
[pid 9519] <... futex resumed>) = 0
[pid 9534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9527] <... futex resumed>) = 1
[pid 9524] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9521] <... futex resumed>) = 0
[pid 9519] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9534] <... mmap resumed>) = 0x7fe424ef8000
[pid 9527] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9521] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] <... futex resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 241.088625][ T9528] NILFS (loop3): trying rollback from an earlier position
[pid 9524] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9521] <... futex resumed>) = 0
[pid 9519] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9527] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9521] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9520] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] close(4 <unfinished ...>
[pid 9520] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9520] <... futex resumed>) = 0
[pid 9520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] rmdir("./182/file0" <unfinished ...>
[pid 9520] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... rmdir resumed>) = 0
[pid 9520] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9520] <... mprotect resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9520] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9520] <... clone resumed>, parent_tid=[9536], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9536
[pid 5071] <... close resumed>) = 0
[pid 9520] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./182"./strace-static-x86_64: Process 9536 attached
<unfinished ...>
[pid 9520] <... futex resumed>) = 0
[pid 9520] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[ 241.168599][ T9528] NILFS (loop3): recovery complete
[pid 9536] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9534] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] mkdir("./183", 0777 <unfinished ...>
[pid 9536] <... set_robust_list resumed>) = 0
[pid 9528] <... mount resumed>) = 0
[pid 9519] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9536] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9528] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9519] <... futex resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9528] <... openat resumed>) = 3
[pid 9521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9536] <... mmap resumed>) = 0x20000000
[pid 9528] chdir("./file0" <unfinished ...>
[pid 9521] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9536] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9528] <... chdir resumed>) = 0
[pid 9521] <... futex resumed>) = 0
[pid 9519] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9536] <... futex resumed>) = 1
[pid 9528] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9520] <... futex resumed>) = 0
[pid 9519] <... mprotect resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9536] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9528] <... ioctl resumed>) = 0
[pid 9521] <... mmap resumed>) = 0x7fe4250d7000
[pid 9519] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9528] close(4 <unfinished ...>
[pid 9521] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9528] <... close resumed>) = 0
[pid 9521] <... mprotect resumed>) = 0
[pid 9519] <... clone resumed>, parent_tid=[9537], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9537
[pid 5071] <... close resumed>) = 0
[pid 9528] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9521] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9519] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9528] <... futex resumed>) = 1
[pid 9526] <... futex resumed>) = 0
[pid 9519] <... futex resumed>) = 0
./strace-static-x86_64: Process 9537 attached
[pid 9528] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9526] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9521] <... clone resumed>, parent_tid=[9538], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9538
[pid 9519] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9537] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9526] <... futex resumed>) = 0
[pid 9521] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9539
[pid 9537] <... set_robust_list resumed>) = 0
[pid 9528] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9526] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9521] <... futex resumed>) = 0
[pid 9537] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9521] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9538 attached
./strace-static-x86_64: Process 9539 attached
<unfinished ...>
[pid 9537] <... mmap resumed>) = 0x20000000
[pid 9537] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9519] <... futex resumed>) = 0
[pid 9538] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9537] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9538] <... set_robust_list resumed>) = 0
[ 241.201026][ T9535] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9539] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9538] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9528] <... openat resumed>) = 4
[pid 9528] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9539] <... set_robust_list resumed>) = 0
[pid 9538] <... mmap resumed>) = 0x20000000
[pid 9528] <... futex resumed>) = 1
[pid 9526] <... futex resumed>) = 0
[pid 9539] chdir("./183" <unfinished ...>
[pid 9538] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9528] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9526] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9539] <... chdir resumed>) = 0
[pid 9538] <... futex resumed>) = 1
[pid 9528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9526] <... futex resumed>) = 0
[pid 9521] <... futex resumed>) = 0
[pid 9539] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9538] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9528] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9526] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9539] <... prctl resumed>) = 0
[pid 9534] <... write resumed>) = 2097152
[pid 9539] setpgid(0, 0) = 0
[pid 9539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9524] <... write resumed>) = 192512
[pid 9539] <... openat resumed>) = 3
[pid 9534] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9525] <... write resumed>) = 245760
[pid 9524] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9519] exit_group(0 <unfinished ...>
[pid 9539] write(3, "1000", 4) = 4
[pid 9537] <... futex resumed>) = ?
[pid 9534] <... munmap resumed>) = 0
[pid 9525] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9524] <... futex resumed>) = ?
[pid 9519] <... exit_group resumed>) = ?
[pid 9539] close(3 <unfinished ...>
[pid 9537] +++ exited with 0 +++
[pid 9534] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9525] <... futex resumed>) = 0
[pid 9524] +++ exited with 0 +++
[pid 9520] exit_group(0 <unfinished ...>
[pid 9519] +++ exited with 0 +++
[pid 9539] <... close resumed>) = 0
[pid 9536] <... futex resumed>) = ?
[pid 9534] <... openat resumed>) = 4
[pid 9520] <... exit_group resumed>) = ?
[pid 9539] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9536] +++ exited with 0 +++
[pid 9534] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9525] +++ exited with 0 +++
[pid 9526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9520] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9519, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 9539] <... symlink resumed>) = 0
[pid 9526] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9526] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9526] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9539] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9534] <... ioctl resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9520, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9539] <... futex resumed>) = 0
[pid 9534] close(3 <unfinished ...>
[pid 9526] <... clone resumed>, parent_tid=[9540], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9540
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9534] <... close resumed>) = 0
[pid 9526] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9539] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9534] mkdir("./file0", 0777 <unfinished ...>
[pid 9526] <... futex resumed>) = 0
[pid 5072] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9540 attached
<unfinished ...>
[pid 9539] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9526] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9540] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9539] <... mprotect resumed>) = 0
[pid 9534] <... mkdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9540] <... set_robust_list resumed>) = 0
[pid 9539] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9534] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9540] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9527] <... write resumed>) = 225280
[pid 9540] <... mmap resumed>) = 0x20000000
[pid 9539] <... clone resumed>, parent_tid=[9541], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9541
[pid 9527] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9541 attached
<unfinished ...>
[pid 9540] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9539] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9527] <... futex resumed>) = 0
[pid 9521] exit_group(0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9541] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9540] <... futex resumed>) = 1
[pid 9539] <... futex resumed>) = 0
[pid 9538] <... futex resumed>) = ?
[pid 9526] <... futex resumed>) = 0
[pid 9521] <... exit_group resumed>) = ?
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9541] <... set_robust_list resumed>) = 0
[ 241.338897][ T9534] loop5: detected capacity change from 0 to 4096
[ 241.364874][ T9534] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 241.373512][ T9534] NILFS (loop5): trying rollback from an earlier position
[pid 9540] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9539] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9538] +++ exited with 0 +++
[pid 9527] +++ exited with 0 +++
[pid 9521] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9521, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5074] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9541] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] fstat(3, <unfinished ...>
[pid 9541] <... memfd_create resumed>) = 3
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(3, <unfinished ...>
[pid 9541] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] lstat("./185/binderfs", <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./184/binderfs", <unfinished ...>
[pid 5072] unlink("./185/binderfs" <unfinished ...>
[pid 5070] lstat("./182/binderfs", <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9534] <... mount resumed>) = 0
[pid 5074] unlink("./184/binderfs" <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9534] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9534] <... openat resumed>) = 3
[pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9534] chdir("./file0") = 0
[pid 9534] ioctl(4, LOOP_CLR_FD) = 0
[pid 9534] close(4) = 0
[pid 9534] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9531] <... futex resumed>) = 0
[pid 9534] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9531] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9531] <... futex resumed>) = 0
[pid 9534] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9531] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] unlink("./182/binderfs") = 0
[pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9528] <... write resumed>) = 217088
[pid 9528] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9526] exit_group(0 <unfinished ...>
[pid 9540] <... futex resumed>) = ?
[pid 9526] <... exit_group resumed>) = ?
[pid 9540] +++ exited with 0 +++
[pid 9528] +++ exited with 0 +++
[pid 9526] +++ exited with 0 +++
[ 241.389862][ T9534] NILFS (loop5): recovery complete
[ 241.408788][ T9542] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9526, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 9541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = 0
[pid 9531] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5073] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9531] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9531] <... mprotect resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9534] <... openat resumed>) = 4
[pid 9531] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9534] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9534] <... futex resumed>) = 0
[pid 9531] <... clone resumed>, parent_tid=[9543], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9543
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9534] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9531] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9531] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... umount2 resumed>) = 0
[pid 9531] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9543 attached
<unfinished ...>
[pid 5073] unlink("./186/binderfs" <unfinished ...>
[pid 9543] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9543] <... set_robust_list resumed>) = 0
[pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] lstat("./185/file0", <unfinished ...>
[pid 9543] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./185/file0" <unfinished ...>
[pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] close(3 <unfinished ...>
[pid 5074] lstat("./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] rmdir("./185" <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./186", 0777 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... mkdir resumed>) = 0
[pid 9531] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9534] <... futex resumed>) = 0
[pid 9531] <... futex resumed>) = 1
[pid 5074] fstat(4, <unfinished ...>
[pid 9541] <... write resumed>) = 2097152
[pid 9534] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9531] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9534] <... mmap resumed>) = 0x20000000
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9541] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9534] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9541] <... munmap resumed>) = 0
[pid 9534] <... futex resumed>) = 1
[pid 9531] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9541] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9534] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./184/file0" <unfinished ...>
[pid 9541] <... openat resumed>) = 4
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] lstat("./182/file0", <unfinished ...>
[pid 9541] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./184") = 0
[pid 5074] mkdir("./185", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 9544 attached
[pid 5074] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9544] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9544
[pid 5070] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9544] <... set_robust_list resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9544] chdir("./186" <unfinished ...>
[pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9544] <... chdir resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9545
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(4, <unfinished ...>
[pid 9544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9543] <... write resumed>) = 65536
[pid 5073] lstat("./186/file0", <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9544] setpgid(0, 0 <unfinished ...>
[pid 9543] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9531] exit_group(0 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9545 attached
[pid 9544] <... setpgid resumed>) = 0
[pid 9543] <... futex resumed>) = ?
[pid 9541] <... ioctl resumed>) = 0
[pid 9534] <... futex resumed>) = ?
[pid 9531] <... exit_group resumed>) = ?
[pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9545] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9543] +++ exited with 0 +++
[pid 9541] close(3 <unfinished ...>
[pid 9534] +++ exited with 0 +++
[pid 9531] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(4, <unfinished ...>
[pid 9545] <... set_robust_list resumed>) = 0
[pid 9544] <... openat resumed>) = 3
[pid 9541] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9545] chdir("./185" <unfinished ...>
[pid 9544] write(3, "1000", 4 <unfinished ...>
[pid 9541] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9531, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} ---
[pid 5073] <... openat resumed>) = 4
[pid 5070] close(4 <unfinished ...>
[pid 9545] <... chdir resumed>) = 0
[pid 9544] <... write resumed>) = 4
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9545] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9544] close(3 <unfinished ...>
[pid 9541] <... mkdir resumed>) = 0
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9545] <... prctl resumed>) = 0
[pid 9544] <... close resumed>) = 0
[pid 9541] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] rmdir("./182/file0" <unfinished ...>
[pid 9545] setpgid(0, 0 <unfinished ...>
[pid 9544] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9545] <... setpgid resumed>) = 0
[pid 9544] <... symlink resumed>) = 0
[pid 5075] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9544] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9545] <... openat resumed>) = 3
[pid 9544] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9545] write(3, "1000", 4 <unfinished ...>
[pid 9544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9545] <... write resumed>) = 4
[pid 9544] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[ 241.572425][ T9541] loop1: detected capacity change from 0 to 4096
[pid 9545] close(3 <unfinished ...>
[pid 9544] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9545] <... close resumed>) = 0
[pid 9544] <... mprotect resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9545] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9544] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9545] <... symlink resumed>) = 0
[pid 5075] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9545] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9544] <... clone resumed>, parent_tid=[9546], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9546
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9545] <... futex resumed>) = 0
[pid 9544] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] lstat("./187/binderfs", <unfinished ...>
[pid 9545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9544] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9545] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9544] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] unlink("./187/binderfs" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9545] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5073] rmdir("./186/file0" <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9545] <... mprotect resumed>) = 0
[pid 5075] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9545] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] rmdir("./182"./strace-static-x86_64: Process 9546 attached
<unfinished ...>
[pid 9545] <... clone resumed>, parent_tid=[9547], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9547
[pid 9546] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9545] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9546] <... set_robust_list resumed>) = 0
[pid 9545] <... futex resumed>) = 0
[pid 9546] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9545] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9546] <... memfd_create resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] mkdir("./183", 0777 <unfinished ...>
[pid 9546] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] close(3) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5073] rmdir("./186" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] mkdir("./187", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9548
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9549
./strace-static-x86_64: Process 9547 attached
[ 241.621837][ T9541] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 241.631586][ T9541] NILFS (loop1): trying rollback from an earlier position
[pid 9547] set_robust_list(0x7fe42d3189e0, 24./strace-static-x86_64: Process 9549 attached
) = 0
./strace-static-x86_64: Process 9548 attached
[pid 9549] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9547] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9549] <... set_robust_list resumed>) = 0
[pid 9548] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9547] <... memfd_create resumed>) = 3
[pid 9549] chdir("./187" <unfinished ...>
[pid 9548] <... set_robust_list resumed>) = 0
[pid 9547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9549] <... chdir resumed>) = 0
[pid 9548] chdir("./183" <unfinished ...>
[pid 9547] <... mmap resumed>) = 0x7fe424ef8000
[pid 9549] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9548] <... chdir resumed>) = 0
[pid 9549] <... prctl resumed>) = 0
[pid 9548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9549] setpgid(0, 0 <unfinished ...>
[pid 9548] setpgid(0, 0 <unfinished ...>
[pid 9546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9549] <... setpgid resumed>) = 0
[pid 9548] <... setpgid resumed>) = 0
[pid 9548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9548] write(3, "1000", 4) = 4
[pid 9548] close(3) = 0
[pid 9548] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9548] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9549] <... openat resumed>) = 3
[pid 9548] <... futex resumed>) = 0
[pid 9549] write(3, "1000", 4 <unfinished ...>
[pid 9548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9549] <... write resumed>) = 4
[pid 9548] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9549] close(3 <unfinished ...>
[pid 9548] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9549] <... close resumed>) = 0
[pid 9548] <... mprotect resumed>) = 0
[pid 9549] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9548] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9549] <... symlink resumed>) = 0
[pid 9549] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9548] <... clone resumed>, parent_tid=[9551], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9551
[ 241.700998][ T9541] NILFS (loop1): recovery complete
[pid 9549] <... futex resumed>) = 0
[pid 9548] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9548] <... futex resumed>) = 0
[pid 9541] <... mount resumed>) = 0
[pid 5075] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9549] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9548] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9551 attached
[pid 9549] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9541] <... openat resumed>) = 3
[pid 5075] lstat("./187/file0", <unfinished ...>
[pid 9551] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9549] <... mprotect resumed>) = 0
[pid 9541] chdir("./file0" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9551] <... set_robust_list resumed>) = 0
[pid 9549] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9541] <... chdir resumed>) = 0
[pid 5075] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9551] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9541] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9549] <... clone resumed>, parent_tid=[9552], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9552
[pid 9541] <... ioctl resumed>) = 0
[pid 9551] <... memfd_create resumed>) = 3
[pid 5075] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9541] close(4 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
./strace-static-x86_64: Process 9552 attached
[pid 9551] <... mmap resumed>) = 0x7fe424ef8000
[pid 9549] <... futex resumed>) = 0
[pid 9541] <... close resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 9552] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9541] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9552] <... set_robust_list resumed>) = 0
[pid 9541] <... futex resumed>) = 1
[pid 9539] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9541] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9539] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9552] memfd_create("syzkaller", 0) = 3
[pid 9541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9539] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9541] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9539] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9552] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] close(4) = 0
[pid 5075] rmdir("./187/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./187" <unfinished ...>
[pid 9541] <... openat resumed>) = 4
[ 241.723556][ T9550] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9541] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9541] <... futex resumed>) = 1
[pid 9539] <... futex resumed>) = 0
[pid 5075] mkdir("./188", 0777 <unfinished ...>
[pid 9541] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9539] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9539] <... futex resumed>) = 0
[pid 9541] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9539] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9546] <... write resumed>) = 2097152
[pid 9546] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3 <unfinished ...>
[pid 9552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9547] <... write resumed>) = 2097152
[pid 9546] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9546] <... openat resumed>) = 4
[pid 9546] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 9547] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9546] close(3) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9553
[pid 9547] <... munmap resumed>) = 0
[pid 9547] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 9553 attached
<unfinished ...>
[pid 9551] <... write resumed>) = 2097152
[pid 9546] mkdir("./file0", 0777 <unfinished ...>
[pid 9547] <... openat resumed>) = 4
[pid 9547] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9553] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9539] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9551] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9546] <... mkdir resumed>) = 0
[pid 9551] <... munmap resumed>) = 0
[pid 9546] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 9547] <... ioctl resumed>) = 0
[pid 9539] <... futex resumed>) = 0
[pid 9553] <... set_robust_list resumed>) = 0
[pid 9539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9553] chdir("./188" <unfinished ...>
[pid 9551] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9539] <... mmap resumed>) = 0x7fe4250d7000
[pid 9553] <... chdir resumed>) = 0
[pid 9547] close(3 <unfinished ...>
[pid 9539] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9553] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9547] <... close resumed>) = 0
[pid 9539] <... mprotect resumed>) = 0
[ 241.819051][ T9546] loop2: detected capacity change from 0 to 4096
[ 241.847592][ T9547] loop4: detected capacity change from 0 to 4096
[ 241.855685][ T9551] loop0: detected capacity change from 0 to 4096
[pid 9553] <... prctl resumed>) = 0
[pid 9547] mkdir("./file0", 0777 <unfinished ...>
[pid 9539] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9553] setpgid(0, 0 <unfinished ...>
[pid 9547] <... mkdir resumed>) = 0
[pid 9553] <... setpgid resumed>) = 0
[pid 9539] <... clone resumed>, parent_tid=[9554], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9554
[pid 9547] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9539] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9553] <... openat resumed>) = 3
[pid 9539] <... futex resumed>) = 0
[pid 9553] write(3, "1000", 4 <unfinished ...>
[pid 9539] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9553] <... write resumed>) = 4
[pid 9552] <... write resumed>) = 2097152
[pid 9553] close(3) = 0
[pid 9553] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9551] <... ioctl resumed>) = 0
[pid 9553] <... symlink resumed>) = 0
[pid 9553] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9551] close(3 <unfinished ...>
[pid 9553] <... futex resumed>) = 0
[pid 9551] <... close resumed>) = 0
./strace-static-x86_64: Process 9554 attached
[pid 9553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9551] mkdir("./file0", 0777) = 0
[pid 9551] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9552] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9552] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 9552] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9554] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9553] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9554] <... set_robust_list resumed>) = 0
[ 241.871102][ T9546] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 241.897001][ T9547] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 241.905163][ T9552] loop3: detected capacity change from 0 to 4096
[pid 9553] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9554] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9553] <... mprotect resumed>) = 0
[pid 9554] <... mmap resumed>) = 0x20000000
[pid 9554] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9553] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9554] <... futex resumed>) = 1
[pid 9539] <... futex resumed>) = 0
./strace-static-x86_64: Process 9555 attached
[pid 9554] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9553] <... clone resumed>, parent_tid=[9555], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9555
[pid 9553] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9553] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9555] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9555] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9547] <... mount resumed>) = 0
[pid 9555] <... memfd_create resumed>) = 3
[pid 9555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9547] chdir("./file0") = 0
[ 241.915062][ T9547] NILFS (loop4): trying rollback from an earlier position
[ 241.930887][ T9546] NILFS (loop2): trying rollback from an earlier position
[ 241.938697][ T9551] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 241.940077][ T9547] NILFS (loop4): recovery complete
[ 241.957644][ T9556] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9552] <... ioctl resumed>) = 0
[pid 9551] <... mount resumed>) = 0
[pid 9551] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9547] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9552] close(3 <unfinished ...>
[pid 9551] chdir("./file0" <unfinished ...>
[pid 9547] <... ioctl resumed>) = 0
[pid 9552] <... close resumed>) = 0
[pid 9551] <... chdir resumed>) = 0
[pid 9547] close(4 <unfinished ...>
[ 241.975798][ T9551] NILFS (loop0): trying rollback from an earlier position
[ 241.976499][ T9546] NILFS (loop2): recovery complete
[ 241.990990][ T9551] NILFS (loop0): recovery complete
[pid 9555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9552] mkdir("./file0", 0777 <unfinished ...>
[pid 9551] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9547] <... close resumed>) = 0
[pid 9552] <... mkdir resumed>) = 0
[pid 9551] <... ioctl resumed>) = 0
[pid 9547] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9552] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9551] close(4 <unfinished ...>
[pid 9547] <... futex resumed>) = 1
[pid 9545] <... futex resumed>) = 0
[pid 9541] <... write resumed>) = 450560
[pid 9551] <... close resumed>) = 0
[pid 9545] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9551] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9545] <... futex resumed>) = 0
[pid 9551] <... futex resumed>) = 1
[pid 9548] <... futex resumed>) = 0
[pid 9545] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9551] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9548] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9548] <... futex resumed>) = 0
[pid 9551] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9548] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9547] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9541] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9539] exit_group(0 <unfinished ...>
[pid 9554] <... futex resumed>) = ?
[pid 9541] <... futex resumed>) = ?
[pid 9539] <... exit_group resumed>) = ?
[pid 9554] +++ exited with 0 +++
[pid 9541] +++ exited with 0 +++
[pid 9539] +++ exited with 0 +++
[pid 9555] <... write resumed>) = 2097152
[pid 9547] <... openat resumed>) = 4
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9539, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[ 242.022245][ T9557] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 242.044707][ T9552] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 242.059557][ T9558] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9555] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9547] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9555] <... munmap resumed>) = 0
[pid 9547] <... futex resumed>) = 1
[pid 9546] <... mount resumed>) = 0
[pid 9545] <... futex resumed>) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9555] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9547] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9546] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9545] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9555] <... openat resumed>) = 4
[pid 9547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9546] <... openat resumed>) = 3
[pid 9545] <... futex resumed>) = 0
[pid 9555] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9547] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9546] chdir("./file0" <unfinished ...>
[pid 9545] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9546] <... chdir resumed>) = 0
[pid 9546] ioctl(4, LOOP_CLR_FD) = 0
[pid 9546] close(4) = 0
[pid 9546] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9544] <... futex resumed>) = 0
[pid 9546] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9544] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9544] <... futex resumed>) = 0
[pid 9546] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9544] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9551] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9551] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9551] <... futex resumed>) = 1
[pid 9548] <... futex resumed>) = 0
[pid 9551] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9548] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9548] <... futex resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9551] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9548] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9555] <... ioctl resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9555] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9555] <... close resumed>) = 0
[pid 5071] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9555] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9555] <... mkdir resumed>) = 0
[pid 5071] unlink("./183/binderfs" <unfinished ...>
[ 242.064575][ T9552] NILFS (loop3): trying rollback from an earlier position
[ 242.085400][ T9555] loop5: detected capacity change from 0 to 4096
[pid 9555] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9546] <... openat resumed>) = 4
[pid 9545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9546] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9545] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9546] <... futex resumed>) = 1
[pid 9545] <... futex resumed>) = 0
[pid 9544] <... futex resumed>) = 0
[pid 9546] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9544] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9545] <... mmap resumed>) = 0x7fe4250d7000
[pid 9544] <... futex resumed>) = 0
[pid 9546] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9545] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9544] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9545] <... mprotect resumed>) = 0
[pid 9548] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9545] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9548] <... futex resumed>) = 0
[pid 9548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9545] <... clone resumed>, parent_tid=[9559], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9559
[pid 9548] <... mmap resumed>) = 0x7fe4250d7000
[pid 9545] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9548] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9545] <... futex resumed>) = 0
[pid 9548] <... mprotect resumed>) = 0
[pid 9545] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9548] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9560], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9560
[pid 9548] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9548] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9559 attached
<unfinished ...>
[pid 9559] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9559] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[ 242.149157][ T9552] NILFS (loop3): recovery complete
[pid 9559] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9545] <... futex resumed>) = 0
[pid 9559] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9560 attached
<unfinished ...>
[pid 9560] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9560] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9547] <... write resumed>) = 122880
[pid 9560] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9547] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9560] <... futex resumed>) = 1
[pid 9548] <... futex resumed>) = 0
[pid 9547] <... futex resumed>) = 0
[pid 9560] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9547] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9545] exit_group(0 <unfinished ...>
[pid 9559] <... futex resumed>) = ?
[pid 9552] <... mount resumed>) = 0
[pid 9545] <... exit_group resumed>) = ?
[pid 9544] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... umount2 resumed>) = 0
[pid 9559] +++ exited with 0 +++
[pid 9544] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9544] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9544] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9562], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9562
[ 242.169670][ T9555] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 242.208315][ T9561] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9544] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9552] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9547] <... futex resumed>) = ?
[pid 9544] <... futex resumed>) = 0
[pid 9552] <... openat resumed>) = 3
[pid 9544] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9562 attached
<unfinished ...>
[pid 9562] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9547] +++ exited with 0 +++
[pid 9545] +++ exited with 0 +++
[pid 9552] chdir("./file0") = 0
[pid 9552] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9545, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9552] <... ioctl resumed>) = 0
[pid 9562] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9552] close(4 <unfinished ...>
[pid 5074] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9562] <... mmap resumed>) = 0x20000000
[pid 9552] <... close resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9552] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9552] <... futex resumed>) = 1
[pid 9549] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9552] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9549] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] lstat("./183/file0", <unfinished ...>
[pid 9552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9549] <... futex resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9552] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9562] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9562] <... futex resumed>) = 1
[pid 9544] <... futex resumed>) = 0
[pid 5074] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9562] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] lstat("./185/binderfs", <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 5074] unlink("./185/binderfs" <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 9551] <... write resumed>) = 180224
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9552] <... openat resumed>) = 4
[ 242.216215][ T9555] NILFS (loop5): trying rollback from an earlier position
[pid 9551] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9552] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9551] <... futex resumed>) = 0
[pid 9548] exit_group(0 <unfinished ...>
[pid 9560] <... futex resumed>) = ?
[pid 9552] <... futex resumed>) = 1
[pid 9549] <... futex resumed>) = 0
[pid 9548] <... exit_group resumed>) = ?
[pid 5071] <... close resumed>) = 0
[pid 9560] +++ exited with 0 +++
[pid 9551] +++ exited with 0 +++
[pid 9549] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9548] +++ exited with 0 +++
[pid 9549] <... futex resumed>) = 0
[pid 5071] rmdir("./183/file0" <unfinished ...>
[pid 9552] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9548, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5070] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9546] <... write resumed>) = 184320
[pid 9546] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9544] exit_group(0 <unfinished ...>
[pid 9562] <... futex resumed>) = ?
[pid 9544] <... exit_group resumed>) = ?
[pid 9562] +++ exited with 0 +++
[pid 9546] <... futex resumed>) = ?
[pid 9546] +++ exited with 0 +++
[pid 9544] +++ exited with 0 +++
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9544, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5071] close(3 <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5071] rmdir("./183" <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9555] <... mount resumed>) = 0
[pid 5072] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] mkdir("./184", 0777 <unfinished ...>
[pid 9555] <... openat resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9555] chdir("./file0" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9555] <... chdir resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9555] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] lstat("./183/binderfs", <unfinished ...>
[pid 9555] <... ioctl resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9555] close(4 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9555] <... close resumed>) = 0
[pid 9549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] close(3 <unfinished ...>
[pid 5070] unlink("./183/binderfs" <unfinished ...>
[pid 9555] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9555] <... futex resumed>) = 1
[pid 9553] <... futex resumed>) = 0
[pid 9549] <... futex resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 9555] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9553] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9553] <... futex resumed>) = 0
[pid 5072] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9555] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9553] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9549] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9555] <... openat resumed>) = 4
[pid 9549] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9555] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9553] <... futex resumed>) = 0
[pid 9549] <... mprotect resumed>) = 0
[pid 5072] lstat("./186/binderfs", <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9564
[pid 9555] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9553] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9549] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9553] <... futex resumed>) = 0
[ 242.298524][ T9555] NILFS (loop5): recovery complete
[ 242.317208][ T9563] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9555] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9553] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] unlink("./186/binderfs"./strace-static-x86_64: Process 9565 attached
./strace-static-x86_64: Process 9564 attached
<unfinished ...>
[pid 9549] <... clone resumed>, parent_tid=[9565], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9565
[pid 5074] <... umount2 resumed>) = 0
[pid 9565] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9565] <... set_robust_list resumed>) = 0
[pid 9564] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9549] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9565] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9564] <... set_robust_list resumed>) = 0
[pid 9549] <... futex resumed>) = 0
[pid 9565] <... mmap resumed>) = 0x20000000
[pid 9564] chdir("./184" <unfinished ...>
[pid 9549] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9564] <... chdir resumed>) = 0
[pid 9564] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9565] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9564] <... prctl resumed>) = 0
[pid 9565] <... futex resumed>) = 1
[pid 9549] <... futex resumed>) = 0
[pid 9565] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9564] setpgid(0, 0) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9564] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9564] write(3, "1000", 4 <unfinished ...>
[pid 5072] lstat("./186/file0", <unfinished ...>
[pid 9564] <... write resumed>) = 4
[pid 9564] close(3 <unfinished ...>
[pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9564] <... close resumed>) = 0
[pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9564] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9564] <... symlink resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9564] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9564] <... futex resumed>) = 0
[pid 5074] lstat("./185/file0", <unfinished ...>
[pid 9564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9564] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9564] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9564] <... mprotect resumed>) = 0
[pid 9553] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] getdents64(4, <unfinished ...>
[pid 9564] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9553] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9564] <... clone resumed>, parent_tid=[9566], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9566
[pid 9553] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9564] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9553] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9564] <... futex resumed>) = 0
[pid 9553] <... mprotect resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9564] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9553] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... close resumed>) = 0
./strace-static-x86_64: Process 9566 attached
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] rmdir("./186/file0" <unfinished ...>
[pid 9566] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9553] <... clone resumed>, parent_tid=[9567], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9567
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9553] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 9553] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9567 attached
[pid 9553] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] rmdir("./185/file0" <unfinished ...>
[pid 9567] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9566] <... set_robust_list resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] lstat("./183/file0", <unfinished ...>
[pid 9567] <... set_robust_list resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9567] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9566] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9567] <... mmap resumed>) = 0x20000000
[pid 9566] <... memfd_create resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9567] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9567] <... futex resumed>) = 1
[pid 9566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9553] <... futex resumed>) = 0
[pid 5074] rmdir("./185" <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9567] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9566] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] rmdir("./186" <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5074] mkdir("./186", 0777 <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] mkdir("./187", 0777 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] close(4 <unfinished ...>
[pid 9566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./183/file0" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9568
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9569
[pid 5070] rmdir("./183"./strace-static-x86_64: Process 9568 attached
) = 0
./strace-static-x86_64: Process 9569 attached
[pid 9568] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] mkdir("./184", 0777 <unfinished ...>
[pid 9569] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9568] <... set_robust_list resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 9569] <... set_robust_list resumed>) = 0
[pid 9568] chdir("./186" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9568] <... chdir resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9568] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9568] <... prctl resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9568] setpgid(0, 0 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9569] chdir("./187" <unfinished ...>
[pid 9568] <... setpgid resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9569] <... chdir resumed>) = 0
[pid 9568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9552] <... write resumed>) = 339968
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9569] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9568] <... openat resumed>) = 3
[pid 9555] <... write resumed>) = 270336
[pid 9552] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9569] <... prctl resumed>) = 0
[pid 9568] write(3, "1000", 4 <unfinished ...>
[pid 9555] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9553] exit_group(0 <unfinished ...>
[pid 9552] <... futex resumed>) = 0
[pid 9549] exit_group(0 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9570
./strace-static-x86_64: Process 9570 attached
[pid 9569] setpgid(0, 0 <unfinished ...>
[pid 9568] <... write resumed>) = 4
[pid 9567] <... futex resumed>) = ?
[pid 9566] <... write resumed>) = 2097152
[pid 9565] <... futex resumed>) = ?
[pid 9555] <... futex resumed>) = ?
[pid 9553] <... exit_group resumed>) = ?
[pid 9549] <... exit_group resumed>) = ?
[pid 9570] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9569] <... setpgid resumed>) = 0
[pid 9566] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9565] +++ exited with 0 +++
[pid 9570] <... set_robust_list resumed>) = 0
[pid 9569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9567] +++ exited with 0 +++
[pid 9566] <... munmap resumed>) = 0
[pid 9555] +++ exited with 0 +++
[pid 9570] chdir("./184" <unfinished ...>
[pid 9569] <... openat resumed>) = 3
[pid 9566] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9553] +++ exited with 0 +++
[pid 9570] <... chdir resumed>) = 0
[pid 9569] write(3, "1000", 4 <unfinished ...>
[pid 9566] <... openat resumed>) = 4
[pid 9570] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9569] <... write resumed>) = 4
[pid 9566] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9553, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
[pid 9570] <... prctl resumed>) = 0
[pid 9569] close(3 <unfinished ...>
[pid 9568] close(3 <unfinished ...>
[pid 9552] +++ exited with 0 +++
[pid 9549] +++ exited with 0 +++
[pid 9570] setpgid(0, 0 <unfinished ...>
[pid 9569] <... close resumed>) = 0
[pid 9568] <... close resumed>) = 0
[pid 9566] <... ioctl resumed>) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9570] <... setpgid resumed>) = 0
[pid 9569] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9568] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9566] close(3 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9549, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9569] <... symlink resumed>) = 0
[pid 9568] <... symlink resumed>) = 0
[pid 9566] <... close resumed>) = 0
[pid 9570] <... openat resumed>) = 3
[pid 9569] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9568] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9566] mkdir("./file0", 0777 <unfinished ...>
[pid 9570] write(3, "1000", 4 <unfinished ...>
[pid 9569] <... futex resumed>) = 0
[pid 9568] <... futex resumed>) = 0
[pid 5075] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9570] <... write resumed>) = 4
[pid 9569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9570] close(3 <unfinished ...>
[pid 9569] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9568] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9570] <... close resumed>) = 0
[pid 9569] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9568] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9570] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9569] <... mprotect resumed>) = 0
[pid 9568] <... mprotect resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9566] <... mkdir resumed>) = 0
[pid 9570] <... symlink resumed>) = 0
[pid 9568] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9570] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9569] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9566] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9570] <... futex resumed>) = 0
[pid 9568] <... clone resumed>, parent_tid=[9571], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9571
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] getdents64(3, <unfinished ...>
[pid 9570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9569] <... clone resumed>, parent_tid=[9572], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9572
[pid 9568] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9568] <... futex resumed>) = 0
[pid 9570] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9570] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9569] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9568] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9570] <... mprotect resumed>) = 0
[pid 9569] <... futex resumed>) = 0
[pid 5075] lstat("./188/binderfs", <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9570] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9569] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] lstat("./187/binderfs", <unfinished ...>
[pid 5075] unlink("./188/binderfs" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
./strace-static-x86_64: Process 9571 attached
[pid 9570] <... clone resumed>, parent_tid=[9573], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9573
[pid 9571] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9570] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5073] unlink("./187/binderfs" <unfinished ...>
[pid 9570] <... futex resumed>) = 0
[pid 5075] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9571] <... set_robust_list resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9571] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9570] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9571] <... memfd_create resumed>) = 3
[pid 9571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 9573 attached
) = 0x7fe424ef8000
[pid 9573] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9573] memfd_create("syzkaller", 0) = 3
[pid 9573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 242.566493][ T9566] loop1: detected capacity change from 0 to 4096
./strace-static-x86_64: Process 9572 attached
[pid 9572] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9572] memfd_create("syzkaller", 0) = 3
[pid 9572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = 0
[pid 9571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] lstat("./188/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5075] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./187/file0", <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[ 242.620293][ T9566] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 242.655298][ T9566] NILFS (loop1): trying rollback from an earlier position
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5075] close(4 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./188/file0" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] close(3 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] rmdir("./188" <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5075] mkdir("./189", 0777 <unfinished ...>
[pid 5073] rmdir("./187/file0") = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9572] <... write resumed>) = 2097152
[pid 5075] <... openat resumed>) = 3
[pid 5073] close(3 <unfinished ...>
[pid 9572] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./187" <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... rmdir resumed>) = 0
[pid 9572] <... munmap resumed>) = 0
[pid 5073] mkdir("./188", 0777 <unfinished ...>
[pid 9572] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9575
[pid 9572] <... openat resumed>) = 4
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9575 attached
<unfinished ...>
[pid 9572] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9575] set_robust_list(0x555556a0d5e0, 24) = 0
[ 242.709928][ T9566] NILFS (loop1): recovery complete
[pid 9575] chdir("./188" <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9576
[pid 9575] <... chdir resumed>) = 0
[pid 9575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9575] setpgid(0, 0) = 0
[pid 9575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 9576 attached
[pid 9575] write(3, "1000", 4 <unfinished ...>
[pid 9573] <... write resumed>) = 2097152
[pid 9572] <... ioctl resumed>) = 0
[pid 9576] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9575] <... write resumed>) = 4
[pid 9572] close(3 <unfinished ...>
[pid 9576] <... set_robust_list resumed>) = 0
[pid 9575] close(3 <unfinished ...>
[pid 9572] <... close resumed>) = 0
[pid 9571] <... write resumed>) = 2097152
[pid 9576] chdir("./189" <unfinished ...>
[pid 9575] <... close resumed>) = 0
[pid 9573] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9572] mkdir("./file0", 0777 <unfinished ...>
[pid 9571] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9576] <... chdir resumed>) = 0
[pid 9575] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9573] <... munmap resumed>) = 0
[pid 9572] <... mkdir resumed>) = 0
[pid 9576] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9575] <... symlink resumed>) = 0
[pid 9573] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9572] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9576] <... prctl resumed>) = 0
[pid 9575] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9573] <... openat resumed>) = 4
[pid 9576] setpgid(0, 0 <unfinished ...>
[pid 9575] <... futex resumed>) = 0
[pid 9573] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9576] <... setpgid resumed>) = 0
[pid 9575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9571] <... munmap resumed>) = 0
[pid 9566] <... mount resumed>) = 0
[pid 9576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9575] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9576] <... openat resumed>) = 3
[pid 9575] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9576] write(3, "1000", 4 <unfinished ...>
[pid 9575] <... mprotect resumed>) = 0
[pid 9576] <... write resumed>) = 4
[pid 9575] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9576] close(3) = 0
[pid 9575] <... clone resumed>, parent_tid=[9577], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9577
[pid 9576] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9575] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9576] <... symlink resumed>) = 0
[pid 9575] <... futex resumed>) = 0
[pid 9576] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9575] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9576] <... futex resumed>) = 0
[pid 9576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9566] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9576] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9571] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9576] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9566] <... openat resumed>) = 3
[pid 9576] <... mprotect resumed>) = 0
[pid 9571] <... openat resumed>) = 4
[pid 9566] chdir("./file0"./strace-static-x86_64: Process 9577 attached
<unfinished ...>
[pid 9576] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9571] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9566] <... chdir resumed>) = 0
[pid 9577] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9573] <... ioctl resumed>) = 0
[pid 9566] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9577] <... set_robust_list resumed>) = 0
[pid 9576] <... clone resumed>, parent_tid=[9578], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9578
[pid 9573] close(3 <unfinished ...>
[pid 9577] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9576] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9573] <... close resumed>) = 0
[pid 9577] <... memfd_create resumed>) = 3
[pid 9576] <... futex resumed>) = 0
[pid 9573] mkdir("./file0", 0777 <unfinished ...>
[pid 9577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9576] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9573] <... mkdir resumed>) = 0
[pid 9577] <... mmap resumed>) = 0x7fe424ef8000
[ 242.739795][ T9572] loop2: detected capacity change from 0 to 4096
[ 242.755631][ T9573] loop0: detected capacity change from 0 to 4096
[ 242.764734][ T9574] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 242.780450][ T9571] loop4: detected capacity change from 0 to 4096
[pid 9573] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9578 attached
<unfinished ...>
[pid 9566] <... ioctl resumed>) = 0
[pid 9578] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9578] memfd_create("syzkaller", 0) = 3
[pid 9578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9571] <... ioctl resumed>) = 0
[pid 9566] close(4 <unfinished ...>
[pid 9571] close(3 <unfinished ...>
[pid 9566] <... close resumed>) = 0
[pid 9571] <... close resumed>) = 0
[pid 9566] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9571] mkdir("./file0", 0777 <unfinished ...>
[pid 9566] <... futex resumed>) = 1
[pid 9564] <... futex resumed>) = 0
[pid 9571] <... mkdir resumed>) = 0
[pid 9566] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9564] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9571] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9564] <... futex resumed>) = 0
[pid 9566] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9564] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9566] <... openat resumed>) = 4
[pid 9566] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9564] <... futex resumed>) = 0
[pid 9566] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9564] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9564] <... futex resumed>) = 0
[pid 9577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9566] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9564] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 242.797890][ T9572] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 242.811833][ T9572] NILFS (loop2): trying rollback from an earlier position
[ 242.819435][ T9573] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9564] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9564] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9564] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[ 242.857565][ T9573] NILFS (loop0): trying rollback from an earlier position
[ 242.871366][ T9571] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 242.890117][ T9572] NILFS (loop2): recovery complete
[ 242.899887][ T9571] NILFS (loop4): trying rollback from an earlier position
[pid 9564] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 9580 attached
<unfinished ...>
[pid 9578] <... write resumed>) = 2097152
[pid 9572] <... mount resumed>) = 0
[pid 9580] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9577] <... write resumed>) = 2097152
[pid 9572] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9564] <... clone resumed>, parent_tid=[9580], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9580
[pid 9577] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9580] <... set_robust_list resumed>) = 0
[pid 9580] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9572] <... openat resumed>) = 3
[pid 9564] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9580] <... mmap resumed>) = 0x20000000
[pid 9564] <... futex resumed>) = 0
[pid 9572] chdir("./file0" <unfinished ...>
[pid 9564] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9580] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9572] <... chdir resumed>) = 0
[pid 9564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9572] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9580] <... futex resumed>) = 0
[pid 9577] <... munmap resumed>) = 0
[pid 9572] <... ioctl resumed>) = 0
[pid 9580] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9577] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9572] close(4 <unfinished ...>
[pid 9577] <... openat resumed>) = 4
[pid 9572] <... close resumed>) = 0
[pid 9577] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9578] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9572] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9569] <... futex resumed>) = 0
[pid 9578] <... munmap resumed>) = 0
[pid 9572] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9569] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9578] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9569] <... futex resumed>) = 0
[pid 9578] <... openat resumed>) = 4
[pid 9572] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9569] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 242.916694][ T9579] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 242.939482][ T9571] NILFS (loop4): recovery complete
[ 242.948025][ T9573] NILFS (loop0): recovery complete
[ 242.958089][ T9577] loop3: detected capacity change from 0 to 4096
[pid 9578] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9573] <... mount resumed>) = 0
[pid 9573] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9573] chdir("./file0" <unfinished ...>
[pid 9572] <... openat resumed>) = 4
[pid 9571] <... mount resumed>) = 0
[pid 9573] <... chdir resumed>) = 0
[pid 9572] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9577] <... ioctl resumed>) = 0
[pid 9573] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9572] <... futex resumed>) = 1
[pid 9571] <... openat resumed>) = 3
[pid 9569] <... futex resumed>) = 0
[pid 9577] close(3 <unfinished ...>
[pid 9573] <... ioctl resumed>) = 0
[pid 9572] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9571] chdir("./file0" <unfinished ...>
[pid 9569] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9577] <... close resumed>) = 0
[pid 9572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9571] <... chdir resumed>) = 0
[pid 9569] <... futex resumed>) = 0
[pid 9577] mkdir("./file0", 0777 <unfinished ...>
[pid 9573] close(4 <unfinished ...>
[pid 9577] <... mkdir resumed>) = 0
[pid 9572] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9571] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9569] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9573] <... close resumed>) = 0
[pid 9577] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9578] <... ioctl resumed>) = 0
[pid 9578] close(3) = 0
[pid 9578] mkdir("./file0", 0777) = 0
[pid 9578] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9571] <... ioctl resumed>) = 0
[pid 9573] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9571] close(4 <unfinished ...>
[pid 9573] <... futex resumed>) = 1
[pid 9570] <... futex resumed>) = 0
[pid 9566] <... write resumed>) = 245760
[pid 9573] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9571] <... close resumed>) = 0
[pid 9570] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9566] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9571] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9570] <... futex resumed>) = 0
[pid 9566] <... futex resumed>) = 0
[pid 9573] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9571] <... futex resumed>) = 1
[pid 9568] <... futex resumed>) = 0
[pid 9570] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 242.973636][ T9578] loop5: detected capacity change from 0 to 4096
[ 242.980888][ T9581] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 242.995617][ T9582] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9566] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9571] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9568] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9564] exit_group(0 <unfinished ...>
[pid 9568] <... futex resumed>) = 0
[pid 9564] <... exit_group resumed>) = ?
[pid 9580] <... futex resumed>) = ?
[pid 9568] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9566] <... futex resumed>) = ?
[pid 9580] +++ exited with 0 +++
[pid 9566] +++ exited with 0 +++
[pid 9564] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9564, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9573] <... openat resumed>) = 4
[pid 9573] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9573] <... futex resumed>) = 1
[pid 9570] <... futex resumed>) = 0
[pid 9570] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9573] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9570] <... futex resumed>) = 0
[pid 9570] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] getdents64(3, <unfinished ...>
[pid 9569] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9569] <... futex resumed>) = 0
[pid 9569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9569] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9569] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] lstat("./184/binderfs", <unfinished ...>
[pid 9569] <... mprotect resumed>) = 0
[pid 9569] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./184/binderfs") = 0
[pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9569] <... clone resumed>, parent_tid=[9583], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9583
[pid 9569] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9569] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9571] <... openat resumed>) = 4
[pid 9571] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9568] <... futex resumed>) = 0
[pid 9571] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9568] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9568] <... futex resumed>) = 0
[pid 9571] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9568] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9583 attached
<unfinished ...>
[pid 9583] set_robust_list(0x7fe4250f79e0, 24) = 0
[ 243.032388][ T9578] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 243.046620][ T9577] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 243.058832][ T9577] NILFS (loop3): trying rollback from an earlier position
[ 243.068821][ T9578] NILFS (loop5): trying rollback from an earlier position
[pid 9583] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9583] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9570] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9583] <... futex resumed>) = 1
[pid 9570] <... futex resumed>) = 0
[pid 9569] <... futex resumed>) = 0
[pid 9583] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9572] <... write resumed>) = 114688
[pid 9570] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9572] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9570] <... mprotect resumed>) = 0
[pid 9568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... umount2 resumed>) = 0
[pid 9572] <... futex resumed>) = 0
[pid 9572] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9570] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9569] exit_group(0 <unfinished ...>
[ 243.138436][ T9577] NILFS (loop3): recovery complete
[pid 9568] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9583] <... futex resumed>) = ?
[pid 9572] <... futex resumed>) = ?
[pid 9569] <... exit_group resumed>) = ?
[pid 9568] <... futex resumed>) = 0
[pid 9572] +++ exited with 0 +++
[pid 9583] +++ exited with 0 +++
[pid 9570] <... clone resumed>, parent_tid=[9584], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9584
[pid 9569] +++ exited with 0 +++
[pid 9568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9570] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9569, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 9570] <... futex resumed>) = 0
[pid 9568] <... mmap resumed>) = 0x7fe4250d7000
[pid 9570] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9568] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5072] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9568] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9568] <... clone resumed>, parent_tid=[9586], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9586
[pid 5072] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9568] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9568] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9568] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9586 attached
./strace-static-x86_64: Process 9584 attached
<unfinished ...>
[pid 9577] <... mount resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9586] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9584] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9586] <... set_robust_list resumed>) = 0
[pid 9584] <... set_robust_list resumed>) = 0
[pid 9577] <... openat resumed>) = 3
[pid 5072] getdents64(3, <unfinished ...>
[pid 9577] chdir("./file0" <unfinished ...>
[pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9586] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9584] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9577] <... chdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9584] <... mmap resumed>) = 0x20000000
[pid 9577] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] lstat("./184/file0", <unfinished ...>
[pid 9586] <... mmap resumed>) = 0x20000000
[pid 9577] <... ioctl resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9577] close(4 <unfinished ...>
[pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9577] <... close resumed>) = 0
[pid 5072] lstat("./187/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9577] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9577] <... futex resumed>) = 1
[pid 9575] <... futex resumed>) = 0
[pid 5072] unlink("./187/binderfs" <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 9577] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9575] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9575] <... futex resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9584] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9577] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9575] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9586] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9584] <... futex resumed>) = 1
[pid 9570] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9586] <... futex resumed>) = 1
[pid 9568] <... futex resumed>) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9586] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9584] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 243.158921][ T9578] NILFS (loop5): recovery complete
[ 243.173332][ T9585] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] close(4) = 0
[pid 9578] <... mount resumed>) = 0
[pid 9578] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] rmdir("./184/file0" <unfinished ...>
[pid 9578] <... openat resumed>) = 3
[pid 5071] <... rmdir resumed>) = 0
[pid 9578] chdir("./file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9578] <... chdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9578] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9578] <... ioctl resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9578] close(4 <unfinished ...>
[pid 5071] rmdir("./184" <unfinished ...>
[pid 9578] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9578] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9577] <... openat resumed>) = 4
[pid 5071] mkdir("./185", 0777 <unfinished ...>
[pid 9578] <... futex resumed>) = 1
[pid 9577] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9576] <... futex resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9578] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9577] <... futex resumed>) = 1
[pid 9576] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9575] <... futex resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9577] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9576] <... futex resumed>) = 0
[pid 9575] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9578] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9576] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9575] <... futex resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9577] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9575] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] close(3) = 0
[pid 9578] <... openat resumed>) = 4
[ 243.215905][ T9587] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9578] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9576] <... futex resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9588
[pid 9578] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9576] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9576] <... futex resumed>) = 0
[pid 9578] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9576] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9588 attached
<unfinished ...>
[pid 9575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9588] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9575] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9571] <... write resumed>) = 200704
[pid 9588] <... set_robust_list resumed>) = 0
[pid 9575] <... futex resumed>) = 0
[pid 9588] chdir("./185" <unfinished ...>
[pid 9575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9571] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9588] <... chdir resumed>) = 0
[pid 9575] <... mmap resumed>) = 0x7fe4250d7000
[pid 9571] <... futex resumed>) = 0
[pid 9568] exit_group(0 <unfinished ...>
[pid 9588] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9575] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9588] <... prctl resumed>) = 0
[pid 9586] <... futex resumed>) = ?
[pid 9575] <... mprotect resumed>) = 0
[pid 9568] <... exit_group resumed>) = ?
[pid 9588] setpgid(0, 0 <unfinished ...>
[pid 9575] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9588] <... setpgid resumed>) = 0
[pid 9586] +++ exited with 0 +++
[pid 9571] +++ exited with 0 +++
[pid 9568] +++ exited with 0 +++
[pid 9588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9575] <... clone resumed>, parent_tid=[9589], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9589
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9568, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9588] <... openat resumed>) = 3
[pid 9575] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9588] write(3, "1000", 4 <unfinished ...>
[pid 9575] <... futex resumed>) = 0
[pid 9588] <... write resumed>) = 4
[pid 9575] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./187/file0", ./strace-static-x86_64: Process 9589 attached
<unfinished ...>
[pid 9588] close(3 <unfinished ...>
[pid 9589] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9588] <... close resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9589] <... set_robust_list resumed>) = 0
[pid 9588] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9589] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9588] <... symlink resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9589] <... mmap resumed>) = 0x20000000
[pid 9588] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9589] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9588] <... futex resumed>) = 0
[pid 9576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9573] <... write resumed>) = 245760
[pid 5074] <... openat resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9589] <... futex resumed>) = 1
[pid 9588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9576] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9575] <... futex resumed>) = 0
[pid 9573] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9589] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9588] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9576] <... futex resumed>) = 0
[pid 9573] <... futex resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9588] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9573] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9588] <... mprotect resumed>) = 0
[pid 9576] <... mmap resumed>) = 0x7fe4250d7000
[pid 9570] exit_group(0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] getdents64(4, <unfinished ...>
[pid 9588] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9584] <... futex resumed>) = ?
[pid 9576] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9573] <... futex resumed>) = ?
[pid 9570] <... exit_group resumed>) = ?
[pid 5074] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9584] +++ exited with 0 +++
[pid 9576] <... mprotect resumed>) = 0
[pid 9573] +++ exited with 0 +++
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9588] <... clone resumed>, parent_tid=[9590], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9590
[pid 9576] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] lstat("./186/binderfs", <unfinished ...>
[pid 9588] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9570] +++ exited with 0 +++
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9588] <... futex resumed>) = 0
[pid 9576] <... clone resumed>, parent_tid=[9591], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9591
[pid 5074] unlink("./186/binderfs" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9570, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 9588] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9576] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9590 attached
<unfinished ...>
[pid 9576] <... futex resumed>) = 0
[pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9590] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9576] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] rmdir("./187/file0" <unfinished ...>
[pid 9590] <... set_robust_list resumed>) = 0
[pid 5070] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9591 attached
<unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9591] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9591] <... set_robust_list resumed>) = 0
[pid 9590] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9577] <... write resumed>) = 221184
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9591] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9590] <... memfd_create resumed>) = 3
[pid 9577] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9575] exit_group(0 <unfinished ...>
[pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9591] <... mmap resumed>) = 0x20000000
[pid 9589] <... futex resumed>) = ?
[pid 9577] <... futex resumed>) = ?
[pid 9575] <... exit_group resumed>) = ?
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9591] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9589] +++ exited with 0 +++
[pid 9577] +++ exited with 0 +++
[pid 9575] +++ exited with 0 +++
[pid 5074] lstat("./186/file0", <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9591] <... futex resumed>) = 1
[pid 9590] <... mmap resumed>) = 0x7fe424ef8000
[pid 9576] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./187" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9591] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9575, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 5070] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./184/binderfs", <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5070] unlink("./184/binderfs" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] mkdir("./188", 0777 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5074] close(4 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] lstat("./188/binderfs", <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] rmdir("./186/file0" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] unlink("./188/binderfs" <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./186") = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] mkdir("./187", 0777./strace-static-x86_64: Process 9592 attached
) = 0
[pid 9592] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9592
[pid 9592] <... set_robust_list resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9592] chdir("./188" <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9592] <... chdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9592] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9592] <... prctl resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9593
[pid 9592] setpgid(0, 0./strace-static-x86_64: Process 9593 attached
) = 0
[pid 9593] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9593] <... set_robust_list resumed>) = 0
[pid 9592] <... openat resumed>) = 3
[pid 9592] write(3, "1000", 4 <unfinished ...>
[pid 9593] chdir("./187") = 0
[pid 9592] <... write resumed>) = 4
[pid 9593] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9592] close(3 <unfinished ...>
[pid 9578] <... write resumed>) = 319488
[pid 9593] <... prctl resumed>) = 0
[pid 9592] <... close resumed>) = 0
[pid 9578] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9593] setpgid(0, 0 <unfinished ...>
[pid 9592] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9578] <... futex resumed>) = 0
[pid 9593] <... setpgid resumed>) = 0
[pid 9592] <... symlink resumed>) = 0
[pid 9590] <... write resumed>) = 2097152
[pid 9578] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9576] exit_group(0 <unfinished ...>
[pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9592] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9591] <... futex resumed>) = ?
[pid 9590] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9578] <... futex resumed>) = ?
[pid 9576] <... exit_group resumed>) = ?
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9593] <... openat resumed>) = 3
[pid 9592] <... futex resumed>) = 0
[pid 9591] +++ exited with 0 +++
[pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9592] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9593] write(3, "1000", 4 <unfinished ...>
[pid 9592] <... mprotect resumed>) = 0
[pid 9578] +++ exited with 0 +++
[pid 9576] +++ exited with 0 +++
[pid 5073] lstat("./188/file0", <unfinished ...>
[pid 5070] lstat("./184/file0", <unfinished ...>
[pid 9593] <... write resumed>) = 4
[pid 9592] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9594 attached
[pid 9593] close(3 <unfinished ...>
[pid 9590] <... munmap resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9576, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9594] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9593] <... close resumed>) = 0
[pid 9592] <... clone resumed>, parent_tid=[9594], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9594
[pid 9590] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5075] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9594] <... set_robust_list resumed>) = 0
[pid 9593] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9592] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9590] <... openat resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9594] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9593] <... symlink resumed>) = 0
[pid 9590] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9594] <... memfd_create resumed>) = 3
[pid 9593] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9592] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9592] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9593] <... futex resumed>) = 0
[pid 9590] <... ioctl resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... openat resumed>) = 4
[pid 9594] <... mmap resumed>) = 0x7fe424ef8000
[pid 9593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9590] close(3 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 9593] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9590] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9593] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9590] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9593] <... mprotect resumed>) = 0
[pid 9590] <... mkdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9593] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9590] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] lstat("./189/binderfs", <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9595 attached
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9595] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9593] <... clone resumed>, parent_tid=[9595], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9595
[pid 5075] unlink("./189/binderfs" <unfinished ...>
[pid 5073] rmdir("./188/file0" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9595] <... set_robust_list resumed>) = 0
[pid 9594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9593] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5075] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./188") = 0
[pid 5073] mkdir("./189", 0777) = 0
[pid 9595] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9593] <... futex resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9595] <... memfd_create resumed>) = 3
[pid 9593] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9595] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./184/file0" <unfinished ...>
[pid 5073] close(3) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9596
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./184") = 0
[pid 5070] mkdir("./185", 0777./strace-static-x86_64: Process 9596 attached
<unfinished ...>
[pid 9596] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9596] <... set_robust_list resumed>) = 0
[ 243.551002][ T9590] loop1: detected capacity change from 0 to 4096
[ 243.577737][ T9590] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 243.591882][ T9590] NILFS (loop1): trying rollback from an earlier position
[pid 9595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9596] chdir("./189") = 0
[pid 5070] <... openat resumed>) = 3
[pid 9596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9596] setpgid(0, 0 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9596] <... setpgid resumed>) = 0
[pid 9596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9596] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 9596] write(3, "1000", 4) = 4
[pid 5070] <... close resumed>) = 0
[pid 9596] close(3 <unfinished ...>
[pid 9594] <... write resumed>) = 2097152
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9596] <... close resumed>) = 0
[pid 9596] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9596] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9597
[pid 9596] <... futex resumed>) = 0
[pid 9596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9596] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9594] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 9597 attached
[pid 9596] <... mprotect resumed>) = 0
[pid 9597] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9596] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9594] <... munmap resumed>) = 0
[pid 9597] <... set_robust_list resumed>) = 0
[pid 9594] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9597] chdir("./185" <unfinished ...>
[pid 9596] <... clone resumed>, parent_tid=[9598], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9598
[pid 9594] <... openat resumed>) = 4
[pid 9597] <... chdir resumed>) = 0
[pid 9596] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9596] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9598 attached
<unfinished ...>
[pid 9598] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9598] memfd_create("syzkaller", 0) = 3
[pid 9598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9597] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9594] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9597] <... prctl resumed>) = 0
[ 243.665585][ T9590] NILFS (loop1): recovery complete
[pid 9594] <... ioctl resumed>) = 0
[pid 9597] setpgid(0, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9597] <... setpgid resumed>) = 0
[pid 9594] close(3 <unfinished ...>
[pid 5075] lstat("./189/file0", <unfinished ...>
[pid 9597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9594] <... close resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9597] <... openat resumed>) = 3
[pid 9594] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9597] write(3, "1000", 4) = 4
[pid 9594] <... mkdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9597] close(3 <unfinished ...>
[pid 9594] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9597] <... close resumed>) = 0
[pid 9597] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9590] <... mount resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 9597] <... symlink resumed>) = 0
[pid 9590] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 9597] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9590] <... openat resumed>) = 3
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9597] <... futex resumed>) = 0
[pid 9590] chdir("./file0" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9595] <... write resumed>) = 2097152
[pid 9590] <... chdir resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9597] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9590] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[ 243.687438][ T9594] loop2: detected capacity change from 0 to 4096
[ 243.702308][ T9599] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 243.724654][ T9594] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9595] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9597] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9590] <... ioctl resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9597] <... mprotect resumed>) = 0
[pid 9595] <... munmap resumed>) = 0
[pid 9590] close(4 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 9598] <... write resumed>) = 2097152
[pid 9597] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9595] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9590] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9598] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9595] <... openat resumed>) = 4
[pid 9590] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] rmdir("./189/file0" <unfinished ...>
[pid 9598] <... munmap resumed>) = 0
[pid 9597] <... clone resumed>, parent_tid=[9600], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9600
[pid 9595] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9590] <... futex resumed>) = 1
[pid 9588] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 9598] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9597] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9594] <... mount resumed>) = 0
[pid 9590] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9598] <... openat resumed>) = 4
[pid 9597] <... futex resumed>) = 0
[pid 9595] <... ioctl resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9598] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9597] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9595] close(3 <unfinished ...>
[ 243.733265][ T9594] NILFS (loop2): trying rollback from an earlier position
[ 243.757471][ T9594] NILFS (loop2): recovery complete
[ 243.765666][ T9595] loop4: detected capacity change from 0 to 4096
[ 243.766403][ T9601] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] close(3./strace-static-x86_64: Process 9600 attached
<unfinished ...>
[pid 9595] <... close resumed>) = 0
[pid 9594] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9588] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9595] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] rmdir("./189" <unfinished ...>
[pid 9595] <... mkdir resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 9600] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9595] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] mkdir("./190", 0777 <unfinished ...>
[pid 9600] <... set_robust_list resumed>) = 0
[pid 9594] <... openat resumed>) = 3
[pid 9590] <... futex resumed>) = 0
[pid 9588] <... futex resumed>) = 1
[pid 5075] <... mkdir resumed>) = 0
[pid 9600] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9598] <... ioctl resumed>) = 0
[pid 9594] chdir("./file0" <unfinished ...>
[pid 9590] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9588] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9600] <... memfd_create resumed>) = 3
[pid 9598] close(3 <unfinished ...>
[pid 9594] <... chdir resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 9600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9598] <... close resumed>) = 0
[pid 9594] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9590] <... openat resumed>) = 4
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9600] <... mmap resumed>) = 0x7fe424ef8000
[ 243.774395][ T9598] loop3: detected capacity change from 0 to 4096
[pid 9598] mkdir("./file0", 0777 <unfinished ...>
[pid 9594] <... ioctl resumed>) = 0
[pid 9590] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9598] <... mkdir resumed>) = 0
[pid 9594] close(4 <unfinished ...>
[pid 9598] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9594] <... close resumed>) = 0
[pid 9590] <... futex resumed>) = 1
[pid 9588] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9594] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9590] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9588] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9594] <... futex resumed>) = 1
[pid 9592] <... futex resumed>) = 0
[pid 9590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9588] <... futex resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9594] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9592] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9590] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9588] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9592] <... futex resumed>) = 0
[pid 9594] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9592] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9594] <... openat resumed>) = 4
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9602
[pid 9594] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9592] <... futex resumed>) = 0
[pid 9594] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9592] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9592] <... futex resumed>) = 0
[ 243.816976][ T9595] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 243.825193][ T9595] NILFS (loop4): trying rollback from an earlier position
[pid 9594] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9592] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9602 attached
<unfinished ...>
[pid 9602] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9602] chdir("./190") = 0
[pid 9602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9602] setpgid(0, 0) = 0
[pid 9602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9602] write(3, "1000", 4) = 4
[pid 9588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9602] close(3 <unfinished ...>
[pid 9588] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9602] <... close resumed>) = 0
[pid 9588] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9602] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9588] <... mprotect resumed>) = 0
[pid 9602] <... symlink resumed>) = 0
[pid 9588] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9602] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9588] <... clone resumed>, parent_tid=[9603], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9603
[pid 9602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9588] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9602] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9588] <... futex resumed>) = 0
./strace-static-x86_64: Process 9603 attached
[ 243.863849][ T9598] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 243.894580][ T9598] NILFS (loop3): trying rollback from an earlier position
[pid 9588] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9603] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9603] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9602] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9600] <... write resumed>) = 2097152
[pid 9603] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9602] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9603] <... futex resumed>) = 1
[pid 9592] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9588] <... futex resumed>) = 0
[pid 9603] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9600] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9592] <... futex resumed>) = 0
[pid 9600] <... munmap resumed>) = 0
[pid 9592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9600] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9592] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9604 attached
<unfinished ...>
[pid 9602] <... clone resumed>, parent_tid=[9604], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9604
[pid 9600] <... openat resumed>) = 4
[pid 9592] <... mprotect resumed>) = 0
[pid 9604] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9602] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9600] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 243.913596][ T9595] NILFS (loop4): recovery complete
[pid 9592] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9604] <... set_robust_list resumed>) = 0
[pid 9602] <... futex resumed>) = 0
[pid 9604] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9602] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9592] <... clone resumed>, parent_tid=[9605], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9605
[pid 9595] <... mount resumed>) = 0
[pid 9592] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9605 attached
) = 0
[pid 9605] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9592] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9605] <... set_robust_list resumed>) = 0
[pid 9605] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9605] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9592] <... futex resumed>) = 0
[pid 9605] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9604] <... memfd_create resumed>) = 3
[pid 9595] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9590] <... write resumed>) = 139264
[pid 9604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9600] <... ioctl resumed>) = 0
[pid 9598] <... mount resumed>) = 0
[pid 9595] <... openat resumed>) = 3
[pid 9590] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9604] <... mmap resumed>) = 0x7fe424ef8000
[pid 9600] close(3 <unfinished ...>
[pid 9598] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9595] chdir("./file0" <unfinished ...>
[pid 9590] <... futex resumed>) = 0
[pid 9588] exit_group(0 <unfinished ...>
[pid 9603] <... futex resumed>) = ?
[pid 9588] <... exit_group resumed>) = ?
[pid 9603] +++ exited with 0 +++
[pid 9600] <... close resumed>) = 0
[pid 9598] <... openat resumed>) = 3
[pid 9595] <... chdir resumed>) = 0
[pid 9600] mkdir("./file0", 0777 <unfinished ...>
[pid 9598] chdir("./file0" <unfinished ...>
[pid 9595] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9590] +++ exited with 0 +++
[pid 9588] +++ exited with 0 +++
[pid 9600] <... mkdir resumed>) = 0
[pid 9598] <... chdir resumed>) = 0
[pid 9595] <... ioctl resumed>) = 0
[pid 9600] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9598] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9595] close(4 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9588, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9604] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9598] <... ioctl resumed>) = 0
[ 243.940237][ T9600] loop0: detected capacity change from 0 to 4096
[ 243.950112][ T9598] NILFS (loop3): recovery complete
[ 243.957166][ T9606] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 243.970609][ T9607] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9595] <... close resumed>) = 0
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9598] close(4 <unfinished ...>
[pid 9595] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9598] <... close resumed>) = 0
[pid 9595] <... futex resumed>) = 1
[pid 9593] <... futex resumed>) = 0
[pid 9598] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9595] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9593] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9598] <... futex resumed>) = 1
[pid 9595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9593] <... futex resumed>) = 0
[pid 9598] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9595] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9593] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9596] <... futex resumed>) = 0
[pid 9596] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9598] <... futex resumed>) = 0
[pid 9596] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9598] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9595] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 3
[pid 9598] <... openat resumed>) = 4
[pid 9595] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9598] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9595] <... futex resumed>) = 1
[pid 9593] <... futex resumed>) = 0
[pid 9598] <... futex resumed>) = 1
[pid 9595] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9593] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9598] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9593] <... futex resumed>) = 0
[pid 9596] <... futex resumed>) = 0
[pid 9593] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 9596] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9598] <... futex resumed>) = 0
[pid 9596] <... futex resumed>) = 1
[pid 5071] getdents64(3, <unfinished ...>
[pid 9598] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9596] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9604] <... write resumed>) = 2097152
[pid 9604] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9604] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 9604] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 244.017266][ T9600] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 244.029443][ T9600] NILFS (loop0): trying rollback from an earlier position
[pid 5071] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9594] <... write resumed>) = 229376
[pid 9594] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] unlink("./185/binderfs" <unfinished ...>
[pid 9594] <... futex resumed>) = 0
[pid 9594] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9592] exit_group(0 <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9594] <... futex resumed>) = ?
[pid 9592] <... exit_group resumed>) = ?
[pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9605] <... futex resumed>) = ?
[pid 9594] +++ exited with 0 +++
[pid 9605] +++ exited with 0 +++
[pid 9592] +++ exited with 0 +++
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9592, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9604] <... ioctl resumed>) = 0
[pid 9604] close(3) = 0
[pid 9593] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9593] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9593] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9593] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9604] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9593] <... clone resumed>, parent_tid=[9608], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9608
[pid 9604] <... mkdir resumed>) = 0
[pid 9593] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9604] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9596] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9593] <... futex resumed>) = 0
[pid 9596] <... futex resumed>) = 0
[ 244.058819][ T9604] loop5: detected capacity change from 0 to 4096
[pid 9593] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9608 attached
<unfinished ...>
[pid 9596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9608] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9608] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5072] <... openat resumed>) = 3
[pid 9608] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9593] <... futex resumed>) = 0
[pid 9608] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9596] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] fstat(3, <unfinished ...>
[pid 9596] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9596] <... mprotect resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9596] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[ 244.106245][ T9600] NILFS (loop0): recovery complete
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9596] <... clone resumed>, parent_tid=[9609], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9609
[pid 5072] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9596] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9609 attached
<unfinished ...>
[pid 9600] <... mount resumed>) = 0
[pid 9596] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9609] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9609] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9609] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9609] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9596] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./188/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9600] <... openat resumed>) = 3
[pid 9596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9600] chdir("./file0" <unfinished ...>
[pid 5072] unlink("./188/binderfs" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9600] <... chdir resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5071] lstat("./185/file0", <unfinished ...>
[pid 9600] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9600] <... ioctl resumed>) = 0
[pid 9595] <... write resumed>) = 167936
[pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9600] close(4 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9600] <... close resumed>) = 0
[pid 9598] <... write resumed>) = 176128
[pid 9595] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9593] exit_group(0 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9608] <... futex resumed>) = ?
[pid 9600] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9598] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9595] <... futex resumed>) = ?
[pid 9593] <... exit_group resumed>) = ?
[pid 5071] <... openat resumed>) = 4
[pid 9600] <... futex resumed>) = 1
[pid 9596] exit_group(0 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9600] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9596] <... exit_group resumed>) = ?
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9608] +++ exited with 0 +++
[pid 9598] <... futex resumed>) = ?
[pid 9597] <... futex resumed>) = 0
[pid 9595] +++ exited with 0 +++
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9593] +++ exited with 0 +++
[pid 9609] <... futex resumed>) = ?
[pid 5071] getdents64(4, <unfinished ...>
[pid 9598] +++ exited with 0 +++
[pid 9597] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9593, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5071] close(4 <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9609] +++ exited with 0 +++
[pid 9600] <... futex resumed>) = 0
[pid 9597] <... futex resumed>) = 1
[pid 9596] +++ exited with 0 +++
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5071] rmdir("./185/file0" <unfinished ...>
[pid 9600] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9597] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9596, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5071] <... rmdir resumed>) = 0
[pid 9600] <... openat resumed>) = 4
[pid 5071] getdents64(3, <unfinished ...>
[pid 9600] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 244.129053][ T9604] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 244.148135][ T9610] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 244.159609][ T9604] NILFS (loop5): trying rollback from an earlier position
[pid 5074] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9600] <... futex resumed>) = 1
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(3 <unfinished ...>
[pid 9600] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5071] rmdir("./185" <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] mkdir("./186", 0777 <unfinished ...>
[pid 9597] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9597] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 244.208579][ T9604] NILFS (loop5): recovery complete
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9600] <... futex resumed>) = 0
[pid 9597] <... futex resumed>) = 1
[pid 5074] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9600] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9597] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] lstat("./187/binderfs", <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5074] unlink("./187/binderfs" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9612
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9604] <... mount resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9604] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] lstat("./188/file0", <unfinished ...>
[pid 9604] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9604] chdir("./file0" <unfinished ...>
[pid 5073] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9604] <... chdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9612 attached
[pid 9604] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] lstat("./189/binderfs", <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9612] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9604] <... ioctl resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... openat resumed>) = 4
[pid 9612] <... set_robust_list resumed>) = 0
[pid 9604] close(4 <unfinished ...>
[pid 5073] unlink("./189/binderfs" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 9612] chdir("./186" <unfinished ...>
[pid 9604] <... close resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9612] <... chdir resumed>) = 0
[pid 9612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9612] setpgid(0, 0) = 0
[pid 9612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9604] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9612] <... openat resumed>) = 3
[pid 9604] <... futex resumed>) = 1
[pid 9602] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9612] write(3, "1000", 4 <unfinished ...>
[pid 9604] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9602] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9612] <... write resumed>) = 4
[pid 9604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9602] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9612] close(3 <unfinished ...>
[pid 9604] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9602] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 9612] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9612] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] rmdir("./188/file0" <unfinished ...>
[pid 9612] <... symlink resumed>) = 0
[pid 9612] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9612] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9612] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9612] <... mprotect resumed>) = 0
[pid 9612] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./188" <unfinished ...>
[pid 9612] <... clone resumed>, parent_tid=[9613], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9613
[pid 9612] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9612] <... futex resumed>) = 0
[pid 9612] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] mkdir("./189", 0777) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9604] <... openat resumed>) = 4
[pid 5072] <... openat resumed>) = 3
[pid 9604] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9604] <... futex resumed>) = 1
[pid 9602] <... futex resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9604] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9602] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9602] <... futex resumed>) = 0
[ 244.238089][ T9611] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
./strace-static-x86_64: Process 9613 attached
[pid 9604] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9602] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... close resumed>) = 0
[pid 9613] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9613] memfd_create("syzkaller", 0) = 3
[pid 9613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9597] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9597] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9614
[pid 9597] <... mprotect resumed>) = 0
[pid 9597] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9615], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9615
[pid 9597] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9597] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9615 attached
<unfinished ...>
[pid 9615] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9615] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0./strace-static-x86_64: Process 9614 attached
<unfinished ...>
[pid 9614] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9615] <... mmap resumed>) = 0x20000000
[pid 9615] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9614] <... set_robust_list resumed>) = 0
[pid 9615] <... futex resumed>) = 1
[pid 9597] <... futex resumed>) = 0
[pid 9615] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9614] chdir("./189") = 0
[pid 9613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9614] setpgid(0, 0) = 0
[pid 9614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9614] write(3, "1000", 4) = 4
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 9614] close(3 <unfinished ...>
[pid 9602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9614] <... close resumed>) = 0
[pid 9602] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9614] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9602] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9614] <... symlink resumed>) = 0
[pid 9602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] lstat("./187/file0", <unfinished ...>
[pid 5073] lstat("./189/file0", <unfinished ...>
[pid 9614] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9602] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9614] <... futex resumed>) = 0
[pid 9602] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9602] <... mprotect resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9614] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9602] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9614] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... openat resumed>) = 4
[pid 9614] <... mprotect resumed>) = 0
[pid 9602] <... clone resumed>, parent_tid=[9616], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9616
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9614] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9602] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9602] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9614] <... clone resumed>, parent_tid=[9617], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9617
[pid 9602] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9614] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9614] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9617 attached
[pid 9614] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 9617] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9617] memfd_create("syzkaller", 0) = 3
[pid 9617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5074] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 9616 attached
[pid 5074] rmdir("./187/file0" <unfinished ...>
[pid 5073] rmdir("./189/file0" <unfinished ...>
[pid 9616] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9616] <... set_robust_list resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9616] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9616] <... mmap resumed>) = 0x20000000
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9616] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9616] <... futex resumed>) = 1
[pid 5074] rmdir("./187" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9616] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9602] <... futex resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9600] <... write resumed>) = 253952
[pid 5073] rmdir("./189" <unfinished ...>
[pid 9600] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] mkdir("./188", 0777 <unfinished ...>
[pid 9600] <... futex resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9600] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9597] exit_group(0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] mkdir("./190", 0777 <unfinished ...>
[pid 9615] <... futex resumed>) = ?
[pid 9600] <... futex resumed>) = ?
[pid 9597] <... exit_group resumed>) = ?
[pid 5074] <... openat resumed>) = 3
[pid 9615] +++ exited with 0 +++
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9600] +++ exited with 0 +++
[pid 9597] +++ exited with 0 +++
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9613] <... write resumed>) = 2097152
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5074] <... close resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9597, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 9613] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9618
[pid 9613] <... munmap resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9613] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9618 attached
<unfinished ...>
[pid 9613] <... openat resumed>) = 4
[pid 5073] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9618] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9613] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9618] <... set_robust_list resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9618] chdir("./188" <unfinished ...>
[pid 9604] <... write resumed>) = 311296
[pid 5070] fstat(3, <unfinished ...>
[pid 9618] <... chdir resumed>) = 0
[pid 9604] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9618] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9604] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9619
[pid 5070] getdents64(3, <unfinished ...>
[pid 9618] <... prctl resumed>) = 0
[pid 9604] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9602] exit_group(0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9618] setpgid(0, 0 <unfinished ...>
[pid 9616] <... futex resumed>) = ?
[pid 9604] <... futex resumed>) = ?
[pid 9602] <... exit_group resumed>) = ?
[pid 5070] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9618] <... setpgid resumed>) = 0
[pid 9616] +++ exited with 0 +++
[pid 9604] +++ exited with 0 +++
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9619 attached
[pid 9618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9602] +++ exited with 0 +++
[pid 5070] lstat("./185/binderfs", <unfinished ...>
[pid 9619] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9618] <... openat resumed>) = 3
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9602, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9619] <... set_robust_list resumed>) = 0
[pid 9618] write(3, "1000", 4 <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] unlink("./185/binderfs" <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9613] <... ioctl resumed>) = 0
[pid 9613] close(3 <unfinished ...>
[pid 5075] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9613] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9618] <... write resumed>) = 4
[pid 9613] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9618] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9619] chdir("./190" <unfinished ...>
[pid 9618] <... close resumed>) = 0
[pid 9613] <... mkdir resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9619] <... chdir resumed>) = 0
[pid 9618] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9613] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9619] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9618] <... symlink resumed>) = 0
[pid 9617] <... write resumed>) = 2097152
[pid 5075] getdents64(3, <unfinished ...>
[pid 9619] <... prctl resumed>) = 0
[pid 9618] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9617] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9619] setpgid(0, 0 <unfinished ...>
[pid 9618] <... futex resumed>) = 0
[pid 9617] <... munmap resumed>) = 0
[ 244.481612][ T9613] loop1: detected capacity change from 0 to 4096
[pid 5075] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9619] <... setpgid resumed>) = 0
[pid 9618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9617] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9618] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9617] <... openat resumed>) = 4
[pid 5075] lstat("./190/binderfs", <unfinished ...>
[pid 9619] <... openat resumed>) = 3
[pid 9618] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9617] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9619] write(3, "1000", 4 <unfinished ...>
[pid 9618] <... mprotect resumed>) = 0
[pid 5075] unlink("./190/binderfs") = 0
[pid 5075] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9619] <... write resumed>) = 4
[pid 9618] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9617] <... ioctl resumed>) = 0
[pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9619] close(3 <unfinished ...>
[pid 9617] close(3 <unfinished ...>
[pid 9619] <... close resumed>) = 0
[pid 9618] <... clone resumed>, parent_tid=[9620], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9620
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9619] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9618] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9619] <... symlink resumed>) = 0
[pid 9618] <... futex resumed>) = 0
[pid 9619] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9618] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9619] <... futex resumed>) = 0
[pid 9619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9620 attached
) = 0x7fe42d2f8000
[pid 9620] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9619] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9617] <... close resumed>) = 0
[pid 5070] lstat("./185/file0", <unfinished ...>
[pid 9620] <... set_robust_list resumed>) = 0
[pid 9619] <... mprotect resumed>) = 0
[pid 9617] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9620] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9619] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9617] <... mkdir resumed>) = 0
[pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9621 attached
<unfinished ...>
[pid 9620] <... memfd_create resumed>) = 3
[pid 9617] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9621] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9619] <... clone resumed>, parent_tid=[9621], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9621
[pid 5075] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9621] <... set_robust_list resumed>) = 0
[pid 9620] <... mmap resumed>) = 0x7fe424ef8000
[ 244.551557][ T9617] loop2: detected capacity change from 0 to 4096
[ 244.563623][ T9613] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 244.573224][ T9613] NILFS (loop1): trying rollback from an earlier position
[ 244.590273][ T9613] NILFS (loop1): recovery complete
[pid 9619] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9621] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9619] <... futex resumed>) = 0
[pid 5075] lstat("./190/file0", <unfinished ...>
[pid 9621] <... memfd_create resumed>) = 3
[pid 9619] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... openat resumed>) = 4
[pid 9621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 9621] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] getdents64(4, <unfinished ...>
[pid 9620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9613] <... mount resumed>) = 0
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./190/file0") = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9613] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9613] <... openat resumed>) = 3
[pid 5075] close(3 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9613] chdir("./file0" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9613] <... chdir resumed>) = 0
[pid 5075] rmdir("./190" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9613] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[ 244.612612][ T9617] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 244.630802][ T9617] NILFS (loop2): trying rollback from an earlier position
[ 244.640038][ T9622] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] close(4 <unfinished ...>
[pid 9613] <... ioctl resumed>) = 0
[pid 5075] mkdir("./191", 0777) = 0
[pid 9613] close(4 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9613] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9613] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] rmdir("./185/file0" <unfinished ...>
[pid 9613] <... futex resumed>) = 1
[pid 9612] <... futex resumed>) = 0
[pid 9613] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9612] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9623
[pid 5070] <... rmdir resumed>) = 0
[pid 9612] <... futex resumed>) = 0
[pid 9612] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9613] <... openat resumed>) = 4
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9613] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3./strace-static-x86_64: Process 9623 attached
<unfinished ...>
[pid 9613] <... futex resumed>) = 1
[pid 9612] <... futex resumed>) = 0
[pid 9623] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9612] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9623] <... set_robust_list resumed>) = 0
[pid 9613] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9612] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9623] chdir("./191" <unfinished ...>
[pid 9612] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] rmdir("./185" <unfinished ...>
[pid 9623] <... chdir resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[ 244.663567][ T9617] NILFS (loop2): recovery complete
[pid 9623] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] mkdir("./186", 0777 <unfinished ...>
[pid 9623] <... prctl resumed>) = 0
[pid 9623] setpgid(0, 0 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9623] <... setpgid resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9623] write(3, "1000", 4) = 4
[pid 9623] close(3) = 0
[pid 9623] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9623] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9623] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9623] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9617] <... mount resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9617] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9623] <... clone resumed>, parent_tid=[9625], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9625
[pid 9617] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 9623] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9617] chdir("./file0" <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9623] <... futex resumed>) = 0
[pid 9617] <... chdir resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9625 attached
<unfinished ...>
[pid 9623] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9620] <... write resumed>) = 2097152
[pid 9617] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9625] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9617] <... ioctl resumed>) = 0
[pid 9625] <... set_robust_list resumed>) = 0
[pid 9617] close(4 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9626
[pid 9625] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9617] <... close resumed>) = 0
./strace-static-x86_64: Process 9626 attached
[pid 9625] <... memfd_create resumed>) = 3
[pid 9617] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9617] <... futex resumed>) = 1
[pid 9614] <... futex resumed>) = 0
[pid 9626] <... set_robust_list resumed>) = 0
[pid 9625] <... mmap resumed>) = 0x7fe424ef8000
[pid 9617] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9614] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] chdir("./186" <unfinished ...>
[pid 9617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9614] <... futex resumed>) = 0
[pid 9612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9626] <... chdir resumed>) = 0
[pid 9620] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9617] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9614] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9612] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9620] <... munmap resumed>) = 0
[pid 9612] <... futex resumed>) = 0
[pid 9626] <... prctl resumed>) = 0
[pid 9621] <... write resumed>) = 2097152
[pid 9620] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9626] setpgid(0, 0 <unfinished ...>
[pid 9621] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9620] <... openat resumed>) = 4
[pid 9612] <... mmap resumed>) = 0x7fe4250d7000
[pid 9626] <... setpgid resumed>) = 0
[pid 9621] <... munmap resumed>) = 0
[pid 9620] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9617] <... openat resumed>) = 4
[ 244.709229][ T9624] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9612] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9621] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9617] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9612] <... mprotect resumed>) = 0
[pid 9626] <... openat resumed>) = 3
[pid 9621] <... openat resumed>) = 4
[pid 9617] <... futex resumed>) = 1
[pid 9614] <... futex resumed>) = 0
[pid 9612] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9626] write(3, "1000", 4 <unfinished ...>
[pid 9625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9621] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9617] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9614] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] <... write resumed>) = 4
[pid 9617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9614] <... futex resumed>) = 0
[pid 9612] <... clone resumed>, parent_tid=[9627], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9627
./strace-static-x86_64: Process 9627 attached
[pid 9626] close(3 <unfinished ...>
[pid 9617] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9614] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9612] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] <... close resumed>) = 0
[pid 9612] <... futex resumed>) = 0
[pid 9612] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9620] <... ioctl resumed>) = 0
[pid 9626] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9620] close(3 <unfinished ...>
[pid 9626] <... symlink resumed>) = 0
[pid 9626] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9620] <... close resumed>) = 0
[pid 9626] <... futex resumed>) = 0
[pid 9620] mkdir("./file0", 0777 <unfinished ...>
[pid 9626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9620] <... mkdir resumed>) = 0
[pid 9627] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9626] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9620] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9627] <... set_robust_list resumed>) = 0
[pid 9626] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9621] <... ioctl resumed>) = 0
[pid 9627] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9626] <... mprotect resumed>) = 0
[pid 9621] close(3 <unfinished ...>
[pid 9626] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9621] <... close resumed>) = 0
[pid 9627] <... mmap resumed>) = 0x20000000
[pid 9621] mkdir("./file0", 0777 <unfinished ...>
[pid 9627] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] <... clone resumed>, parent_tid=[9628], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9628
[pid 9621] <... mkdir resumed>) = 0
[pid 9626] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9621] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9628 attached
<unfinished ...>
[pid 9627] <... futex resumed>) = 1
[pid 9626] <... futex resumed>) = 0
[pid 9612] <... futex resumed>) = 0
[pid 9628] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9627] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 244.764919][ T9620] loop4: detected capacity change from 0 to 4096
[ 244.785548][ T9621] loop3: detected capacity change from 0 to 4096
[pid 9626] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9628] <... set_robust_list resumed>) = 0
[pid 9614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9628] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9614] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9628] <... memfd_create resumed>) = 3
[pid 9614] <... futex resumed>) = 0
[pid 9628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9628] <... mmap resumed>) = 0x7fe424ef8000
[pid 9614] <... mmap resumed>) = 0x7fe4250d7000
[pid 9613] <... write resumed>) = 299008
[pid 9614] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9614] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9613] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9612] exit_group(0 <unfinished ...>
[pid 9627] <... futex resumed>) = ?
[pid 9613] <... futex resumed>) = ?
[pid 9612] <... exit_group resumed>) = ?
[pid 9627] +++ exited with 0 +++
[pid 9614] <... clone resumed>, parent_tid=[9629], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9629
[pid 9613] +++ exited with 0 +++
[pid 9612] +++ exited with 0 +++
./strace-static-x86_64: Process 9629 attached
[pid 9614] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9629] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9614] <... futex resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9612, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9629] <... set_robust_list resumed>) = 0
[pid 9614] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9629] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9629] <... mmap resumed>) = 0x20000000
[pid 9625] <... write resumed>) = 2097152
[pid 9629] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9614] <... futex resumed>) = 0
[pid 5071] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9629] <... futex resumed>) = 1
[pid 9629] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 9628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[ 244.860474][ T9620] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 244.870936][ T9621] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5071] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./186/binderfs") = 0
[pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9625] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9625] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 9625] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9628] <... write resumed>) = 2097152
[pid 9628] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9625] <... ioctl resumed>) = 0
[pid 9628] <... munmap resumed>) = 0
[pid 9625] close(3 <unfinished ...>
[pid 9628] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9625] <... close resumed>) = 0
[pid 9628] <... openat resumed>) = 4
[pid 9625] mkdir("./file0", 0777 <unfinished ...>
[pid 9617] <... write resumed>) = 385024
[pid 9628] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9625] <... mkdir resumed>) = 0
[ 244.914975][ T9620] NILFS (loop4): trying rollback from an earlier position
[ 244.925265][ T9621] NILFS (loop3): trying rollback from an earlier position
[ 244.951379][ T9625] loop5: detected capacity change from 0 to 4096
[pid 9617] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9628] <... ioctl resumed>) = 0
[pid 9625] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9617] <... futex resumed>) = 0
[pid 9628] close(3) = 0
[pid 9617] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9614] exit_group(0 <unfinished ...>
[pid 9628] mkdir("./file0", 0777 <unfinished ...>
[pid 9629] <... futex resumed>) = ?
[pid 9617] <... futex resumed>) = ?
[pid 9614] <... exit_group resumed>) = ?
[pid 9629] +++ exited with 0 +++
[pid 9628] <... mkdir resumed>) = 0
[pid 9617] +++ exited with 0 +++
[pid 9614] +++ exited with 0 +++
[pid 9628] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9614, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} ---
[pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5072] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = 0
[ 244.978260][ T9628] loop0: detected capacity change from 0 to 4096
[ 244.991853][ T9621] NILFS (loop3): recovery complete
[ 245.007564][ T9625] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 245.012874][ T9620] NILFS (loop4): recovery complete
[pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./186/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./186/file0") = 0
[pid 5072] <... openat resumed>) = 3
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./186") = 0
[pid 5071] mkdir("./187", 0777) = 0
[ 245.021315][ T9625] NILFS (loop5): trying rollback from an earlier position
[ 245.036776][ T9628] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 245.045587][ T9628] NILFS (loop0): trying rollback from an earlier position
[ 245.054213][ T9630] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 245.069733][ T9628] NILFS (loop0): recovery complete
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./189/binderfs") = 0
[pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9621] <... mount resumed>) = 0
[pid 9621] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9621] <... openat resumed>) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9621] chdir("./file0" <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9621] <... chdir resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9621] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9621] <... ioctl resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9621] close(4) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9633
[pid 9621] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9619] <... futex resumed>) = 0
[pid 9621] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9619] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9619] <... futex resumed>) = 0
[pid 9621] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9620] <... mount resumed>) = 0
[pid 9619] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9625] <... mount resumed>) = 0
[pid 9620] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9625] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9621] <... openat resumed>) = 4
[pid 9620] <... openat resumed>) = 3
[pid 9625] <... openat resumed>) = 3
[pid 9621] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9620] chdir("./file0" <unfinished ...>
[pid 9625] chdir("./file0" <unfinished ...>
[pid 9621] <... futex resumed>) = 1
[pid 9620] <... chdir resumed>) = 0
[pid 9619] <... futex resumed>) = 0
[pid 9625] <... chdir resumed>) = 0
[pid 9621] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9620] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9619] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9625] ioctl(4, LOOP_CLR_FD) = 0
[ 245.069791][ T9625] NILFS (loop5): recovery complete
[ 245.075790][ T9631] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 245.102329][ T9632] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9625] close(4 <unfinished ...>
[pid 9628] <... mount resumed>) = 0
[pid 9625] <... close resumed>) = 0
[pid 9621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9620] <... ioctl resumed>) = 0
[pid 9619] <... futex resumed>) = 0
./strace-static-x86_64: Process 9633 attached
[pid 9628] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9625] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9621] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9620] close(4 <unfinished ...>
[pid 9619] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9628] <... openat resumed>) = 3
[pid 9625] <... futex resumed>) = 1
[pid 9623] <... futex resumed>) = 0
[pid 9628] chdir("./file0" <unfinished ...>
[pid 9625] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9623] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9628] <... chdir resumed>) = 0
[pid 9625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9623] <... futex resumed>) = 0
[pid 9628] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9625] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9623] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9628] <... ioctl resumed>) = 0
[pid 9620] <... close resumed>) = 0
[pid 9633] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9628] close(4 <unfinished ...>
[pid 9620] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9633] <... set_robust_list resumed>) = 0
[pid 9628] <... close resumed>) = 0
[pid 9620] <... futex resumed>) = 1
[pid 9618] <... futex resumed>) = 0
[pid 9633] chdir("./187" <unfinished ...>
[pid 9628] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9620] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9618] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9633] <... chdir resumed>) = 0
[pid 9628] <... futex resumed>) = 1
[pid 9626] <... futex resumed>) = 0
[pid 9620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9618] <... futex resumed>) = 0
[pid 9633] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9628] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9626] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9620] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9618] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9633] <... prctl resumed>) = 0
[pid 9628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9626] <... futex resumed>) = 0
[pid 9633] setpgid(0, 0 <unfinished ...>
[pid 9628] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9626] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9633] <... setpgid resumed>) = 0
[pid 9633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9633] write(3, "1000", 4) = 4
[pid 9620] <... openat resumed>) = 4
[pid 9633] close(3 <unfinished ...>
[pid 9620] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9633] <... close resumed>) = 0
[pid 9620] <... futex resumed>) = 1
[pid 9618] <... futex resumed>) = 0
[pid 9633] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9620] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9618] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9633] <... symlink resumed>) = 0
[pid 9625] <... openat resumed>) = 4
[pid 9620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9618] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9633] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9625] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9620] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9618] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9633] <... futex resumed>) = 0
[pid 9625] <... futex resumed>) = 1
[pid 9623] <... futex resumed>) = 0
[pid 9625] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9623] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9623] <... futex resumed>) = 0
[ 245.119103][ T9634] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9625] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9623] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9633] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] lstat("./189/file0", <unfinished ...>
[pid 9633] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9628] <... openat resumed>) = 4
[pid 9619] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9633] <... mprotect resumed>) = 0
[pid 9628] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9619] <... futex resumed>) = 0
[pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9633] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9628] <... futex resumed>) = 1
[pid 9626] <... futex resumed>) = 0
[pid 9619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9628] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9626] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9619] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9635 attached
<unfinished ...>
[pid 9633] <... clone resumed>, parent_tid=[9635], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9635
[pid 9628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9626] <... futex resumed>) = 0
[pid 9619] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9635] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9633] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9628] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9626] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9619] <... mprotect resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9635] <... set_robust_list resumed>) = 0
[pid 9633] <... futex resumed>) = 0
[pid 9619] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9635] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9633] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9618] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9635] <... memfd_create resumed>) = 3
[pid 9619] <... clone resumed>, parent_tid=[9636], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9636
[pid 9618] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9636 attached
[pid 9635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9619] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9636] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9635] <... mmap resumed>) = 0x7fe424ef8000
[pid 9623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9619] <... futex resumed>) = 0
[pid 9618] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9636] <... set_robust_list resumed>) = 0
[pid 9623] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9623] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9623] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9636] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9619] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9618] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 9636] <... mmap resumed>) = 0x20000000
[pid 9623] <... clone resumed>, parent_tid=[9637], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9637
[pid 9618] <... mprotect resumed>) = 0
[pid 9636] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9623] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9618] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9636] <... futex resumed>) = 1
[pid 9626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9623] <... futex resumed>) = 0
[pid 9619] <... futex resumed>) = 0
[pid 9626] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9623] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9637 attached
./strace-static-x86_64: Process 9638 attached
<unfinished ...>
[pid 9636] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9626] <... futex resumed>) = 0
[pid 5072] rmdir("./189/file0" <unfinished ...>
[pid 9638] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9637] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9618] <... clone resumed>, parent_tid=[9638], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9638
[pid 9638] <... set_robust_list resumed>) = 0
[pid 9637] <... set_robust_list resumed>) = 0
[pid 9626] <... mmap resumed>) = 0x7fe4250d7000
[pid 9618] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9638] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9637] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9626] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9618] <... futex resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9638] <... mmap resumed>) = 0x20000000
[pid 9637] <... mmap resumed>) = 0x20000000
[pid 9626] <... mprotect resumed>) = 0
[pid 9618] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9637] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9626] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9637] <... futex resumed>) = 1
[pid 9623] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9638] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9637] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9626] <... clone resumed>, parent_tid=[9639], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9639
[pid 5072] close(3 <unfinished ...>
[pid 9638] <... futex resumed>) = 1
[pid 9626] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9618] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
./strace-static-x86_64: Process 9639 attached
[pid 9638] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9635] <... write resumed>) = 2097152
[pid 9626] <... futex resumed>) = 0
[pid 5072] rmdir("./189" <unfinished ...>
[pid 9635] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9626] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9639] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9635] <... munmap resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9639] <... set_robust_list resumed>) = 0
[pid 9635] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] mkdir("./190", 0777 <unfinished ...>
[pid 9639] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9635] <... openat resumed>) = 4
[pid 9639] <... mmap resumed>) = 0x20000000
[pid 5072] <... mkdir resumed>) = 0
[pid 9639] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9635] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9639] <... futex resumed>) = 1
[pid 9626] <... futex resumed>) = 0
[pid 9639] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9635] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 9640 attached
[pid 9635] close(3 <unfinished ...>
[pid 9625] <... write resumed>) = 192512
[pid 9640] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9635] <... close resumed>) = 0
[pid 9625] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9623] exit_group(0 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9640
[pid 9640] <... set_robust_list resumed>) = 0
[pid 9637] <... futex resumed>) = ?
[ 245.353326][ T9635] loop1: detected capacity change from 0 to 4096
[pid 9635] mkdir("./file0", 0777 <unfinished ...>
[pid 9625] <... futex resumed>) = ?
[pid 9623] <... exit_group resumed>) = ?
[pid 9640] chdir("./190" <unfinished ...>
[pid 9637] +++ exited with 0 +++
[pid 9635] <... mkdir resumed>) = 0
[pid 9628] <... write resumed>) = 208896
[pid 9625] +++ exited with 0 +++
[pid 9623] +++ exited with 0 +++
[pid 9640] <... chdir resumed>) = 0
[pid 9635] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9628] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9640] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9628] <... futex resumed>) = 0
[pid 9626] exit_group(0 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9623, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 9640] <... prctl resumed>) = 0
[pid 9639] <... futex resumed>) = ?
[pid 9626] <... exit_group resumed>) = ?
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9640] setpgid(0, 0 <unfinished ...>
[pid 9639] +++ exited with 0 +++
[pid 9628] +++ exited with 0 +++
[pid 9626] +++ exited with 0 +++
[pid 5075] <... restart_syscall resumed>) = 0
[pid 9640] <... setpgid resumed>) = 0
[pid 9621] <... write resumed>) = 380928
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9626, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 9640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9621] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9621] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9640] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9621] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9620] <... write resumed>) = 516096
[pid 9619] exit_group(0 <unfinished ...>
[pid 5075] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(3, <unfinished ...>
[pid 9640] write(3, "1000", 4 <unfinished ...>
[pid 5075] lstat("./191/binderfs", <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9636] <... futex resumed>) = ?
[pid 9621] <... futex resumed>) = ?
[pid 9620] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9619] <... exit_group resumed>) = ?
[pid 9640] <... write resumed>) = 4
[pid 9636] +++ exited with 0 +++
[pid 9621] +++ exited with 0 +++
[pid 9620] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] unlink("./191/binderfs" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9640] close(3 <unfinished ...>
[pid 9620] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9619] +++ exited with 0 +++
[pid 9618] exit_group(0 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5070] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9640] <... close resumed>) = 0
[ 245.451394][ T9635] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 245.468309][ T9635] NILFS (loop1): trying rollback from an earlier position
[pid 9638] <... futex resumed>) = ?
[pid 9620] <... futex resumed>) = ?
[pid 9618] <... exit_group resumed>) = ?
[pid 5075] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9640] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9638] +++ exited with 0 +++
[pid 9620] +++ exited with 0 +++
[pid 9618] +++ exited with 0 +++
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9619, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 9640] <... symlink resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9618, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] lstat("./186/binderfs", <unfinished ...>
[pid 9640] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9640] <... futex resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] unlink("./186/binderfs" <unfinished ...>
[pid 9640] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9640] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9640] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9641], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9641
[pid 9640] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9640] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9641 attached
<unfinished ...>
[pid 9641] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9641] memfd_create("syzkaller", 0) = 3
[pid 9641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5070] <... unlink resumed>) = 0
[pid 5074] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./188/binderfs", <unfinished ...>
[pid 5073] lstat("./190/binderfs", <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./188/binderfs" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5073] unlink("./190/binderfs" <unfinished ...>
[pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[ 245.491742][ T9635] NILFS (loop1): recovery complete
[pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9635] <... mount resumed>) = 0
[pid 9635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9635] chdir("./file0") = 0
[pid 9635] ioctl(4, LOOP_CLR_FD) = 0
[pid 9635] close(4) = 0
[pid 9635] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9633] <... futex resumed>) = 0
[pid 9633] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9633] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9635] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./186/file0", <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5075] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./191/file0", <unfinished ...>
[pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[ 245.524777][ T9642] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9635] <... openat resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9635] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] lstat("./190/file0", <unfinished ...>
[pid 9635] <... futex resumed>) = 1
[pid 9633] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9641] <... write resumed>) = 2097152
[pid 9635] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9633] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9633] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] close(4) = 0
[pid 5070] rmdir("./186/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./186" <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] mkdir("./187", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9643
./strace-static-x86_64: Process 9643 attached
[pid 9643] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9643] chdir("./187") = 0
[pid 9643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9643] setpgid(0, 0) = 0
[pid 9643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] lstat("./188/file0", <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9643] <... openat resumed>) = 3
[pid 9643] write(3, "1000", 4) = 4
[pid 5073] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9643] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9643] <... close resumed>) = 0
[pid 9643] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 9643] <... symlink resumed>) = 0
[pid 5075] rmdir("./191/file0" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9643] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9643] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9643] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] close(4 <unfinished ...>
[pid 9643] <... mprotect resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9643] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] rmdir("./190/file0" <unfinished ...>
[pid 5075] rmdir("./191" <unfinished ...>
[pid 5074] close(4./strace-static-x86_64: Process 9644 attached
<unfinished ...>
[pid 9643] <... clone resumed>, parent_tid=[9644], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9644
[pid 5073] <... rmdir resumed>) = 0
[pid 9643] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9643] <... futex resumed>) = 0
[pid 5075] mkdir("./192", 0777 <unfinished ...>
[pid 5074] rmdir("./188/file0" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9643] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9644] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... close resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5073] rmdir("./190" <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9644] <... set_robust_list resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5074] rmdir("./188" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] mkdir("./191", 0777 <unfinished ...>
[pid 9644] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9644] <... memfd_create resumed>) = 3
[pid 9641] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] mkdir("./189", 0777 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9641] <... munmap resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9645
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 9645 attached
<unfinished ...>
[pid 9641] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9645] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5074] <... openat resumed>) = 3
[pid 9641] <... openat resumed>) = 4
[pid 9641] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9645] <... set_robust_list resumed>) = 0
[pid 9645] chdir("./192") = 0
[pid 9645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9645] setpgid(0, 0) = 0
[pid 9645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9645] write(3, "1000", 4) = 4
[pid 9645] close(3) = 0
[pid 9645] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9645] <... symlink resumed>) = 0
[pid 9641] <... ioctl resumed>) = 0
[pid 9633] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9633] <... futex resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9645] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9645] <... futex resumed>) = 0
[pid 9633] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] <... close resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9641] close(3 <unfinished ...>
[pid 9633] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9645] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9641] <... close resumed>) = 0
[pid 9633] <... mprotect resumed>) = 0
[pid 9645] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9633] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9645] <... mprotect resumed>) = 0
[pid 9641] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9645] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9633] <... clone resumed>, parent_tid=[9647], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9647
[pid 9633] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9645] <... clone resumed>, parent_tid=[9648], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9648
[pid 9633] <... futex resumed>) = 0
[pid 9645] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9641] <... mkdir resumed>) = 0
[pid 9633] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9645] <... futex resumed>) = 0
[pid 9645] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9646
./strace-static-x86_64: Process 9647 attached
./strace-static-x86_64: Process 9646 attached
[pid 9641] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9649
[pid 9647] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 9648 attached
<unfinished ...>
[pid 9647] <... set_robust_list resumed>) = 0
[pid 9648] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9647] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9648] <... set_robust_list resumed>) = 0
[pid 9647] <... mmap resumed>) = 0x20000000
[pid 9648] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9647] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9648] <... memfd_create resumed>) = 3
[pid 9647] <... futex resumed>) = 1
[pid 9633] <... futex resumed>) = 0
[pid 9648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9647] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9648] <... mmap resumed>) = 0x7fe424ef8000
./strace-static-x86_64: Process 9649 attached
[ 245.669687][ T9641] loop2: detected capacity change from 0 to 4096
[pid 9646] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9649] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9646] <... set_robust_list resumed>) = 0
[pid 9646] chdir("./189" <unfinished ...>
[pid 9649] <... set_robust_list resumed>) = 0
[pid 9646] <... chdir resumed>) = 0
[pid 9646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9649] chdir("./191") = 0
[pid 9646] setpgid(0, 0) = 0
[pid 9649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9649] setpgid(0, 0 <unfinished ...>
[pid 9646] <... openat resumed>) = 3
[pid 9649] <... setpgid resumed>) = 0
[pid 9646] write(3, "1000", 4 <unfinished ...>
[pid 9649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9646] <... write resumed>) = 4
[pid 9646] close(3 <unfinished ...>
[pid 9649] <... openat resumed>) = 3
[pid 9646] <... close resumed>) = 0
[pid 9649] write(3, "1000", 4 <unfinished ...>
[pid 9646] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9649] <... write resumed>) = 4
[pid 9648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9646] <... symlink resumed>) = 0
[pid 9649] close(3 <unfinished ...>
[pid 9646] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9649] <... close resumed>) = 0
[pid 9646] <... futex resumed>) = 0
[pid 9644] <... write resumed>) = 2097152
[pid 9649] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9649] <... symlink resumed>) = 0
[pid 9646] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9635] <... write resumed>) = 212992
[pid 9649] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9646] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9635] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9649] <... futex resumed>) = 0
[pid 9646] <... mprotect resumed>) = 0
[pid 9635] <... futex resumed>) = 0
[pid 9649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9646] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9633] exit_group(0 <unfinished ...>
[pid 9647] <... futex resumed>) = ?
[pid 9635] +++ exited with 0 +++
[pid 9633] <... exit_group resumed>) = ?
[pid 9649] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9647] +++ exited with 0 +++
[pid 9633] +++ exited with 0 +++
[ 245.721737][ T9641] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 245.746583][ T9641] NILFS (loop2): trying rollback from an earlier position
[pid 9649] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9646] <... clone resumed>, parent_tid=[9650], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9650
[pid 9649] <... mprotect resumed>) = 0
[pid 9646] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9633, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
./strace-static-x86_64: Process 9650 attached
[pid 9649] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9646] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9651 attached
<unfinished ...>
[pid 9650] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9649] <... clone resumed>, parent_tid=[9651], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9651
[pid 9644] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9651] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9650] <... set_robust_list resumed>) = 0
[pid 9649] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] <... munmap resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9651] <... set_robust_list resumed>) = 0
[pid 9650] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9649] <... futex resumed>) = 0
[ 245.783457][ T9641] NILFS (loop2): recovery complete
[pid 9644] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9651] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9650] <... memfd_create resumed>) = 3
[pid 9649] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9641] <... mount resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9651] <... memfd_create resumed>) = 3
[pid 9650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9650] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] getdents64(3, <unfinished ...>
[pid 9651] <... mmap resumed>) = 0x7fe424ef8000
[pid 9648] <... write resumed>) = 2097152
[pid 9644] <... openat resumed>) = 4
[pid 9641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9648] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9644] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9641] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9648] <... munmap resumed>) = 0
[pid 9641] chdir("./file0" <unfinished ...>
[pid 5071] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9648] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9644] <... ioctl resumed>) = 0
[pid 9641] <... chdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9648] <... openat resumed>) = 4
[pid 9644] close(3 <unfinished ...>
[pid 9641] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] lstat("./187/binderfs", <unfinished ...>
[pid 9648] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9644] <... close resumed>) = 0
[pid 9641] <... ioctl resumed>) = 0
[pid 9650] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9644] mkdir("./file0", 0777 <unfinished ...>
[pid 9641] close(4 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9644] <... mkdir resumed>) = 0
[pid 9641] <... close resumed>) = 0
[pid 5071] unlink("./187/binderfs" <unfinished ...>
[pid 9644] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9641] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9640] <... futex resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9650] <... write resumed>) = 2097152
[pid 9648] <... ioctl resumed>) = 0
[pid 9641] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9640] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9640] <... futex resumed>) = 0
[pid 9641] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9640] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9641] <... openat resumed>) = 4
[pid 9641] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9640] <... futex resumed>) = 0
[pid 9648] close(3 <unfinished ...>
[pid 9641] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9640] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9648] <... close resumed>) = 0
[pid 9641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9640] <... futex resumed>) = 0
[pid 9650] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[ 245.816110][ T9652] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 245.834632][ T9644] loop0: detected capacity change from 0 to 4096
[ 245.845683][ T9648] loop5: detected capacity change from 0 to 4096
[pid 9648] mkdir("./file0", 0777 <unfinished ...>
[pid 9641] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9640] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9651] <... write resumed>) = 2097152
[pid 9650] <... munmap resumed>) = 0
[pid 9648] <... mkdir resumed>) = 0
[pid 9650] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9648] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9650] <... openat resumed>) = 4
[pid 9651] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9650] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 9651] <... munmap resumed>) = 0
[pid 9651] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 9651] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9650] close(3) = 0
[pid 9650] mkdir("./file0", 0777) = 0
[pid 9640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9640] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9640] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9640] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9650] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9640] <... clone resumed>, parent_tid=[9653], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9653
[pid 9640] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9640] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9653 attached
<unfinished ...>
[pid 9653] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9653] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9653] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9640] <... futex resumed>) = 0
[pid 9653] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9651] <... ioctl resumed>) = 0
[ 245.911653][ T9644] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 245.916491][ T9648] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 245.929224][ T9650] loop4: detected capacity change from 0 to 4096
[ 245.941394][ T9651] loop3: detected capacity change from 0 to 4096
[ 245.952986][ T9648] NILFS (loop5): trying rollback from an earlier position
[pid 9651] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9651] <... close resumed>) = 0
[pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9651] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9651] <... mkdir resumed>) = 0
[pid 5071] lstat("./187/file0", <unfinished ...>
[pid 9651] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9641] <... write resumed>) = 192512
[pid 9641] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9640] exit_group(0 <unfinished ...>
[pid 9653] <... futex resumed>) = ?
[pid 9640] <... exit_group resumed>) = ?
[pid 9653] +++ exited with 0 +++
[pid 9641] +++ exited with 0 +++
[pid 9640] +++ exited with 0 +++
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9640, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 245.985691][ T9644] NILFS (loop0): trying rollback from an earlier position
[ 245.992778][ T9650] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 246.002614][ T9650] NILFS (loop4): trying rollback from an earlier position
[ 246.017752][ T9648] NILFS (loop5): recovery complete
[ 246.021787][ T9651] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./190/binderfs") = 0
[pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 9650] <... mount resumed>) = 0
[pid 9648] <... mount resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9648] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9648] chdir("./file0") = 0
[pid 9648] ioctl(4, LOOP_CLR_FD) = 0
[pid 9648] close(4) = 0
[pid 9648] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9645] <... futex resumed>) = 0
[pid 9648] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9645] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9645] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9650] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9650] chdir("./file0") = 0
[pid 9650] ioctl(4, LOOP_CLR_FD) = 0
[pid 9650] close(4) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9650] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9650] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9646] <... futex resumed>) = 0
[ 246.042021][ T9654] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.048150][ T9650] NILFS (loop4): recovery complete
[ 246.056783][ T9651] NILFS (loop3): trying rollback from an earlier position
[ 246.068256][ T9644] NILFS (loop0): recovery complete
[ 246.073229][ T9655] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] <... close resumed>) = 0
[pid 9646] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./187/file0" <unfinished ...>
[pid 9648] <... openat resumed>) = 4
[pid 9646] <... futex resumed>) = 1
[pid 5071] <... rmdir resumed>) = 0
[pid 9648] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] <... mount resumed>) = 0
[pid 9648] <... futex resumed>) = 1
[pid 9645] <... futex resumed>) = 0
[pid 9644] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9648] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9645] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9644] <... openat resumed>) = 3
[pid 9645] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9644] chdir("./file0" <unfinished ...>
[pid 9650] <... futex resumed>) = 0
[pid 9644] <... chdir resumed>) = 0
[pid 9650] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9644] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9646] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9644] <... ioctl resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9644] close(4) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9650] <... openat resumed>) = 4
[pid 9644] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9650] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] <... futex resumed>) = 1
[pid 9643] <... futex resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9650] <... futex resumed>) = 1
[pid 9646] <... futex resumed>) = 0
[pid 9644] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9643] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9650] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9646] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9643] <... futex resumed>) = 0
[pid 5071] rmdir("./187" <unfinished ...>
[pid 9646] <... futex resumed>) = 0
[pid 9644] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9643] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9646] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9644] <... openat resumed>) = 4
[pid 5071] mkdir("./188", 0777 <unfinished ...>
[pid 9644] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9643] <... futex resumed>) = 0
[pid 9644] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9643] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 246.092006][ T9656] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.110122][ T9651] NILFS (loop3): recovery complete
[pid 9643] <... futex resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9644] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9643] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9645] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9645] <... futex resumed>) = 0
[pid 9645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9645] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9645] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9658], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9658
[pid 5071] <... openat resumed>) = 3
[pid 9645] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9651] <... mount resumed>) = 0
[pid 9645] <... futex resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 9658 attached
[pid 9651] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9645] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9658] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9651] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 9658] <... set_robust_list resumed>) = 0
[pid 9651] chdir("./file0" <unfinished ...>
[pid 9658] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9651] <... chdir resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9651] ioctl(4, LOOP_CLR_FD) = 0
[pid 9651] close(4 <unfinished ...>
[pid 9658] <... mmap resumed>) = 0x20000000
[pid 9651] <... close resumed>) = 0
[pid 9651] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9651] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9649] <... futex resumed>) = 0
[pid 9646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9649] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9646] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9659
[pid 9658] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9651] <... futex resumed>) = 0
[pid 9649] <... futex resumed>) = 1
[pid 9646] <... futex resumed>) = 0
[pid 9658] <... futex resumed>) = 1
[pid 9651] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9649] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9645] <... futex resumed>) = 0
[pid 9658] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9646] <... mmap resumed>) = 0x7fe4250d7000
[pid 9646] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
./strace-static-x86_64: Process 9659 attached
[pid 9646] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9659] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9646] <... clone resumed>, parent_tid=[9660], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9660
[pid 9646] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... set_robust_list resumed>) = 0
[pid 9646] <... futex resumed>) = 0
[pid 9646] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9659] chdir("./188" <unfinished ...>
[pid 9651] <... openat resumed>) = 4
[ 246.149088][ T9657] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 9660 attached
[pid 9651] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9643] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... chdir resumed>) = 0
[pid 9651] <... futex resumed>) = 1
[pid 9649] <... futex resumed>) = 0
[pid 9643] <... futex resumed>) = 0
[pid 9659] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9651] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9649] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9660] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9659] <... prctl resumed>) = 0
[pid 9651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9649] <... futex resumed>) = 0
[pid 9643] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9660] <... set_robust_list resumed>) = 0
[pid 9659] setpgid(0, 0 <unfinished ...>
[pid 9651] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9649] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9643] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9660] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9659] <... setpgid resumed>) = 0
[pid 9643] <... mprotect resumed>) = 0
[pid 5072] lstat("./190/file0", <unfinished ...>
[pid 9660] <... mmap resumed>) = 0x20000000
[pid 9659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9648] <... write resumed>) = 126976
[pid 9643] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9660] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... openat resumed>) = 3
[pid 9648] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9660] <... futex resumed>) = 1
[pid 9659] write(3, "1000", 4 <unfinished ...>
[pid 9648] <... futex resumed>) = 0
[pid 9646] <... futex resumed>) = 0
[pid 9645] exit_group(0 <unfinished ...>
[pid 9643] <... clone resumed>, parent_tid=[9661], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9661
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9660] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9659] <... write resumed>) = 4
[pid 9658] <... futex resumed>) = ?
[pid 9645] <... exit_group resumed>) = ?
[pid 9643] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9661 attached
<unfinished ...>
[pid 9659] close(3 <unfinished ...>
[pid 9648] +++ exited with 0 +++
[pid 9643] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 9661] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9643] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 9661] <... set_robust_list resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9661] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9658] +++ exited with 0 +++
[pid 9645] +++ exited with 0 +++
[pid 9659] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9661] <... mmap resumed>) = 0x20000000
[pid 9659] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9645, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9661] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... symlink resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9661] <... futex resumed>) = 1
[pid 9659] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9643] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9661] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9659] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9659] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] rmdir("./190/file0" <unfinished ...>
[pid 9659] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9659] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] getdents64(3, <unfinished ...>
[pid 9659] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3) = 0
[pid 5072] rmdir("./190" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./191", 0777 <unfinished ...>
[pid 9659] <... clone resumed>, parent_tid=[9662], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9662
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... mkdir resumed>) = 0
[pid 9659] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9659] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... openat resumed>) = 3
./strace-static-x86_64: Process 9662 attached
[pid 9659] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9662] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9662] <... set_robust_list resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] close(3 <unfinished ...>
[pid 9662] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9662] <... memfd_create resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] lstat("./192/binderfs", <unfinished ...>
[pid 9662] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9663
[pid 9649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] unlink("./192/binderfs" <unfinished ...>
[pid 9649] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
./strace-static-x86_64: Process 9663 attached
[pid 9649] <... futex resumed>) = 0
[pid 5075] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9663] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9663] <... set_robust_list resumed>) = 0
[pid 9649] <... mmap resumed>) = 0x7fe4250d7000
[pid 9663] chdir("./191" <unfinished ...>
[pid 9649] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9663] <... chdir resumed>) = 0
[pid 9649] <... mprotect resumed>) = 0
[pid 9663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9649] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9663] setpgid(0, 0) = 0
[pid 9649] <... clone resumed>, parent_tid=[9664], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9664
[pid 9663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9649] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9663] <... openat resumed>) = 3
[pid 9649] <... futex resumed>) = 0
[pid 9663] write(3, "1000", 4 <unfinished ...>
[pid 9650] <... write resumed>) = 151552
[pid 9649] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9663] <... write resumed>) = 4
[pid 9650] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9646] exit_group(0./strace-static-x86_64: Process 9664 attached
<unfinished ...>
[pid 9663] close(3 <unfinished ...>
[pid 9660] <... futex resumed>) = ?
[pid 9650] <... futex resumed>) = ?
[pid 9646] <... exit_group resumed>) = ?
[pid 9664] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9663] <... close resumed>) = 0
[pid 9660] +++ exited with 0 +++
[pid 9650] +++ exited with 0 +++
[pid 9663] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9664] <... set_robust_list resumed>) = 0
[pid 9663] <... symlink resumed>) = 0
[pid 9646] +++ exited with 0 +++
[pid 9664] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9663] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9646, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9664] <... mmap resumed>) = 0x20000000
[pid 9663] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9664] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9663] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9664] <... futex resumed>) = 1
[pid 9663] <... mprotect resumed>) = 0
[pid 9662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9649] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9664] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9663] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9644] <... write resumed>) = 208896
[pid 5074] <... openat resumed>) = 3
[pid 9644] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9663] <... clone resumed>, parent_tid=[9665], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9665
[pid 9644] <... futex resumed>) = 0
[pid 9663] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9644] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9665 attached
[pid 9663] <... futex resumed>) = 0
[pid 9643] exit_group(0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9665] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9663] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9661] <... futex resumed>) = ?
[pid 9644] <... futex resumed>) = ?
[pid 9643] <... exit_group resumed>) = ?
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9665] <... set_robust_list resumed>) = 0
[pid 9661] +++ exited with 0 +++
[pid 9644] +++ exited with 0 +++
[pid 9643] +++ exited with 0 +++
[pid 5074] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9665] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9643, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9665] <... memfd_create resumed>) = 3
[pid 5074] lstat("./189/binderfs", <unfinished ...>
[pid 9665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9665] <... mmap resumed>) = 0x7fe424ef8000
[pid 9651] <... write resumed>) = 188416
[pid 5074] unlink("./189/binderfs" <unfinished ...>
[pid 9651] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9649] exit_group(0 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9664] <... futex resumed>) = ?
[pid 9651] <... futex resumed>) = ?
[pid 9649] <... exit_group resumed>) = ?
[pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9664] +++ exited with 0 +++
[pid 9651] +++ exited with 0 +++
[pid 9649] +++ exited with 0 +++
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9649, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5075] <... umount2 resumed>) = 0
[pid 9665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./192/file0", <unfinished ...>
[pid 5073] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9662] <... write resumed>) = 2097152
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 3
[pid 5070] <... openat resumed>) = 3
[pid 5075] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] lstat("./191/binderfs", <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... close resumed>) = 0
[pid 5073] unlink("./191/binderfs" <unfinished ...>
[pid 5070] lstat("./187/binderfs", <unfinished ...>
[pid 5075] rmdir("./192/file0" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] unlink("./187/binderfs" <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9662] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] close(3) = 0
[pid 5075] rmdir("./192" <unfinished ...>
[pid 9662] <... munmap resumed>) = 0
[pid 9662] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid 9662] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] mkdir("./193", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./189/file0", <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9666
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, ./strace-static-x86_64: Process 9666 attached
0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9666] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9666] <... set_robust_list resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9666] chdir("./193" <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 9666] <... chdir resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9666] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] rmdir("./189/file0" <unfinished ...>
[pid 9666] <... prctl resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9666] setpgid(0, 0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9666] <... setpgid resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9666] <... openat resumed>) = 3
[pid 9662] <... ioctl resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9666] write(3, "1000", 4 <unfinished ...>
[pid 9662] close(3 <unfinished ...>
[pid 5074] rmdir("./189" <unfinished ...>
[pid 9666] <... write resumed>) = 4
[pid 9662] <... close resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9666] close(3 <unfinished ...>
[pid 9662] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] mkdir("./190", 0777 <unfinished ...>
[pid 9666] <... close resumed>) = 0
[pid 9662] <... mkdir resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9666] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9662] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9666] <... symlink resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9666] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9666] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9666] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] <... close resumed>) = 0
[pid 9666] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9666] <... mprotect resumed>) = 0
[pid 9666] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9667
[pid 9666] <... clone resumed>, parent_tid=[9668], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9668
[pid 9666] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9666] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9667 attached
./strace-static-x86_64: Process 9668 attached
<unfinished ...>
[ 246.442791][ T9662] loop1: detected capacity change from 0 to 4096
[pid 9667] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9668] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9667] <... set_robust_list resumed>) = 0
[pid 9668] <... set_robust_list resumed>) = 0
[pid 9667] chdir("./190" <unfinished ...>
[pid 9665] <... write resumed>) = 2097152
[pid 9665] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9668] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9667] <... chdir resumed>) = 0
[pid 9665] <... munmap resumed>) = 0
[pid 9668] <... memfd_create resumed>) = 3
[pid 9667] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9667] <... prctl resumed>) = 0
[pid 9665] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9668] <... mmap resumed>) = 0x7fe424ef8000
[pid 9667] setpgid(0, 0 <unfinished ...>
[pid 9665] <... openat resumed>) = 4
[pid 9667] <... setpgid resumed>) = 0
[pid 9665] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9667] <... openat resumed>) = 3
[pid 9667] write(3, "1000", 4) = 4
[pid 9667] close(3) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 9667] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9665] <... ioctl resumed>) = 0
[pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9667] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[ 246.502429][ T9662] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 246.538476][ T9665] loop2: detected capacity change from 0 to 4096
[pid 9667] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9667] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9667] <... clone resumed>, parent_tid=[9669], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9669
[pid 9665] close(3 <unfinished ...>
[pid 5073] lstat("./191/file0", <unfinished ...>
[pid 9667] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9665] <... close resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9667] <... futex resumed>) = 0
[pid 9665] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9667] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9665] <... mkdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9669 attached
[pid 9665] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] lstat("./187/file0", <unfinished ...>
[pid 9669] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9669] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9669] <... memfd_create resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[ 246.546111][ T9662] NILFS (loop1): trying rollback from an earlier position
[pid 5070] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9669] <... mmap resumed>) = 0x7fe424ef8000
[pid 9668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... openat resumed>) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./187/file0") = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] rmdir("./187" <unfinished ...>
[pid 5073] rmdir("./191/file0" <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] mkdir("./188", 0777 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9670
./strace-static-x86_64: Process 9670 attached
[pid 9670] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9670] chdir("./188") = 0
[pid 9670] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9670] <... prctl resumed>) = 0
[ 246.577552][ T9665] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 246.585614][ T9665] NILFS (loop2): trying rollback from an earlier position
[ 246.600830][ T9662] NILFS (loop1): recovery complete
[pid 9670] setpgid(0, 0) = 0
[pid 9670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9670] write(3, "1000", 4) = 4
[pid 9670] close(3) = 0
[pid 9670] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9670] <... symlink resumed>) = 0
[pid 9670] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9670] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9662] <... mount resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9670] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9662] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] rmdir("./191" <unfinished ...>
[pid 9670] <... mprotect resumed>) = 0
[pid 9662] <... openat resumed>) = 3
[pid 9670] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9662] chdir("./file0" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9662] <... chdir resumed>) = 0
[pid 9670] <... clone resumed>, parent_tid=[9672], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9672
[pid 9670] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9670] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9662] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] mkdir("./192", 0777) = 0
./strace-static-x86_64: Process 9672 attached
[pid 9662] <... ioctl resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9672] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9662] close(4 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9672] <... set_robust_list resumed>) = 0
[pid 9662] <... close resumed>) = 0
[pid 9668] <... write resumed>) = 2097152
[pid 9668] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9672] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9662] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9672] <... memfd_create resumed>) = 3
[pid 9662] <... futex resumed>) = 1
[pid 9659] <... futex resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9662] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9659] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9672] <... mmap resumed>) = 0x7fe424ef8000
[pid 9668] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9659] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9668] <... openat resumed>) = 4
[ 246.625207][ T9671] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.651371][ T9665] NILFS (loop2): recovery complete
[pid 9668] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9662] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9659] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9662] <... openat resumed>) = 4
[pid 9662] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9665] <... mount resumed>) = 0
[pid 9662] <... futex resumed>) = 1
[pid 9659] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9674
[pid 9665] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9662] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9659] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9665] <... openat resumed>) = 3
[pid 9662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9659] <... futex resumed>) = 0
[pid 9665] chdir("./file0" <unfinished ...>
[pid 9662] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9659] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9665] <... chdir resumed>) = 0
[pid 9665] ioctl(4, LOOP_CLR_FD) = 0
[pid 9665] close(4) = 0
./strace-static-x86_64: Process 9674 attached
[pid 9669] <... write resumed>) = 2097152
[pid 9668] <... ioctl resumed>) = 0
[pid 9665] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9674] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9669] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9668] close(3 <unfinished ...>
[pid 9665] <... futex resumed>) = 1
[pid 9663] <... futex resumed>) = 0
[pid 9674] <... set_robust_list resumed>) = 0
[pid 9669] <... munmap resumed>) = 0
[pid 9668] <... close resumed>) = 0
[pid 9665] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9663] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9674] chdir("./192" <unfinished ...>
[pid 9669] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9668] mkdir("./file0", 0777 <unfinished ...>
[pid 9665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9663] <... futex resumed>) = 0
[pid 9674] <... chdir resumed>) = 0
[pid 9669] <... openat resumed>) = 4
[pid 9668] <... mkdir resumed>) = 0
[pid 9665] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9663] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 246.674618][ T9668] loop5: detected capacity change from 0 to 4096
[ 246.688417][ T9673] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9674] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9669] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9668] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9674] <... prctl resumed>) = 0
[pid 9674] setpgid(0, 0) = 0
[pid 9674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9674] write(3, "1000", 4) = 4
[pid 9674] close(3 <unfinished ...>
[pid 9659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9659] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9659] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9659] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9674] <... close resumed>) = 0
[pid 9669] <... ioctl resumed>) = 0
[pid 9665] <... openat resumed>) = 4
[pid 9674] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9669] close(3 <unfinished ...>
[pid 9665] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... clone resumed>, parent_tid=[9675], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9675
[pid 9674] <... symlink resumed>) = 0
[pid 9669] <... close resumed>) = 0
[pid 9665] <... futex resumed>) = 1
[pid 9663] <... futex resumed>) = 0
[pid 9659] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9674] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] mkdir("./file0", 0777 <unfinished ...>
[pid 9665] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9663] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] <... futex resumed>) = 0
[pid 9674] <... futex resumed>) = 0
[pid 9669] <... mkdir resumed>) = 0
[pid 9665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9663] <... futex resumed>) = 0
[pid 9659] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9675 attached
<unfinished ...>
[pid 9674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9669] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9665] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9663] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9675] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9674] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9675] <... set_robust_list resumed>) = 0
[pid 9675] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9674] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9675] <... mmap resumed>) = 0x20000000
[pid 9674] <... mprotect resumed>) = 0
[pid 9675] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9674] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9675] <... futex resumed>) = 1
[pid 9659] <... futex resumed>) = 0
[ 246.727544][ T9669] loop4: detected capacity change from 0 to 4096
[ 246.752579][ T9668] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9675] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9674] <... clone resumed>, parent_tid=[9676], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9676
[pid 9672] <... write resumed>) = 2097152
[pid 9674] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9674] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9676 attached
<unfinished ...>
[pid 9676] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9676] memfd_create("syzkaller", 0) = 3
[pid 9676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9672] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9662] <... write resumed>) = 172032
[pid 9672] <... munmap resumed>) = 0
[pid 9662] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9659] exit_group(0 <unfinished ...>
[pid 9676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9675] <... futex resumed>) = ?
[pid 9672] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9663] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9662] <... futex resumed>) = ?
[pid 9659] <... exit_group resumed>) = ?
[pid 9675] +++ exited with 0 +++
[pid 9672] <... openat resumed>) = 4
[pid 9663] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9662] +++ exited with 0 +++
[pid 9659] +++ exited with 0 +++
[pid 9672] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9663] <... futex resumed>) = 0
[ 246.789233][ T9669] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 246.798685][ T9668] NILFS (loop5): trying rollback from an earlier position
[ 246.826585][ T9669] NILFS (loop4): trying rollback from an earlier position
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9659, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 9663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9663] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9663] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9677], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9677
[pid 9663] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9663] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9672] <... ioctl resumed>) = 0
[pid 5071] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9677 attached
<unfinished ...>
[pid 9672] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9677] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9672] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9677] <... set_robust_list resumed>) = 0
[pid 9672] mkdir("./file0", 0777 <unfinished ...>
[pid 9677] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9672] <... mkdir resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9677] <... mmap resumed>) = 0x20000000
[pid 9672] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9677] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9663] <... futex resumed>) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9677] <... futex resumed>) = 1
[pid 5071] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9677] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[ 246.860329][ T9672] loop0: detected capacity change from 0 to 4096
[ 246.875396][ T9668] NILFS (loop5): recovery complete
[ 246.899778][ T9672] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 5071] unlink("./188/binderfs" <unfinished ...>
[pid 9669] <... mount resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9676] <... write resumed>) = 2097152
[pid 9669] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9669] <... openat resumed>) = 3
[pid 9676] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9669] chdir("./file0" <unfinished ...>
[pid 9668] <... mount resumed>) = 0
[pid 9669] <... chdir resumed>) = 0
[ 246.910001][ T9669] NILFS (loop4): recovery complete
[ 246.918398][ T9679] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.929257][ T9678] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.929864][ T9672] NILFS (loop0): trying rollback from an earlier position
[pid 9668] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9676] <... munmap resumed>) = 0
[pid 9669] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9668] <... openat resumed>) = 3
[pid 9669] <... ioctl resumed>) = 0
[pid 9668] chdir("./file0" <unfinished ...>
[pid 9669] close(4 <unfinished ...>
[pid 9668] <... chdir resumed>) = 0
[pid 9676] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9672] <... mount resumed>) = 0
[pid 9669] <... close resumed>) = 0
[pid 9665] <... write resumed>) = 266240
[pid 9676] <... openat resumed>) = 4
[pid 9672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9665] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9676] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9672] <... openat resumed>) = 3
[pid 9665] <... futex resumed>) = 0
[pid 9672] chdir("./file0" <unfinished ...>
[pid 9665] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9672] <... chdir resumed>) = 0
[pid 9672] ioctl(4, LOOP_CLR_FD) = 0
[pid 9672] close(4) = 0
[pid 9669] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9668] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9663] exit_group(0 <unfinished ...>
[pid 9677] <... futex resumed>) = ?
[pid 9669] <... futex resumed>) = 1
[pid 9668] <... ioctl resumed>) = 0
[pid 9667] <... futex resumed>) = 0
[pid 9663] <... exit_group resumed>) = ?
[pid 9665] <... futex resumed>) = ?
[pid 9677] +++ exited with 0 +++
[pid 9669] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9668] close(4) = 0
[pid 9668] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9668] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9667] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9666] <... futex resumed>) = 0
[pid 9665] +++ exited with 0 +++
[pid 9663] +++ exited with 0 +++
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./188/file0", <unfinished ...>
[pid 9667] <... futex resumed>) = 1
[pid 9666] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9672] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] <... futex resumed>) = 0
[pid 9668] <... futex resumed>) = 0
[pid 9667] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9666] <... futex resumed>) = 1
[pid 9666] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9663, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9676] <... ioctl resumed>) = 0
[pid 9672] <... futex resumed>) = 1
[pid 9670] <... futex resumed>) = 0
[pid 5072] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9676] close(3 <unfinished ...>
[pid 9672] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9670] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9670] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9670] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9669] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9668] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9676] <... close resumed>) = 0
[pid 9672] <... openat resumed>) = 4
[pid 9669] <... openat resumed>) = 4
[pid 9668] <... openat resumed>) = 4
[pid 5072] fstat(3, <unfinished ...>
[pid 9676] mkdir("./file0", 0777 <unfinished ...>
[pid 9672] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9668] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9676] <... mkdir resumed>) = 0
[pid 9672] <... futex resumed>) = 1
[pid 9670] <... futex resumed>) = 0
[pid 9669] <... futex resumed>) = 1
[pid 9668] <... futex resumed>) = 1
[pid 9667] <... futex resumed>) = 0
[pid 9666] <... futex resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9676] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9672] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9670] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9668] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9667] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9666] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9670] <... futex resumed>) = 0
[pid 9669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9669] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9668] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9670] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9667] <... futex resumed>) = 0
[pid 9666] <... futex resumed>) = 0
[ 246.957497][ T9672] NILFS (loop0): recovery complete
[ 246.970767][ T9680] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 246.997006][ T9676] loop3: detected capacity change from 0 to 4096
[pid 5072] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9667] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9666] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] lstat("./191/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./188/file0") = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./188") = 0
[pid 5071] mkdir("./189", 0777) = 0
[pid 5072] unlink("./191/binderfs" <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9681
./strace-static-x86_64: Process 9681 attached
[pid 9681] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9681] chdir("./189") = 0
[pid 9681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9681] setpgid(0, 0 <unfinished ...>
[pid 9670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9681] <... setpgid resumed>) = 0
[pid 9670] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9670] <... futex resumed>) = 0
[pid 9667] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9666] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9681] <... openat resumed>) = 3
[pid 9670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9667] <... futex resumed>) = 0
[pid 9666] <... futex resumed>) = 0
[ 247.047735][ T9676] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 247.056115][ T9676] NILFS (loop3): trying rollback from an earlier position
[pid 9681] write(3, "1000", 4 <unfinished ...>
[pid 9670] <... mmap resumed>) = 0x7fe4250d7000
[pid 9667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9681] <... write resumed>) = 4
[pid 9670] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9667] <... mmap resumed>) = 0x7fe4250d7000
[pid 9666] <... mmap resumed>) = 0x7fe4250d7000
[pid 9681] close(3 <unfinished ...>
[pid 9670] <... mprotect resumed>) = 0
[pid 9667] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9666] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9681] <... close resumed>) = 0
[pid 9670] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9667] <... mprotect resumed>) = 0
[pid 9666] <... mprotect resumed>) = 0
[pid 9681] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9667] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9666] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9681] <... symlink resumed>) = 0
[pid 9670] <... clone resumed>, parent_tid=[9682], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9682
[pid 9681] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9670] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9667] <... clone resumed>, parent_tid=[9683], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9683
[pid 9666] <... clone resumed>, parent_tid=[9684], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9684
./strace-static-x86_64: Process 9684 attached
./strace-static-x86_64: Process 9682 attached
[pid 9681] <... futex resumed>) = 0
[pid 9670] <... futex resumed>) = 0
[pid 9667] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9666] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9683 attached
<unfinished ...>
[pid 9684] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9682] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9670] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9667] <... futex resumed>) = 0
[pid 9666] <... futex resumed>) = 0
[pid 9684] <... set_robust_list resumed>) = 0
[pid 9683] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9682] <... set_robust_list resumed>) = 0
[pid 9681] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9667] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9666] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 9684] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9683] <... set_robust_list resumed>) = 0
[pid 9682] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9681] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9683] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9681] <... mprotect resumed>) = 0
[pid 9684] <... mmap resumed>) = 0x20000000
[pid 9682] <... mmap resumed>) = 0x20000000
[pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9684] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9682] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9684] <... futex resumed>) = 1
[pid 9682] <... futex resumed>) = 1
[pid 9670] <... futex resumed>) = 0
[pid 9666] <... futex resumed>) = 0
[pid 5072] lstat("./191/file0", <unfinished ...>
[pid 9684] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9682] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./191/file0") = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9681] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] close(3) = 0
[pid 9681] <... clone resumed>, parent_tid=[9685], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9685
[pid 5072] rmdir("./191" <unfinished ...>
[pid 9681] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./192", 0777) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 9685 attached
) = 3
[pid 9685] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9685] <... set_robust_list resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9685] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9685] <... memfd_create resumed>) = 3
[pid 9681] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9681] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9685] <... mmap resumed>) = 0x7fe424ef8000
[pid 9683] <... mmap resumed>) = 0x20000000
[pid 9667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9686
[pid 9683] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 247.154919][ T9676] NILFS (loop3): recovery complete
[pid 9683] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9686 attached
<unfinished ...>
[pid 9686] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9686] chdir("./192") = 0
[pid 9686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9686] setpgid(0, 0) = 0
[pid 9686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9676] <... mount resumed>) = 0
[pid 9686] <... openat resumed>) = 3
[pid 9676] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9686] write(3, "1000", 4 <unfinished ...>
[pid 9676] <... openat resumed>) = 3
[pid 9686] <... write resumed>) = 4
[pid 9676] chdir("./file0" <unfinished ...>
[pid 9686] close(3) = 0
[pid 9676] <... chdir resumed>) = 0
[pid 9686] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9676] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9686] <... symlink resumed>) = 0
[pid 9676] <... ioctl resumed>) = 0
[pid 9686] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9676] close(4 <unfinished ...>
[pid 9686] <... futex resumed>) = 0
[pid 9676] <... close resumed>) = 0
[pid 9686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9676] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9686] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9676] <... futex resumed>) = 1
[pid 9674] <... futex resumed>) = 0
[pid 9686] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9676] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9674] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9686] <... mprotect resumed>) = 0
[pid 9676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9674] <... futex resumed>) = 0
[pid 9686] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9676] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9674] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9686] <... clone resumed>, parent_tid=[9688], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9688
[pid 9686] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 247.201566][ T9687] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9686] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9688 attached
<unfinished ...>
[pid 9672] <... write resumed>) = 192512
[pid 9688] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9672] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9688] <... set_robust_list resumed>) = 0
[pid 9672] <... futex resumed>) = 0
[pid 9688] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9672] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9670] exit_group(0 <unfinished ...>
[pid 9688] <... memfd_create resumed>) = 3
[pid 9682] <... futex resumed>) = ?
[pid 9672] <... futex resumed>) = ?
[pid 9670] <... exit_group resumed>) = ?
[pid 9688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9682] +++ exited with 0 +++
[pid 9672] +++ exited with 0 +++
[pid 9670] +++ exited with 0 +++
[pid 9688] <... mmap resumed>) = 0x7fe424ef8000
[pid 9685] <... write resumed>) = 2097152
[pid 9676] <... openat resumed>) = 4
[pid 9669] <... write resumed>) = 212992
[pid 9668] <... write resumed>) = 225280
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9670, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9685] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9676] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9668] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9688] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9669] <... futex resumed>) = 0
[pid 9668] <... futex resumed>) = 0
[pid 9685] <... munmap resumed>) = 0
[pid 9676] <... futex resumed>) = 1
[pid 9674] <... futex resumed>) = 0
[pid 9669] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9668] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9667] exit_group(0 <unfinished ...>
[pid 9666] exit_group(0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9684] <... futex resumed>) = ?
[pid 9683] <... futex resumed>) = ?
[pid 9676] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9674] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9669] <... futex resumed>) = ?
[pid 9668] <... futex resumed>) = ?
[pid 9667] <... exit_group resumed>) = ?
[pid 9666] <... exit_group resumed>) = ?
[pid 5070] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9685] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9684] +++ exited with 0 +++
[pid 9683] +++ exited with 0 +++
[pid 9676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9674] <... futex resumed>) = 0
[pid 9669] +++ exited with 0 +++
[pid 9668] +++ exited with 0 +++
[pid 9667] +++ exited with 0 +++
[pid 5070] <... openat resumed>) = 3
[pid 9685] <... openat resumed>) = 4
[pid 9676] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9674] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9666] +++ exited with 0 +++
[pid 5070] fstat(3, <unfinished ...>
[pid 9685] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9666, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9667, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9688] <... write resumed>) = 2097152
[pid 9685] <... ioctl resumed>) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9688] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9688] <... munmap resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] lstat("./188/binderfs", <unfinished ...>
[pid 9688] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9688] <... openat resumed>) = 4
[pid 5075] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] unlink("./188/binderfs" <unfinished ...>
[pid 9688] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] fstat(3, <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9685] close(3) = 0
[pid 9685] mkdir("./file0", 0777) = 0
[pid 9685] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5074] getdents64(3, <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9688] <... ioctl resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] lstat("./190/binderfs", <unfinished ...>
[pid 9688] close(3 <unfinished ...>
[pid 5075] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9688] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] unlink("./190/binderfs" <unfinished ...>
[pid 9688] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] lstat("./193/binderfs", <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9674] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9688] <... mkdir resumed>) = 0
[pid 9674] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] unlink("./193/binderfs" <unfinished ...>
[pid 9674] <... mmap resumed>) = 0x7fe4250d7000
[ 247.319428][ T9685] loop1: detected capacity change from 0 to 4096
[ 247.331762][ T9688] loop2: detected capacity change from 0 to 4096
[pid 9688] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9674] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 9674] <... mprotect resumed>) = 0
[pid 9674] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9689], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9689
[pid 9674] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9674] <... futex resumed>) = 0
[pid 9674] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9689 attached
<unfinished ...>
[pid 9689] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9689] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9689] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9674] <... futex resumed>) = 0
[pid 9689] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./188/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 247.390604][ T9685] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 247.421164][ T9688] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 247.425453][ T9685] NILFS (loop1): trying rollback from an earlier position
[pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] close(4 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./190/file0" <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5074] <... rmdir resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] rmdir("./190" <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] mkdir("./191", 0777 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5070] rmdir("./188/file0" <unfinished ...>
[pid 5075] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... rmdir resumed>) = 0
[pid 5075] lstat("./193/file0", <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] close(3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9690
[pid 5070] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5070] rmdir("./188" <unfinished ...>
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9690 attached
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] mkdir("./189", 0777 <unfinished ...>
[pid 9690] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9690] <... set_robust_list resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9690] chdir("./191" <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9690] <... chdir resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9690] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9690] <... prctl resumed>) = 0
[pid 5075] rmdir("./193/file0" <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9690] setpgid(0, 0 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9690] <... setpgid resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9690] <... openat resumed>) = 3
[pid 5075] close(3 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[ 247.457064][ T9688] NILFS (loop2): trying rollback from an earlier position
[ 247.487718][ T9688] NILFS (loop2): recovery complete
[pid 9690] write(3, "1000", 4 <unfinished ...>
[pid 9688] <... mount resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9690] <... write resumed>) = 4
[pid 9690] close(3) = 0
[pid 9690] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9690] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9690] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9690] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9692], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9692
[pid 9690] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9690] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] rmdir("./193"./strace-static-x86_64: Process 9693 attached
) = 0
[pid 9688] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9693
./strace-static-x86_64: Process 9692 attached
[pid 9693] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9688] <... openat resumed>) = 3
[pid 5075] mkdir("./194", 0777 <unfinished ...>
[pid 9693] <... set_robust_list resumed>) = 0
[pid 9688] chdir("./file0" <unfinished ...>
[pid 9676] <... write resumed>) = 331776
[pid 5075] <... mkdir resumed>) = 0
[pid 9693] chdir("./189" <unfinished ...>
[pid 9688] <... chdir resumed>) = 0
[pid 9676] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9674] exit_group(0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9693] <... chdir resumed>) = 0
[pid 9692] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9689] <... futex resumed>) = ?
[pid 9688] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9676] <... futex resumed>) = ?
[pid 9674] <... exit_group resumed>) = ?
[pid 5075] <... openat resumed>) = 3
[pid 9693] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9692] <... set_robust_list resumed>) = 0
[pid 9689] +++ exited with 0 +++
[pid 9688] <... ioctl resumed>) = 0
[pid 9685] <... mount resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9693] <... prctl resumed>) = 0
[pid 9688] close(4 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9693] setpgid(0, 0 <unfinished ...>
[pid 9688] <... close resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9693] <... setpgid resumed>) = 0
[pid 9688] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9688] <... futex resumed>) = 1
[pid 9686] <... futex resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9693] <... openat resumed>) = 3
[pid 9688] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9686] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9693] write(3, "1000", 4 <unfinished ...>
[pid 9688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9686] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9695
[pid 9693] <... write resumed>) = 4
[pid 9688] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9686] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9676] +++ exited with 0 +++
[pid 9693] close(3 <unfinished ...>
[pid 9674] +++ exited with 0 +++
[pid 9693] <... close resumed>) = 0
[pid 9692] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9688] <... openat resumed>) = 4
[pid 9685] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9693] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9692] <... memfd_create resumed>) = 3
[pid 9688] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9685] <... openat resumed>) = 3
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9674, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
./strace-static-x86_64: Process 9695 attached
[pid 9693] <... symlink resumed>) = 0
[pid 9692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9688] <... futex resumed>) = 1
[pid 9686] <... futex resumed>) = 0
[pid 9685] chdir("./file0" <unfinished ...>
[pid 9695] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9693] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9692] <... mmap resumed>) = 0x7fe424ef8000
[pid 9688] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9686] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9685] <... chdir resumed>) = 0
[pid 9695] <... set_robust_list resumed>) = 0
[pid 9693] <... futex resumed>) = 0
[pid 9688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9686] <... futex resumed>) = 0
[pid 9695] chdir("./194" <unfinished ...>
[pid 9693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9688] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9686] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9695] <... chdir resumed>) = 0
[pid 9693] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9685] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9695] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9693] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9685] <... ioctl resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9695] <... prctl resumed>) = 0
[pid 9693] <... mprotect resumed>) = 0
[pid 9685] close(4 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9695] setpgid(0, 0 <unfinished ...>
[pid 9693] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9685] <... close resumed>) = 0
[ 247.528162][ T9691] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 247.542156][ T9685] NILFS (loop1): recovery complete
[ 247.563243][ T9694] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9695] <... setpgid resumed>) = 0
[pid 9685] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9693] <... clone resumed>, parent_tid=[9696], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9696
[pid 9685] <... futex resumed>) = 1
[pid 9692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9681] <... futex resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 9695] <... openat resumed>) = 3
[pid 9693] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9685] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9681] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9696 attached
[pid 9695] write(3, "1000", 4 <unfinished ...>
[pid 9693] <... futex resumed>) = 0
[pid 9685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9681] <... futex resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9696] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9695] <... write resumed>) = 4
[pid 9693] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9685] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9681] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9696] <... set_robust_list resumed>) = 0
[pid 9695] close(3 <unfinished ...>
[pid 9696] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9695] <... close resumed>) = 0
[pid 5073] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9696] <... memfd_create resumed>) = 3
[pid 9695] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9695] <... symlink resumed>) = 0
[pid 9685] <... openat resumed>) = 4
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9696] <... mmap resumed>) = 0x7fe424ef8000
[pid 9695] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9685] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] lstat("./192/binderfs", <unfinished ...>
[pid 9695] <... futex resumed>) = 0
[pid 9695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9695] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9686] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9685] <... futex resumed>) = 1
[pid 9681] <... futex resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9695] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9686] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9685] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9681] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] unlink("./192/binderfs" <unfinished ...>
[pid 9686] <... futex resumed>) = 0
[pid 9685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9681] <... futex resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9695] <... clone resumed>, parent_tid=[9697], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9697
[pid 9686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9685] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9681] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9695] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9686] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9697 attached
[pid 9695] <... futex resumed>) = 0
[pid 9686] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9697] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9695] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9686] <... mprotect resumed>) = 0
[pid 9697] <... set_robust_list resumed>) = 0
[pid 9686] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9697] memfd_create("syzkaller", 0) = 3
[pid 9686] <... clone resumed>, parent_tid=[9698], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9698
[pid 9697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9686] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9697] <... mmap resumed>) = 0x7fe424ef8000
[pid 9686] <... futex resumed>) = 0
[pid 9686] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 9698 attached
<unfinished ...>
[pid 9698] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9692] <... write resumed>) = 2097152
[pid 9698] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9692] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9698] <... mmap resumed>) = 0x20000000
[pid 9681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9698] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9681] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9698] <... futex resumed>) = 1
[pid 9698] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9681] <... futex resumed>) = 0
[pid 9681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9686] <... futex resumed>) = 0
[pid 9681] <... mmap resumed>) = 0x7fe4250d7000
[pid 9692] <... munmap resumed>) = 0
[pid 9681] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9692] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9681] <... mprotect resumed>) = 0
[pid 9681] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9699], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9699
[pid 9681] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9681] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9692] <... openat resumed>) = 4
[pid 9692] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 9699 attached
<unfinished ...>
[pid 9699] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9699] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9692] <... ioctl resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 9699] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9692] close(3 <unfinished ...>
[pid 9685] <... write resumed>) = 172032
[pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9699] <... futex resumed>) = 0
[pid 9692] <... close resumed>) = 0
[pid 9685] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9699] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9692] mkdir("./file0", 0777 <unfinished ...>
[pid 9685] <... futex resumed>) = 0
[pid 9681] exit_group(0 <unfinished ...>
[ 247.717771][ T9692] loop4: detected capacity change from 0 to 4096
[pid 5073] lstat("./192/file0", <unfinished ...>
[pid 9699] <... futex resumed>) = ?
[pid 9692] <... mkdir resumed>) = 0
[pid 9681] <... exit_group resumed>) = ?
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9699] +++ exited with 0 +++
[pid 9697] <... write resumed>) = 2097152
[pid 9696] <... write resumed>) = 2097152
[pid 9692] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9685] +++ exited with 0 +++
[pid 9681] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9681, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 9697] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9697] <... munmap resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 9697] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9697] <... openat resumed>) = 4
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9697] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9697] <... ioctl resumed>) = 0
[pid 9696] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9697] close(3 <unfinished ...>
[pid 9696] <... munmap resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9697] <... close resumed>) = 0
[pid 9696] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9697] mkdir("./file0", 0777 <unfinished ...>
[pid 9696] <... openat resumed>) = 4
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9697] <... mkdir resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9697] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] rmdir("./192/file0" <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9696] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 5071] lstat("./189/binderfs", <unfinished ...>
[pid 5073] rmdir("./192" <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9696] <... ioctl resumed>) = 0
[pid 9696] close(3) = 0
[ 247.789884][ T9692] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 247.798547][ T9697] loop5: detected capacity change from 0 to 4096
[ 247.798827][ T9692] NILFS (loop4): trying rollback from an earlier position
[ 247.821043][ T9692] NILFS (loop4): recovery complete
[ 247.830411][ T9696] loop0: detected capacity change from 0 to 4096
[pid 9696] mkdir("./file0", 0777) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] unlink("./189/binderfs" <unfinished ...>
[pid 5073] mkdir("./193", 0777 <unfinished ...>
[pid 9696] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 9688] <... write resumed>) = 274432
[pid 9688] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9688] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9686] exit_group(0) = ?
[pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9698] <... futex resumed>) = ?
[pid 9688] <... futex resumed>) = ?
[pid 9698] +++ exited with 0 +++
[pid 9692] <... mount resumed>) = 0
[pid 9688] +++ exited with 0 +++
[pid 9686] +++ exited with 0 +++
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9692] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9686, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9692] <... openat resumed>) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9692] chdir("./file0" <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9692] <... chdir resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9692] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9692] <... ioctl resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9692] close(4 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9692] <... close resumed>) = 0
[ 247.847044][ T9700] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 247.864544][ T9697] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 247.865573][ T9696] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 247.873895][ T9697] NILFS (loop5): trying rollback from an earlier position
[pid 5072] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9701 attached
<unfinished ...>
[pid 9692] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... umount2 resumed>) = 0
[pid 9701] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9692] <... futex resumed>) = 1
[pid 9690] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9701
[pid 5072] fstat(3, <unfinished ...>
[pid 9701] <... set_robust_list resumed>) = 0
[pid 9692] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9701] chdir("./193" <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9701] <... chdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] getdents64(3, <unfinished ...>
[pid 9701] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] lstat("./189/file0", <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9701] <... prctl resumed>) = 0
[pid 9701] setpgid(0, 0 <unfinished ...>
[pid 9690] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9701] <... setpgid resumed>) = 0
[pid 9692] <... futex resumed>) = 0
[pid 9690] <... futex resumed>) = 1
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9692] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9690] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./192/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9701] <... openat resumed>) = 3
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9701] write(3, "1000", 4 <unfinished ...>
[pid 9692] <... openat resumed>) = 4
[pid 5072] unlink("./192/binderfs" <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9701] <... write resumed>) = 4
[pid 9692] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9692] <... futex resumed>) = 1
[pid 9690] <... futex resumed>) = 0
[pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9692] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9690] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9690] <... futex resumed>) = 0
[pid 9692] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9690] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9701] close(3 <unfinished ...>
[pid 9696] <... mount resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 9701] <... close resumed>) = 0
[pid 9696] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9701] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9696] <... openat resumed>) = 3
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9701] <... symlink resumed>) = 0
[pid 9696] chdir("./file0" <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9701] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9696] <... chdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9701] <... futex resumed>) = 0
[pid 9696] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9696] <... ioctl resumed>) = 0
[pid 9696] close(4 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9701] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9696] <... close resumed>) = 0
[ 247.904765][ T9696] NILFS (loop0): trying rollback from an earlier position
[ 247.922412][ T9696] NILFS (loop0): recovery complete
[ 247.931758][ T9702] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] close(4 <unfinished ...>
[pid 9701] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9696] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9701] <... mprotect resumed>) = 0
[pid 9696] <... futex resumed>) = 1
[pid 9693] <... futex resumed>) = 0
[pid 5071] rmdir("./189/file0" <unfinished ...>
[pid 9701] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9696] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9693] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9703 attached
<unfinished ...>
[pid 9696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9693] <... futex resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9701] <... clone resumed>, parent_tid=[9703], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9703
[pid 9696] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9693] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9701] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9696] <... openat resumed>) = 4
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9703] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9701] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9696] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9703] <... set_robust_list resumed>) = 0
[pid 9696] <... futex resumed>) = 1
[pid 9693] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9696] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9693] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./189" <unfinished ...>
[pid 9696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9693] <... futex resumed>) = 0
[pid 9696] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9693] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] mkdir("./190", 0777 <unfinished ...>
[pid 9690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9690] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9690] <... futex resumed>) = 0
[ 247.977184][ T9697] NILFS (loop5): recovery complete
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9703] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9690] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... openat resumed>) = 3
[pid 9703] <... memfd_create resumed>) = 3
[pid 9690] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9690] <... mprotect resumed>) = 0
[pid 9703] <... mmap resumed>) = 0x7fe424ef8000
[pid 9697] <... mount resumed>) = 0
[pid 9690] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9697] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9690] <... clone resumed>, parent_tid=[9705], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9705
[pid 9697] chdir("./file0" <unfinished ...>
[pid 9690] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9697] <... chdir resumed>) = 0
[pid 9690] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9697] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9690] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] close(3./strace-static-x86_64: Process 9705 attached
<unfinished ...>
[pid 9697] <... ioctl resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9697] close(4 <unfinished ...>
[pid 9705] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9697] <... close resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9705] <... set_robust_list resumed>) = 0
[pid 9697] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9697] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9695] <... futex resumed>) = 0
[pid 9705] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9695] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9706
[pid 9697] <... futex resumed>) = 0
[pid 9695] <... futex resumed>) = 1
[pid 9697] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9695] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9705] <... mmap resumed>) = 0x20000000
[pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9705] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9690] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9705] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9693] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9706 attached
) = 0
[pid 5072] lstat("./192/file0", <unfinished ...>
[pid 9706] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9706] <... set_robust_list resumed>) = 0
[pid 9693] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9706] chdir("./190" <unfinished ...>
[pid 9693] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9706] <... chdir resumed>) = 0
[pid 9693] <... mprotect resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9706] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9693] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[ 248.022273][ T9704] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9706] <... prctl resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9706] setpgid(0, 0 <unfinished ...>
[pid 9693] <... clone resumed>, parent_tid=[9707], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9707
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9706] <... setpgid resumed>) = 0
[pid 9693] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9693] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9707 attached
[pid 9706] <... openat resumed>) = 3
[pid 9697] <... openat resumed>) = 4
[pid 9693] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9707] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9706] write(3, "1000", 4 <unfinished ...>
[pid 9697] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9707] <... set_robust_list resumed>) = 0
[pid 9706] <... write resumed>) = 4
[pid 9697] <... futex resumed>) = 1
[pid 9695] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9707] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9706] close(3 <unfinished ...>
[pid 9697] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9695] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9707] <... mmap resumed>) = 0x20000000
[pid 9697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5072] rmdir("./192/file0" <unfinished ...>
[pid 9707] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9706] <... close resumed>) = 0
[pid 9697] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9695] <... futex resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9707] <... futex resumed>) = 1
[pid 9706] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9695] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9693] <... futex resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9707] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9706] <... symlink resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9706] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9706] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9696] <... write resumed>) = 188416
[pid 5072] rmdir("./192" <unfinished ...>
[pid 9706] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9696] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9706] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9703] <... write resumed>) = 2097152
[pid 9696] <... futex resumed>) = 0
[pid 9693] exit_group(0 <unfinished ...>
[pid 5072] mkdir("./193", 0777 <unfinished ...>
[pid 9707] <... futex resumed>) = ?
[pid 9706] <... mprotect resumed>) = 0
[pid 9703] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9693] <... exit_group resumed>) = ?
[pid 5072] <... mkdir resumed>) = 0
[pid 9707] +++ exited with 0 +++
[pid 9706] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9696] +++ exited with 0 +++
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9693] +++ exited with 0 +++
[pid 5072] <... openat resumed>) = 3
[pid 9706] <... clone resumed>, parent_tid=[9708], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9708
[pid 9703] <... munmap resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9693, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9706] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9703] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9706] <... futex resumed>) = 0
[pid 9703] <... openat resumed>) = 4
[pid 5072] close(3 <unfinished ...>
[pid 9706] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9703] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9692] <... write resumed>) = 204800
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9692] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9690] exit_group(0 <unfinished ...>
[pid 9705] <... futex resumed>) = ?
[pid 9692] <... futex resumed>) = ?
[pid 9690] <... exit_group resumed>) = ?
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9709
[pid 5070] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9692] +++ exited with 0 +++
./strace-static-x86_64: Process 9709 attached
[pid 9709] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9709] chdir("./193") = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9709] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9705] +++ exited with 0 +++
[pid 9690] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9690, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5070] <... openat resumed>) = 3
[pid 5070] fstat(3, <unfinished ...>
[pid 9709] <... prctl resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9709] setpgid(0, 0 <unfinished ...>
[pid 5070] getdents64(3, ./strace-static-x86_64: Process 9708 attached
<unfinished ...>
[pid 9709] <... setpgid resumed>) = 0
[pid 9709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9709] <... openat resumed>) = 3
[pid 9708] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5070] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9709] write(3, "1000", 4 <unfinished ...>
[pid 9708] <... set_robust_list resumed>) = 0
[pid 9703] <... ioctl resumed>) = 0
[pid 5074] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9709] <... write resumed>) = 4
[pid 9708] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9703] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./189/binderfs", <unfinished ...>
[pid 9709] close(3 <unfinished ...>
[pid 9708] <... memfd_create resumed>) = 3
[pid 9703] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9709] <... close resumed>) = 0
[pid 9708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9703] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9709] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9708] <... mmap resumed>) = 0x7fe424ef8000
[pid 9695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] fstat(3, <unfinished ...>
[pid 5070] unlink("./189/binderfs" <unfinished ...>
[pid 9709] <... symlink resumed>) = 0
[pid 9703] <... mkdir resumed>) = 0
[pid 9709] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9695] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 9709] <... futex resumed>) = 0
[pid 9695] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9709] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9703] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9695] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9709] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9695] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9709] <... mprotect resumed>) = 0
[pid 9695] <... mprotect resumed>) = 0
[pid 5074] lstat("./191/binderfs", <unfinished ...>
[pid 9709] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9695] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./191/binderfs" <unfinished ...>
[pid 9709] <... clone resumed>, parent_tid=[9710], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9710
[pid 9695] <... clone resumed>, parent_tid=[9711], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9711
[pid 5074] <... unlink resumed>) = 0
[pid 9709] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9695] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9709] <... futex resumed>) = 0
[ 248.162907][ T9703] loop3: detected capacity change from 0 to 4096
[pid 9695] <... futex resumed>) = 0
[pid 9709] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9695] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9711 attached
./strace-static-x86_64: Process 9710 attached
<unfinished ...>
[pid 9711] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9710] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9710] memfd_create("syzkaller", 0) = 3
[pid 9710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9711] <... set_robust_list resumed>) = 0
[pid 9711] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9711] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9695] <... futex resumed>) = 0
[pid 9711] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 248.227254][ T9703] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 248.236876][ T9703] NILFS (loop3): trying rollback from an earlier position
[pid 9708] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./189/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9708] <... write resumed>) = 2097152
[ 248.270120][ T9703] NILFS (loop3): recovery complete
[pid 5070] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9703] <... mount resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9703] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9708] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9703] <... openat resumed>) = 3
[pid 5070] close(4 <unfinished ...>
[pid 9708] <... munmap resumed>) = 0
[pid 9703] chdir("./file0" <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9708] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9703] <... chdir resumed>) = 0
[pid 5070] rmdir("./189/file0" <unfinished ...>
[pid 9710] <... write resumed>) = 2097152
[pid 9708] <... openat resumed>) = 4
[pid 9703] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9710] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9708] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9703] <... ioctl resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... rmdir resumed>) = 0
[pid 9710] <... munmap resumed>) = 0
[pid 9703] close(4 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9710] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9703] <... close resumed>) = 0
[pid 5074] lstat("./191/file0", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9710] <... openat resumed>) = 4
[pid 9708] <... ioctl resumed>) = 0
[pid 9703] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9710] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9708] close(3 <unfinished ...>
[pid 9703] <... futex resumed>) = 1
[ 248.308677][ T9712] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 248.343947][ T9708] loop1: detected capacity change from 0 to 4096
[pid 5070] <... close resumed>) = 0
[pid 9703] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] rmdir("./189") = 0
[pid 5070] mkdir("./190", 0777) = 0
[pid 9701] <... futex resumed>) = 0
[pid 9708] <... close resumed>) = 0
[pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9710] <... ioctl resumed>) = 0
[pid 9708] mkdir("./file0", 0777 <unfinished ...>
[pid 9701] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... openat resumed>) = 3
[pid 9710] close(3 <unfinished ...>
[pid 9708] <... mkdir resumed>) = 0
[pid 9703] <... futex resumed>) = 0
[pid 9701] <... futex resumed>) = 1
[pid 9697] <... write resumed>) = 258048
[pid 5074] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9710] <... close resumed>) = 0
[pid 9708] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9703] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9701] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9697] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9710] mkdir("./file0", 0777 <unfinished ...>
[pid 9703] <... openat resumed>) = 4
[pid 9697] <... futex resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9710] <... mkdir resumed>) = 0
[pid 9703] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9697] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9695] exit_group(0 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 9711] <... futex resumed>) = ?
[pid 9710] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9703] <... futex resumed>) = 1
[pid 9701] <... futex resumed>) = 0
[pid 9697] <... futex resumed>) = ?
[pid 9695] <... exit_group resumed>) = ?
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9711] +++ exited with 0 +++
[pid 9703] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9701] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9697] +++ exited with 0 +++
[pid 9695] +++ exited with 0 +++
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9701] <... futex resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9695, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9713
[pid 9703] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9701] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4./strace-static-x86_64: Process 9713 attached
) = 0
[pid 9713] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] rmdir("./191/file0" <unfinished ...>
[pid 9713] <... set_robust_list resumed>) = 0
[ 248.364724][ T9710] loop2: detected capacity change from 0 to 4096
[ 248.403370][ T9708] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 5075] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9713] chdir("./190" <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... rmdir resumed>) = 0
[pid 9713] <... chdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9713] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9713] <... prctl resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9713] setpgid(0, 0 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9713] <... setpgid resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9713] <... openat resumed>) = 3
[pid 5075] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9713] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 9713] <... write resumed>) = 4
[pid 5075] lstat("./194/binderfs", <unfinished ...>
[pid 5074] rmdir("./191" <unfinished ...>
[pid 9713] close(3 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9713] <... close resumed>) = 0
[pid 5075] unlink("./194/binderfs" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9713] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] mkdir("./192", 0777 <unfinished ...>
[pid 9713] <... symlink resumed>) = 0
[pid 5075] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9713] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9713] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9713] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9715], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9715
[pid 9713] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9713] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9701] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9701] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9701] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9716], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9716
[pid 9701] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 9715 attached
<unfinished ...>
[pid 9708] <... mount resumed>) = 0
[pid 9701] <... futex resumed>) = 0
[pid 9715] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9708] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9701] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9715] <... set_robust_list resumed>) = 0
[pid 9708] <... openat resumed>) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9715] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9708] chdir("./file0" <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9715] <... memfd_create resumed>) = 3
[pid 9708] <... chdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9708] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9715] <... mmap resumed>) = 0x7fe424ef8000
[pid 9708] <... ioctl resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9708] close(4) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9717
[pid 9708] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9706] <... futex resumed>) = 0
./strace-static-x86_64: Process 9716 attached
[pid 9708] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9706] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9716] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9706] <... futex resumed>) = 0
[pid 9716] <... set_robust_list resumed>) = 0
[pid 9708] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 248.425099][ T9708] NILFS (loop1): trying rollback from an earlier position
[ 248.427194][ T9710] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 248.442818][ T9708] NILFS (loop1): recovery complete
[ 248.457694][ T9714] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9706] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9717 attached
<unfinished ...>
[pid 9716] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9717] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9716] <... mmap resumed>) = 0x20000000
[pid 9717] <... set_robust_list resumed>) = 0
[pid 9716] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9701] <... futex resumed>) = 0
[pid 9717] chdir("./192" <unfinished ...>
[pid 9716] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9717] <... chdir resumed>) = 0
[pid 9717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9717] setpgid(0, 0) = 0
[pid 9717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9717] write(3, "1000", 4 <unfinished ...>
[pid 9715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9717] <... write resumed>) = 4
[pid 5075] <... umount2 resumed>) = 0
[pid 9717] close(3 <unfinished ...>
[pid 9708] <... openat resumed>) = 4
[pid 9706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9717] <... close resumed>) = 0
[pid 9708] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 248.492834][ T9710] NILFS (loop2): trying rollback from an earlier position
[pid 9708] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9706] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9717] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9708] <... futex resumed>) = 0
[pid 9706] <... futex resumed>) = 1
[pid 9717] <... symlink resumed>) = 0
[pid 9708] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9706] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9717] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9717] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9717] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9718 attached
<unfinished ...>
[pid 9717] <... clone resumed>, parent_tid=[9718], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9718
[pid 9703] <... write resumed>) = 212992
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9718] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9717] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9703] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9701] exit_group(0 <unfinished ...>
[pid 5075] lstat("./194/file0", <unfinished ...>
[pid 9718] <... set_robust_list resumed>) = 0
[pid 9717] <... futex resumed>) = 0
[pid 9716] <... futex resumed>) = ?
[pid 9703] <... futex resumed>) = ?
[pid 9701] <... exit_group resumed>) = ?
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9718] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9717] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9716] +++ exited with 0 +++
[pid 9703] +++ exited with 0 +++
[pid 9701] +++ exited with 0 +++
[pid 5075] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9718] <... memfd_create resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9701, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 9718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9715] <... write resumed>) = 2097152
[pid 5075] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9718] <... mmap resumed>) = 0x7fe424ef8000
[pid 9715] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9715] <... munmap resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9715] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9715] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... openat resumed>) = 3
[pid 9715] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[ 248.582097][ T9710] NILFS (loop2): recovery complete
[pid 5073] fstat(3, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./194/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./194" <unfinished ...>
[pid 9710] <... mount resumed>) = 0
[pid 9706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9715] <... ioctl resumed>) = 0
[pid 9710] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9706] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] mkdir("./195", 0777 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9715] close(3 <unfinished ...>
[pid 9710] <... openat resumed>) = 3
[pid 9706] <... futex resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9715] <... close resumed>) = 0
[pid 9710] chdir("./file0" <unfinished ...>
[pid 9706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9715] mkdir("./file0", 0777 <unfinished ...>
[pid 9710] <... chdir resumed>) = 0
[pid 9706] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9715] <... mkdir resumed>) = 0
[pid 9710] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9706] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] lstat("./193/binderfs", <unfinished ...>
[pid 9715] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9710] <... ioctl resumed>) = 0
[pid 9706] <... mprotect resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9710] close(4 <unfinished ...>
[pid 9706] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9710] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9710] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9710] <... futex resumed>) = 1
[pid 9709] <... futex resumed>) = 0
[pid 9710] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9709] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9720
[pid 9710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9709] <... futex resumed>) = 0
[pid 9710] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9709] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] unlink("./193/binderfs" <unfinished ...>
[pid 9706] <... clone resumed>, parent_tid=[9721], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9721
[pid 5073] <... unlink resumed>) = 0
[pid 9706] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 248.610205][ T9715] loop0: detected capacity change from 0 to 4096
[ 248.619354][ T9719] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9706] <... futex resumed>) = 0
[pid 9706] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9710] <... openat resumed>) = 4
[pid 9710] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9709] <... futex resumed>) = 0
[pid 9710] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9709] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9709] <... futex resumed>) = 0
[pid 9710] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9709] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9720 attached
./strace-static-x86_64: Process 9721 attached
<unfinished ...>
[pid 9721] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9721] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9720] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9721] <... mmap resumed>) = 0x20000000
[pid 9721] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9706] <... futex resumed>) = 0
[pid 9721] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9720] <... set_robust_list resumed>) = 0
[pid 9720] chdir("./195") = 0
[pid 9720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9720] setpgid(0, 0) = 0
[pid 9720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9720] write(3, "1000", 4) = 4
[pid 9720] close(3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9720] <... close resumed>) = 0
[pid 9718] <... write resumed>) = 2097152
[pid 9709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9720] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9718] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[ 248.677862][ T9715] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 248.696560][ T9715] NILFS (loop0): trying rollback from an earlier position
[pid 9709] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9720] <... symlink resumed>) = 0
[pid 9718] <... munmap resumed>) = 0
[pid 9709] <... futex resumed>) = 0
[pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9720] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9718] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9715] <... mount resumed>) = 0
[pid 9709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9715] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9709] <... mmap resumed>) = 0x7fe4250d7000
[pid 9715] <... openat resumed>) = 3
[pid 9709] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9715] chdir("./file0" <unfinished ...>
[pid 9709] <... mprotect resumed>) = 0
[pid 9715] <... chdir resumed>) = 0
[pid 9709] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9720] <... futex resumed>) = 0
[pid 9718] <... openat resumed>) = 4
[pid 9715] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] lstat("./193/file0", <unfinished ...>
[pid 9720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9718] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9715] <... ioctl resumed>) = 0
[pid 9709] <... clone resumed>, parent_tid=[9723], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9723
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9720] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9715] close(4 <unfinished ...>
[pid 9709] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9723 attached
<unfinished ...>
[pid 9715] <... close resumed>) = 0
[pid 9709] <... futex resumed>) = 0
[pid 9723] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9715] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9709] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9723] <... set_robust_list resumed>) = 0
[pid 9715] <... futex resumed>) = 1
[pid 9713] <... futex resumed>) = 0
[pid 9723] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9715] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9713] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9723] <... mmap resumed>) = 0x20000000
[pid 9720] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9713] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9723] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9720] <... mprotect resumed>) = 0
[pid 9718] <... ioctl resumed>) = 0
[pid 9715] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9713] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9723] <... futex resumed>) = 1
[pid 9720] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9718] close(3 <unfinished ...>
[pid 9715] <... openat resumed>) = 4
[pid 9709] <... futex resumed>) = 0
[pid 9723] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9718] <... close resumed>) = 0
[pid 9715] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9708] <... write resumed>) = 286720
[pid 5073] <... openat resumed>) = 4
[pid 9720] <... clone resumed>, parent_tid=[9724], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9724
[pid 9718] mkdir("./file0", 0777 <unfinished ...>
[pid 9715] <... futex resumed>) = 1
[pid 9713] <... futex resumed>) = 0
[pid 9708] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9706] exit_group(0 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9721] <... futex resumed>) = ?
[pid 9720] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9718] <... mkdir resumed>) = 0
[pid 9715] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9713] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9708] <... futex resumed>) = ?
[pid 9706] <... exit_group resumed>) = ?
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9724 attached
[pid 9721] +++ exited with 0 +++
[pid 9720] <... futex resumed>) = 0
[pid 9718] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9713] <... futex resumed>) = 0
[pid 9708] +++ exited with 0 +++
[ 248.759214][ T9715] NILFS (loop0): recovery complete
[ 248.768769][ T9722] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 248.791096][ T9718] loop4: detected capacity change from 0 to 4096
[pid 9724] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9720] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9715] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9713] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9706] +++ exited with 0 +++
[pid 5073] getdents64(4, <unfinished ...>
[pid 9724] <... set_robust_list resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9706, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9724] memfd_create("syzkaller", 0) = 3
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9724] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] close(4 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] rmdir("./193/file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./190/binderfs" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 9724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[ 248.843544][ T9718] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 248.862249][ T9718] NILFS (loop4): trying rollback from an earlier position
[ 248.886934][ T9718] NILFS (loop4): recovery complete
[pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9718] <... mount resumed>) = 0
[pid 9713] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... close resumed>) = 0
[pid 9713] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9718] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9713] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] rmdir("./193" <unfinished ...>
[pid 9718] <... openat resumed>) = 3
[pid 9713] <... mprotect resumed>) = 0
[pid 9724] <... write resumed>) = 2097152
[pid 9718] chdir("./file0" <unfinished ...>
[pid 9713] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9718] <... chdir resumed>) = 0
[pid 5073] mkdir("./194", 0777 <unfinished ...>
[pid 9724] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9718] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9713] <... clone resumed>, parent_tid=[9726], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9726
[pid 9724] <... munmap resumed>) = 0
[pid 9718] <... ioctl resumed>) = 0
[pid 9713] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9724] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9718] close(4 <unfinished ...>
[pid 9713] <... futex resumed>) = 0
[pid 9710] <... write resumed>) = 356352
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 9726 attached
<unfinished ...>
[pid 9724] <... openat resumed>) = 4
[pid 9718] <... close resumed>) = 0
[pid 9713] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9710] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9726] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9724] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9718] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9710] <... futex resumed>) = 0
[pid 9709] exit_group(0 <unfinished ...>
[ 248.896711][ T9725] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9726] <... set_robust_list resumed>) = 0
[pid 9723] <... futex resumed>) = ?
[pid 9709] <... exit_group resumed>) = ?
[pid 9726] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9723] +++ exited with 0 +++
[pid 9726] <... mmap resumed>) = 0x20000000
[pid 9726] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9718] <... futex resumed>) = 1
[pid 9717] <... futex resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9726] <... futex resumed>) = 1
[pid 9718] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9717] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9713] <... futex resumed>) = 0
[pid 9710] +++ exited with 0 +++
[pid 9709] +++ exited with 0 +++
[pid 5073] close(3 <unfinished ...>
[pid 9726] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5073] <... close resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9709, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9717] <... futex resumed>) = 0
[pid 9718] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9718] <... openat resumed>) = 4
[pid 9717] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 9718] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9727
[pid 9718] <... futex resumed>) = 0
[pid 9717] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9718] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9717] <... futex resumed>) = 0
[pid 5072] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9717] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9727 attached
[pid 5072] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9727] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9727] <... set_robust_list resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9727] chdir("./194" <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9727] <... chdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9727] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9727] <... prctl resumed>) = 0
[pid 5072] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9727] setpgid(0, 0 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9727] <... setpgid resumed>) = 0
[pid 5072] lstat("./193/binderfs", <unfinished ...>
[pid 9727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9727] <... openat resumed>) = 3
[pid 5072] unlink("./193/binderfs" <unfinished ...>
[pid 5071] lstat("./190/file0", <unfinished ...>
[ 248.940767][ T9724] loop5: detected capacity change from 0 to 4096
[pid 9727] write(3, "1000", 4 <unfinished ...>
[pid 9724] <... ioctl resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9727] <... write resumed>) = 4
[pid 9724] close(3 <unfinished ...>
[pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9727] close(3 <unfinished ...>
[pid 9724] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9727] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9727] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 9727] <... symlink resumed>) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 9727] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9724] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9727] <... futex resumed>) = 0
[pid 9724] <... mkdir resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 9727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9724] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9727] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5071] getdents64(4, <unfinished ...>
[pid 9727] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9727] <... mprotect resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9727] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5071] rmdir("./190/file0" <unfinished ...>
[pid 9727] <... clone resumed>, parent_tid=[9728], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9728
[pid 9717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9715] <... write resumed>) = 188416
[pid 5071] <... rmdir resumed>) = 0
[pid 9727] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9717] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9715] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9713] exit_group(0 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9727] <... futex resumed>) = 0
[pid 9726] <... futex resumed>) = ?
[pid 9717] <... futex resumed>) = 0
[pid 9715] <... futex resumed>) = ?
[pid 9713] <... exit_group resumed>) = ?
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9727] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9726] +++ exited with 0 +++
[pid 9717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9715] +++ exited with 0 +++
[pid 9713] +++ exited with 0 +++
[pid 5071] close(3./strace-static-x86_64: Process 9728 attached
) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9713, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} ---
[pid 9728] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5071] rmdir("./190" <unfinished ...>
[pid 9728] <... set_robust_list resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9728] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] mkdir("./191", 0777 <unfinished ...>
[pid 9717] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9728] <... memfd_create resumed>) = 3
[pid 9717] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9728] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9717] <... mprotect resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9728] <... mmap resumed>) = 0x7fe424ef8000
[pid 9717] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... openat resumed>) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9717] <... clone resumed>, parent_tid=[9729], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9729
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9717] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9717] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9717] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9729 attached
) = -1 EINVAL (Invalid argument)
[pid 9729] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9730
[pid 5070] lstat("./190/binderfs", <unfinished ...>
[pid 9729] <... set_robust_list resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[ 249.034134][ T9724] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9729] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] unlink("./190/binderfs"./strace-static-x86_64: Process 9730 attached
<unfinished ...>
[pid 9729] <... mmap resumed>) = 0x20000000
[pid 5070] <... unlink resumed>) = 0
[pid 9729] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9729] <... futex resumed>) = 1
[pid 9717] <... futex resumed>) = 0
[pid 9730] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9729] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9730] <... set_robust_list resumed>) = 0
[pid 9730] chdir("./191" <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 9730] <... chdir resumed>) = 0
[pid 9728] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9730] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9730] <... prctl resumed>) = 0
[pid 5072] lstat("./193/file0", <unfinished ...>
[pid 9730] setpgid(0, 0 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9730] <... setpgid resumed>) = 0
[pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9730] <... openat resumed>) = 3
[pid 5072] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9730] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9730] <... write resumed>) = 4
[pid 9718] <... write resumed>) = 192512
[pid 5072] fstat(4, <unfinished ...>
[pid 9730] close(3 <unfinished ...>
[pid 9718] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9717] exit_group(0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9730] <... close resumed>) = 0
[pid 9729] <... futex resumed>) = ?
[pid 9718] <... futex resumed>) = ?
[pid 9717] <... exit_group resumed>) = ?
[pid 5072] getdents64(4, <unfinished ...>
[pid 9730] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9729] +++ exited with 0 +++
[pid 9718] +++ exited with 0 +++
[pid 9717] +++ exited with 0 +++
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 249.084868][ T9724] NILFS (loop5): trying rollback from an earlier position
[pid 9730] <... symlink resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9717, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 9730] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9730] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9730] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] rmdir("./193/file0" <unfinished ...>
[pid 9730] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9730] <... mprotect resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9730] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 249.145189][ T9724] NILFS (loop5): recovery complete
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9730] <... clone resumed>, parent_tid=[9732], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9732
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] lstat("./190/file0", <unfinished ...>
[pid 9730] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9724] <... mount resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9724] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9724] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9724] chdir("./file0" <unfinished ...>
[pid 5074] lstat("./192/binderfs", <unfinished ...>
[pid 9724] <... chdir resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
./strace-static-x86_64: Process 9732 attached
[pid 9724] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] unlink("./192/binderfs" <unfinished ...>
[pid 9732] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9724] <... ioctl resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 9732] <... set_robust_list resumed>) = 0
[pid 9724] close(4 <unfinished ...>
[pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9730] <... futex resumed>) = 0
[pid 9728] <... write resumed>) = 2097152
[pid 9724] <... close resumed>) = 0
[pid 5072] rmdir("./193" <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9730] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9728] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9724] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9728] <... munmap resumed>) = 0
[pid 5072] mkdir("./194", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9728] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9728] <... openat resumed>) = 4
[pid 9724] <... futex resumed>) = 1
[pid 9720] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9728] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9724] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9720] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] fstat(4, <unfinished ...>
[pid 9720] <... futex resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9728] <... ioctl resumed>) = 0
[pid 9720] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] getdents64(4, <unfinished ...>
[pid 9732] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9728] close(3 <unfinished ...>
[pid 9724] <... openat resumed>) = 4
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9732] <... memfd_create resumed>) = 3
[pid 9728] <... close resumed>) = 0
[pid 9724] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9728] mkdir("./file0", 0777 <unfinished ...>
[pid 9724] <... futex resumed>) = 1
[pid 9720] <... futex resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9732] <... mmap resumed>) = 0x7fe424ef8000
[pid 9728] <... mkdir resumed>) = 0
[pid 9724] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9720] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9728] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9720] <... futex resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9733
[pid 5070] <... close resumed>) = 0
[pid 9724] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9720] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] rmdir("./190/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./190") = 0
[pid 5070] mkdir("./191", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[ 249.168493][ T9731] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 249.190345][ T9728] loop3: detected capacity change from 0 to 4096
./strace-static-x86_64: Process 9733 attached
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9733] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9734
[pid 9733] chdir("./194") = 0
[pid 9733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9733] setpgid(0, 0) = 0
[pid 9733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9733] write(3, "1000", 4) = 4
[pid 9733] close(3./strace-static-x86_64: Process 9734 attached
) = 0
[pid 9733] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9734] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9733] <... symlink resumed>) = 0
[pid 9732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9720] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9733] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9720] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9734] <... set_robust_list resumed>) = 0
[pid 9733] <... futex resumed>) = 0
[pid 9720] <... futex resumed>) = 0
[pid 9734] chdir("./191" <unfinished ...>
[pid 9733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9733] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9720] <... mmap resumed>) = 0x7fe4250d7000
[pid 9734] <... chdir resumed>) = 0
[ 249.215896][ T9728] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9733] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9720] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9734] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9733] <... mprotect resumed>) = 0
[pid 9720] <... mprotect resumed>) = 0
[pid 9733] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9720] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9734] <... prctl resumed>) = 0
[pid 9733] <... clone resumed>, parent_tid=[9735], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9735
[pid 9720] <... clone resumed>, parent_tid=[9736], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9736
[pid 9734] setpgid(0, 0 <unfinished ...>
[pid 9733] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9720] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9734] <... setpgid resumed>) = 0
[pid 9733] <... futex resumed>) = 0
[pid 9720] <... futex resumed>) = 0
[pid 9733] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9720] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 9736 attached
[pid 9734] write(3, "1000", 4./strace-static-x86_64: Process 9735 attached
<unfinished ...>
[pid 9736] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9734] <... write resumed>) = 4
[pid 9736] <... set_robust_list resumed>) = 0
[pid 9735] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9734] close(3 <unfinished ...>
[pid 9736] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9735] <... set_robust_list resumed>) = 0
[pid 9734] <... close resumed>) = 0
[pid 9736] <... mmap resumed>) = 0x20000000
[pid 9735] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9734] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9736] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9735] <... memfd_create resumed>) = 3
[pid 9734] <... symlink resumed>) = 0
[pid 9736] <... futex resumed>) = 1
[pid 9735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9720] <... futex resumed>) = 0
[pid 9736] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9735] <... mmap resumed>) = 0x7fe424ef8000
[pid 9734] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9734] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9734] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9737], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9737
[pid 9734] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9734] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9737 attached
) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./192/file0", <unfinished ...>
[pid 9737] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9737] <... set_robust_list resumed>) = 0
[pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, <unfinished ...>
[pid 9737] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9732] <... write resumed>) = 2097152
[pid 9724] <... write resumed>) = 151552
[pid 9737] <... memfd_create resumed>) = 3
[pid 9732] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[ 249.264376][ T9728] NILFS (loop3): trying rollback from an earlier position
[pid 9724] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9732] <... munmap resumed>) = 0
[pid 9724] <... futex resumed>) = 0
[pid 9737] <... mmap resumed>) = 0x7fe424ef8000
[pid 9732] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9724] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9720] exit_group(0 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9736] <... futex resumed>) = ?
[pid 9732] <... openat resumed>) = 4
[pid 9724] <... futex resumed>) = ?
[pid 9720] <... exit_group resumed>) = ?
[pid 5074] getdents64(4, <unfinished ...>
[pid 9736] +++ exited with 0 +++
[pid 9735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9732] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9724] +++ exited with 0 +++
[pid 9720] +++ exited with 0 +++
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9720, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./192/file0" <unfinished ...>
[pid 5075] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(3, <unfinished ...>
[pid 9732] <... ioctl resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9732] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 9732] <... close resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9732] mkdir("./file0", 0777 <unfinished ...>
[pid 9728] <... mount resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] rmdir("./192" <unfinished ...>
[pid 5075] lstat("./195/binderfs", <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9732] <... mkdir resumed>) = 0
[pid 9728] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] mkdir("./193", 0777 <unfinished ...>
[pid 9732] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9728] <... openat resumed>) = 3
[ 249.349400][ T9732] loop1: detected capacity change from 0 to 4096
[ 249.356973][ T9728] NILFS (loop3): recovery complete
[ 249.373787][ T9738] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] unlink("./195/binderfs" <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9737] <... write resumed>) = 2097152
[pid 9735] <... write resumed>) = 2097152
[pid 9728] chdir("./file0" <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9737] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9735] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9728] <... chdir resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9737] <... munmap resumed>) = 0
[pid 9735] <... munmap resumed>) = 0
[pid 9728] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9737] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9735] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9728] <... ioctl resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9737] <... openat resumed>) = 4
[pid 9735] <... openat resumed>) = 4
[pid 9728] close(4 <unfinished ...>
[pid 5075] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9737] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9735] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9728] <... close resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 9728] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9728] <... futex resumed>) = 1
[pid 9727] <... futex resumed>) = 0
[pid 9735] <... ioctl resumed>) = 0
[pid 9728] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9727] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9739
[pid 9735] close(3 <unfinished ...>
[pid 9728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9727] <... futex resumed>) = 0
[pid 9735] <... close resumed>) = 0
[pid 9728] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9727] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9735] mkdir("./file0", 0777) = 0
[pid 9728] <... openat resumed>) = 4
[pid 9735] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9728] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9727] <... futex resumed>) = 0
[pid 9728] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9727] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9727] <... futex resumed>) = 0
[pid 9728] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9727] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9739 attached
<unfinished ...>
[pid 9737] <... ioctl resumed>) = 0
[pid 9739] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9737] close(3 <unfinished ...>
[pid 9739] <... set_robust_list resumed>) = 0
[pid 9737] <... close resumed>) = 0
[pid 9737] mkdir("./file0", 0777 <unfinished ...>
[pid 9739] chdir("./193" <unfinished ...>
[pid 9737] <... mkdir resumed>) = 0
[pid 9739] <... chdir resumed>) = 0
[pid 9737] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 249.396545][ T9732] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 249.404793][ T9732] NILFS (loop1): trying rollback from an earlier position
[ 249.414007][ T9735] loop2: detected capacity change from 0 to 4096
[ 249.420850][ T9737] loop0: detected capacity change from 0 to 4096
[pid 9739] setpgid(0, 0) = 0
[pid 9727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... umount2 resumed>) = 0
[pid 9732] <... mount resumed>) = 0
[pid 9739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9727] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9739] <... openat resumed>) = 3
[pid 9727] <... futex resumed>) = 0
[pid 9739] write(3, "1000", 4 <unfinished ...>
[pid 9732] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9739] <... write resumed>) = 4
[pid 9739] close(3 <unfinished ...>
[pid 9732] <... openat resumed>) = 3
[pid 9727] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] lstat("./195/file0", <unfinished ...>
[pid 9739] <... close resumed>) = 0
[pid 9732] chdir("./file0" <unfinished ...>
[pid 9727] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9739] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9727] <... mprotect resumed>) = 0
[pid 9739] <... symlink resumed>) = 0
[pid 9732] <... chdir resumed>) = 0
[pid 9727] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9739] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9732] ioctl(4, LOOP_CLR_FD <unfinished ...>
[ 249.473878][ T9732] NILFS (loop1): recovery complete
[ 249.475935][ T9735] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 249.507643][ T9740] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9739] <... futex resumed>) = 0
[pid 9732] <... ioctl resumed>) = 0
[pid 9727] <... clone resumed>, parent_tid=[9741], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9741
[pid 5075] <... openat resumed>) = 4
[pid 9739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9732] close(4 <unfinished ...>
[pid 9727] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(4, ./strace-static-x86_64: Process 9741 attached
<unfinished ...>
[pid 9741] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9741] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9739] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9732] <... close resumed>) = 0
[pid 9727] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9741] <... mmap resumed>) = 0x20000000
[pid 9727] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9732] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9739] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9741] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9741] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9739] <... mprotect resumed>) = 0
[pid 9732] <... futex resumed>) = 1
[pid 9730] <... futex resumed>) = 0
[pid 9727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9739] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9732] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9730] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9730] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9739] <... clone resumed>, parent_tid=[9742], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9742
[ 249.533266][ T9737] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 249.553932][ T9735] NILFS (loop2): trying rollback from an earlier position
[ 249.560450][ T9737] NILFS (loop0): trying rollback from an earlier position
[pid 9730] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(4./strace-static-x86_64: Process 9742 attached
<unfinished ...>
[pid 9739] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9732] <... openat resumed>) = 4
[pid 5075] <... close resumed>) = 0
[pid 9742] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9739] <... futex resumed>) = 0
[pid 9732] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] rmdir("./195/file0" <unfinished ...>
[pid 9742] <... set_robust_list resumed>) = 0
[pid 9739] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9742] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9732] <... futex resumed>) = 1
[pid 9730] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 9742] <... memfd_create resumed>) = 3
[pid 9732] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9730] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9742] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... close resumed>) = 0
[pid 9730] <... futex resumed>) = 0
[ 249.588970][ T9737] NILFS (loop0): recovery complete
[ 249.594788][ T9735] NILFS (loop2): recovery complete
[pid 5075] rmdir("./195" <unfinished ...>
[pid 9737] <... mount resumed>) = 0
[pid 9730] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9737] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9735] <... mount resumed>) = 0
[pid 5075] mkdir("./196", 0777 <unfinished ...>
[pid 9737] <... openat resumed>) = 3
[pid 9735] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9737] chdir("./file0" <unfinished ...>
[pid 9735] <... openat resumed>) = 3
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9737] <... chdir resumed>) = 0
[pid 9735] chdir("./file0" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9737] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9735] <... chdir resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9737] <... ioctl resumed>) = 0
[pid 9735] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9737] close(4 <unfinished ...>
[pid 9735] <... ioctl resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9737] <... close resumed>) = 0
[pid 9735] close(4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9745
[pid 9735] <... close resumed>) = 0
[pid 9737] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9735] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9742] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9737] <... futex resumed>) = 1
[pid 9735] <... futex resumed>) = 1
[pid 9734] <... futex resumed>) = 0
[pid 9733] <... futex resumed>) = 0
[pid 9737] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9735] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9734] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9733] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9745 attached
<unfinished ...>
[pid 9737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9734] <... futex resumed>) = 0
[pid 9733] <... futex resumed>) = 0
[pid 9745] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9737] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9735] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9734] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 249.630326][ T9743] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 249.642953][ T9744] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9733] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9745] <... set_robust_list resumed>) = 0
[pid 9730] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9730] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9737] <... openat resumed>) = 4
[pid 9730] <... futex resumed>) = 0
[pid 9745] chdir("./196" <unfinished ...>
[pid 9737] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9735] <... openat resumed>) = 4
[pid 9730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9745] <... chdir resumed>) = 0
[pid 9737] <... futex resumed>) = 1
[pid 9735] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9734] <... futex resumed>) = 0
[pid 9730] <... mmap resumed>) = 0x7fe4250d7000
[pid 9745] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9737] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9735] <... futex resumed>) = 1
[pid 9734] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9733] <... futex resumed>) = 0
[pid 9730] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9745] <... prctl resumed>) = 0
[pid 9737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9735] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9734] <... futex resumed>) = 0
[pid 9733] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9730] <... mprotect resumed>) = 0
[pid 9745] setpgid(0, 0 <unfinished ...>
[pid 9737] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9734] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9733] <... futex resumed>) = 0
[pid 9730] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9745] <... setpgid resumed>) = 0
[pid 9735] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9733] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9728] <... write resumed>) = 344064
[pid 9728] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9727] exit_group(0 <unfinished ...>
[pid 9745] <... openat resumed>) = 3
[pid 9741] <... futex resumed>) = ?
[pid 9730] <... clone resumed>, parent_tid=[9746], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9746
[pid 9727] <... exit_group resumed>) = ?
[pid 9745] write(3, "1000", 4 <unfinished ...>
[pid 9741] +++ exited with 0 +++
[pid 9730] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9728] +++ exited with 0 +++
[pid 9727] +++ exited with 0 +++
[pid 9745] <... write resumed>) = 4
[pid 9730] <... futex resumed>) = 0
[pid 9745] close(3 <unfinished ...>
[pid 9730] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9727, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9745] <... close resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9745] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 9746 attached
[pid 9745] <... symlink resumed>) = 0
[pid 9746] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9745] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9746] <... set_robust_list resumed>) = 0
[pid 9745] <... futex resumed>) = 0
[pid 9742] <... write resumed>) = 2097152
[pid 5073] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9746] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9745] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5073] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9745] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9745] <... mprotect resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 9745] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9746] <... mmap resumed>) = 0x20000000
[pid 5073] getdents64(3, ./strace-static-x86_64: Process 9747 attached
<unfinished ...>
[pid 9746] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9745] <... clone resumed>, parent_tid=[9747], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9747
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9747] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9746] <... futex resumed>) = 1
[pid 9745] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9742] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9730] <... futex resumed>) = 0
[pid 5073] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9747] <... set_robust_list resumed>) = 0
[pid 9746] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9745] <... futex resumed>) = 0
[pid 9742] <... munmap resumed>) = 0
[pid 9734] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9747] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9745] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9742] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9734] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] lstat("./194/binderfs", <unfinished ...>
[pid 9747] <... memfd_create resumed>) = 3
[pid 9742] <... openat resumed>) = 4
[pid 9734] <... futex resumed>) = 0
[pid 9733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9742] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9733] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] unlink("./194/binderfs" <unfinished ...>
[pid 9747] <... mmap resumed>) = 0x7fe424ef8000
[pid 9742] <... ioctl resumed>) = 0
[pid 9734] <... mmap resumed>) = 0x7fe4250d7000
[pid 9733] <... futex resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9734] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9734] <... mprotect resumed>) = 0
[pid 9733] <... mmap resumed>) = 0x7fe4250d7000
[pid 9734] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9733] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9734] <... clone resumed>, parent_tid=[9748], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9748
[pid 9733] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9734] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9733] <... clone resumed>, parent_tid=[9749], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9749
[pid 9742] close(3 <unfinished ...>
[pid 9734] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9733] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9748 attached
<unfinished ...>
[pid 9742] <... close resumed>) = 0
[pid 9733] <... futex resumed>) = 0
./strace-static-x86_64: Process 9749 attached
[pid 9748] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9742] mkdir("./file0", 0777 <unfinished ...>
[pid 9733] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9749] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9748] <... set_robust_list resumed>) = 0
[pid 9747] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9742] <... mkdir resumed>) = 0
[pid 9749] <... set_robust_list resumed>) = 0
[ 249.789603][ T9742] loop4: detected capacity change from 0 to 4096
[pid 9748] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9742] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9749] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9748] <... mmap resumed>) = 0x20000000
[pid 9749] <... mmap resumed>) = 0x20000000
[pid 9748] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9749] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9748] <... futex resumed>) = 0
[pid 9747] <... write resumed>) = 2097152
[pid 9734] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9749] <... futex resumed>) = 0
[pid 9748] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9747] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9749] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9747] <... munmap resumed>) = 0
[pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9747] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9747] <... openat resumed>) = 4
[pid 5073] lstat("./194/file0", <unfinished ...>
[pid 9747] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9747] <... ioctl resumed>) = 0
[pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9747] close(3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9747] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9747] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9747] <... mkdir resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 9747] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 5073] rmdir("./194/file0") = 0
[ 249.905533][ T9747] loop5: detected capacity change from 0 to 4096
[ 249.907607][ T9742] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 249.944789][ T9747] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9737] <... write resumed>) = 356352
[pid 5073] close(3 <unfinished ...>
[pid 9737] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9737] <... futex resumed>) = 0
[pid 5073] rmdir("./194" <unfinished ...>
[pid 9737] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9734] exit_group(0 <unfinished ...>
[pid 9748] <... futex resumed>) = ?
[pid 9737] <... futex resumed>) = ?
[pid 9734] <... exit_group resumed>) = ?
[pid 5073] <... rmdir resumed>) = 0
[pid 9748] +++ exited with 0 +++
[pid 9737] +++ exited with 0 +++
[pid 9734] +++ exited with 0 +++
[pid 9732] <... write resumed>) = 491520
[pid 5073] mkdir("./195", 0777 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9734, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9747] <... mount resumed>) = 0
[pid 9735] <... write resumed>) = 348160
[pid 9732] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9730] exit_group(0 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9747] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9747] chdir("./file0") = 0
[ 249.959326][ T9747] NILFS (loop5): trying rollback from an earlier position
[ 249.980932][ T9747] NILFS (loop5): recovery complete
[ 249.982141][ T9742] NILFS (loop4): trying rollback from an earlier position
[ 249.998190][ T9750] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9747] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9746] <... futex resumed>) = ?
[pid 9735] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9733] exit_group(0 <unfinished ...>
[pid 9732] <... futex resumed>) = ?
[pid 9730] <... exit_group resumed>) = ?
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9749] <... futex resumed>) = ?
[pid 9747] <... ioctl resumed>) = 0
[pid 9746] +++ exited with 0 +++
[pid 9735] <... futex resumed>) = ?
[pid 9733] <... exit_group resumed>) = ?
[pid 9732] +++ exited with 0 +++
[pid 9730] +++ exited with 0 +++
[pid 5073] <... openat resumed>) = 3
[pid 9749] +++ exited with 0 +++
[pid 9735] +++ exited with 0 +++
[pid 9733] +++ exited with 0 +++
[pid 9747] close(4 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9730, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9747] <... close resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9733, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5073] close(3 <unfinished ...>
[pid 5070] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9751
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] lstat("./191/binderfs", <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] unlink("./191/binderfs" <unfinished ...>
[pid 9747] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... unlink resumed>) = 0
[pid 9747] <... futex resumed>) = 1
[pid 9745] <... futex resumed>) = 0
[pid 5072] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9747] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9745] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9745] <... futex resumed>) = 0
[ 250.012708][ T9742] NILFS (loop4): recovery complete
[pid 5072] lstat("./194/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9745] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9742] <... mount resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] unlink("./194/binderfs" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5072] <... unlink resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./191/binderfs") = 0
[pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9751 attached
<unfinished ...>
[pid 9742] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9742] chdir("./file0") = 0
[pid 9742] ioctl(4, LOOP_CLR_FD) = 0
[pid 9742] close(4 <unfinished ...>
[pid 9751] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9747] <... openat resumed>) = 4
[pid 9742] <... close resumed>) = 0
[pid 9751] <... set_robust_list resumed>) = 0
[pid 9751] chdir("./195") = 0
[pid 9747] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9742] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9742] <... futex resumed>) = 1
[pid 9751] setpgid(0, 0 <unfinished ...>
[pid 9747] <... futex resumed>) = 1
[pid 9745] <... futex resumed>) = 0
[pid 9739] <... futex resumed>) = 0
[pid 9751] <... setpgid resumed>) = 0
[pid 9747] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9745] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9742] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9739] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9745] <... futex resumed>) = 0
[pid 9751] <... openat resumed>) = 3
[pid 9745] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9751] write(3, "1000", 4 <unfinished ...>
[pid 9739] <... futex resumed>) = 0
[pid 9751] <... write resumed>) = 4
[pid 9739] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9751] close(3) = 0
[pid 9751] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9751] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9751] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9751] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9753], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9753
[pid 9751] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9751] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9753 attached
<unfinished ...>
[pid 9753] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9753] memfd_create("syzkaller", 0) = 3
[pid 9753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 250.036395][ T9752] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9742] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 5070] <... umount2 resumed>) = 0
[pid 9742] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9739] <... futex resumed>) = 0
[pid 9742] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9739] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9739] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9745] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9745] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9742] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5072] <... umount2 resumed>) = 0
[pid 9745] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9745] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9754], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9754
[pid 5070] lstat("./191/file0", <unfinished ...>
[pid 9745] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9745] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] lstat("./191/file0", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9754 attached
<unfinished ...>
[pid 9753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9754] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] lstat("./194/file0", <unfinished ...>
[pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 4
[pid 9754] <... set_robust_list resumed>) = 0
[pid 9739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5072] <... openat resumed>) = 4
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9754] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9739] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 9754] <... mmap resumed>) = 0x20000000
[pid 9739] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5071] rmdir("./191/file0" <unfinished ...>
[pid 9739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9754] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./194/file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9754] <... futex resumed>) = 1
[pid 9745] <... futex resumed>) = 0
[pid 9739] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9754] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9739] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5071] rmdir("./191" <unfinished ...>
[pid 9739] <... mprotect resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9739] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] rmdir("./194" <unfinished ...>
[pid 5071] mkdir("./192", 0777 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9739] <... clone resumed>, parent_tid=[9755], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9755
[pid 5072] mkdir("./195", 0777 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9739] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... close resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] rmdir("./191/file0" <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... close resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9756
[pid 5070] close(3) = 0
[pid 9739] <... futex resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9757
[pid 5070] rmdir("./191" <unfinished ...>
[pid 9739] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9756 attached
[pid 5070] mkdir("./192", 0777 <unfinished ...>
[pid 9756] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9756] <... set_robust_list resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9756] chdir("./192" <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9756] <... chdir resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9756] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9756] <... prctl resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9756] setpgid(0, 0 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9756] <... setpgid resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 9757 attached
) = 3
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9758
[pid 9756] write(3, "1000", 4) = 4
[pid 9756] close(3./strace-static-x86_64: Process 9755 attached
<unfinished ...>
[pid 9757] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9756] <... close resumed>) = 0
[pid 9753] <... write resumed>) = 2097152
[pid 9756] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 9758 attached
<unfinished ...>
[pid 9757] <... set_robust_list resumed>) = 0
[pid 9756] <... symlink resumed>) = 0
[pid 9755] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9758] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9757] chdir("./195" <unfinished ...>
[pid 9756] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9755] <... set_robust_list resumed>) = 0
[pid 9758] <... set_robust_list resumed>) = 0
[pid 9756] <... futex resumed>) = 0
[pid 9758] chdir("./192" <unfinished ...>
[pid 9757] <... chdir resumed>) = 0
[pid 9756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9755] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9758] <... chdir resumed>) = 0
[pid 9757] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9756] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9755] <... mmap resumed>) = 0x20000000
[pid 9758] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9757] <... prctl resumed>) = 0
[pid 9756] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9755] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9758] <... prctl resumed>) = 0
[pid 9757] setpgid(0, 0 <unfinished ...>
[pid 9756] <... mprotect resumed>) = 0
[pid 9753] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9758] setpgid(0, 0 <unfinished ...>
[pid 9757] <... setpgid resumed>) = 0
[pid 9756] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9755] <... futex resumed>) = 1
[pid 9753] <... munmap resumed>) = 0
[pid 9739] <... futex resumed>) = 0
[pid 9758] <... setpgid resumed>) = 0
[pid 9753] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9756] <... clone resumed>, parent_tid=[9759], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9759
[pid 9753] <... openat resumed>) = 4
[pid 9758] <... openat resumed>) = 3
[pid 9757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9756] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9755] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9753] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9747] <... write resumed>) = 282624
[pid 9758] write(3, "1000", 4 <unfinished ...>
[pid 9757] <... openat resumed>) = 3
[pid 9756] <... futex resumed>) = 0
[pid 9747] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9758] <... write resumed>) = 4
[pid 9757] write(3, "1000", 4 <unfinished ...>
[pid 9756] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9747] <... futex resumed>) = 0
[pid 9758] close(3 <unfinished ...>
[pid 9757] <... write resumed>) = 4
[pid 9747] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9758] <... close resumed>) = 0
[pid 9757] close(3 <unfinished ...>
[pid 9745] exit_group(0./strace-static-x86_64: Process 9759 attached
<unfinished ...>
[pid 9758] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9757] <... close resumed>) = 0
[pid 9754] <... futex resumed>) = ?
[pid 9747] <... futex resumed>) = ?
[pid 9745] <... exit_group resumed>) = ?
[pid 9759] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9758] <... symlink resumed>) = 0
[pid 9757] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9754] +++ exited with 0 +++
[pid 9759] <... set_robust_list resumed>) = 0
[pid 9758] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9759] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9758] <... futex resumed>) = 0
[pid 9747] +++ exited with 0 +++
[pid 9745] +++ exited with 0 +++
[pid 9759] <... memfd_create resumed>) = 3
[pid 9758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9757] <... symlink resumed>) = 0
[pid 9753] <... ioctl resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9745, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9758] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9757] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9753] close(3 <unfinished ...>
[pid 9759] <... mmap resumed>) = 0x7fe424ef8000
[pid 9758] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9757] <... futex resumed>) = 0
[pid 9753] <... close resumed>) = 0
[pid 9758] <... mprotect resumed>) = 0
[pid 9757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9753] mkdir("./file0", 0777 <unfinished ...>
[pid 9758] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9757] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9753] <... mkdir resumed>) = 0
[pid 9757] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9753] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9758] <... clone resumed>, parent_tid=[9760], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9760
[pid 9757] <... mprotect resumed>) = 0
[pid 5075] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9758] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9757] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9758] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9758] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5075] fstat(3, ./strace-static-x86_64: Process 9760 attached
<unfinished ...>
[pid 9757] <... clone resumed>, parent_tid=[9761], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9761
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9760] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9757] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 250.293809][ T9753] loop3: detected capacity change from 0 to 4096
[pid 5075] getdents64(3, ./strace-static-x86_64: Process 9761 attached
<unfinished ...>
[pid 9760] <... set_robust_list resumed>) = 0
[pid 9757] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9760] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9760] <... memfd_create resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] lstat("./196/binderfs", <unfinished ...>
[pid 9760] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9761] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9757] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] unlink("./196/binderfs") = 0
[pid 5075] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9761] <... set_robust_list resumed>) = 0
[pid 9761] memfd_create("syzkaller", 0) = 3
[pid 9761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 250.339968][ T9753] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9742] <... write resumed>) = 389120
[pid 9742] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9739] exit_group(0 <unfinished ...>
[pid 9742] ???( <unfinished ...>
[pid 9739] <... exit_group resumed>) = ?
[pid 9755] <... futex resumed>) = ?
[pid 9742] <... ??? resumed>) = ?
[pid 9755] +++ exited with 0 +++
[pid 9742] +++ exited with 0 +++
[pid 9739] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9739, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5074] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./193/binderfs", <unfinished ...>
[pid 9761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./193/binderfs") = 0
[pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5075] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9759] <... write resumed>) = 2097152
[pid 9759] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./196/file0" <unfinished ...>
[pid 9759] <... munmap resumed>) = 0
[pid 9759] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[ 250.400848][ T9753] NILFS (loop3): trying rollback from an earlier position
[pid 9759] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./196") = 0
[pid 5075] mkdir("./197", 0777) = 0
[pid 9761] <... write resumed>) = 2097152
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9761] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9761] <... munmap resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9761] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] close(3) = 0
[pid 9759] <... ioctl resumed>) = 0
[pid 9759] close(3) = 0
[pid 9759] mkdir("./file0", 0777 <unfinished ...>
[pid 9760] <... write resumed>) = 2097152
[pid 9759] <... mkdir resumed>) = 0
[pid 9760] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9759] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9760] <... munmap resumed>) = 0
[pid 9760] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9761] <... openat resumed>) = 4
[pid 9760] <... openat resumed>) = 4
[pid 9760] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9761] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9763
[ 250.462168][ T9759] loop1: detected capacity change from 0 to 4096
[ 250.468931][ T9753] NILFS (loop3): recovery complete
[ 250.500259][ T9760] loop0: detected capacity change from 0 to 4096
./strace-static-x86_64: Process 9763 attached
[pid 9763] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9763] chdir("./197") = 0
[pid 9763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9761] <... ioctl resumed>) = 0
[pid 9753] <... mount resumed>) = 0
[pid 9763] setpgid(0, 0 <unfinished ...>
[pid 9753] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9763] <... setpgid resumed>) = 0
[pid 9753] <... openat resumed>) = 3
[pid 9763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9753] chdir("./file0" <unfinished ...>
[pid 9763] <... openat resumed>) = 3
[pid 9753] <... chdir resumed>) = 0
[pid 9763] write(3, "1000", 4 <unfinished ...>
[pid 9753] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9763] <... write resumed>) = 4
[pid 9753] <... ioctl resumed>) = 0
[pid 9763] close(3 <unfinished ...>
[pid 9753] close(4 <unfinished ...>
[pid 9763] <... close resumed>) = 0
[pid 9753] <... close resumed>) = 0
[pid 9763] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9761] close(3 <unfinished ...>
[pid 9753] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9763] <... symlink resumed>) = 0
[pid 9753] <... futex resumed>) = 1
[pid 9751] <... futex resumed>) = 0
[pid 9763] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9753] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9751] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9763] <... futex resumed>) = 0
[pid 9760] <... ioctl resumed>) = 0
[pid 9753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9751] <... futex resumed>) = 0
[pid 9763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9760] close(3 <unfinished ...>
[pid 9753] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9751] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9763] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9761] <... close resumed>) = 0
[pid 9760] <... close resumed>) = 0
[pid 9763] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9761] mkdir("./file0", 0777 <unfinished ...>
[pid 9760] mkdir("./file0", 0777 <unfinished ...>
[pid 9763] <... mprotect resumed>) = 0
[pid 9761] <... mkdir resumed>) = 0
[pid 9760] <... mkdir resumed>) = 0
[pid 9763] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9760] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9761] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9763] <... clone resumed>, parent_tid=[9764], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9764
[ 250.507858][ T9761] loop2: detected capacity change from 0 to 4096
[ 250.514505][ T9762] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 250.528284][ T9759] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 250.550706][ T9759] NILFS (loop1): trying rollback from an earlier position
[pid 9763] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9763] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9764 attached
<unfinished ...>
[pid 9764] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9764] memfd_create("syzkaller", 0) = 3
[pid 9764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./193/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9753] <... openat resumed>) = 4
[pid 9753] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9753] <... futex resumed>) = 0
[pid 9751] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 250.568405][ T9760] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 250.579913][ T9761] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9753] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9751] <... futex resumed>) = 0
[pid 9764] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9751] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./193/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./193") = 0
[pid 5074] mkdir("./194", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9751] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9766
[pid 9751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9751] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9751] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9767], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9767
[pid 9751] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9751] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9767 attached
<unfinished ...>
[ 250.610811][ T9761] NILFS (loop2): trying rollback from an earlier position
[ 250.623380][ T9760] NILFS (loop0): trying rollback from an earlier position
[ 250.633367][ T9759] NILFS (loop1): recovery complete
[pid 9767] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9767] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0./strace-static-x86_64: Process 9766 attached
) = 0x20000000
[pid 9766] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9759] <... mount resumed>) = 0
[pid 9767] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9766] <... set_robust_list resumed>) = 0
[pid 9764] <... write resumed>) = 2097152
[pid 9759] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9759] chdir("./file0") = 0
[pid 9766] chdir("./194" <unfinished ...>
[pid 9759] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9766] <... chdir resumed>) = 0
[pid 9759] <... ioctl resumed>) = 0
[pid 9759] close(4 <unfinished ...>
[ 250.687361][ T9761] NILFS (loop2): recovery complete
[ 250.698470][ T9765] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 250.700306][ T9760] NILFS (loop0): recovery complete
[pid 9767] <... futex resumed>) = 1
[pid 9766] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9764] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9759] <... close resumed>) = 0
[pid 9751] <... futex resumed>) = 0
[pid 9767] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9766] <... prctl resumed>) = 0
[pid 9764] <... munmap resumed>) = 0
[pid 9761] <... mount resumed>) = 0
[pid 9760] <... mount resumed>) = 0
[pid 9759] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9753] <... write resumed>) = 192512
[pid 9766] setpgid(0, 0 <unfinished ...>
[pid 9764] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9761] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9760] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9759] <... futex resumed>) = 1
[pid 9756] <... futex resumed>) = 0
[pid 9753] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9766] <... setpgid resumed>) = 0
[pid 9764] <... openat resumed>) = 4
[pid 9761] <... openat resumed>) = 3
[pid 9760] <... openat resumed>) = 3
[pid 9759] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9756] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9753] <... futex resumed>) = 0
[pid 9766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9764] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9761] chdir("./file0" <unfinished ...>
[pid 9760] chdir("./file0" <unfinished ...>
[pid 9759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9756] <... futex resumed>) = 0
[pid 9753] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9751] exit_group(0 <unfinished ...>
[pid 9766] <... openat resumed>) = 3
[pid 9761] <... chdir resumed>) = 0
[pid 9760] <... chdir resumed>) = 0
[pid 9759] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9756] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9761] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9760] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9761] <... ioctl resumed>) = 0
[pid 9760] <... ioctl resumed>) = 0
[pid 9761] close(4 <unfinished ...>
[pid 9760] close(4 <unfinished ...>
[pid 9761] <... close resumed>) = 0
[pid 9760] <... close resumed>) = 0
[pid 9761] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9760] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9761] <... futex resumed>) = 1
[pid 9760] <... futex resumed>) = 1
[pid 9758] <... futex resumed>) = 0
[pid 9761] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9760] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9758] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9758] <... futex resumed>) = 0
[pid 9760] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9758] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9767] <... futex resumed>) = ?
[pid 9757] <... futex resumed>) = 0
[pid 9753] <... futex resumed>) = ?
[pid 9751] <... exit_group resumed>) = ?
[pid 9767] +++ exited with 0 +++
[pid 9766] write(3, "1000", 4 <unfinished ...>
[pid 9760] <... openat resumed>) = 4
[pid 9759] <... openat resumed>) = 4
[pid 9757] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9753] +++ exited with 0 +++
[pid 9760] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9759] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9760] <... futex resumed>) = 1
[pid 9759] <... futex resumed>) = 1
[pid 9758] <... futex resumed>) = 0
[pid 9756] <... futex resumed>) = 0
[pid 9760] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9759] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9758] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9756] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9766] <... write resumed>) = 4
[pid 9761] <... futex resumed>) = 0
[pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9758] <... futex resumed>) = 0
[pid 9757] <... futex resumed>) = 1
[pid 9756] <... futex resumed>) = 0
[pid 9751] +++ exited with 0 +++
[pid 9766] close(3 <unfinished ...>
[pid 9761] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9760] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9759] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9758] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9757] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9756] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9751, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 9766] <... close resumed>) = 0
[pid 9764] <... ioctl resumed>) = 0
[pid 9761] <... openat resumed>) = 4
[pid 9766] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9764] close(3 <unfinished ...>
[pid 9761] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 250.727712][ T9769] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 250.729330][ T9768] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 250.766111][ T9764] loop5: detected capacity change from 0 to 4096
[pid 9766] <... symlink resumed>) = 0
[pid 9764] <... close resumed>) = 0
[pid 9761] <... futex resumed>) = 1
[pid 9757] <... futex resumed>) = 0
[pid 9766] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9764] mkdir("./file0", 0777 <unfinished ...>
[pid 9761] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9757] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9766] <... futex resumed>) = 0
[pid 9764] <... mkdir resumed>) = 0
[pid 9761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9757] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9764] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9766] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9757] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9766] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9761] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9766] <... mprotect resumed>) = 0
[pid 9766] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9770], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9770
[pid 9766] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9766] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9770 attached
<unfinished ...>
[pid 9770] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9770] memfd_create("syzkaller", 0) = 3
[pid 9770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9770] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9758] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9756] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9758] <... futex resumed>) = 0
[pid 9756] <... futex resumed>) = 0
[pid 5073] lstat("./195/binderfs", <unfinished ...>
[pid 9758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9758] <... mmap resumed>) = 0x7fe4250d7000
[pid 9756] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] unlink("./195/binderfs" <unfinished ...>
[pid 9758] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9756] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9758] <... mprotect resumed>) = 0
[pid 9756] <... mprotect resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9758] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9756] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9758] <... clone resumed>, parent_tid=[9771], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9771
[pid 9757] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9756] <... clone resumed>, parent_tid=[9772], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9772
./strace-static-x86_64: Process 9772 attached
[pid 9758] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9757] <... futex resumed>) = 0
[pid 9756] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9771 attached
<unfinished ...>
[pid 9772] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9758] <... futex resumed>) = 0
[pid 9757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9756] <... futex resumed>) = 0
[pid 9772] <... set_robust_list resumed>) = 0
[pid 9771] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9758] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9757] <... mmap resumed>) = 0x7fe4250d7000
[pid 9756] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9772] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9771] <... set_robust_list resumed>) = 0
[pid 9757] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[ 250.835784][ T9764] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 250.875419][ T9764] NILFS (loop5): trying rollback from an earlier position
[pid 9771] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9757] <... mprotect resumed>) = 0
[pid 9772] <... mmap resumed>) = 0x20000000
[pid 9771] <... mmap resumed>) = 0x20000000
[pid 9757] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9772] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9771] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9772] <... futex resumed>) = 1
[pid 9771] <... futex resumed>) = 1
[pid 9758] <... futex resumed>) = 0
[pid 9757] <... clone resumed>, parent_tid=[9773], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9773
[pid 9756] <... futex resumed>) = 0
./strace-static-x86_64: Process 9773 attached
[pid 9772] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9771] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9757] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9773] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9757] <... futex resumed>) = 0
[pid 9773] <... set_robust_list resumed>) = 0
[pid 9770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9757] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9773] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9759] <... write resumed>) = 118784
[pid 9759] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9756] exit_group(0 <unfinished ...>
[pid 9773] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9772] <... futex resumed>) = ?
[pid 9759] <... futex resumed>) = ?
[pid 9756] <... exit_group resumed>) = ?
[pid 9773] <... futex resumed>) = 1
[pid 9772] +++ exited with 0 +++
[pid 9759] +++ exited with 0 +++
[pid 9757] <... futex resumed>) = 0
[pid 9773] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9756] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9756, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5071] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 250.947784][ T9764] NILFS (loop5): recovery complete
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9764] <... mount resumed>) = 0
[pid 9761] <... write resumed>) = 339968
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] lstat("./192/binderfs", <unfinished ...>
[pid 9764] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9761] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9757] exit_group(0 <unfinished ...>
[pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9773] <... futex resumed>) = ?
[pid 9764] <... openat resumed>) = 3
[pid 9761] <... futex resumed>) = ?
[pid 9760] <... write resumed>) = 266240
[pid 9757] <... exit_group resumed>) = ?
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] unlink("./192/binderfs" <unfinished ...>
[pid 9773] +++ exited with 0 +++
[pid 9764] chdir("./file0" <unfinished ...>
[pid 9761] +++ exited with 0 +++
[pid 9760] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9758] exit_group(0 <unfinished ...>
[pid 9771] <... futex resumed>) = ?
[pid 9758] <... exit_group resumed>) = ?
[pid 9771] +++ exited with 0 +++
[pid 9764] <... chdir resumed>) = 0
[pid 9760] <... futex resumed>) = ?
[pid 9757] +++ exited with 0 +++
[pid 5073] lstat("./195/file0", <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9764] ioctl(4, LOOP_CLR_FD) = 0
[pid 9760] +++ exited with 0 +++
[pid 9758] +++ exited with 0 +++
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9757, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9764] close(4 <unfinished ...>
[pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9758, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9770] <... write resumed>) = 2097152
[pid 9764] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9770] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9764] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9770] <... munmap resumed>) = 0
[pid 9770] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9764] <... futex resumed>) = 1
[pid 9763] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9770] <... openat resumed>) = 4
[pid 9764] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9763] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9770] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9763] <... futex resumed>) = 0
[ 250.991104][ T9774] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9764] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9763] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... openat resumed>) = 3
[pid 5073] getdents64(4, <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 9764] <... openat resumed>) = 4
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9764] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9764] <... futex resumed>) = 1
[pid 9763] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 9764] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9763] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./195/file0" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9763] <... futex resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9764] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9763] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] lstat("./195/binderfs", <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5072] unlink("./195/binderfs" <unfinished ...>
[pid 5073] rmdir("./195" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... unlink resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] mkdir("./196", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./192/binderfs", <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./192/binderfs" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9775
[pid 9770] <... ioctl resumed>) = 0
[pid 9770] close(3) = 0
[pid 5071] <... umount2 resumed>) = 0
[ 251.033731][ T9770] loop4: detected capacity change from 0 to 4096
[pid 9770] mkdir("./file0", 0777./strace-static-x86_64: Process 9775 attached
) = 0
[pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9775] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9770] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9763] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9775] <... set_robust_list resumed>) = 0
[pid 9763] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9775] chdir("./196" <unfinished ...>
[pid 9763] <... futex resumed>) = 0
[pid 9775] <... chdir resumed>) = 0
[pid 9763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] lstat("./192/file0", <unfinished ...>
[pid 9775] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9763] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9775] <... prctl resumed>) = 0
[pid 9763] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9775] setpgid(0, 0 <unfinished ...>
[pid 9763] <... mprotect resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9775] <... setpgid resumed>) = 0
[pid 9763] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, <unfinished ...>
[pid 9775] <... openat resumed>) = 3
[pid 9763] <... clone resumed>, parent_tid=[9776], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9776
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9775] write(3, "1000", 4 <unfinished ...>
[pid 9763] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9775] <... write resumed>) = 4
[pid 9763] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9775] close(3 <unfinished ...>
[pid 9763] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9775] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9775] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] close(4) = 0
[pid 9775] <... symlink resumed>) = 0
[pid 5071] rmdir("./192/file0" <unfinished ...>
[pid 9775] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9775] <... futex resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9775] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5071] <... close resumed>) = 0
[pid 9775] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] rmdir("./192" <unfinished ...>
[pid 9775] <... mprotect resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9775] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] mkdir("./193", 0777) = 0
[pid 9775] <... clone resumed>, parent_tid=[9777], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9777
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9775] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9775] <... futex resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9775] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
./strace-static-x86_64: Process 9777 attached
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9776 attached
<unfinished ...>
[pid 9777] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9778
[pid 9777] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9776] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9777] <... memfd_create resumed>) = 3
[pid 9776] <... set_robust_list resumed>) = 0
[pid 9777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9776] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9777] <... mmap resumed>) = 0x7fe424ef8000
[pid 9776] <... mmap resumed>) = 0x20000000
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 9776] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9778 attached
<unfinished ...>
[pid 9763] <... futex resumed>) = 0
[pid 9776] <... futex resumed>) = 1
[pid 9778] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9776] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9778] <... set_robust_list resumed>) = 0
[pid 9778] chdir("./193" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 251.141239][ T9770] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9778] <... chdir resumed>) = 0
[pid 5070] lstat("./192/file0", <unfinished ...>
[pid 9778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9778] setpgid(0, 0 <unfinished ...>
[pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9778] <... setpgid resumed>) = 0
[pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9778] <... openat resumed>) = 3
[pid 5072] lstat("./195/file0", <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9778] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9778] <... write resumed>) = 4
[pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9778] close(3 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(4, <unfinished ...>
[pid 9778] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9778] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5070] getdents64(4, <unfinished ...>
[pid 9778] <... symlink resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9778] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9778] <... futex resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] rmdir("./192/file0" <unfinished ...>
[pid 9778] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9778] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9778] <... mprotect resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9778] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5072] rmdir("./195/file0" <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9778] <... clone resumed>, parent_tid=[9779], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9779
[pid 9777] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9764] <... write resumed>) = 176128
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] rmdir("./192"./strace-static-x86_64: Process 9779 attached
<unfinished ...>
[pid 9778] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9764] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 251.191517][ T9770] NILFS (loop4): trying rollback from an earlier position
[pid 9763] exit_group(0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9779] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9778] <... futex resumed>) = 0
[pid 9776] <... futex resumed>) = ?
[pid 9764] <... futex resumed>) = ?
[pid 9763] <... exit_group resumed>) = ?
[pid 5070] <... rmdir resumed>) = 0
[pid 9779] <... set_robust_list resumed>) = 0
[pid 9778] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9776] +++ exited with 0 +++
[pid 9764] +++ exited with 0 +++
[pid 9763] +++ exited with 0 +++
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9779] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5070] mkdir("./193", 0777 <unfinished ...>
[pid 9779] <... memfd_create resumed>) = 3
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9763, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 5072] <... close resumed>) = 0
[pid 9779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9779] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] rmdir("./195" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./196", 0777 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[ 251.233769][ T9770] NILFS (loop4): recovery complete
[pid 9779] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9777] <... write resumed>) = 2097152
[pid 9770] <... mount resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9770] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9770] <... openat resumed>) = 3
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... openat resumed>) = 3
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9770] chdir("./file0" <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9770] <... chdir resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9781
[pid 9777] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9770] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9777] <... munmap resumed>) = 0
[pid 9770] <... ioctl resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... close resumed>) = 0
[pid 9777] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9770] close(4 <unfinished ...>
[pid 5075] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9777] <... openat resumed>) = 4
[pid 9770] <... close resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9777] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9770] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] lstat("./197/binderfs", <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9782
[pid 9770] <... futex resumed>) = 1
[pid 9766] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9770] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9766] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] unlink("./197/binderfs"./strace-static-x86_64: Process 9782 attached
./strace-static-x86_64: Process 9781 attached
<unfinished ...>
[pid 9770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9766] <... futex resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 9781] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9770] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9766] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9782] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9781] <... set_robust_list resumed>) = 0
[pid 9777] <... ioctl resumed>) = 0
[pid 9770] <... openat resumed>) = 4
[pid 9782] <... set_robust_list resumed>) = 0
[pid 9781] chdir("./193" <unfinished ...>
[pid 9777] close(3 <unfinished ...>
[pid 9782] chdir("./196" <unfinished ...>
[pid 9781] <... chdir resumed>) = 0
[pid 9777] <... close resumed>) = 0
[pid 9782] <... chdir resumed>) = 0
[pid 9781] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9777] mkdir("./file0", 0777 <unfinished ...>
[pid 9782] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9781] <... prctl resumed>) = 0
[pid 9777] <... mkdir resumed>) = 0
[pid 9782] <... prctl resumed>) = 0
[pid 9781] setpgid(0, 0 <unfinished ...>
[pid 9777] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9782] setpgid(0, 0 <unfinished ...>
[pid 9781] <... setpgid resumed>) = 0
[pid 9782] <... setpgid resumed>) = 0
[pid 9781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9770] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9781] <... openat resumed>) = 3
[pid 9782] <... openat resumed>) = 3
[pid 9781] write(3, "1000", 4 <unfinished ...>
[pid 9782] write(3, "1000", 4 <unfinished ...>
[pid 9781] <... write resumed>) = 4
[pid 9782] <... write resumed>) = 4
[pid 9781] close(3 <unfinished ...>
[pid 9782] close(3 <unfinished ...>
[pid 9781] <... close resumed>) = 0
[pid 9782] <... close resumed>) = 0
[ 251.259727][ T9780] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 251.276744][ T9777] loop3: detected capacity change from 0 to 4096
[pid 9781] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9782] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9781] <... symlink resumed>) = 0
[pid 9779] <... write resumed>) = 2097152
[pid 9770] <... futex resumed>) = 1
[pid 9766] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 9779] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9770] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9766] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9782] <... symlink resumed>) = 0
[pid 9781] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9779] <... munmap resumed>) = 0
[pid 9770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9766] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9782] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] <... futex resumed>) = 0
[pid 9779] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[ 251.322753][ T9777] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9770] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9766] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./197/file0", <unfinished ...>
[pid 9782] <... futex resumed>) = 0
[pid 9781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9779] <... openat resumed>) = 4
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9779] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9781] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9782] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9781] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9782] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9781] <... mprotect resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5075] fstat(4, <unfinished ...>
[pid 9782] <... mprotect resumed>) = 0
[pid 9781] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9782] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, <unfinished ...>
[pid 9781] <... clone resumed>, parent_tid=[9783], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9783
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9782] <... clone resumed>, parent_tid=[9784], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9784
[pid 5075] close(4 <unfinished ...>
[pid 9782] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9782] <... futex resumed>) = 0
[pid 9781] <... futex resumed>) = 0
[pid 5075] rmdir("./197/file0"./strace-static-x86_64: Process 9784 attached
./strace-static-x86_64: Process 9783 attached
<unfinished ...>
[pid 9782] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9781] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9779] <... ioctl resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 9783] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9783] <... set_robust_list resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9783] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9783] <... memfd_create resumed>) = 3
[pid 5075] <... close resumed>) = 0
[pid 9783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] rmdir("./197" <unfinished ...>
[pid 9783] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... rmdir resumed>) = 0
[pid 9784] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9779] close(3 <unfinished ...>
[pid 5075] mkdir("./198", 0777 <unfinished ...>
[pid 9784] <... set_robust_list resumed>) = 0
[pid 9779] <... close resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[ 251.365428][ T9777] NILFS (loop3): trying rollback from an earlier position
[ 251.367349][ T9779] loop1: detected capacity change from 0 to 4096
[ 251.396618][ T9777] NILFS (loop3): recovery complete
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9784] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9779] mkdir("./file0", 0777 <unfinished ...>
[pid 9766] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... openat resumed>) = 3
[pid 9777] <... mount resumed>) = 0
[pid 9766] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9784] <... memfd_create resumed>) = 3
[pid 9779] <... mkdir resumed>) = 0
[pid 9777] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9766] <... futex resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9779] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9777] <... openat resumed>) = 3
[pid 9766] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... close resumed>) = 0
[pid 9784] <... mmap resumed>) = 0x7fe424ef8000
[pid 9766] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9777] chdir("./file0" <unfinished ...>
[pid 9766] <... mprotect resumed>) = 0
[pid 9766] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9786
[ 251.408309][ T9785] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9777] <... chdir resumed>) = 0
[pid 9766] <... clone resumed>, parent_tid=[9787], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9787
[pid 9766] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9766] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9786 attached
<unfinished ...>
[pid 9786] set_robust_list(0x555556a0d5e0, 24./strace-static-x86_64: Process 9787 attached
) = 0
[pid 9787] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9786] chdir("./198" <unfinished ...>
[pid 9783] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9787] <... set_robust_list resumed>) = 0
[pid 9786] <... chdir resumed>) = 0
[pid 9787] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9786] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9777] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9787] <... mmap resumed>) = 0x20000000
[pid 9786] <... prctl resumed>) = 0
[pid 9777] <... ioctl resumed>) = 0
[pid 9787] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9786] setpgid(0, 0 <unfinished ...>
[pid 9787] <... futex resumed>) = 1
[pid 9786] <... setpgid resumed>) = 0
[pid 9777] close(4 <unfinished ...>
[pid 9766] <... futex resumed>) = 0
[pid 9787] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9777] <... close resumed>) = 0
[pid 9786] <... openat resumed>) = 3
[pid 9786] write(3, "1000", 4) = 4
[pid 9786] close(3) = 0
[pid 9786] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9777] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9786] <... symlink resumed>) = 0
[pid 9777] <... futex resumed>) = 1
[pid 9775] <... futex resumed>) = 0
[pid 9786] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9777] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9775] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9786] <... futex resumed>) = 0
[pid 9777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9775] <... futex resumed>) = 0
[pid 9786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9777] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9775] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9786] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9786] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9786] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9788], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9788
[pid 9786] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9786] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9777] <... openat resumed>) = 4
[pid 9777] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9788 attached
) = 1
[pid 9775] <... futex resumed>) = 0
[pid 9788] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9777] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9775] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9788] <... set_robust_list resumed>) = 0
[pid 9777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9775] <... futex resumed>) = 0
[pid 9788] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9777] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9775] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9788] <... memfd_create resumed>) = 3
[pid 9788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 251.453457][ T9779] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 9784] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9783] <... write resumed>) = 2097152
[pid 9788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9783] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 9783] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9775] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9775] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9775] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9789], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9789
[pid 9775] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9775] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9789 attached
<unfinished ...>
[pid 9783] <... ioctl resumed>) = 0
[pid 9789] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9783] close(3 <unfinished ...>
[pid 9789] <... set_robust_list resumed>) = 0
[pid 9783] <... close resumed>) = 0
[pid 9789] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9783] mkdir("./file0", 0777 <unfinished ...>
[pid 9789] <... mmap resumed>) = 0x20000000
[pid 9783] <... mkdir resumed>) = 0
[pid 9789] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9783] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9789] <... futex resumed>) = 1
[pid 9775] <... futex resumed>) = 0
[ 251.534970][ T9779] NILFS (loop1): trying rollback from an earlier position
[ 251.547791][ T9783] loop0: detected capacity change from 0 to 4096
[pid 9789] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9784] <... write resumed>) = 2097152
[pid 9770] <... write resumed>) = 356352
[pid 9784] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9770] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9766] exit_group(0 <unfinished ...>
[pid 9777] <... write resumed>) = 180224
[pid 9787] <... futex resumed>) = ?
[pid 9784] <... munmap resumed>) = 0
[pid 9777] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9770] <... futex resumed>) = ?
[pid 9766] <... exit_group resumed>) = ?
[pid 9787] +++ exited with 0 +++
[pid 9784] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9777] <... futex resumed>) = 0
[pid 9770] +++ exited with 0 +++
[pid 9766] +++ exited with 0 +++
[pid 9788] <... write resumed>) = 2097152
[pid 9784] <... openat resumed>) = 4
[pid 9777] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9775] exit_group(0 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9766, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9789] <... futex resumed>) = ?
[pid 9788] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9784] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9775] <... exit_group resumed>) = ?
[pid 9789] +++ exited with 0 +++
[pid 9788] <... munmap resumed>) = 0
[pid 9784] <... ioctl resumed>) = 0
[pid 9779] <... mount resumed>) = 0
[pid 9777] <... futex resumed>) = ?
[pid 9788] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9784] close(3 <unfinished ...>
[pid 9788] <... openat resumed>) = 4
[pid 9784] <... close resumed>) = 0
[ 251.600664][ T9779] NILFS (loop1): recovery complete
[ 251.619724][ T9783] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 251.624391][ T9784] loop2: detected capacity change from 0 to 4096
[ 251.630115][ T9790] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9788] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9784] mkdir("./file0", 0777) = 0
[pid 9779] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9777] +++ exited with 0 +++
[pid 9775] +++ exited with 0 +++
[pid 9784] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9775, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9779] <... openat resumed>) = 3
[pid 5074] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9779] chdir("./file0" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9779] <... chdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9779] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] fstat(3, <unfinished ...>
[pid 9783] <... mount resumed>) = 0
[pid 9779] <... ioctl resumed>) = 0
[pid 5074] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(3, <unfinished ...>
[pid 5074] lstat("./194/binderfs", <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] unlink("./194/binderfs" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9788] <... ioctl resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5073] lstat("./196/binderfs", <unfinished ...>
[pid 9788] close(3 <unfinished ...>
[pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9788] <... close resumed>) = 0
[pid 5073] unlink("./196/binderfs" <unfinished ...>
[pid 9788] mkdir("./file0", 0777 <unfinished ...>
[ 251.641763][ T9788] loop5: detected capacity change from 0 to 4096
[ 251.648093][ T9783] NILFS (loop0): trying rollback from an earlier position
[ 251.666321][ T9784] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 251.673870][ T9783] NILFS (loop0): recovery complete
[ 251.682354][ T9791] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 251.693876][ T9784] NILFS (loop2): trying rollback from an earlier position
[pid 9783] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9779] close(4 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9788] <... mkdir resumed>) = 0
[pid 9783] <... openat resumed>) = 3
[pid 9779] <... close resumed>) = 0
[pid 9783] chdir("./file0" <unfinished ...>
[pid 9779] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9783] <... chdir resumed>) = 0
[pid 9779] <... futex resumed>) = 1
[pid 9778] <... futex resumed>) = 0
[pid 9783] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9779] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9778] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9783] <... ioctl resumed>) = 0
[pid 9779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9778] <... futex resumed>) = 0
[pid 9783] close(4 <unfinished ...>
[pid 9779] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9778] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9783] <... close resumed>) = 0
[pid 9783] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9783] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9788] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9781] <... futex resumed>) = 0
[pid 9781] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9783] <... futex resumed>) = 0
[pid 9781] <... futex resumed>) = 1
[pid 9783] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9781] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9783] <... openat resumed>) = 4
[pid 9779] <... openat resumed>) = 4
[ 251.711823][ T9784] NILFS (loop2): recovery complete
[pid 9783] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9779] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9783] <... futex resumed>) = 1
[pid 9779] <... futex resumed>) = 1
[pid 9778] <... futex resumed>) = 0
[pid 9783] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9779] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9778] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9778] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9781] <... futex resumed>) = 0
[pid 9781] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9783] <... futex resumed>) = 0
[pid 9781] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9783] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9784] <... mount resumed>) = 0
[pid 9784] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9784] chdir("./file0" <unfinished ...>
[pid 9778] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9784] <... chdir resumed>) = 0
[pid 9778] <... futex resumed>) = 0
[pid 9784] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9784] <... ioctl resumed>) = 0
[pid 9778] <... mmap resumed>) = 0x7fe4250d7000
[pid 9784] close(4 <unfinished ...>
[pid 9778] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9784] <... close resumed>) = 0
[pid 9781] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9778] <... mprotect resumed>) = 0
[pid 9784] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9778] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9784] <... futex resumed>) = 1
[pid 9782] <... futex resumed>) = 0
[pid 9781] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 9784] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9782] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9778] <... clone resumed>, parent_tid=[9793], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9793
[pid 9784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9782] <... futex resumed>) = 0
[pid 9781] <... mmap resumed>) = 0x7fe4250d7000
[pid 9778] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9784] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9782] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9781] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9778] <... futex resumed>) = 0
[ 251.735070][ T9788] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 251.756580][ T9788] NILFS (loop5): trying rollback from an earlier position
[ 251.764993][ T9792] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
./strace-static-x86_64: Process 9793 attached
[pid 9778] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9793] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] lstat("./194/file0", <unfinished ...>
[pid 9793] <... set_robust_list resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9793] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9793] <... mmap resumed>) = 0x20000000
[pid 9781] <... mprotect resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9793] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9793] <... futex resumed>) = 1
[pid 9778] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 9793] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9781] <... clone resumed>, parent_tid=[9794], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9794
[pid 5074] fstat(4, <unfinished ...>
[pid 9781] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9781] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 9781] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 9794 attached
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9794] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9794] <... set_robust_list resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[ 251.804509][ T9788] NILFS (loop5): recovery complete
[pid 9794] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9794] <... mmap resumed>) = 0x20000000
[pid 5074] rmdir("./194/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./194" <unfinished ...>
[pid 9794] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9782] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9794] <... futex resumed>) = 1
[pid 9788] <... mount resumed>) = 0
[pid 9782] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9781] <... futex resumed>) = 0
[pid 5074] mkdir("./195", 0777 <unfinished ...>
[pid 9794] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9788] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9782] <... futex resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9788] <... openat resumed>) = 3
[pid 9782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9788] chdir("./file0" <unfinished ...>
[pid 9784] <... openat resumed>) = 4
[pid 9782] <... mmap resumed>) = 0x7fe4250d7000
[pid 9779] <... write resumed>) = 122880
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9788] <... chdir resumed>) = 0
[pid 9784] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9782] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9779] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9778] exit_group(0 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] lstat("./196/file0", <unfinished ...>
[pid 9793] <... futex resumed>) = ?
[pid 9788] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9784] <... futex resumed>) = 0
[pid 9782] <... mprotect resumed>) = 0
[pid 9779] <... futex resumed>) = ?
[pid 9778] <... exit_group resumed>) = ?
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9793] +++ exited with 0 +++
[pid 9788] <... ioctl resumed>) = 0
[pid 9784] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9782] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9788] close(4 <unfinished ...>
[pid 9779] +++ exited with 0 +++
[pid 9778] +++ exited with 0 +++
[pid 5074] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9788] <... close resumed>) = 0
[pid 9782] <... clone resumed>, parent_tid=[9796], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9796
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9778, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 9788] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9782] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9788] <... futex resumed>) = 1
[pid 9786] <... futex resumed>) = 0
[pid 9782] <... futex resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9797
[pid 5073] fstat(4, <unfinished ...>
[pid 9788] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9786] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9782] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9797 attached
./strace-static-x86_64: Process 9796 attached
[pid 9788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9786] <... futex resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 9797] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9796] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9788] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9786] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9797] <... set_robust_list resumed>) = 0
[pid 9796] <... set_robust_list resumed>) = 0
[ 251.859741][ T9791] NILFS (loop0): nilfs_direct_assign (ino=6): invalid key: 130
[ 251.869186][ T9795] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9797] chdir("./195" <unfinished ...>
[pid 9796] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9797] <... chdir resumed>) = 0
[pid 5073] close(4 <unfinished ...>
[pid 9797] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9797] <... prctl resumed>) = 0
[pid 5073] rmdir("./196/file0" <unfinished ...>
[pid 9797] setpgid(0, 0 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9797] <... setpgid resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9797] <... openat resumed>) = 3
[pid 5073] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9797] write(3, "1000", 4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9797] <... write resumed>) = 4
[pid 5073] rmdir("./196" <unfinished ...>
[pid 9797] close(3 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9797] <... close resumed>) = 0
[pid 5073] mkdir("./197", 0777 <unfinished ...>
[pid 9797] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 9797] <... symlink resumed>) = 0
[pid 9788] <... openat resumed>) = 4
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9797] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9788] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 9797] <... futex resumed>) = 0
[pid 9788] <... futex resumed>) = 1
[pid 9786] <... futex resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9788] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9786] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] getdents64(3, <unfinished ...>
[pid 9797] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9786] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9797] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9788] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9786] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9797] <... mprotect resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9797] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9798
[pid 5071] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9797] <... clone resumed>, parent_tid=[9799], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9799
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9797] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] lstat("./193/binderfs", <unfinished ...>
[pid 9797] <... futex resumed>) = 0
[pid 9797] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9782] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] unlink("./193/binderfs"./strace-static-x86_64: Process 9798 attached
<unfinished ...>
[ 251.907817][ T9791] NILFS error (device loop0): nilfs_bmap_assign: broken bmap (inode number=6)
[pid 9782] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9798] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9784] <... futex resumed>) = 0
[pid 9782] <... futex resumed>) = 1
[pid 5071] <... unlink resumed>) = 0
./strace-static-x86_64: Process 9799 attached
[pid 9798] <... set_robust_list resumed>) = 0
[pid 9784] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9782] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9799] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9798] chdir("./197" <unfinished ...>
[pid 9784] <... mmap resumed>) = 0x20000000
[pid 9798] <... chdir resumed>) = 0
[pid 9798] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9784] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9798] <... prctl resumed>) = 0
[pid 9798] setpgid(0, 0 <unfinished ...>
[pid 9784] <... futex resumed>) = 1
[pid 9782] <... futex resumed>) = 0
[pid 9798] <... setpgid resumed>) = 0
[pid 9784] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9799] <... set_robust_list resumed>) = 0
[pid 9798] write(3, "1000", 4 <unfinished ...>
[pid 9799] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9798] <... write resumed>) = 4
[pid 9799] <... memfd_create resumed>) = 3
[pid 9798] close(3 <unfinished ...>
[pid 9783] <... write resumed>) = -1 EIO (Input/output error)
[pid 9799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9798] <... close resumed>) = 0
[pid 9783] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9798] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9783] <... futex resumed>) = 0
[pid 9799] <... mmap resumed>) = 0x7fe424ef8000
[pid 9798] <... symlink resumed>) = 0
[pid 9783] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9781] exit_group(0 <unfinished ...>
[pid 9798] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9794] <... futex resumed>) = ?
[pid 9783] <... futex resumed>) = ?
[pid 9781] <... exit_group resumed>) = ?
[pid 9798] <... futex resumed>) = 0
[pid 9794] +++ exited with 0 +++
[pid 9798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9783] +++ exited with 0 +++
[pid 9781] +++ exited with 0 +++
[pid 9798] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9781, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9798] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 9798] <... clone resumed>, parent_tid=[9800], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9800
[pid 9798] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 251.955878][ T9791] Remounting filesystem read-only
[pid 9798] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9786] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9786] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9786] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9786] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] fstat(3, ./strace-static-x86_64: Process 9800 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9800] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9786] <... clone resumed>, parent_tid=[9801], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9801
[pid 5070] getdents64(3, <unfinished ...>
[pid 9800] <... set_robust_list resumed>) = 0
[pid 9786] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9800] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9786] <... futex resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9801 attached
[pid 9800] <... memfd_create resumed>) = 3
[pid 9786] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9801] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9796] <... write resumed>) = 139264
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9801] <... set_robust_list resumed>) = 0
[pid 9800] <... mmap resumed>) = 0x7fe424ef8000
[pid 9796] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] lstat("./193/binderfs", <unfinished ...>
[pid 9801] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9796] <... futex resumed>) = 0
[pid 9782] exit_group(0 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9782] <... exit_group resumed>) = ?
[pid 9801] <... mmap resumed>) = 0x20000000
[pid 9784] <... futex resumed>) = ?
[pid 5070] unlink("./193/binderfs" <unfinished ...>
[pid 9801] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9796] +++ exited with 0 +++
[pid 9801] <... futex resumed>) = 1
[pid 9786] <... futex resumed>) = 0
[pid 9784] +++ exited with 0 +++
[pid 9782] +++ exited with 0 +++
[pid 5070] <... unlink resumed>) = 0
[pid 9801] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9782, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./193/file0", <unfinished ...>
[pid 5072] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9800] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9788] <... write resumed>) = 126976
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9788] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9786] exit_group(0 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9801] <... futex resumed>) = ?
[pid 9788] <... futex resumed>) = ?
[pid 9786] <... exit_group resumed>) = ?
[pid 5072] getdents64(3, <unfinished ...>
[pid 9801] +++ exited with 0 +++
[pid 9788] +++ exited with 0 +++
[pid 9786] +++ exited with 0 +++
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... openat resumed>) = 4
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9786, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5075] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./198/binderfs", <unfinished ...>
[pid 5072] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./198/binderfs" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... unlink resumed>) = 0
[pid 5075] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] lstat("./196/binderfs", <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] unlink("./196/binderfs" <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./198/file0", <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5071] rmdir("./193/file0" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./198/file0") = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... close resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5075] rmdir("./198") = 0
[pid 5071] <... close resumed>) = 0
[pid 5075] mkdir("./199", 0777) = 0
[pid 5071] rmdir("./193" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] mkdir("./194", 0777) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5070] <... umount2 resumed>) = 0
[pid 9799] <... write resumed>) = 2097152
[pid 5075] <... openat resumed>) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9799] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9799] <... munmap resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9799] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9802
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9803
[pid 9799] <... openat resumed>) = 4
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9799] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] lstat("./193/file0", ./strace-static-x86_64: Process 9802 attached
<unfinished ...>
[pid 9802] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9802] chdir("./199" <unfinished ...>
[pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9802] <... chdir resumed>) = 0
[pid 9802] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9802] <... prctl resumed>) = 0
[pid 5072] lstat("./196/file0", <unfinished ...>
[pid 9802] setpgid(0, 0 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9802] <... setpgid resumed>) = 0
[pid 9799] <... ioctl resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9799] close(3 <unfinished ...>
[pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9802] <... openat resumed>) = 3
[pid 9799] <... close resumed>) = 0
[pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9802] write(3, "1000", 4 <unfinished ...>
[pid 9799] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9802] <... write resumed>) = 4
[pid 5072] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9803 attached
<unfinished ...>
[pid 9802] close(3 <unfinished ...>
[pid 9800] <... write resumed>) = 2097152
[pid 9799] <... mkdir resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9803] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9802] <... close resumed>) = 0
[pid 9799] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9802] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9800] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9803] <... set_robust_list resumed>) = 0
[pid 9802] <... symlink resumed>) = 0
[pid 9800] <... munmap resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9803] chdir("./194" <unfinished ...>
[pid 9802] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9800] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] fstat(4, <unfinished ...>
[pid 9803] <... chdir resumed>) = 0
[pid 9802] <... futex resumed>) = 0
[pid 9800] <... openat resumed>) = 4
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9803] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9800] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9803] <... prctl resumed>) = 0
[pid 9802] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] close(4 <unfinished ...>
[pid 9803] setpgid(0, 0 <unfinished ...>
[pid 9802] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9803] <... setpgid resumed>) = 0
[pid 9802] <... mprotect resumed>) = 0
[pid 5072] rmdir("./196/file0" <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9802] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9803] <... openat resumed>) = 3
[pid 5072] getdents64(3, <unfinished ...>
[pid 9802] <... clone resumed>, parent_tid=[9804], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9804
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9802] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9802] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 9802] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] rmdir("./196" <unfinished ...>
[pid 9803] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9803] <... write resumed>) = 4
[ 252.166697][ T9799] loop4: detected capacity change from 0 to 4096
[ 252.193860][ T9800] loop3: detected capacity change from 0 to 4096
[ 252.207470][ T9799] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 5072] mkdir("./197", 0777./strace-static-x86_64: Process 9804 attached
) = 0
[pid 9804] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9804] <... set_robust_list resumed>) = 0
[pid 9800] <... ioctl resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9804] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9800] close(3 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9804] <... memfd_create resumed>) = 3
[pid 9800] <... close resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9803] close(3 <unfinished ...>
[pid 9800] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9804] <... mmap resumed>) = 0x7fe424ef8000
[pid 9803] <... close resumed>) = 0
[pid 9800] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] rmdir("./193/file0" <unfinished ...>
[pid 9803] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9800] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9803] <... symlink resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9805 attached
[pid 9803] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9805
[pid 5070] getdents64(3, <unfinished ...>
[pid 9805] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9803] <... futex resumed>) = 0
[pid 9805] <... set_robust_list resumed>) = 0
[pid 9803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9805] chdir("./197" <unfinished ...>
[pid 9803] <... mmap resumed>) = 0x7fe42d2f8000
[ 252.216297][ T9799] NILFS (loop4): trying rollback from an earlier position
[pid 5070] close(3 <unfinished ...>
[pid 9805] <... chdir resumed>) = 0
[pid 9803] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9803] <... mprotect resumed>) = 0
[pid 5070] rmdir("./193" <unfinished ...>
[pid 9803] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9805] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9805] <... prctl resumed>) = 0
[pid 9803] <... clone resumed>, parent_tid=[9806], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9806
[pid 5070] mkdir("./194", 0777./strace-static-x86_64: Process 9806 attached
<unfinished ...>
[pid 9805] setpgid(0, 0 <unfinished ...>
[pid 9803] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9806] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9805] <... setpgid resumed>) = 0
[pid 9803] <... futex resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 9806] <... set_robust_list resumed>) = 0
[pid 9805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9803] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9804] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9799] <... mount resumed>) = 0
[pid 9799] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9799] chdir("./file0") = 0
[pid 9799] ioctl(4, LOOP_CLR_FD) = 0
[ 252.261564][ T9799] NILFS (loop4): recovery complete
[ 252.272676][ T9800] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 252.283901][ T9807] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9799] close(4 <unfinished ...>
[pid 9806] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9805] <... openat resumed>) = 3
[pid 9799] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9806] <... memfd_create resumed>) = 3
[pid 9805] write(3, "1000", 4 <unfinished ...>
[pid 9799] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9805] <... write resumed>) = 4
[pid 9799] <... futex resumed>) = 1
[pid 9797] <... futex resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9806] <... mmap resumed>) = 0x7fe424ef8000
[pid 9805] close(3 <unfinished ...>
[pid 9799] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9797] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9797] <... futex resumed>) = 0
[pid 9799] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9797] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9805] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9805] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9799] <... openat resumed>) = 4
[pid 9805] <... symlink resumed>) = 0
[pid 9804] <... write resumed>) = 2097152
[pid 9799] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9808 attached
<unfinished ...>
[pid 9805] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9804] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9799] <... futex resumed>) = 1
[pid 9797] <... futex resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9808
[ 252.307077][ T9800] NILFS (loop3): trying rollback from an earlier position
[pid 9808] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9805] <... futex resumed>) = 0
[pid 9804] <... munmap resumed>) = 0
[pid 9799] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9797] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9808] <... set_robust_list resumed>) = 0
[pid 9806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9804] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9808] chdir("./194" <unfinished ...>
[pid 9805] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9804] <... openat resumed>) = 4
[pid 9797] <... futex resumed>) = 0
[pid 9808] <... chdir resumed>) = 0
[pid 9805] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9804] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9799] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9797] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9808] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9805] <... mprotect resumed>) = 0
[pid 9800] <... mount resumed>) = 0
[pid 9808] <... prctl resumed>) = 0
[pid 9806] <... write resumed>) = 2097152
[pid 9805] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9804] <... ioctl resumed>) = 0
[pid 9808] setpgid(0, 0 <unfinished ...>
[pid 9804] close(3 <unfinished ...>
[pid 9808] <... setpgid resumed>) = 0
[pid 9805] <... clone resumed>, parent_tid=[9810], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9810
[pid 9804] <... close resumed>) = 0
[pid 9808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9805] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9804] mkdir("./file0", 0777 <unfinished ...>
[pid 9808] <... openat resumed>) = 3
[pid 9805] <... futex resumed>) = 0
[pid 9808] write(3, "1000", 4 <unfinished ...>
[pid 9805] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9804] <... mkdir resumed>) = 0
[pid 9808] <... write resumed>) = 4
[pid 9804] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9808] close(3) = 0
[pid 9808] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9808] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9808] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
./strace-static-x86_64: Process 9810 attached
[pid 9808] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9810] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9808] <... clone resumed>, parent_tid=[9811], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9811
[pid 9810] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9808] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9810] <... memfd_create resumed>) = 3
[pid 9808] <... futex resumed>) = 0
[pid 9810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9808] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9810] <... mmap resumed>) = 0x7fe424ef8000
[pid 9800] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9800] chdir("./file0") = 0
./strace-static-x86_64: Process 9811 attached
[pid 9800] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9811] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9800] <... ioctl resumed>) = 0
[pid 9811] <... set_robust_list resumed>) = 0
[pid 9800] close(4 <unfinished ...>
[pid 9811] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9800] <... close resumed>) = 0
[ 252.345255][ T9800] NILFS (loop3): recovery complete
[ 252.359044][ T9804] loop5: detected capacity change from 0 to 4096
[ 252.360580][ T9809] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9811] <... memfd_create resumed>) = 3
[pid 9800] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9800] <... futex resumed>) = 1
[pid 9800] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9798] <... futex resumed>) = 0
[pid 9797] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9806] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9798] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9797] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9806] <... munmap resumed>) = 0
[pid 9798] <... futex resumed>) = 1
[pid 9800] <... futex resumed>) = 0
[pid 9797] <... futex resumed>) = 0
[pid 9806] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid 9800] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9798] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9806] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9810] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9800] <... openat resumed>) = 4
[pid 9797] <... mmap resumed>) = 0x7fe4250d7000
[pid 9800] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9797] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9800] <... futex resumed>) = 1
[pid 9798] <... futex resumed>) = 0
[pid 9797] <... mprotect resumed>) = 0
[pid 9798] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9800] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9798] <... futex resumed>) = 0
[pid 9797] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9798] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9797] <... clone resumed>, parent_tid=[9812], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9812
[ 252.414740][ T9804] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 252.440480][ T9806] loop1: detected capacity change from 0 to 4096
[pid 9797] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 9812 attached
[pid 9797] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9812] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9812] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9806] <... ioctl resumed>) = 0
[pid 9806] close(3) = 0
[pid 9806] mkdir("./file0", 0777 <unfinished ...>
[pid 9812] <... mmap resumed>) = 0x20000000
[pid 9806] <... mkdir resumed>) = 0
[pid 9812] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9806] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9812] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9797] <... futex resumed>) = 0
[ 252.461162][ T9804] NILFS (loop5): trying rollback from an earlier position
[pid 9811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9798] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9798] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9798] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9798] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9813], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9813
[pid 9798] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9798] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9813 attached
<unfinished ...>
[pid 9813] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9813] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9813] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9798] <... futex resumed>) = 0
[ 252.515667][ T9806] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 252.548340][ T9804] NILFS (loop5): recovery complete
[pid 9813] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9799] <... write resumed>) = 372736
[pid 9799] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9797] exit_group(0 <unfinished ...>
[pid 9812] <... futex resumed>) = ?
[pid 9799] <... futex resumed>) = ?
[pid 9797] <... exit_group resumed>) = ?
[pid 9812] +++ exited with 0 +++
[pid 9811] <... write resumed>) = 2097152
[pid 9799] +++ exited with 0 +++
[pid 9797] +++ exited with 0 +++
[pid 9810] <... write resumed>) = 2097152
[pid 9810] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9797, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9810] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 5074] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9810] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9811] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5074] fstat(3, <unfinished ...>
[pid 9811] <... munmap resumed>) = 0
[pid 9811] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9810] <... ioctl resumed>) = 0
[pid 9804] <... mount resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9810] close(3 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9810] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9810] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9810] <... mkdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9810] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] lstat("./195/binderfs", <unfinished ...>
[pid 9811] <... openat resumed>) = 4
[pid 9804] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9811] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9804] <... openat resumed>) = 3
[pid 9800] <... write resumed>) = 294912
[pid 9804] chdir("./file0" <unfinished ...>
[ 252.559344][ T9806] NILFS (loop1): trying rollback from an earlier position
[ 252.577305][ T9810] loop2: detected capacity change from 0 to 4096
[ 252.588529][ T9814] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 252.604620][ T9806] NILFS (loop1): recovery complete
[pid 9800] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] unlink("./195/binderfs" <unfinished ...>
[pid 9811] <... ioctl resumed>) = 0
[pid 9804] <... chdir resumed>) = 0
[pid 9800] <... futex resumed>) = 0
[pid 9798] exit_group(0 <unfinished ...>
[pid 9813] <... futex resumed>) = ?
[pid 9811] close(3 <unfinished ...>
[pid 9804] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9798] <... exit_group resumed>) = ?
[pid 5074] <... unlink resumed>) = 0
[pid 9813] +++ exited with 0 +++
[pid 9811] <... close resumed>) = 0
[pid 9804] <... ioctl resumed>) = 0
[pid 9800] +++ exited with 0 +++
[pid 9811] mkdir("./file0", 0777 <unfinished ...>
[pid 9804] close(4 <unfinished ...>
[pid 9811] <... mkdir resumed>) = 0
[pid 9804] <... close resumed>) = 0
[pid 9798] +++ exited with 0 +++
[pid 9811] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9804] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9804] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9802] <... futex resumed>) = 0
[pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9806] <... mount resumed>) = 0
[pid 9802] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9798, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5073] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9804] <... futex resumed>) = 0
[pid 9806] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9802] <... futex resumed>) = 1
[pid 5073] unlink("./197/binderfs" <unfinished ...>
[pid 9804] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9806] <... openat resumed>) = 3
[pid 9802] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[ 252.612181][ T9811] loop0: detected capacity change from 0 to 4096
[ 252.628282][ T9815] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 252.635264][ T9810] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9806] chdir("./file0" <unfinished ...>
[pid 9804] <... openat resumed>) = 4
[pid 9804] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9806] <... chdir resumed>) = 0
[pid 9804] <... futex resumed>) = 1
[pid 9802] <... futex resumed>) = 0
[pid 9804] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9802] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9806] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9804] <... futex resumed>) = 0
[pid 9802] <... futex resumed>) = 1
[pid 9804] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9806] <... ioctl resumed>) = 0
[pid 9802] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9806] close(4) = 0
[pid 9806] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9803] <... futex resumed>) = 0
[pid 9803] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9806] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9803] <... futex resumed>) = 0
[pid 9803] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9806] <... openat resumed>) = 4
[pid 9806] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9803] <... futex resumed>) = 0
[pid 9803] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9803] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 252.665693][ T9811] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 252.700886][ T9811] NILFS (loop0): trying rollback from an earlier position
[pid 9806] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9802] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = 0
[pid 9802] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9802] <... mmap resumed>) = 0x7fe4250d7000
[pid 9802] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9802] <... mprotect resumed>) = 0
[pid 9802] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] lstat("./195/file0", <unfinished ...>
[pid 9802] <... clone resumed>, parent_tid=[9816], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9816
[pid 9802] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9802] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9803] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9803] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid 9803] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9803] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] lstat("./197/file0", <unfinished ...>
[ 252.721914][ T9810] NILFS (loop2): trying rollback from an earlier position
[pid 9803] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 9803] <... mprotect resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9803] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9803] <... clone resumed>, parent_tid=[9817], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9817
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9816 attached
[pid 9803] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9817 attached
<unfinished ...>
[pid 9816] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9803] <... futex resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 4
[pid 9817] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9803] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 9817] <... set_robust_list resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9817] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9817] <... mmap resumed>) = 0x20000000
[pid 9816] <... set_robust_list resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9817] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 252.780609][ T9811] NILFS (loop0): recovery complete
[pid 5073] getdents64(4, <unfinished ...>
[pid 9817] <... futex resumed>) = 1
[pid 9816] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9803] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9817] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] close(4) = 0
[pid 5073] rmdir("./197/file0" <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9802] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9816] <... mmap resumed>) = 0x20000000
[pid 5074] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./197" <unfinished ...>
[pid 9816] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./195/file0" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] mkdir("./198", 0777 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 9816] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9816] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[ 252.801861][ T9810] NILFS (loop2): recovery complete
[pid 5073] close(3 <unfinished ...>
[pid 9811] <... mount resumed>) = 0
[pid 5074] rmdir("./195" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9811] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9811] <... openat resumed>) = 3
[pid 5074] <... rmdir resumed>) = 0
[pid 9811] chdir("./file0" <unfinished ...>
[pid 9806] <... write resumed>) = 151552
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9820
./strace-static-x86_64: Process 9820 attached
[pid 9811] <... chdir resumed>) = 0
[pid 9806] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] mkdir("./196", 0777 <unfinished ...>
[pid 9820] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9806] <... futex resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9820] <... set_robust_list resumed>) = 0
[pid 9806] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9820] chdir("./198" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9820] <... chdir resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9820] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9820] <... prctl resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9811] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9820] setpgid(0, 0 <unfinished ...>
[pid 9810] <... mount resumed>) = 0
[pid 9803] exit_group(0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9811] <... ioctl resumed>) = 0
[pid 9820] <... setpgid resumed>) = 0
[pid 9817] <... futex resumed>) = ?
[pid 9811] close(4 <unfinished ...>
[pid 9810] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9806] <... futex resumed>) = ?
[pid 9803] <... exit_group resumed>) = ?
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9817] +++ exited with 0 +++
[pid 9811] <... close resumed>) = 0
[pid 9810] <... openat resumed>) = 3
[pid 9806] +++ exited with 0 +++
[pid 9803] +++ exited with 0 +++
[pid 9820] <... openat resumed>) = 3
[pid 9811] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9810] chdir("./file0" <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9821
[ 252.827572][ T9818] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 252.841449][ T9819] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9820] write(3, "1000", 4 <unfinished ...>
[pid 9811] <... futex resumed>) = 1
[pid 9810] <... chdir resumed>) = 0
[pid 9808] <... futex resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9803, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
./strace-static-x86_64: Process 9821 attached
[pid 9820] <... write resumed>) = 4
[pid 9811] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9810] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9808] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9821] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9810] <... ioctl resumed>) = 0
[pid 9808] <... futex resumed>) = 0
[pid 9821] <... set_robust_list resumed>) = 0
[pid 9811] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9810] close(4 <unfinished ...>
[pid 9808] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9821] chdir("./196" <unfinished ...>
[pid 9820] close(3 <unfinished ...>
[pid 9810] <... close resumed>) = 0
[pid 9821] <... chdir resumed>) = 0
[pid 9820] <... close resumed>) = 0
[pid 9811] <... openat resumed>) = 4
[pid 9810] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9821] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9820] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9811] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9810] <... futex resumed>) = 1
[pid 9805] <... futex resumed>) = 0
[pid 9804] <... write resumed>) = 290816
[pid 9821] <... prctl resumed>) = 0
[pid 9820] <... symlink resumed>) = 0
[pid 9811] <... futex resumed>) = 1
[pid 9810] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9808] <... futex resumed>) = 0
[pid 9805] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9804] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9821] setpgid(0, 0 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9811] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9808] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9805] <... futex resumed>) = 0
[pid 9804] <... futex resumed>) = 0
[pid 9802] exit_group(0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9821] <... setpgid resumed>) = 0
[pid 9820] <... futex resumed>) = 0
[pid 9816] <... futex resumed>) = ?
[pid 9811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9810] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9808] <... futex resumed>) = 0
[pid 9805] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9802] <... exit_group resumed>) = ?
[pid 5071] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9816] +++ exited with 0 +++
[pid 9811] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9808] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9804] +++ exited with 0 +++
[pid 5071] <... openat resumed>) = 3
[pid 9821] <... openat resumed>) = 3
[pid 9820] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9810] <... openat resumed>) = 4
[pid 9802] +++ exited with 0 +++
[pid 5071] fstat(3, <unfinished ...>
[pid 9821] write(3, "1000", 4 <unfinished ...>
[pid 9820] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9810] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9802, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9821] <... write resumed>) = 4
[pid 9810] <... futex resumed>) = 1
[pid 9805] <... futex resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9821] close(3 <unfinished ...>
[pid 9810] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9805] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9821] <... close resumed>) = 0
[pid 9820] <... mprotect resumed>) = 0
[pid 9810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9805] <... futex resumed>) = 0
[pid 5071] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9821] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9820] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9810] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9805] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9822 attached
[pid 9821] <... symlink resumed>) = 0
[pid 5071] lstat("./194/binderfs", <unfinished ...>
[pid 9821] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9822] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9821] <... futex resumed>) = 0
[pid 9820] <... clone resumed>, parent_tid=[9822], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9822
[pid 5071] unlink("./194/binderfs" <unfinished ...>
[pid 9822] <... set_robust_list resumed>) = 0
[pid 9821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9822] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9821] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9821] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9820] <... futex resumed>) = 0
[pid 5075] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9822] <... memfd_create resumed>) = 3
[pid 9821] <... mprotect resumed>) = 0
[pid 9820] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9821] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9822] <... mmap resumed>) = 0x7fe424ef8000
[pid 9821] <... clone resumed>, parent_tid=[9823], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9823
[pid 5075] <... openat resumed>) = 3
[pid 9821] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9821] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9823 attached
<unfinished ...>
[pid 9823] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9808] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9808] <... futex resumed>) = 0
[pid 9808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9808] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9808] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9823] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9808] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9823] <... memfd_create resumed>) = 3
[pid 9822] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9808] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9808] <... clone resumed>, parent_tid=[9824], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9824
[pid 5075] lstat("./199/binderfs", <unfinished ...>
[pid 9808] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9808] <... futex resumed>) = 0
[pid 9805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] unlink("./199/binderfs" <unfinished ...>
[pid 9808] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9805] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 9805] <... futex resumed>) = 0
[pid 9805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9805] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9805] <... mprotect resumed>) = 0
[pid 9805] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9825], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9825
[pid 9805] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9805] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9825 attached
<unfinished ...>
[pid 9825] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9825] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9825] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9805] <... futex resumed>) = 0
[pid 9825] <... futex resumed>) = 1
[pid 9825] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./194/file0", ./strace-static-x86_64: Process 9824 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9824] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9823] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9824] <... set_robust_list resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9824] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9824] <... mmap resumed>) = 0x20000000
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./194/file0") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./194") = 0
[pid 5071] mkdir("./195", 0777 <unfinished ...>
[pid 9824] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... mkdir resumed>) = 0
[pid 9824] <... futex resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9824] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9826
./strace-static-x86_64: Process 9826 attached
[pid 9810] <... write resumed>) = 163840
[pid 9826] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9823] <... write resumed>) = 2097152
[pid 9822] <... write resumed>) = 2097152
[pid 9810] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9826] <... set_robust_list resumed>) = 0
[pid 9822] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9810] <... futex resumed>) = 0
[pid 9805] exit_group(0 <unfinished ...>
[pid 5075] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] chdir("./195" <unfinished ...>
[pid 9825] <... futex resumed>) = ?
[pid 9822] <... munmap resumed>) = 0
[pid 9805] <... exit_group resumed>) = ?
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9826] <... chdir resumed>) = 0
[pid 9825] +++ exited with 0 +++
[pid 9823] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9810] +++ exited with 0 +++
[pid 5075] lstat("./199/file0", <unfinished ...>
[pid 9826] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9823] <... munmap resumed>) = 0
[pid 9822] <... openat resumed>) = 4
[pid 9811] <... write resumed>) = 212992
[pid 9805] +++ exited with 0 +++
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9826] <... prctl resumed>) = 0
[pid 9823] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9822] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9811] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9805, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5075] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] setpgid(0, 0 <unfinished ...>
[pid 9823] <... openat resumed>) = 4
[pid 9811] <... futex resumed>) = 0
[pid 9808] exit_group(0 <unfinished ...>
[pid 9826] <... setpgid resumed>) = 0
[pid 9823] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9808] <... exit_group resumed>) = ?
[pid 9826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9824] <... futex resumed>) = ?
[pid 9822] <... ioctl resumed>) = 0
[pid 9811] +++ exited with 0 +++
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9824] +++ exited with 0 +++
[pid 9822] close(3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9822] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 9822] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 9822] <... mkdir resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9822] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 9826] <... openat resumed>) = 3
[pid 9823] <... ioctl resumed>) = 0
[pid 9808] +++ exited with 0 +++
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./199/file0" <unfinished ...>
[pid 9826] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9808, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 9826] <... write resumed>) = 4
[pid 5075] getdents64(3, <unfinished ...>
[pid 9826] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9826] <... close resumed>) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./199") = 0
[pid 5075] mkdir("./200", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[ 253.111146][ T9822] loop3: detected capacity change from 0 to 4096
[ 253.113382][ T9823] loop4: detected capacity change from 0 to 4096
[ 253.133121][ T9822] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 253.142069][ T9822] NILFS (loop3): trying rollback from an earlier position
[pid 5075] close(3 <unfinished ...>
[pid 9826] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9823] close(3 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9826] <... symlink resumed>) = 0
[pid 9823] <... close resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 9826] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9823] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9826] <... futex resumed>) = 0
[pid 9823] <... mkdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9823] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9826] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9826] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... openat resumed>) = 3
[pid 9826] <... mprotect resumed>) = 0
[pid 5072] lstat("./197/binderfs", <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9826] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] unlink("./197/binderfs" <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9826] <... clone resumed>, parent_tid=[9828], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9828
[pid 5072] <... unlink resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9826] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9826] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./194/binderfs") = 0
[pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9828 attached
<unfinished ...>
[pid 9828] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9828] memfd_create("syzkaller", 0) = 3
[pid 9828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 9829 attached
[pid 9828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9822] <... mount resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9829
[pid 9829] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9829] chdir("./200" <unfinished ...>
[pid 9822] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9829] <... chdir resumed>) = 0
[pid 9822] <... openat resumed>) = 3
[pid 9829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9822] chdir("./file0" <unfinished ...>
[pid 9829] <... prctl resumed>) = 0
[pid 9822] <... chdir resumed>) = 0
[pid 9829] setpgid(0, 0 <unfinished ...>
[pid 9822] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9829] <... setpgid resumed>) = 0
[pid 9822] <... ioctl resumed>) = 0
[ 253.157124][ T9822] NILFS (loop3): recovery complete
[ 253.178041][ T9823] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 253.195022][ T9827] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9822] close(4 <unfinished ...>
[pid 9829] <... openat resumed>) = 3
[pid 9829] write(3, "1000", 4 <unfinished ...>
[pid 9822] <... close resumed>) = 0
[pid 9829] <... write resumed>) = 4
[pid 9822] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] close(3 <unfinished ...>
[pid 9822] <... futex resumed>) = 1
[pid 9820] <... futex resumed>) = 0
[pid 9829] <... close resumed>) = 0
[pid 9822] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9820] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9820] <... futex resumed>) = 0
[pid 9829] <... symlink resumed>) = 0
[pid 9822] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9829] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9822] <... openat resumed>) = 4
[pid 9829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9822] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9822] <... futex resumed>) = 1
[pid 9820] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9829] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9822] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9820] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9829] <... mprotect resumed>) = 0
[pid 9828] <... write resumed>) = 2097152
[pid 9822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9820] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9829] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9822] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./197/file0", <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9829] <... clone resumed>, parent_tid=[9831], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9831
[pid 9829] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] lstat("./194/file0", <unfinished ...>
[pid 9829] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9828] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9831 attached
[ 253.220429][ T9823] NILFS (loop4): trying rollback from an earlier position
[ 253.256009][ T9823] NILFS (loop4): recovery complete
<unfinished ...>
[pid 9828] <... munmap resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9823] <... mount resumed>) = 0
[pid 9831] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9823] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9831] <... set_robust_list resumed>) = 0
[pid 9823] <... openat resumed>) = 3
[pid 9831] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9823] chdir("./file0" <unfinished ...>
[pid 9831] <... memfd_create resumed>) = 3
[pid 9823] <... chdir resumed>) = 0
[pid 9831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9823] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9831] <... mmap resumed>) = 0x7fe424ef8000
[pid 9823] <... ioctl resumed>) = 0
[pid 9828] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9823] close(4 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9828] <... openat resumed>) = 4
[pid 9823] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 9828] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9823] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9823] <... futex resumed>) = 1
[pid 9823] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9828] <... ioctl resumed>) = 0
[pid 9821] <... futex resumed>) = 0
[pid 9828] close(3 <unfinished ...>
[pid 9821] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9828] <... close resumed>) = 0
[pid 9823] <... futex resumed>) = 0
[pid 9821] <... futex resumed>) = 1
[pid 5072] getdents64(4, <unfinished ...>
[pid 9828] mkdir("./file0", 0777 <unfinished ...>
[pid 9823] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9821] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9828] <... mkdir resumed>) = 0
[pid 9823] <... openat resumed>) = 4
[pid 9820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] fstat(4, <unfinished ...>
[pid 9828] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9823] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9823] <... futex resumed>) = 1
[pid 9821] <... futex resumed>) = 0
[pid 9820] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[ 253.288414][ T9830] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 253.318741][ T9828] loop1: detected capacity change from 0 to 4096
[pid 9823] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9821] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 9823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9823] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9821] <... futex resumed>) = 0
[pid 9820] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9821] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9820] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] rmdir("./197/file0" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9820] <... mprotect resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9820] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9820] <... clone resumed>, parent_tid=[9832], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9832
[pid 5070] rmdir("./194/file0" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9820] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9820] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9820] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] rmdir("./197" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9832 attached
[pid 9832] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9832] <... set_robust_list resumed>) = 0
[pid 5072] mkdir("./198", 0777 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9832] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] rmdir("./194" <unfinished ...>
[pid 9832] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9832] <... futex resumed>) = 1
[pid 9820] <... futex resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9832] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] mkdir("./195", 0777 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[ 253.349273][ T9828] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 253.366497][ T9828] NILFS (loop1): trying rollback from an earlier position
[pid 5072] close(3 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9834
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9821] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9821] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 9821] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9834 attached
<unfinished ...>
[pid 9821] <... mmap resumed>) = 0x7fe4250d7000
[pid 9834] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9821] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9834] <... set_robust_list resumed>) = 0
[pid 9821] <... mprotect resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9835
[pid 9834] chdir("./198" <unfinished ...>
[ 253.405554][ T9828] NILFS (loop1): recovery complete
[pid 9821] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9834] <... chdir resumed>) = 0
[pid 9834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9834] setpgid(0, 0) = 0
[pid 9834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9834] write(3, "1000", 4) = 4
[pid 9828] <... mount resumed>) = 0
./strace-static-x86_64: Process 9835 attached
[pid 9834] close(3 <unfinished ...>
[pid 9828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9821] <... clone resumed>, parent_tid=[9836], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9836
[pid 9835] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9834] <... close resumed>) = 0
[pid 9828] <... openat resumed>) = 3
[pid 9821] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9836 attached
<unfinished ...>
[pid 9835] <... set_robust_list resumed>) = 0
[pid 9834] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9831] <... write resumed>) = 2097152
[pid 9828] chdir("./file0" <unfinished ...>
[pid 9821] <... futex resumed>) = 0
[pid 9836] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9835] chdir("./195" <unfinished ...>
[pid 9834] <... symlink resumed>) = 0
[pid 9828] <... chdir resumed>) = 0
[pid 9821] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9836] <... set_robust_list resumed>) = 0
[pid 9835] <... chdir resumed>) = 0
[pid 9834] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9828] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9836] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9834] <... futex resumed>) = 0
[pid 9828] <... ioctl resumed>) = 0
[pid 9836] <... mmap resumed>) = 0x20000000
[pid 9835] <... prctl resumed>) = 0
[pid 9834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9828] close(4 <unfinished ...>
[pid 9836] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9834] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9836] <... futex resumed>) = 1
[pid 9834] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9836] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9835] setpgid(0, 0 <unfinished ...>
[pid 9834] <... mprotect resumed>) = 0
[pid 9828] <... close resumed>) = 0
[pid 9821] <... futex resumed>) = 0
[pid 9835] <... setpgid resumed>) = 0
[pid 9834] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9828] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9828] <... futex resumed>) = 1
[pid 9826] <... futex resumed>) = 0
[pid 9835] <... openat resumed>) = 3
[pid 9834] <... clone resumed>, parent_tid=[9837], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9837
[pid 9831] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9828] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9826] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9835] write(3, "1000", 4 <unfinished ...>
[pid 9834] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9831] <... munmap resumed>) = 0
[pid 9828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9826] <... futex resumed>) = 0
./strace-static-x86_64: Process 9837 attached
[pid 9835] <... write resumed>) = 4
[pid 9834] <... futex resumed>) = 0
[ 253.444874][ T9833] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9831] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9828] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9826] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9837] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9835] close(3 <unfinished ...>
[pid 9834] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9831] <... openat resumed>) = 4
[pid 9837] <... set_robust_list resumed>) = 0
[pid 9835] <... close resumed>) = 0
[pid 9831] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9828] <... openat resumed>) = 4
[pid 9837] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9835] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9831] <... ioctl resumed>) = 0
[pid 9828] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9837] <... memfd_create resumed>) = 3
[pid 9837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9835] <... symlink resumed>) = 0
[pid 9828] <... futex resumed>) = 1
[pid 9826] <... futex resumed>) = 0
[pid 9837] <... mmap resumed>) = 0x7fe424ef8000
[pid 9835] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9828] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9826] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9835] <... futex resumed>) = 0
[pid 9828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9826] <... futex resumed>) = 0
[pid 9835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9828] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9826] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9835] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9822] <... write resumed>) = 405504
[pid 9831] close(3) = 0
[pid 9831] mkdir("./file0", 0777) = 0
[pid 9831] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9835] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9822] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9820] exit_group(0 <unfinished ...>
[pid 9835] <... mprotect resumed>) = 0
[pid 9832] <... futex resumed>) = ?
[pid 9823] <... write resumed>) = 286720
[pid 9822] <... futex resumed>) = ?
[pid 9820] <... exit_group resumed>) = ?
[pid 9835] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9832] +++ exited with 0 +++
[pid 9823] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9822] +++ exited with 0 +++
[pid 9821] exit_group(0 <unfinished ...>
[pid 9820] +++ exited with 0 +++
[pid 9836] <... futex resumed>) = ?
[pid 9823] <... futex resumed>) = ?
[pid 9821] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 9838 attached
[pid 9836] +++ exited with 0 +++
[pid 9835] <... clone resumed>, parent_tid=[9838], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9838
[pid 9823] +++ exited with 0 +++
[pid 9838] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9835] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9821] +++ exited with 0 +++
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9820, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9838] <... set_robust_list resumed>) = 0
[pid 9835] <... futex resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9838] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9835] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9821, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9838] <... memfd_create resumed>) = 3
[pid 5074] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9838] <... mmap resumed>) = 0x7fe424ef8000
[pid 9837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[ 253.509977][ T9831] loop5: detected capacity change from 0 to 4096
[pid 5074] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] fstat(3, <unfinished ...>
[pid 5074] lstat("./196/binderfs", <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9826] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] unlink("./196/binderfs" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9826] <... futex resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5073] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9826] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9826] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] unlink("./198/binderfs" <unfinished ...>
[pid 9826] <... mprotect resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 9826] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9826] <... clone resumed>, parent_tid=[9839], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9839
[pid 9826] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9826] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9839 attached
<unfinished ...>
[pid 9839] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9839] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9839] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9826] <... futex resumed>) = 0
[pid 9839] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9837] <... write resumed>) = 2097152
[ 253.582400][ T9831] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 253.621551][ T9831] NILFS (loop5): trying rollback from an earlier position
[pid 5074] <... umount2 resumed>) = 0
[pid 9837] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9837] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9837] <... openat resumed>) = 4
[pid 5074] lstat("./196/file0", <unfinished ...>
[pid 9837] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9838] <... write resumed>) = 2097152
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9838] munmap(0x7fe424ef8000, 2097152) = 0
[pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9838] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./196/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./196") = 0
[pid 5074] mkdir("./197", 0777) = 0
[pid 9838] <... ioctl resumed>) = 0
[pid 9837] <... ioctl resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9838] close(3 <unfinished ...>
[pid 9837] close(3 <unfinished ...>
[pid 5073] lstat("./198/file0", <unfinished ...>
[pid 9838] <... close resumed>) = 0
[pid 9837] <... close resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9838] mkdir("./file0", 0777 <unfinished ...>
[pid 9837] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9828] <... write resumed>) = 294912
[pid 9838] <... mkdir resumed>) = 0
[pid 9837] <... mkdir resumed>) = 0
[pid 9831] <... mount resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9838] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9837] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9828] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9828] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9831] <... openat resumed>) = 3
[pid 9828] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 253.684085][ T9837] loop2: detected capacity change from 0 to 4096
[ 253.702099][ T9838] loop0: detected capacity change from 0 to 4096
[ 253.709964][ T9831] NILFS (loop5): recovery complete
[ 253.720236][ T9840] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5074] close(3 <unfinished ...>
[pid 9831] chdir("./file0" <unfinished ...>
[pid 9826] exit_group(0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9831] <... chdir resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9831] ioctl(4, LOOP_CLR_FD) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9841
[pid 9831] close(4) = 0
[pid 9831] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9829] <... futex resumed>) = 0
[pid 9831] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9829] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9829] <... futex resumed>) = 0
[pid 9831] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9829] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 9839] <... futex resumed>) = ?
[pid 9828] <... futex resumed>) = ?
[pid 9826] <... exit_group resumed>) = ?
[pid 5073] <... close resumed>) = 0
[pid 9831] <... openat resumed>) = 4
[pid 9831] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9828] +++ exited with 0 +++
[pid 9831] <... futex resumed>) = 1
[pid 9829] <... futex resumed>) = 0
[pid 9831] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9829] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9829] <... futex resumed>) = 0
[pid 9831] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9829] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9839] +++ exited with 0 +++
[pid 9826] +++ exited with 0 +++
./strace-static-x86_64: Process 9841 attached
[pid 5073] rmdir("./198/file0" <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9826, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} ---
[pid 5073] <... rmdir resumed>) = 0
[pid 9841] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9841] <... set_robust_list resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9841] chdir("./197" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9841] <... chdir resumed>) = 0
[pid 9841] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[ 253.742492][ T9838] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 253.760101][ T9837] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 253.771133][ T9838] NILFS (loop0): trying rollback from an earlier position
[ 253.780302][ T9837] NILFS (loop2): trying rollback from an earlier position
[pid 5073] rmdir("./198" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9841] <... prctl resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9841] setpgid(0, 0 <unfinished ...>
[pid 5073] mkdir("./199", 0777 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9841] <... setpgid resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9841] <... openat resumed>) = 3
[pid 5073] <... openat resumed>) = 3
[pid 5071] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9841] write(3, "1000", 4 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9841] <... write resumed>) = 4
[pid 9829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] lstat("./195/binderfs", <unfinished ...>
[pid 9841] close(3 <unfinished ...>
[pid 9837] <... mount resumed>) = 0
[pid 9829] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9841] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] unlink("./195/binderfs" <unfinished ...>
[pid 9841] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9841] <... symlink resumed>) = 0
[pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9841] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9844
[pid 9841] <... futex resumed>) = 0
[pid 9841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[ 253.802835][ T9838] NILFS (loop0): recovery complete
[ 253.808403][ T9837] NILFS (loop2): recovery complete
[ 253.829659][ T9843] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9841] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9838] <... mount resumed>) = 0
[pid 9837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9829] <... futex resumed>) = 0
[pid 9841] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9837] <... openat resumed>) = 3
[pid 9829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9844 attached
<unfinished ...>
[pid 9844] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9841] <... clone resumed>, parent_tid=[9845], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9845
[pid 9844] <... set_robust_list resumed>) = 0
[pid 9841] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9844] chdir("./199" <unfinished ...>
[pid 9841] <... futex resumed>) = 0
[pid 9844] <... chdir resumed>) = 0
[pid 9841] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9844] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9845 attached
) = 0
[pid 9845] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9844] setpgid(0, 0 <unfinished ...>
[pid 9845] <... set_robust_list resumed>) = 0
[pid 9844] <... setpgid resumed>) = 0
[pid 9837] chdir("./file0" <unfinished ...>
[pid 9829] <... mmap resumed>) = 0x7fe4250d7000
[pid 9838] <... openat resumed>) = 3
[pid 9845] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9838] chdir("./file0" <unfinished ...>
[pid 9837] <... chdir resumed>) = 0
[pid 9829] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9845] <... memfd_create resumed>) = 3
[pid 9844] <... openat resumed>) = 3
[pid 9838] <... chdir resumed>) = 0
[pid 9837] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9829] <... mprotect resumed>) = 0
[pid 9845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9844] write(3, "1000", 4 <unfinished ...>
[pid 9838] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9837] <... ioctl resumed>) = 0
[pid 9829] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9845] <... mmap resumed>) = 0x7fe424ef8000
[pid 9844] <... write resumed>) = 4
[pid 9838] <... ioctl resumed>) = 0
[pid 9837] close(4./strace-static-x86_64: Process 9846 attached
<unfinished ...>
[ 253.841795][ T9842] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9844] close(3 <unfinished ...>
[pid 9838] close(4 <unfinished ...>
[pid 9837] <... close resumed>) = 0
[pid 9829] <... clone resumed>, parent_tid=[9846], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9846
[pid 5071] <... umount2 resumed>) = 0
[pid 9844] <... close resumed>) = 0
[pid 9844] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9846] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9844] <... symlink resumed>) = 0
[pid 9846] <... set_robust_list resumed>) = 0
[pid 9844] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9838] <... close resumed>) = 0
[pid 9837] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9846] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9844] <... futex resumed>) = 0
[pid 9838] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9837] <... futex resumed>) = 1
[pid 9834] <... futex resumed>) = 0
[pid 9829] <... futex resumed>) = 0
[pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9846] <... mmap resumed>) = 0x20000000
[pid 9844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9838] <... futex resumed>) = 1
[pid 9837] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9835] <... futex resumed>) = 0
[pid 9834] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9846] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9844] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9838] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9835] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9834] <... futex resumed>) = 0
[pid 9829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5071] lstat("./195/file0", <unfinished ...>
[pid 9846] <... futex resumed>) = 0
[pid 9844] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9837] <... openat resumed>) = 4
[pid 9835] <... futex resumed>) = 0
[pid 9834] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9846] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9844] <... mprotect resumed>) = 0
[pid 9838] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9837] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9835] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9844] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9837] <... futex resumed>) = 1
[pid 9834] <... futex resumed>) = 0
[pid 9844] <... clone resumed>, parent_tid=[9847], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9847
[pid 9838] <... openat resumed>) = 4
[pid 9837] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9834] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9844] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9838] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9834] <... futex resumed>) = 0
[pid 9844] <... futex resumed>) = 0
[pid 9838] <... futex resumed>) = 1
[pid 9837] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9835] <... futex resumed>) = 0
[pid 9834] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9847 attached
[pid 9844] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9838] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9835] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9847] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9835] <... futex resumed>) = 0
[pid 9847] <... set_robust_list resumed>) = 0
[pid 9845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9835] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9847] memfd_create("syzkaller", 0) = 3
[pid 9847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5071] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9838] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./195/file0") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./195") = 0
[pid 5071] mkdir("./196", 0777 <unfinished ...>
[pid 9847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9835] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9835] <... mmap resumed>) = 0x7fe4250d7000
[pid 9834] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9835] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9834] <... futex resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9845] <... write resumed>) = 2097152
[pid 9835] <... mprotect resumed>) = 0
[pid 9834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9835] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9834] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9834] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9835] <... clone resumed>, parent_tid=[9848], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9848
[pid 9835] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9834] <... mprotect resumed>) = 0
[pid 9835] <... futex resumed>) = 0
[pid 9834] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9849
./strace-static-x86_64: Process 9848 attached
[pid 9835] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9848] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9834] <... clone resumed>, parent_tid=[9850], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9850
./strace-static-x86_64: Process 9849 attached
[pid 9848] <... set_robust_list resumed>) = 0
[pid 9834] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9849] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9848] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9845] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9834] <... futex resumed>) = 0
./strace-static-x86_64: Process 9850 attached
[pid 9849] <... set_robust_list resumed>) = 0
[pid 9848] <... mmap resumed>) = 0x20000000
[pid 9845] <... munmap resumed>) = 0
[pid 9834] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9850] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9849] chdir("./196" <unfinished ...>
[pid 9848] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9845] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9850] <... set_robust_list resumed>) = 0
[pid 9849] <... chdir resumed>) = 0
[pid 9848] <... futex resumed>) = 1
[pid 9845] <... openat resumed>) = 4
[pid 9835] <... futex resumed>) = 0
[pid 9831] <... write resumed>) = 249856
[pid 9848] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9831] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9829] exit_group(0 <unfinished ...>
[pid 9850] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9846] <... futex resumed>) = ?
[pid 9831] <... futex resumed>) = ?
[pid 9829] <... exit_group resumed>) = ?
[pid 9850] <... mmap resumed>) = 0x20000000
[pid 9849] <... prctl resumed>) = 0
[pid 9846] +++ exited with 0 +++
[pid 9831] +++ exited with 0 +++
[pid 9829] +++ exited with 0 +++
[pid 9849] setpgid(0, 0 <unfinished ...>
[pid 9850] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9849] <... setpgid resumed>) = 0
[pid 9845] <... ioctl resumed>) = 0
[pid 9845] close(3) = 0
[pid 9845] mkdir("./file0", 0777) = 0
[pid 9850] <... futex resumed>) = 1
[pid 9849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9834] <... futex resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9829, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 9850] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9849] <... openat resumed>) = 3
[pid 9845] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9849] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 9849] <... write resumed>) = 4
[pid 9847] <... write resumed>) = 2097152
[pid 9838] <... write resumed>) = 155648
[pid 9849] close(3 <unfinished ...>
[pid 9847] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9838] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9835] exit_group(0 <unfinished ...>
[pid 9849] <... close resumed>) = 0
[pid 9848] <... futex resumed>) = ?
[pid 9847] <... munmap resumed>) = 0
[pid 9838] <... futex resumed>) = ?
[pid 9835] <... exit_group resumed>) = ?
[pid 9849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9848] +++ exited with 0 +++
[pid 9847] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9838] +++ exited with 0 +++
[pid 9835] +++ exited with 0 +++
[pid 5075] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9849] <... symlink resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9835, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[ 254.023613][ T9845] loop4: detected capacity change from 0 to 4096
[pid 9849] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9847] <... openat resumed>) = 4
[pid 9837] <... write resumed>) = 192512
[pid 5075] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9849] <... futex resumed>) = 0
[pid 9837] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9837] <... futex resumed>) = 0
[pid 9837] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./195/binderfs", <unfinished ...>
[pid 9849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9847] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9834] exit_group(0 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9849] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5070] unlink("./195/binderfs" <unfinished ...>
[pid 9850] <... futex resumed>) = ?
[pid 9837] <... futex resumed>) = ?
[pid 9834] <... exit_group resumed>) = ?
[pid 5075] fstat(3, <unfinished ...>
[pid 9849] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9837] +++ exited with 0 +++
[pid 5070] <... unlink resumed>) = 0
[pid 9849] <... mprotect resumed>) = 0
[pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9849] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9851], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9851
[pid 9849] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9849] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9850] +++ exited with 0 +++
[pid 9834] +++ exited with 0 +++
[pid 9847] <... ioctl resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9834, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0
./strace-static-x86_64: Process 9851 attached
[pid 5072] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9851] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9851] <... set_robust_list resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9847] close(3 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9847] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... openat resumed>) = 3
[pid 9847] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9851] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9847] <... mkdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] fstat(3, <unfinished ...>
[pid 9851] <... memfd_create resumed>) = 3
[ 254.084986][ T9845] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 254.095789][ T9847] loop3: detected capacity change from 0 to 4096
[ 254.105272][ T9845] NILFS (loop4): trying rollback from an earlier position
[ 254.121414][ T9845] NILFS (loop4): recovery complete
[pid 9847] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] lstat("./200/binderfs", <unfinished ...>
[pid 9851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9845] <... mount resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 5075] unlink("./200/binderfs") = 0
[pid 5075] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9851] <... mmap resumed>) = 0x7fe424ef8000
[pid 9845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9845] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9845] chdir("./file0" <unfinished ...>
[pid 5072] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] lstat("./195/file0", <unfinished ...>
[pid 9845] <... chdir resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9845] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] lstat("./198/binderfs", <unfinished ...>
[pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9845] <... ioctl resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9845] close(4 <unfinished ...>
[pid 5072] unlink("./198/binderfs" <unfinished ...>
[pid 9845] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9845] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9845] <... futex resumed>) = 1
[pid 9841] <... futex resumed>) = 0
[pid 5070] <... openat resumed>) = 4
[pid 9841] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 9845] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9841] <... futex resumed>) = 0
[pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9841] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, <unfinished ...>
[pid 9845] <... openat resumed>) = 4
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9845] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9841] <... futex resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9845] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9841] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9841] <... futex resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9845] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9841] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] rmdir("./195/file0") = 0
[ 254.145267][ T9847] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 254.149322][ T9852] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 254.156090][ T9847] NILFS (loop3): trying rollback from an earlier position
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./195") = 0
[pid 5070] mkdir("./196", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9853
./strace-static-x86_64: Process 9853 attached
[pid 5075] <... umount2 resumed>) = 0
[pid 9853] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9853] chdir("./196") = 0
[pid 9853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9853] setpgid(0, 0 <unfinished ...>
[pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9853] <... setpgid resumed>) = 0
[pid 9841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9841] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9841] <... futex resumed>) = 0
[pid 9841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] lstat("./198/file0", <unfinished ...>
[pid 9841] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9853] <... openat resumed>) = 3
[pid 9841] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9841] <... mprotect resumed>) = 0
[pid 9853] write(3, "1000", 4) = 4
[pid 9841] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9853] close(3 <unfinished ...>
[pid 9841] <... clone resumed>, parent_tid=[9855], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9855
[pid 5072] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9853] <... close resumed>) = 0
[pid 9853] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9841] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9841] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9853] <... symlink resumed>) = 0
[ 254.238032][ T9847] NILFS (loop3): recovery complete
[pid 9841] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./200/file0", <unfinished ...>
[pid 5072] fstat(4, ./strace-static-x86_64: Process 9855 attached
<unfinished ...>
[pid 9853] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9847] <... mount resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9855] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9853] <... futex resumed>) = 0
[pid 9847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9855] <... set_robust_list resumed>) = 0
[pid 9853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9847] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9855] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9853] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9847] chdir("./file0" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9853] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9847] <... chdir resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9847] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 9853] <... mprotect resumed>) = 0
[pid 9847] <... ioctl resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 9855] <... mmap resumed>) = 0x20000000
[pid 9853] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9847] close(4 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] rmdir("./198/file0" <unfinished ...>
[pid 9855] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9847] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... rmdir resumed>) = 0
[pid 9855] <... futex resumed>) = 1
[pid 9853] <... clone resumed>, parent_tid=[9856], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9856
[pid 9847] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9841] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9855] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9853] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9847] <... futex resumed>) = 1
[pid 9844] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9853] <... futex resumed>) = 0
[pid 9847] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5075] rmdir("./200/file0" <unfinished ...>
[pid 5072] rmdir("./198" <unfinished ...>
[pid 9853] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9844] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9856 attached
[pid 9851] <... write resumed>) = 2097152
[pid 9847] <... futex resumed>) = 0
[pid 9844] <... futex resumed>) = 1
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] mkdir("./199", 0777 <unfinished ...>
[pid 9856] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[ 254.269944][ T9854] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9847] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9844] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 9856] <... set_robust_list resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5075] rmdir("./200" <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9856] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9856] <... memfd_create resumed>) = 3
[pid 5075] mkdir("./201", 0777 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9847] <... openat resumed>) = 4
[pid 5072] <... close resumed>) = 0
[pid 9856] <... mmap resumed>) = 0x7fe424ef8000
[pid 9847] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9847] <... futex resumed>) = 1
[pid 9844] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 9847] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9844] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9857
[pid 9847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9844] <... futex resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9847] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9844] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(3) = 0
[pid 9851] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9851] <... munmap resumed>) = 0
[pid 9845] <... write resumed>) = 200704
[pid 9845] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9858
./strace-static-x86_64: Process 9858 attached
./strace-static-x86_64: Process 9857 attached
[pid 9856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9851] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9845] <... futex resumed>) = 0
[pid 9841] exit_group(0 <unfinished ...>
[pid 9858] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9857] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9845] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9857] <... set_robust_list resumed>) = 0
[pid 9857] chdir("./199") = 0
[pid 9857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9857] setpgid(0, 0) = 0
[pid 9857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9851] <... openat resumed>) = 4
[pid 9845] <... futex resumed>) = ?
[pid 9841] <... exit_group resumed>) = ?
[pid 9855] <... futex resumed>) = ?
[pid 9858] <... set_robust_list resumed>) = 0
[pid 9857] write(3, "1000", 4 <unfinished ...>
[pid 9855] +++ exited with 0 +++
[pid 9845] +++ exited with 0 +++
[pid 9857] <... write resumed>) = 4
[pid 9857] close(3) = 0
[pid 9857] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9851] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9858] chdir("./201" <unfinished ...>
[pid 9841] +++ exited with 0 +++
[pid 9857] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9841, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9857] <... futex resumed>) = 0
[pid 9857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5074] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9857] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9857] <... mprotect resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9857] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5074] fstat(3, <unfinished ...>
[pid 9857] <... clone resumed>, parent_tid=[9859], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9859
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9857] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9857] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9857] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./197/binderfs", <unfinished ...>
[pid 9858] <... chdir resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9858] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] unlink("./197/binderfs" <unfinished ...>
[pid 9858] <... prctl resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
./strace-static-x86_64: Process 9859 attached
[pid 9858] setpgid(0, 0 <unfinished ...>
[pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9859] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9858] <... setpgid resumed>) = 0
[pid 9851] <... ioctl resumed>) = 0
[pid 9859] <... set_robust_list resumed>) = 0
[pid 9858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9859] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9858] <... openat resumed>) = 3
[pid 9856] <... write resumed>) = 2097152
[pid 9851] close(3 <unfinished ...>
[pid 9844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9859] <... memfd_create resumed>) = 3
[pid 9859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9858] write(3, "1000", 4 <unfinished ...>
[pid 9851] <... close resumed>) = 0
[pid 9844] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9859] <... mmap resumed>) = 0x7fe424ef8000
[pid 9858] <... write resumed>) = 4
[pid 9851] mkdir("./file0", 0777 <unfinished ...>
[pid 9844] <... futex resumed>) = 0
[pid 9858] close(3 <unfinished ...>
[pid 9856] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9851] <... mkdir resumed>) = 0
[pid 9844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9858] <... close resumed>) = 0
[pid 9851] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9844] <... mmap resumed>) = 0x7fe4250d7000
[pid 9858] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9844] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9858] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9856] <... munmap resumed>) = 0
[pid 9844] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9858] <... futex resumed>) = 0
[pid 9858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9844] <... clone resumed>, parent_tid=[9860], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9860
[pid 9856] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9858] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9856] <... openat resumed>) = 4
[pid 9844] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9858] <... mprotect resumed>) = 0
[ 254.390822][ T9851] loop1: detected capacity change from 0 to 4096
[pid 9856] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9844] <... futex resumed>) = 0
./strace-static-x86_64: Process 9860 attached
[pid 9844] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9860] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9858] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9860] <... set_robust_list resumed>) = 0
[pid 9860] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9860] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9844] <... futex resumed>) = 0
[pid 9858] <... clone resumed>, parent_tid=[9861], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9861
[pid 9860] <... futex resumed>) = 1
[pid 9860] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9858] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9858] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9861 attached
<unfinished ...>
[pid 9861] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9861] memfd_create("syzkaller", 0) = 3
[pid 9861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9856] <... ioctl resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 9861] <... mmap resumed>) = 0x7fe424ef8000
[pid 9856] close(3 <unfinished ...>
[pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9856] <... close resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9856] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] lstat("./197/file0", <unfinished ...>
[pid 9856] <... mkdir resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9856] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 254.451812][ T9856] loop0: detected capacity change from 0 to 4096
[ 254.470374][ T9851] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 254.487420][ T9851] NILFS (loop1): trying rollback from an earlier position
[pid 9861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./197/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./197") = 0
[pid 5074] mkdir("./198", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9863
./strace-static-x86_64: Process 9863 attached
[pid 9863] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9863] chdir("./198") = 0
[pid 9851] <... mount resumed>) = 0
[pid 9847] <... write resumed>) = 274432
[pid 9863] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9847] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9844] exit_group(0 <unfinished ...>
[pid 9863] <... prctl resumed>) = 0
[pid 9860] <... futex resumed>) = ?
[ 254.520113][ T9851] NILFS (loop1): recovery complete
[ 254.527275][ T9856] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 254.535315][ T9856] NILFS (loop0): trying rollback from an earlier position
[ 254.545685][ T9862] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9859] <... write resumed>) = 2097152
[pid 9851] <... openat resumed>) = 3
[pid 9847] <... futex resumed>) = ?
[pid 9844] <... exit_group resumed>) = ?
[pid 9863] setpgid(0, 0 <unfinished ...>
[pid 9861] <... write resumed>) = 2097152
[pid 9847] +++ exited with 0 +++
[pid 9863] <... setpgid resumed>) = 0
[pid 9863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9860] +++ exited with 0 +++
[pid 9859] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9851] chdir("./file0" <unfinished ...>
[pid 9863] write(3, "1000", 4 <unfinished ...>
[pid 9844] +++ exited with 0 +++
[pid 9863] <... write resumed>) = 4
[pid 9859] <... munmap resumed>) = 0
[pid 9851] <... chdir resumed>) = 0
[pid 9863] close(3 <unfinished ...>
[pid 9859] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9851] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9844, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 9856] <... mount resumed>) = 0
[pid 9863] <... close resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9863] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9863] <... symlink resumed>) = 0
[pid 9863] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9863] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9861] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9859] <... openat resumed>) = 4
[pid 9851] <... ioctl resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9863] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9859] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9851] close(4 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9863] <... mprotect resumed>) = 0
[pid 9861] <... munmap resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 9863] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9861] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9861] <... openat resumed>) = 4
[pid 5073] getdents64(3, <unfinished ...>
[pid 9863] <... clone resumed>, parent_tid=[9865], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9865
[ 254.584402][ T9856] NILFS (loop0): recovery complete
[ 254.595793][ T9864] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 254.608846][ T9859] loop2: detected capacity change from 0 to 4096
[pid 9861] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9865 attached
[pid 9863] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9859] <... ioctl resumed>) = 0
[pid 9856] <... openat resumed>) = 3
[pid 9851] <... close resumed>) = 0
[pid 9865] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9859] close(3 <unfinished ...>
[pid 9856] chdir("./file0" <unfinished ...>
[pid 9851] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9865] <... set_robust_list resumed>) = 0
[pid 9859] <... close resumed>) = 0
[pid 9856] <... chdir resumed>) = 0
[pid 9851] <... futex resumed>) = 1
[pid 9865] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9859] mkdir("./file0", 0777 <unfinished ...>
[pid 9856] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9851] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9865] <... memfd_create resumed>) = 3
[pid 9859] <... mkdir resumed>) = 0
[pid 9856] <... ioctl resumed>) = 0
[pid 9865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9859] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9856] close(4 <unfinished ...>
[pid 9865] <... mmap resumed>) = 0x7fe424ef8000
[pid 9863] <... futex resumed>) = 0
[pid 9856] <... close resumed>) = 0
[pid 9849] <... futex resumed>) = 0
[pid 5073] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9863] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9856] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9856] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9849] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9853] <... futex resumed>) = 0
[pid 9853] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9853] <... futex resumed>) = 1
[pid 5073] lstat("./199/binderfs", <unfinished ...>
[pid 9853] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9849] <... futex resumed>) = 1
[pid 9856] <... futex resumed>) = 0
[pid 9851] <... futex resumed>) = 0
[pid 9849] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./199/binderfs" <unfinished ...>
[pid 9856] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9851] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9856] <... openat resumed>) = 4
[pid 9851] <... openat resumed>) = 4
[pid 9856] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9851] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9856] <... futex resumed>) = 1
[pid 9853] <... futex resumed>) = 0
[pid 9851] <... futex resumed>) = 1
[pid 9853] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9849] <... futex resumed>) = 0
[pid 9853] <... futex resumed>) = 0
[pid 9853] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9849] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9856] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9851] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9849] <... futex resumed>) = 0
[pid 9849] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9861] <... ioctl resumed>) = 0
[pid 9861] close(3) = 0
[pid 9861] mkdir("./file0", 0777) = 0
[ 254.628010][ T9859] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 254.637736][ T9861] loop5: detected capacity change from 0 to 4096
[pid 9861] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9865] <... write resumed>) = 2097152
[pid 9853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9853] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9853] <... mmap resumed>) = 0x7fe4250d7000
[ 254.687129][ T9859] NILFS (loop2): trying rollback from an earlier position
[ 254.724648][ T9861] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9853] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9849] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 9853] <... mprotect resumed>) = 0
[pid 9849] <... futex resumed>) = 0
[pid 9853] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9849] <... mmap resumed>) = 0x7fe4250d7000
[pid 9849] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9849] <... mprotect resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9853] <... clone resumed>, parent_tid=[9866], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9866
[pid 9865] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9853] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9849] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9865] <... munmap resumed>) = 0
[pid 9853] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9865] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9853] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9849] <... clone resumed>, parent_tid=[9867], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9867
[pid 5073] close(4 <unfinished ...>
[pid 9865] <... openat resumed>) = 4
[pid 5073] <... close resumed>) = 0
[pid 9865] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 9867 attached
<unfinished ...>
[pid 9849] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./199/file0"./strace-static-x86_64: Process 9866 attached
<unfinished ...>
[pid 9867] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9859] <... mount resumed>) = 0
[pid 9849] <... futex resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9867] <... set_robust_list resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9867] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9867] <... mmap resumed>) = 0x20000000
[pid 9866] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9849] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9867] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9866] <... set_robust_list resumed>) = 0
[pid 9859] <... openat resumed>) = 3
[pid 9849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5073] <... close resumed>) = 0
[pid 9867] <... futex resumed>) = 0
[pid 9866] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 254.735560][ T9859] NILFS (loop2): recovery complete
[ 254.750271][ T9865] loop4: detected capacity change from 0 to 4096
[ 254.763134][ T9861] NILFS (loop5): trying rollback from an earlier position
[ 254.772332][ T9868] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9859] chdir("./file0" <unfinished ...>
[pid 5073] rmdir("./199" <unfinished ...>
[pid 9867] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9866] <... mmap resumed>) = 0x20000000
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] mkdir("./200", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9866] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9859] <... chdir resumed>) = 0
[pid 9853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9865] <... ioctl resumed>) = 0
[pid 9861] <... mount resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9870
./strace-static-x86_64: Process 9870 attached
[pid 9870] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9870] chdir("./200") = 0
[pid 9870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9870] setpgid(0, 0) = 0
[pid 9870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9870] write(3, "1000", 4) = 4
[pid 9866] <... futex resumed>) = 0
[pid 9865] close(3 <unfinished ...>
[pid 9859] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9870] close(3) = 0
[pid 9870] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9870] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9870] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9870] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9871], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9871
[pid 9870] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9870] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9871 attached
<unfinished ...>
[pid 9871] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9871] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9866] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9865] <... close resumed>) = 0
[pid 9861] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9859] <... ioctl resumed>) = 0
[pid 9865] mkdir("./file0", 0777 <unfinished ...>
[pid 9861] <... openat resumed>) = 3
[pid 9859] close(4 <unfinished ...>
[pid 9865] <... mkdir resumed>) = 0
[pid 9861] chdir("./file0" <unfinished ...>
[pid 9859] <... close resumed>) = 0
[pid 9851] <... write resumed>) = 200704
[pid 9865] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9861] <... chdir resumed>) = 0
[pid 9859] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9861] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9859] <... futex resumed>) = 1
[pid 9857] <... futex resumed>) = 0
[ 254.800717][ T9861] NILFS (loop5): recovery complete
[ 254.814914][ T9869] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9851] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9849] exit_group(0 <unfinished ...>
[pid 9871] <... memfd_create resumed>) = 3
[pid 9867] <... futex resumed>) = ?
[pid 9861] <... ioctl resumed>) = 0
[pid 9859] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9857] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9851] <... futex resumed>) = ?
[pid 9849] <... exit_group resumed>) = ?
[pid 9871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9867] +++ exited with 0 +++
[pid 9861] close(4 <unfinished ...>
[pid 9859] <... openat resumed>) = 4
[pid 9857] <... futex resumed>) = 0
[pid 9851] +++ exited with 0 +++
[pid 9849] +++ exited with 0 +++
[pid 9871] <... mmap resumed>) = 0x7fe424ef8000
[pid 9861] <... close resumed>) = 0
[pid 9859] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9857] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9861] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9859] <... futex resumed>) = 0
[pid 9857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9849, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9861] <... futex resumed>) = 1
[pid 9859] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9858] <... futex resumed>) = 0
[pid 9857] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9861] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9858] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9857] <... futex resumed>) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 9861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9859] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9858] <... futex resumed>) = 0
[pid 9857] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9861] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9858] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./196/binderfs") = 0
[pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9861] <... openat resumed>) = 4
[pid 9856] <... write resumed>) = 212992
[pid 9861] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9856] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9853] exit_group(0 <unfinished ...>
[pid 9866] <... futex resumed>) = ?
[pid 9861] <... futex resumed>) = 1
[pid 9858] <... futex resumed>) = 0
[pid 9856] <... futex resumed>) = ?
[pid 9853] <... exit_group resumed>) = ?
[pid 9866] +++ exited with 0 +++
[pid 9861] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9858] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9856] +++ exited with 0 +++
[pid 9853] +++ exited with 0 +++
[pid 9861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9858] <... futex resumed>) = 0
[ 254.879542][ T9865] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 254.917879][ T9865] NILFS (loop4): trying rollback from an earlier position
[pid 9861] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9858] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9853, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 9857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9857] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9857] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9857] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9857] <... clone resumed>, parent_tid=[9873], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9873
[pid 9865] <... mount resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9865] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9857] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 254.955801][ T9865] NILFS (loop4): recovery complete
[pid 5070] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9873 attached
) = -1 EINVAL (Invalid argument)
[pid 9873] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9857] <... futex resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9865] <... openat resumed>) = 3
[pid 9857] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9865] chdir("./file0") = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9865] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9865] <... ioctl resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9865] close(4 <unfinished ...>
[pid 5070] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9873] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9865] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9871] <... write resumed>) = 2097152
[pid 9865] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9873] <... mmap resumed>) = 0x20000000
[pid 9871] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9865] <... futex resumed>) = 1
[pid 9863] <... futex resumed>) = 0
[pid 9858] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5070] lstat("./196/binderfs", <unfinished ...>
[pid 9873] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9871] <... munmap resumed>) = 0
[pid 9865] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9863] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9858] <... futex resumed>) = 0
[ 254.990488][ T9872] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] fstat(4, <unfinished ...>
[pid 9873] <... futex resumed>) = 1
[pid 9871] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9865] <... openat resumed>) = 4
[pid 9863] <... futex resumed>) = 0
[pid 9858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9857] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9873] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9871] <... openat resumed>) = 4
[pid 9865] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9863] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9858] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] unlink("./196/binderfs" <unfinished ...>
[pid 9871] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9865] <... futex resumed>) = 0
[pid 9863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9858] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9863] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9858] <... mprotect resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 9863] <... futex resumed>) = 0
[pid 9858] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9863] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 9858] <... clone resumed>, parent_tid=[9874], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9874
[pid 5071] <... close resumed>) = 0
[pid 9858] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./196/file0" <unfinished ...>
[pid 9858] <... futex resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 9858] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 9865] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./196") = 0
[pid 5071] mkdir("./197", 0777) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
./strace-static-x86_64: Process 9874 attached
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9874] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9875
[pid 9874] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9874] <... mmap resumed>) = 0x20000000
[pid 9874] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9871] <... ioctl resumed>) = 0
[pid 9858] <... futex resumed>) = 0
[pid 9874] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9871] close(3) = 0
[pid 9871] mkdir("./file0", 0777./strace-static-x86_64: Process 9875 attached
<unfinished ...>
[pid 9875] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9871] <... mkdir resumed>) = 0
[pid 9875] <... set_robust_list resumed>) = 0
[pid 9871] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9875] chdir("./197") = 0
[pid 9875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9875] setpgid(0, 0) = 0
[pid 9863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[ 255.059210][ T9871] loop3: detected capacity change from 0 to 4096
[pid 9863] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] <... openat resumed>) = 3
[pid 9863] <... futex resumed>) = 0
[pid 9875] write(3, "1000", 4 <unfinished ...>
[pid 9863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9875] <... write resumed>) = 4
[pid 9863] <... mmap resumed>) = 0x7fe4250d7000
[pid 9875] close(3 <unfinished ...>
[pid 9863] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9875] <... close resumed>) = 0
[pid 9863] <... mprotect resumed>) = 0
[pid 9875] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9863] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9875] <... symlink resumed>) = 0
[pid 9875] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9863] <... clone resumed>, parent_tid=[9876], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9876
[pid 9875] <... futex resumed>) = 0
[pid 9863] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9863] <... futex resumed>) = 0
[pid 9875] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9863] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9875] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
./strace-static-x86_64: Process 9876 attached
[pid 9875] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9876] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9876] <... set_robust_list resumed>) = 0
[pid 9875] <... clone resumed>, parent_tid=[9877], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9877
[pid 9876] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9876] <... mmap resumed>) = 0x20000000
[pid 9875] <... futex resumed>) = 0
./strace-static-x86_64: Process 9877 attached
[pid 9876] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9877] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9876] <... futex resumed>) = 1
[pid 9863] <... futex resumed>) = 0
[pid 9877] <... set_robust_list resumed>) = 0
[pid 9876] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9877] memfd_create("syzkaller", 0) = 3
[pid 5070] lstat("./196/file0", <unfinished ...>
[pid 9877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9877] <... mmap resumed>) = 0x7fe424ef8000
[pid 9859] <... write resumed>) = 405504
[pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9859] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9859] <... futex resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9859] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9857] exit_group(0 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9873] <... futex resumed>) = ?
[pid 9859] <... futex resumed>) = ?
[pid 9857] <... exit_group resumed>) = ?
[ 255.134058][ T9871] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5070] fstat(4, <unfinished ...>
[pid 9873] +++ exited with 0 +++
[pid 9861] <... write resumed>) = 212992
[pid 9859] +++ exited with 0 +++
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./196/file0") = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9861] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9857] +++ exited with 0 +++
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9861] <... futex resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9861] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9858] exit_group(0 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9857, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5070] <... close resumed>) = 0
[pid 9874] <... futex resumed>) = ?
[pid 9861] <... futex resumed>) = ?
[pid 9858] <... exit_group resumed>) = ?
[pid 5072] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] rmdir("./196" <unfinished ...>
[pid 9874] +++ exited with 0 +++
[pid 9861] +++ exited with 0 +++
[pid 9858] +++ exited with 0 +++
[pid 5070] <... rmdir resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9858, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] mkdir("./197", 0777 <unfinished ...>
[pid 9865] <... write resumed>) = 151552
[pid 5072] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 9865] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9865] <... futex resumed>) = 0
[pid 5075] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9865] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9863] exit_group(0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9876] <... futex resumed>) = ?
[pid 9865] <... futex resumed>) = ?
[pid 9863] <... exit_group resumed>) = ?
[pid 5075] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9876] +++ exited with 0 +++
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9878
./strace-static-x86_64: Process 9878 attached
[pid 9865] +++ exited with 0 +++
[pid 9863] +++ exited with 0 +++
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9863, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5074] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9878] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9878] <... set_robust_list resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9878] chdir("./197" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9878] <... chdir resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9878] <... prctl resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] lstat("./199/binderfs", <unfinished ...>
[pid 9878] setpgid(0, 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9878] <... setpgid resumed>) = 0
[pid 5075] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] unlink("./199/binderfs" <unfinished ...>
[pid 9878] <... openat resumed>) = 3
[pid 5075] lstat("./201/binderfs", <unfinished ...>
[pid 5074] lstat("./198/binderfs", <unfinished ...>
[pid 9878] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 9878] <... write resumed>) = 4
[pid 5075] unlink("./201/binderfs" <unfinished ...>
[pid 5074] unlink("./198/binderfs" <unfinished ...>
[pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9878] close(3 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 9878] <... close resumed>) = 0
[ 255.182647][ T9871] NILFS (loop3): trying rollback from an earlier position
[ 255.215042][ T9871] NILFS (loop3): recovery complete
[pid 5075] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9878] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9878] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9878] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9878] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9871] <... mount resumed>) = 0
[pid 9878] <... clone resumed>, parent_tid=[9880], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9880
[pid 9878] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9871] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9878] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9880 attached
<unfinished ...>
[pid 9880] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9880] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9871] <... openat resumed>) = 3
[pid 9871] chdir("./file0" <unfinished ...>
[pid 9880] <... memfd_create resumed>) = 3
[pid 9880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9871] <... chdir resumed>) = 0
[pid 9871] ioctl(4, LOOP_CLR_FD) = 0
[pid 9871] close(4) = 0
[pid 9871] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9870] <... futex resumed>) = 0
[pid 9871] <... futex resumed>) = 1
[pid 9871] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9870] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9877] <... write resumed>) = 2097152
[pid 9870] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9877] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid 9877] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5075] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9877] <... ioctl resumed>) = 0
[pid 9871] <... openat resumed>) = 4
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9877] close(3 <unfinished ...>
[pid 9871] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9877] <... close resumed>) = 0
[pid 9871] <... futex resumed>) = 0
[pid 9870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9877] mkdir("./file0", 0777 <unfinished ...>
[pid 9871] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9870] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] lstat("./198/file0", <unfinished ...>
[pid 5072] lstat("./199/file0", <unfinished ...>
[pid 9877] <... mkdir resumed>) = 0
[pid 9871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9870] <... futex resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 255.287385][ T9879] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 255.320846][ T9877] loop1: detected capacity change from 0 to 4096
[pid 9877] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9871] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9870] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... close resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 9880] <... write resumed>) = 2097152
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5074] rmdir("./198/file0" <unfinished ...>
[pid 5072] rmdir("./199/file0" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5074] rmdir("./198" <unfinished ...>
[pid 5072] rmdir("./199" <unfinished ...>
[pid 5075] rmdir("./201/file0" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] mkdir("./199", 0777 <unfinished ...>
[pid 5072] mkdir("./200", 0777 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... openat resumed>) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./201" <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9881
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9882
[pid 5075] <... rmdir resumed>) = 0
[pid 9880] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] mkdir("./202", 0777 <unfinished ...>
[pid 9880] <... munmap resumed>) = 0
[pid 9880] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 9881 attached
[pid 9880] <... openat resumed>) = 4
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9881] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9880] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9881] <... set_robust_list resumed>) = 0
[pid 9870] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9881] chdir("./199" <unfinished ...>
[pid 9870] <... futex resumed>) = 0
[pid 9881] <... chdir resumed>) = 0
[pid 9870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9881] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9870] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9881] <... prctl resumed>) = 0
[pid 9870] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9881] setpgid(0, 0 <unfinished ...>
[pid 9870] <... mprotect resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9881] <... setpgid resumed>) = 0
[pid 9870] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9882 attached
<unfinished ...>
[pid 9881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9870] <... clone resumed>, parent_tid=[9883], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9883
[pid 9881] write(3, "1000", 4 <unfinished ...>
[pid 9870] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9884
[pid 9882] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9881] <... write resumed>) = 4
[pid 9870] <... futex resumed>) = 0
[pid 9882] <... set_robust_list resumed>) = 0
[pid 9881] close(3 <unfinished ...>
[pid 9870] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9882] chdir("./200" <unfinished ...>
[pid 9881] <... close resumed>) = 0
[pid 9882] <... chdir resumed>) = 0
[ 255.391900][ T9877] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 255.401398][ T9877] NILFS (loop1): trying rollback from an earlier position
[ 255.425424][ T9880] loop0: detected capacity change from 0 to 4096
[pid 9881] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9880] <... ioctl resumed>) = 0
[pid 9882] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9881] <... symlink resumed>) = 0
[pid 9881] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9880] close(3./strace-static-x86_64: Process 9883 attached
<unfinished ...>
[pid 9881] <... futex resumed>) = 0
[pid 9880] <... close resumed>) = 0
./strace-static-x86_64: Process 9884 attached
[pid 9883] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9882] <... prctl resumed>) = 0
[pid 9881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9880] mkdir("./file0", 0777 <unfinished ...>
[pid 9884] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9883] <... set_robust_list resumed>) = 0
[pid 9882] setpgid(0, 0 <unfinished ...>
[pid 9881] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9880] <... mkdir resumed>) = 0
[pid 9884] <... set_robust_list resumed>) = 0
[pid 9883] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9882] <... setpgid resumed>) = 0
[pid 9881] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[ 255.454125][ T9877] NILFS (loop1): recovery complete
[pid 9880] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9884] chdir("./202" <unfinished ...>
[pid 9883] <... mmap resumed>) = 0x20000000
[pid 9882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9881] <... mprotect resumed>) = 0
[pid 9883] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9881] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9883] <... futex resumed>) = 1
[pid 9870] <... futex resumed>) = 0
[pid 9883] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9881] <... clone resumed>, parent_tid=[9886], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9886
[pid 9881] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9881] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9886 attached
<unfinished ...>
[pid 9886] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9884] <... chdir resumed>) = 0
[pid 9886] <... set_robust_list resumed>) = 0
[pid 9884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9882] <... openat resumed>) = 3
[pid 9877] <... mount resumed>) = 0
[pid 9886] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9884] <... prctl resumed>) = 0
[pid 9882] write(3, "1000", 4 <unfinished ...>
[pid 9886] <... memfd_create resumed>) = 3
[pid 9884] setpgid(0, 0 <unfinished ...>
[pid 9882] <... write resumed>) = 4
[pid 9877] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9884] <... setpgid resumed>) = 0
[pid 9882] close(3 <unfinished ...>
[pid 9877] <... openat resumed>) = 3
[pid 9886] <... mmap resumed>) = 0x7fe424ef8000
[pid 9884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9882] <... close resumed>) = 0
[pid 9877] chdir("./file0" <unfinished ...>
[pid 9884] <... openat resumed>) = 3
[pid 9882] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9877] <... chdir resumed>) = 0
[pid 9884] write(3, "1000", 4 <unfinished ...>
[pid 9882] <... symlink resumed>) = 0
[pid 9877] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[ 255.476692][ T9885] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 255.494729][ T9880] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 255.513452][ T9880] NILFS (loop0): trying rollback from an earlier position
[pid 9884] <... write resumed>) = 4
[pid 9882] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9877] <... ioctl resumed>) = 0
[pid 9884] close(3 <unfinished ...>
[pid 9882] <... futex resumed>) = 0
[pid 9877] close(4 <unfinished ...>
[pid 9884] <... close resumed>) = 0
[pid 9882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9877] <... close resumed>) = 0
[pid 9884] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9882] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9880] <... mount resumed>) = 0
[pid 9877] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9884] <... symlink resumed>) = 0
[pid 9882] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9877] <... futex resumed>) = 1
[pid 9875] <... futex resumed>) = 0
[pid 9884] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9882] <... mprotect resumed>) = 0
[pid 9877] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9875] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9884] <... futex resumed>) = 0
[pid 9882] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9875] <... futex resumed>) = 0
[pid 9884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9877] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9884] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9882] <... clone resumed>, parent_tid=[9888], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9888
[pid 9884] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9882] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9880] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9877] <... openat resumed>) = 4
[pid 9884] <... mprotect resumed>) = 0
[pid 9882] <... futex resumed>) = 0
[pid 9880] <... openat resumed>) = 3
[pid 9877] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9884] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9882] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9880] chdir("./file0" <unfinished ...>
[pid 9877] <... futex resumed>) = 1
[pid 9875] <... futex resumed>) = 0
./strace-static-x86_64: Process 9888 attached
[pid 9877] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9875] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9888] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9884] <... clone resumed>, parent_tid=[9889], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9889
[pid 9877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9875] <... futex resumed>) = 0
[pid 9888] <... set_robust_list resumed>) = 0
[pid 9884] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9877] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9889 attached
<unfinished ...>
[pid 9888] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9884] <... futex resumed>) = 0
[pid 9880] <... chdir resumed>) = 0
[pid 9871] <... write resumed>) = 274432
[pid 9889] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9888] <... memfd_create resumed>) = 3
[pid 9884] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9880] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9871] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9870] exit_group(0 <unfinished ...>
[pid 9889] <... set_robust_list resumed>) = 0
[pid 9888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9880] <... ioctl resumed>) = 0
[pid 9871] <... futex resumed>) = ?
[pid 9870] <... exit_group resumed>) = ?
[pid 9883] <... futex resumed>) = ?
[pid 9889] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9888] <... mmap resumed>) = 0x7fe424ef8000
[pid 9880] close(4 <unfinished ...>
[pid 9871] +++ exited with 0 +++
[pid 9889] <... memfd_create resumed>) = 3
[pid 9886] <... write resumed>) = 2097152
[pid 9883] +++ exited with 0 +++
[pid 9880] <... close resumed>) = 0
[pid 9870] +++ exited with 0 +++
[pid 9889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9886] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9880] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9870, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[ 255.538626][ T9880] NILFS (loop0): recovery complete
[ 255.558100][ T9887] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9889] <... mmap resumed>) = 0x7fe424ef8000
[pid 9886] <... munmap resumed>) = 0
[pid 9880] <... futex resumed>) = 1
[pid 9878] <... futex resumed>) = 0
[pid 9886] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9880] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9878] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9886] <... openat resumed>) = 4
[pid 9880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9878] <... futex resumed>) = 0
[pid 9886] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9880] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9878] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9886] <... ioctl resumed>) = 0
[pid 9880] <... openat resumed>) = 4
[pid 9875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9886] close(3 <unfinished ...>
[pid 9880] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9886] <... close resumed>) = 0
[pid 9880] <... futex resumed>) = 1
[pid 9878] <... futex resumed>) = 0
[pid 9875] <... futex resumed>) = 0
[pid 9886] mkdir("./file0", 0777 <unfinished ...>
[pid 9880] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9878] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9886] <... mkdir resumed>) = 0
[pid 9880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9878] <... futex resumed>) = 0
[pid 9875] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9886] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 255.632504][ T9886] loop4: detected capacity change from 0 to 4096
[ 255.669729][ T9886] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9880] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9878] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9875] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9875] <... mprotect resumed>) = 0
[pid 9875] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9890 attached
<unfinished ...>
[pid 9875] <... clone resumed>, parent_tid=[9890], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9890
[pid 5073] <... openat resumed>) = 3
[pid 9890] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9890] <... set_robust_list resumed>) = 0
[pid 9875] <... futex resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9890] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9875] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9890] <... mmap resumed>) = 0x20000000
[pid 5073] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9890] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9890] <... futex resumed>) = 1
[pid 9875] <... futex resumed>) = 0
[pid 5073] lstat("./200/binderfs", <unfinished ...>
[pid 9890] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./200/binderfs") = 0
[ 255.686522][ T9886] NILFS (loop4): trying rollback from an earlier position
[pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 255.728652][ T9886] NILFS (loop4): recovery complete
[pid 9878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9886] <... mount resumed>) = 0
[pid 9878] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9878] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9878] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9892], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9892
[pid 9878] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9886] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9878] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 9889] <... write resumed>) = 2097152
[pid 9886] <... openat resumed>) = 3
[pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9892 attached
<unfinished ...>
[pid 9889] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9886] chdir("./file0" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9892] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9889] <... munmap resumed>) = 0
[pid 9886] <... chdir resumed>) = 0
[pid 5073] lstat("./200/file0", <unfinished ...>
[pid 9892] <... set_robust_list resumed>) = 0
[pid 9889] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9886] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9889] <... openat resumed>) = 4
[pid 9892] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9889] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9888] <... write resumed>) = 2097152
[pid 9886] <... ioctl resumed>) = 0
[pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9892] <... mmap resumed>) = 0x20000000
[pid 9888] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9892] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9888] <... munmap resumed>) = 0
[pid 9892] <... futex resumed>) = 1
[pid 9888] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9878] <... futex resumed>) = 0
[pid 9892] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9888] <... openat resumed>) = 4
[pid 9888] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9889] <... ioctl resumed>) = 0
[pid 9886] close(4 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9886] <... close resumed>) = 0
[pid 9888] <... ioctl resumed>) = 0
[pid 9888] close(3 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9886] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 9886] <... futex resumed>) = 1
[pid 9881] <... futex resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 9886] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9881] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9881] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 9886] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9886] <... openat resumed>) = 4
[pid 5073] close(4 <unfinished ...>
[pid 9886] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9886] <... futex resumed>) = 1
[pid 9881] <... futex resumed>) = 0
[pid 5073] rmdir("./200/file0" <unfinished ...>
[pid 9889] close(3 <unfinished ...>
[pid 9886] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9881] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9889] <... close resumed>) = 0
[pid 9886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9881] <... futex resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9889] mkdir("./file0", 0777 <unfinished ...>
[pid 9886] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9881] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9889] <... mkdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9888] <... close resumed>) = 0
[pid 9888] mkdir("./file0", 0777 <unfinished ...>
[pid 9889] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9888] <... mkdir resumed>) = 0
[ 255.754953][ T9891] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 255.789585][ T9889] loop5: detected capacity change from 0 to 4096
[ 255.792602][ T9888] loop2: detected capacity change from 0 to 4096
[pid 5073] close(3 <unfinished ...>
[pid 9888] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./200") = 0
[pid 5073] mkdir("./201", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 9880] <... write resumed>) = 262144
[pid 9877] <... write resumed>) = 401408
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9880] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9877] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9875] exit_group(0 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9890] <... futex resumed>) = ?
[pid 9881] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9880] <... futex resumed>) = 0
[pid 9878] exit_group(0 <unfinished ...>
[pid 9877] <... futex resumed>) = ?
[pid 9875] <... exit_group resumed>) = ?
[pid 5073] close(3 <unfinished ...>
[pid 9890] +++ exited with 0 +++
[pid 9881] <... futex resumed>) = 0
[pid 9880] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9877] +++ exited with 0 +++
[pid 9892] <... futex resumed>) = ?
[pid 9878] <... exit_group resumed>) = ?
[pid 9892] +++ exited with 0 +++
[ 255.851384][ T9889] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 255.866396][ T9888] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 255.875975][ T9889] NILFS (loop5): trying rollback from an earlier position
[pid 9875] +++ exited with 0 +++
[pid 5073] <... close resumed>) = 0
[pid 9880] <... futex resumed>) = ?
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9875, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 9881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9880] +++ exited with 0 +++
[pid 9878] +++ exited with 0 +++
[pid 9881] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9878, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9881] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9881] <... mprotect resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9893
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9881] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9881] <... clone resumed>, parent_tid=[9894], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9894
[pid 5071] <... openat resumed>) = 3
[pid 9881] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 9881] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9881] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(3, <unfinished ...>
[pid 5071] lstat("./197/binderfs", <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9894 attached
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9894] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] unlink("./197/binderfs" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9894] <... set_robust_list resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[ 255.894972][ T9888] NILFS (loop2): trying rollback from an earlier position
[pid 5070] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9894] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9889] <... mount resumed>) = 0
[pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./197/binderfs") = 0
[pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9893 attached
<unfinished ...>
[pid 9893] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9893] chdir("./201") = 0
[pid 9893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9893] setpgid(0, 0) = 0
[pid 9893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9894] <... mmap resumed>) = 0x20000000
[pid 9893] write(3, "1000", 4) = 4
[pid 9893] close(3) = 0
[pid 9889] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9894] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9893] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9894] <... futex resumed>) = 1
[pid 9893] <... symlink resumed>) = 0
[pid 9889] <... openat resumed>) = 3
[pid 9881] <... futex resumed>) = 0
[pid 9894] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9893] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9889] chdir("./file0" <unfinished ...>
[pid 9893] <... futex resumed>) = 0
[pid 9889] <... chdir resumed>) = 0
[pid 9893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9889] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9893] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9889] <... ioctl resumed>) = 0
[pid 9893] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9889] close(4 <unfinished ...>
[pid 9893] <... mprotect resumed>) = 0
[pid 9889] <... close resumed>) = 0
[pid 9893] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9896], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9896
[pid 9893] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9893] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9889] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9884] <... futex resumed>) = 0
[pid 9889] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9884] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9884] <... futex resumed>) = 0
[pid 9889] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9884] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9896 attached
<unfinished ...>
[pid 9896] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9896] memfd_create("syzkaller", 0) = 3
[pid 9896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9889] <... openat resumed>) = 4
[pid 9889] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9884] <... futex resumed>) = 0
[pid 9889] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9884] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9884] <... futex resumed>) = 0
[pid 9889] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 255.927337][ T9889] NILFS (loop5): recovery complete
[ 255.934414][ T9895] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9884] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 255.994481][ T9888] NILFS (loop2): recovery complete
[pid 9896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9884] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9884] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9884] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9888] <... mount resumed>) = 0
[pid 9884] <... clone resumed>, parent_tid=[9898], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9898
[pid 9888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9884] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 9888] <... openat resumed>) = 3
[pid 9884] <... futex resumed>) = 0
[pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9888] chdir("./file0" <unfinished ...>
[pid 9884] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9888] <... chdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9888] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] lstat("./197/file0", <unfinished ...>
[pid 9888] <... ioctl resumed>) = 0
[pid 5070] lstat("./197/file0", ./strace-static-x86_64: Process 9898 attached
[ 256.036670][ T9897] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
<unfinished ...>
[pid 9888] close(4 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9898] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9888] <... close resumed>) = 0
[pid 9898] <... set_robust_list resumed>) = 0
[pid 9898] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9898] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9884] <... futex resumed>) = 0
[pid 9898] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9888] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9888] <... futex resumed>) = 1
[pid 9882] <... futex resumed>) = 0
[pid 9888] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9882] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9882] <... futex resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9888] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9882] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 4
[pid 9888] <... openat resumed>) = 4
[pid 5070] fstat(4, <unfinished ...>
[pid 9888] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9888] <... futex resumed>) = 1
[pid 9882] <... futex resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9888] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9882] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 9888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9882] <... futex resumed>) = 0
[pid 9888] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9882] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 9896] <... write resumed>) = 2097152
[pid 5071] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9886] <... write resumed>) = 282624
[pid 5071] rmdir("./197/file0" <unfinished ...>
[pid 9886] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] rmdir("./197/file0" <unfinished ...>
[pid 9886] <... futex resumed>) = 0
[pid 9881] exit_group(0 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9881] <... exit_group resumed>) = ?
[pid 5070] <... rmdir resumed>) = 0
[pid 9896] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9894] <... futex resumed>) = ?
[pid 5071] getdents64(3, <unfinished ...>
[pid 9896] <... munmap resumed>) = 0
[pid 9886] +++ exited with 0 +++
[pid 9896] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 9894] +++ exited with 0 +++
[pid 9881] +++ exited with 0 +++
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9896] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9881, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... close resumed>) = 0
[pid 5071] rmdir("./197" <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5074] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] mkdir("./198", 0777 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] rmdir("./197" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5071] <... mkdir resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] mkdir("./198", 0777 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5074] lstat("./199/binderfs", <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... close resumed>) = 0
[pid 9896] <... ioctl resumed>) = 0
[pid 9896] close(3 <unfinished ...>
[pid 9882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9882] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9896] <... close resumed>) = 0
[pid 9882] <... futex resumed>) = 0
[pid 9896] mkdir("./file0", 0777 <unfinished ...>
[pid 9882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9896] <... mkdir resumed>) = 0
[pid 9882] <... mmap resumed>) = 0x7fe4250d7000
[pid 9896] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9882] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] unlink("./199/binderfs" <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9882] <... mprotect resumed>) = 0
[pid 9882] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9882] <... clone resumed>, parent_tid=[9900], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9900
[pid 9882] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9899
[pid 5070] close(3 <unfinished ...>
[pid 9882] <... futex resumed>) = 0
[pid 9882] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... close resumed>) = 0
./strace-static-x86_64: Process 9899 attached
[pid 9899] set_robust_list(0x555556a0d5e0, 24./strace-static-x86_64: Process 9900 attached
) = 0
[pid 9900] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9899] chdir("./198" <unfinished ...>
[pid 9900] <... set_robust_list resumed>) = 0
[pid 9899] <... chdir resumed>) = 0
[pid 9900] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9899] setpgid(0, 0 <unfinished ...>
[pid 9900] <... mmap resumed>) = 0x20000000
[pid 9899] <... setpgid resumed>) = 0
[pid 9900] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9900] <... futex resumed>) = 1
[pid 9899] <... openat resumed>) = 3
[pid 9882] <... futex resumed>) = 0
[pid 9900] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9899] write(3, "1000", 4 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9901
[pid 9899] <... write resumed>) = 4
[pid 9899] close(3./strace-static-x86_64: Process 9901 attached
) = 0
[pid 9901] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[ 256.162698][ T9896] loop3: detected capacity change from 0 to 4096
[pid 9899] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9901] <... set_robust_list resumed>) = 0
[pid 9899] <... symlink resumed>) = 0
[pid 9901] chdir("./198" <unfinished ...>
[pid 9899] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9901] <... chdir resumed>) = 0
[pid 9899] <... futex resumed>) = 0
[pid 9901] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9901] <... prctl resumed>) = 0
[pid 9899] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9901] setpgid(0, 0 <unfinished ...>
[pid 9899] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9901] <... setpgid resumed>) = 0
[pid 9899] <... mprotect resumed>) = 0
[pid 9901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9899] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9901] <... openat resumed>) = 3
[pid 9889] <... write resumed>) = 327680
[pid 9901] write(3, "1000", 4 <unfinished ...>
[pid 9899] <... clone resumed>, parent_tid=[9902], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9902
[pid 9889] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9901] <... write resumed>) = 4
[pid 9899] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9889] <... futex resumed>) = 0
[pid 9888] <... write resumed>) = 155648
[pid 9901] close(3 <unfinished ...>
[pid 9899] <... futex resumed>) = 0
[pid 9889] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9888] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9884] exit_group(0 <unfinished ...>
[pid 9882] exit_group(0 <unfinished ...>
[pid 9901] <... close resumed>) = 0
[pid 9900] <... futex resumed>) = ?
[pid 9899] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9898] <... futex resumed>) = ?
[pid 9889] <... futex resumed>) = ?
[pid 9888] <... futex resumed>) = ?
[pid 9884] <... exit_group resumed>) = ?
[pid 9882] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 9902 attached
[pid 9901] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9900] +++ exited with 0 +++
[pid 9898] +++ exited with 0 +++
[pid 9902] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9901] <... symlink resumed>) = 0
[pid 9889] +++ exited with 0 +++
[pid 9884] +++ exited with 0 +++
[pid 9902] <... set_robust_list resumed>) = 0
[pid 9901] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9884, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9902] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9901] <... futex resumed>) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9902] <... memfd_create resumed>) = 3
[pid 9901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9888] +++ exited with 0 +++
[pid 9882] +++ exited with 0 +++
[pid 5075] <... restart_syscall resumed>) = 0
[pid 9902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9901] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9902] <... mmap resumed>) = 0x7fe424ef8000
[pid 9901] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[ 256.216914][ T9896] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5075] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9882, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9901] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9901] <... clone resumed>, parent_tid=[9903], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9903
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... restart_syscall resumed>) = 0
[pid 9901] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 9901] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9901] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9903 attached
[pid 5075] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9903] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9903] <... set_robust_list resumed>) = 0
[pid 5075] lstat("./202/binderfs", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9903] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9903] <... memfd_create resumed>) = 3
[pid 5075] unlink("./202/binderfs" <unfinished ...>
[pid 9903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9903] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] fstat(3, <unfinished ...>
[pid 5074] lstat("./199/file0", <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... openat resumed>) = 4
[pid 5072] lstat("./200/binderfs", <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] unlink("./200/binderfs" <unfinished ...>
[ 256.267955][ T9896] NILFS (loop3): trying rollback from an earlier position
[ 256.306311][ T9896] NILFS (loop3): recovery complete
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9896] <... mount resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./199/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9902] <... write resumed>) = 2097152
[pid 9896] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./199" <unfinished ...>
[pid 9902] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9896] chdir("./file0" <unfinished ...>
[pid 5075] lstat("./202/file0", <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] mkdir("./200", 0777 <unfinished ...>
[pid 9903] <... write resumed>) = 2097152
[pid 9902] <... munmap resumed>) = 0
[pid 9896] <... chdir resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 9903] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9902] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9896] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9905
[pid 9903] <... munmap resumed>) = 0
[pid 9902] <... openat resumed>) = 4
[pid 9896] <... ioctl resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9903] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9902] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9896] close(4 <unfinished ...>
[ 256.333978][ T9904] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9903] <... openat resumed>) = 4
./strace-static-x86_64: Process 9905 attached
[pid 9905] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9905] chdir("./200") = 0
[pid 9905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9905] setpgid(0, 0) = 0
[pid 9905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9905] write(3, "1000", 4) = 4
[pid 9905] close(3 <unfinished ...>
[pid 9903] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9902] <... ioctl resumed>) = 0
[pid 9896] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = 0
[pid 9905] <... close resumed>) = 0
[pid 9902] close(3 <unfinished ...>
[pid 9896] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 9905] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9903] <... ioctl resumed>) = 0
[pid 9902] <... close resumed>) = 0
[pid 9896] <... futex resumed>) = 1
[pid 9893] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9905] <... symlink resumed>) = 0
[pid 9903] close(3 <unfinished ...>
[pid 9902] mkdir("./file0", 0777 <unfinished ...>
[pid 9896] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9893] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9905] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9903] <... close resumed>) = 0
[pid 9902] <... mkdir resumed>) = 0
[pid 9896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9893] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] lstat("./200/file0", <unfinished ...>
[pid 9905] <... futex resumed>) = 0
[pid 9903] mkdir("./file0", 0777 <unfinished ...>
[pid 9902] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 256.392487][ T9902] loop1: detected capacity change from 0 to 4096
[ 256.401915][ T9903] loop0: detected capacity change from 0 to 4096
[pid 9896] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9893] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9903] <... mkdir resumed>) = 0
[pid 9896] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9905] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9903] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9896] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9905] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] rmdir("./202/file0" <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] rmdir("./202" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9905] <... mprotect resumed>) = 0
[pid 9896] <... futex resumed>) = 1
[pid 9893] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9905] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9896] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9893] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] mkdir("./203", 0777 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9893] <... futex resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] rmdir("./200/file0" <unfinished ...>
[pid 9893] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5072] getdents64(3, <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] close(3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] rmdir("./200" <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9905] <... clone resumed>, parent_tid=[9906], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9906
[pid 5072] mkdir("./201", 0777 <unfinished ...>
[pid 9905] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9907
[pid 5072] <... mkdir resumed>) = 0
[pid 9905] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 9906 attached
<unfinished ...>
[pid 9905] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9906] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9906] <... set_robust_list resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 9907 attached
[pid 9906] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9907] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9906] <... memfd_create resumed>) = 3
[pid 5072] <... close resumed>) = 0
[pid 9907] <... set_robust_list resumed>) = 0
[pid 9906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9907] chdir("./203" <unfinished ...>
[pid 9906] <... mmap resumed>) = 0x7fe424ef8000
[pid 9907] <... chdir resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9908
[pid 9907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9907] setpgid(0, 0) = 0
[pid 9907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9907] write(3, "1000", 4) = 4
[ 256.433810][ T9902] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 256.452239][ T9903] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 256.454055][ T9902] NILFS (loop1): trying rollback from an earlier position
[pid 9907] close(3./strace-static-x86_64: Process 9908 attached
) = 0
[pid 9908] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9907] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9908] <... set_robust_list resumed>) = 0
[pid 9907] <... symlink resumed>) = 0
[pid 9908] chdir("./201" <unfinished ...>
[pid 9907] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9908] <... chdir resumed>) = 0
[pid 9907] <... futex resumed>) = 0
[pid 9908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9908] <... prctl resumed>) = 0
[pid 9907] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9908] setpgid(0, 0 <unfinished ...>
[pid 9907] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9908] <... setpgid resumed>) = 0
[pid 9907] <... mprotect resumed>) = 0
[pid 9908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9907] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9908] <... openat resumed>) = 3
[pid 9893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9908] write(3, "1000", 4 <unfinished ...>
[pid 9907] <... clone resumed>, parent_tid=[9909], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9909
[pid 9893] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9908] <... write resumed>) = 4
[pid 9907] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9893] <... futex resumed>) = 0
[pid 9908] close(3 <unfinished ...>
[pid 9907] <... futex resumed>) = 0
[pid 9893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9909 attached
<unfinished ...>
[pid 9908] <... close resumed>) = 0
[pid 9907] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9893] <... mmap resumed>) = 0x7fe4250d7000
[pid 9909] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9893] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9909] <... set_robust_list resumed>) = 0
[pid 9893] <... mprotect resumed>) = 0
[pid 9909] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9908] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9893] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9909] <... memfd_create resumed>) = 3
[pid 9908] <... symlink resumed>) = 0
[pid 9909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9893] <... clone resumed>, parent_tid=[9910], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9910
[pid 9909] <... mmap resumed>) = 0x7fe424ef8000
[pid 9908] <... futex resumed>) = 0
[pid 9893] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9893] <... futex resumed>) = 0
./strace-static-x86_64: Process 9910 attached
[pid 9908] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9893] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9910] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9908] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9910] <... set_robust_list resumed>) = 0
[pid 9908] <... mprotect resumed>) = 0
[pid 9910] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 256.503660][ T9903] NILFS (loop0): trying rollback from an earlier position
[ 256.527005][ T9902] NILFS (loop1): recovery complete
[pid 9908] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9910] <... mmap resumed>) = 0x20000000
[pid 9910] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9893] <... futex resumed>) = 0
[pid 9910] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9908] <... clone resumed>, parent_tid=[9911], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9911
./strace-static-x86_64: Process 9911 attached
[pid 9909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9902] <... mount resumed>) = 0
[pid 9911] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9908] <... futex resumed>) = 0
[pid 9902] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9896] <... write resumed>) = 143360
[pid 9911] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9906] <... write resumed>) = 2097152
[pid 9903] <... mount resumed>) = 0
[pid 9902] <... openat resumed>) = 3
[pid 9896] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9911] <... memfd_create resumed>) = 3
[pid 9903] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9902] chdir("./file0" <unfinished ...>
[pid 9896] <... futex resumed>) = 0
[pid 9911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9906] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9903] <... openat resumed>) = 3
[pid 9902] <... chdir resumed>) = 0
[pid 9896] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9893] exit_group(0 <unfinished ...>
[pid 9911] <... mmap resumed>) = 0x7fe424ef8000
[pid 9910] <... futex resumed>) = ?
[pid 9906] <... munmap resumed>) = 0
[pid 9903] chdir("./file0" <unfinished ...>
[pid 9902] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9896] <... futex resumed>) = ?
[pid 9893] <... exit_group resumed>) = ?
[pid 9910] +++ exited with 0 +++
[pid 9909] <... write resumed>) = 2097152
[pid 9906] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9903] <... chdir resumed>) = 0
[pid 9902] <... ioctl resumed>) = 0
[pid 9896] +++ exited with 0 +++
[pid 9893] +++ exited with 0 +++
[pid 9909] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9906] <... openat resumed>) = 4
[pid 9903] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9902] close(4 <unfinished ...>
[pid 9911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9909] <... munmap resumed>) = 0
[pid 9906] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9903] <... ioctl resumed>) = 0
[pid 9902] <... close resumed>) = 0
[pid 9909] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[ 256.561218][ T9912] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 256.578369][ T9903] NILFS (loop0): recovery complete
[ 256.596555][ T9913] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9903] close(4 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9893, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 9909] <... openat resumed>) = 4
[pid 9902] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9909] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9903] <... close resumed>) = 0
[pid 9902] <... futex resumed>) = 1
[pid 9899] <... futex resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 9903] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9902] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9899] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9903] <... futex resumed>) = 1
[pid 9902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9901] <... futex resumed>) = 0
[pid 9899] <... futex resumed>) = 0
[pid 5073] <... restart_syscall resumed>) = 0
[pid 9909] <... ioctl resumed>) = 0
[pid 9906] <... ioctl resumed>) = 0
[pid 9903] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9902] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9901] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9899] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9909] close(3 <unfinished ...>
[pid 9906] close(3 <unfinished ...>
[pid 9903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9901] <... futex resumed>) = 0
[pid 9909] <... close resumed>) = 0
[pid 9903] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9901] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9909] mkdir("./file0", 0777) = 0
[pid 9906] <... close resumed>) = 0
[pid 9902] <... openat resumed>) = 4
[pid 5073] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 256.631297][ T9906] loop4: detected capacity change from 0 to 4096
[ 256.633660][ T9909] loop5: detected capacity change from 0 to 4096
[pid 9909] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9906] mkdir("./file0", 0777 <unfinished ...>
[pid 9903] <... openat resumed>) = 4
[pid 9902] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9906] <... mkdir resumed>) = 0
[pid 9903] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9899] <... futex resumed>) = 0
[pid 9906] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9903] <... futex resumed>) = 1
[pid 9902] <... futex resumed>) = 1
[pid 9901] <... futex resumed>) = 0
[pid 9899] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9903] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9902] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9901] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9899] <... futex resumed>) = 0
[pid 9899] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9901] <... futex resumed>) = 0
[pid 9903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9901] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9903] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./201/binderfs") = 0
[pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9911] <... write resumed>) = 2097152
[pid 9899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9899] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9899] <... futex resumed>) = 0
[pid 9901] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9901] <... futex resumed>) = 0
[pid 9899] <... mmap resumed>) = 0x7fe4250d7000
[pid 9901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9899] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9901] <... mmap resumed>) = 0x7fe4250d7000
[pid 9899] <... mprotect resumed>) = 0
[pid 9911] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9901] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9899] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9901] <... mprotect resumed>) = 0
[pid 9901] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9899] <... clone resumed>, parent_tid=[9914], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9914
[pid 9899] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9911] <... munmap resumed>) = 0
[pid 9901] <... clone resumed>, parent_tid=[9915], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9915
[pid 9899] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9911] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[ 256.672229][ T9909] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 256.693194][ T9909] NILFS (loop5): trying rollback from an earlier position
[ 256.710111][ T9906] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 9901] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9911] <... openat resumed>) = 4
[pid 9901] <... futex resumed>) = 0
./strace-static-x86_64: Process 9914 attached
[pid 9914] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9914] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9901] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9915 attached
<unfinished ...>
[pid 9911] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9915] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9914] <... mmap resumed>) = 0x20000000
[pid 9914] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9899] <... futex resumed>) = 0
[pid 9914] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9915] <... set_robust_list resumed>) = 0
[pid 9915] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9915] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9901] <... futex resumed>) = 0
[pid 9915] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9911] <... ioctl resumed>) = 0
[pid 9902] <... write resumed>) = 110592
[pid 5073] <... umount2 resumed>) = 0
[ 256.753025][ T9906] NILFS (loop4): trying rollback from an earlier position
[ 256.767200][ T9909] NILFS (loop5): recovery complete
[ 256.783778][ T9911] loop2: detected capacity change from 0 to 4096
[pid 9911] close(3 <unfinished ...>
[pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9902] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9911] <... close resumed>) = 0
[pid 9902] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9899] exit_group(0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9914] <... futex resumed>) = ?
[pid 9899] <... exit_group resumed>) = ?
[pid 5073] <... openat resumed>) = 4
[pid 9914] +++ exited with 0 +++
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 5073] rmdir("./201/file0") = 0
[pid 9911] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9909] <... mount resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9909] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9902] +++ exited with 0 +++
[pid 9899] +++ exited with 0 +++
[pid 5073] close(3 <unfinished ...>
[pid 9911] <... mkdir resumed>) = 0
[pid 9909] <... openat resumed>) = 3
[pid 5073] <... close resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9899, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 9911] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./198/binderfs" <unfinished ...>
[pid 9909] chdir("./file0" <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9909] <... chdir resumed>) = 0
[pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9909] ioctl(4, LOOP_CLR_FD) = 0
[pid 9909] close(4) = 0
[pid 5073] rmdir("./201") = 0
[pid 5073] mkdir("./202", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9909] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 9907] <... futex resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9909] <... futex resumed>) = 1
[pid 9907] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9909] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9907] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 9907] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9909] <... openat resumed>) = 4
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9909] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9907] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9918
[pid 9909] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9907] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9907] <... futex resumed>) = 0
[pid 9909] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 256.807373][ T9906] NILFS (loop4): recovery complete
[ 256.814497][ T9916] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9907] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9918 attached
<unfinished ...>
[pid 9918] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9918] chdir("./202") = 0
[pid 9918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9918] setpgid(0, 0) = 0
[pid 9918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9918] write(3, "1000", 4) = 4
[pid 9918] close(3) = 0
[pid 9918] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9918] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9918] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9918] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9919], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9919
[pid 9918] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9918] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9919 attached
<unfinished ...>
[pid 9919] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9919] memfd_create("syzkaller", 0) = 3
[pid 9919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 256.860750][ T9911] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 9906] <... mount resumed>) = 0
[pid 9906] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 9906] chdir("./file0") = 0
[pid 9906] ioctl(4, LOOP_CLR_FD) = 0
[pid 9906] close(4 <unfinished ...>
[pid 9907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9906] <... close resumed>) = 0
[pid 9907] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9906] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9905] <... futex resumed>) = 0
[pid 9906] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9905] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9905] <... futex resumed>) = 0
[pid 9906] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9905] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9907] <... futex resumed>) = 0
[pid 9907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9907] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9907] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9920], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9920
[pid 9907] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9907] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 9920 attached
[pid 9920] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9920] <... set_robust_list resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9920] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] lstat("./198/file0", <unfinished ...>
[pid 9920] <... mmap resumed>) = 0x20000000
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9920] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9906] <... openat resumed>) = 4
[ 256.909651][ T9917] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 256.925333][ T9911] NILFS (loop2): trying rollback from an earlier position
[pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9920] <... futex resumed>) = 1
[pid 9907] <... futex resumed>) = 0
[pid 9906] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9920] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9906] <... futex resumed>) = 1
[pid 9905] <... futex resumed>) = 0
[pid 9903] <... write resumed>) = 258048
[pid 5071] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9906] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9905] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9905] <... futex resumed>) = 0
[pid 9903] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 9906] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9905] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9903] <... futex resumed>) = 0
[pid 9901] exit_group(0 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9915] <... futex resumed>) = ?
[pid 9901] <... exit_group resumed>) = ?
[pid 9915] +++ exited with 0 +++
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9903] +++ exited with 0 +++
[pid 9901] +++ exited with 0 +++
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9901, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} ---
[pid 9909] <... write resumed>) = 147456
[ 256.977864][ T9911] NILFS (loop2): recovery complete
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9911] <... mount resumed>) = 0
[pid 9909] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9907] exit_group(0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9920] <... futex resumed>) = ?
[pid 9911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9909] <... futex resumed>) = ?
[pid 9907] <... exit_group resumed>) = ?
[pid 5071] close(4 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9920] +++ exited with 0 +++
[pid 9911] <... openat resumed>) = 3
[pid 9909] +++ exited with 0 +++
[pid 5070] lstat("./198/binderfs", <unfinished ...>
[pid 9911] chdir("./file0" <unfinished ...>
[pid 9907] +++ exited with 0 +++
[pid 5071] <... close resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9919] <... write resumed>) = 2097152
[pid 9911] <... chdir resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9907, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5071] rmdir("./198/file0" <unfinished ...>
[pid 5070] unlink("./198/binderfs" <unfinished ...>
[pid 9919] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9911] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9919] <... munmap resumed>) = 0
[pid 9911] <... ioctl resumed>) = 0
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 9919] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9911] close(4 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9919] <... openat resumed>) = 4
[pid 9911] <... close resumed>) = 0
[pid 9905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] close(3 <unfinished ...>
[pid 9919] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 257.012337][ T9921] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9911] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9905] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9919] <... ioctl resumed>) = 0
[pid 9911] <... futex resumed>) = 1
[pid 9908] <... futex resumed>) = 0
[pid 9905] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] rmdir("./198" <unfinished ...>
[pid 9911] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9908] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9908] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5071] mkdir("./199", 0777 <unfinished ...>
[pid 9911] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9905] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] fstat(3, <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9905] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9911] <... openat resumed>) = 4
[pid 9905] <... mprotect resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9911] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9911] <... futex resumed>) = 1
[pid 9908] <... futex resumed>) = 0
[pid 5075] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9911] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9908] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(3 <unfinished ...>
[pid 9911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9908] <... futex resumed>) = 0
[pid 5075] lstat("./203/binderfs", <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9911] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9905] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] unlink("./203/binderfs" <unfinished ...>
[pid 9919] close(3 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9922
[pid 9919] <... close resumed>) = 0
[pid 9905] <... clone resumed>, parent_tid=[9923], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9923
[pid 5075] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9919] mkdir("./file0", 0777 <unfinished ...>
[pid 9905] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9919] <... mkdir resumed>) = 0
[pid 9905] <... futex resumed>) = 0
[pid 9919] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9905] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9922 attached
./strace-static-x86_64: Process 9923 attached
<unfinished ...>
[pid 9922] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9922] chdir("./199") = 0
[pid 9922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9922] setpgid(0, 0) = 0
[pid 9922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[ 257.058884][ T9919] loop3: detected capacity change from 0 to 4096
[pid 9923] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9922] write(3, "1000", 4) = 4
[pid 9922] close(3) = 0
[pid 9922] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9923] <... set_robust_list resumed>) = 0
[pid 9922] <... symlink resumed>) = 0
[pid 9922] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9923] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9922] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9922] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9922] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9924], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9924
[pid 9922] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9923] <... mmap resumed>) = 0x20000000
[pid 9922] <... futex resumed>) = 0
[pid 9908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9922] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9908] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9923] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9908] <... futex resumed>) = 0
[pid 9908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9908] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9905] <... futex resumed>) = 0
./strace-static-x86_64: Process 9924 attached
[pid 9923] <... futex resumed>) = 1
[pid 9908] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9924] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9923] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9908] <... clone resumed>, parent_tid=[9925], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9925
[pid 9924] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9924] <... memfd_create resumed>) = 3
[pid 9908] <... futex resumed>) = 0
[pid 9924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9908] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9924] <... mmap resumed>) = 0x7fe424ef8000
[pid 5070] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 9925 attached
[pid 9925] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9925] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./198/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9925] <... mmap resumed>) = 0x20000000
[pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9925] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9908] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[ 257.132128][ T9919] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 9925] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] close(4 <unfinished ...>
[pid 5075] lstat("./203/file0", <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] rmdir("./198/file0" <unfinished ...>
[pid 5075] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5070] <... close resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5070] rmdir("./198") = 0
[pid 5070] mkdir("./199", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9919] <... mount resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[ 257.203208][ T9919] NILFS (loop3): trying rollback from an earlier position
[ 257.233383][ T9919] NILFS (loop3): recovery complete
[pid 5070] close(3 <unfinished ...>
[pid 9919] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... close resumed>) = 0
[pid 9911] <... write resumed>) = 176128
[pid 9919] <... openat resumed>) = 3
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9919] chdir("./file0" <unfinished ...>
[pid 9911] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9908] exit_group(0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9911] <... futex resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9927
[pid 9911] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9919] <... chdir resumed>) = 0
[pid 9911] <... futex resumed>) = ?
[pid 9908] <... exit_group resumed>) = ?
[pid 5075] close(4 <unfinished ...>
[pid 9925] <... futex resumed>) = ?
[pid 9911] +++ exited with 0 +++
./strace-static-x86_64: Process 9927 attached
[pid 9927] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9925] +++ exited with 0 +++
[pid 9919] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9908] +++ exited with 0 +++
[pid 5075] <... close resumed>) = 0
[pid 9927] <... set_robust_list resumed>) = 0
[pid 9919] <... ioctl resumed>) = 0
[pid 5075] rmdir("./203/file0" <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9908, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 9927] chdir("./199" <unfinished ...>
[pid 9919] close(4 <unfinished ...>
[pid 9927] <... chdir resumed>) = 0
[pid 9927] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9927] <... prctl resumed>) = 0
[pid 9919] <... close resumed>) = 0
[pid 9927] setpgid(0, 0) = 0
[pid 9919] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9924] <... write resumed>) = 2097152
[pid 9919] <... futex resumed>) = 1
[pid 9918] <... futex resumed>) = 0
[pid 9906] <... write resumed>) = 323584
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9927] <... openat resumed>) = 3
[ 257.242831][ T9926] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9924] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9919] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9918] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9906] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9905] exit_group(0 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9927] write(3, "1000", 4 <unfinished ...>
[pid 9924] <... munmap resumed>) = 0
[pid 9923] <... futex resumed>) = ?
[pid 9919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9918] <... futex resumed>) = 0
[pid 9906] <... futex resumed>) = ?
[pid 9905] <... exit_group resumed>) = ?
[pid 5075] <... close resumed>) = 0
[pid 5072] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9927] <... write resumed>) = 4
[pid 9924] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9923] +++ exited with 0 +++
[pid 9919] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9918] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9906] +++ exited with 0 +++
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9927] close(3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9927] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9927] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 9927] <... symlink resumed>) = 0
[pid 9924] <... openat resumed>) = 4
[pid 9905] +++ exited with 0 +++
[pid 5075] rmdir("./203" <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9927] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9924] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9919] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9927] <... futex resumed>) = 0
[pid 9919] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9905, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9924] <... ioctl resumed>) = 0
[pid 9919] <... futex resumed>) = 1
[pid 9918] <... futex resumed>) = 0
[pid 5075] mkdir("./204", 0777 <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9927] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9924] close(3 <unfinished ...>
[pid 9919] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9918] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... restart_syscall resumed>) = 0
[pid 9927] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9924] <... close resumed>) = 0
[pid 5072] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./201/binderfs") = 0
[pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9927] <... mprotect resumed>) = 0
[pid 9924] mkdir("./file0", 0777 <unfinished ...>
[pid 9918] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9927] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9924] <... mkdir resumed>) = 0
[pid 9918] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9927] <... clone resumed>, parent_tid=[9928], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9928
[pid 9924] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 257.310620][ T9924] loop1: detected capacity change from 0 to 4096
[ 257.347214][ T9924] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 9927] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9928 attached
) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9928] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9927] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9928] <... set_robust_list resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9928] memfd_create("syzkaller", 0./strace-static-x86_64: Process 9929 attached
) = 3
[pid 9918] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] fstat(3, <unfinished ...>
[pid 9929] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9918] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9929
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9929] <... set_robust_list resumed>) = 0
[pid 9928] <... mmap resumed>) = 0x7fe424ef8000
[pid 9918] <... futex resumed>) = 0
[ 257.355271][ T9924] NILFS (loop1): trying rollback from an earlier position
[pid 5074] getdents64(3, <unfinished ...>
[pid 9929] chdir("./204" <unfinished ...>
[pid 9918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9929] <... chdir resumed>) = 0
[pid 9929] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9918] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9929] <... prctl resumed>) = 0
[pid 9918] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9918] <... mprotect resumed>) = 0
[pid 5074] lstat("./200/binderfs", <unfinished ...>
[pid 9918] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9929] setpgid(0, 0 <unfinished ...>
[pid 5074] unlink("./200/binderfs" <unfinished ...>
[pid 9918] <... clone resumed>, parent_tid=[9930], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9930
[pid 5074] <... unlink resumed>) = 0
[pid 9929] <... setpgid resumed>) = 0
[pid 9918] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9918] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./201/file0", <unfinished ...>
[pid 9918] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9929] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9929] <... write resumed>) = 4
[pid 5072] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9929] close(3) = 0
[pid 5072] <... openat resumed>) = 4
./strace-static-x86_64: Process 9930 attached
[pid 9929] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 9930] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9930] <... set_robust_list resumed>) = 0
[pid 9929] <... symlink resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9930] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9929] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9930] <... mmap resumed>) = 0x20000000
[pid 9929] <... futex resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9930] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9930] <... futex resumed>) = 1
[pid 9929] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9918] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9930] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9929] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] rmdir("./201/file0" <unfinished ...>
[pid 9929] <... mprotect resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9929] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9929] <... clone resumed>, parent_tid=[9931], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9931
[pid 5072] close(3 <unfinished ...>
[pid 9929] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9929] <... futex resumed>) = 0
[pid 5072] rmdir("./201" <unfinished ...>
[pid 9929] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 9931 attached
[pid 9928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] mkdir("./202", 0777 <unfinished ...>
[pid 9931] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 9931] <... set_robust_list resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9931] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 9931] <... memfd_create resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9931] <... mmap resumed>) = 0x7fe424ef8000
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9932
./strace-static-x86_64: Process 9932 attached
[pid 9932] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9932] chdir("./202") = 0
[pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9932] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9932] <... prctl resumed>) = 0
[pid 5074] lstat("./200/file0", <unfinished ...>
[pid 9932] setpgid(0, 0 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9932] <... setpgid resumed>) = 0
[pid 9932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9932] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 257.474846][ T9924] NILFS (loop1): recovery complete
[pid 9932] write(3, "1000", 4 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9932] <... write resumed>) = 4
[pid 5074] <... openat resumed>) = 4
[pid 9932] close(3 <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 9932] <... close resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9932] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9932] <... symlink resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9932] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9932] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9932] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9932] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9934], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9934
[pid 9932] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9932] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9934 attached
<unfinished ...>
[pid 9934] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9924] <... mount resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 9934] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9924] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9934] <... memfd_create resumed>) = 3
[pid 9924] <... openat resumed>) = 3
[pid 5074] rmdir("./200/file0" <unfinished ...>
[pid 9934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9924] chdir("./file0" <unfinished ...>
[pid 9934] <... mmap resumed>) = 0x7fe424ef8000
[pid 9924] <... chdir resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9924] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 9924] <... ioctl resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9928] <... write resumed>) = 2097152
[pid 9924] close(4 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9931] <... write resumed>) = 2097152
[pid 9928] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9924] <... close resumed>) = 0
[pid 9924] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9922] <... futex resumed>) = 0
[pid 9924] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9922] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9922] <... futex resumed>) = 0
[pid 9928] <... munmap resumed>) = 0
[pid 9924] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9922] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9931] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9928] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9924] <... openat resumed>) = 4
[ 257.524006][ T9933] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5074] rmdir("./200" <unfinished ...>
[pid 9931] <... munmap resumed>) = 0
[pid 9928] <... openat resumed>) = 4
[pid 9924] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9919] <... write resumed>) = 503808
[pid 5074] <... rmdir resumed>) = 0
[pid 9931] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9928] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9924] <... futex resumed>) = 1
[pid 9922] <... futex resumed>) = 0
[pid 9919] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] mkdir("./201", 0777 <unfinished ...>
[pid 9931] <... openat resumed>) = 4
[pid 9924] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9922] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9919] <... futex resumed>) = 0
[pid 9918] exit_group(0 <unfinished ...>
[pid 9930] <... futex resumed>) = ?
[pid 9924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9922] <... futex resumed>) = 0
[pid 9918] <... exit_group resumed>) = ?
[pid 9930] +++ exited with 0 +++
[pid 9924] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9922] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9919] +++ exited with 0 +++
[pid 9918] +++ exited with 0 +++
[pid 9934] <... write resumed>) = 2097152
[pid 9931] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9928] <... ioctl resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 9934] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9931] <... ioctl resumed>) = 0
[pid 9928] close(3 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9918, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 9934] <... munmap resumed>) = 0
[pid 9931] close(3 <unfinished ...>
[pid 9928] <... close resumed>) = 0
[pid 9934] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9931] <... close resumed>) = 0
[pid 9928] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9934] <... openat resumed>) = 4
[pid 9931] mkdir("./file0", 0777 <unfinished ...>
[pid 9928] <... mkdir resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 9934] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9928] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9935
[pid 5073] <... openat resumed>) = 3
[pid 9931] <... mkdir resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 9931] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 9935 attached
[pid 5073] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9935] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9935] <... set_robust_list resumed>) = 0
[pid 5073] lstat("./202/binderfs", <unfinished ...>
[pid 9935] chdir("./201" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9935] <... chdir resumed>) = 0
[ 257.598901][ T9928] loop0: detected capacity change from 0 to 4096
[ 257.608921][ T9931] loop5: detected capacity change from 0 to 4096
[ 257.622452][ T9934] loop2: detected capacity change from 0 to 4096
[pid 5073] unlink("./202/binderfs" <unfinished ...>
[pid 9935] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9934] <... ioctl resumed>) = 0
[pid 9935] <... prctl resumed>) = 0
[pid 9934] close(3 <unfinished ...>
[pid 9922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... unlink resumed>) = 0
[pid 9935] setpgid(0, 0 <unfinished ...>
[pid 9922] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9935] <... setpgid resumed>) = 0
[pid 9922] <... futex resumed>) = 0
[pid 9935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9934] <... close resumed>) = 0
[pid 9922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9935] <... openat resumed>) = 3
[pid 9922] <... mmap resumed>) = 0x7fe4250d7000
[pid 9935] write(3, "1000", 4 <unfinished ...>
[pid 9922] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9935] <... write resumed>) = 4
[pid 9922] <... mprotect resumed>) = 0
[pid 9935] close(3 <unfinished ...>
[pid 9922] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9935] <... close resumed>) = 0
[pid 9935] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9922] <... clone resumed>, parent_tid=[9936], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9936
[pid 9935] <... symlink resumed>) = 0
[pid 9922] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9935] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9922] <... futex resumed>) = 0
[pid 9935] <... futex resumed>) = 0
[pid 9922] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9935] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9935] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9937], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9937
[pid 9935] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9935] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9936 attached
<unfinished ...>
[pid 9936] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9936] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9934] mkdir("./file0", 0777 <unfinished ...>
[pid 9936] <... mmap resumed>) = 0x20000000
[pid 9934] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 9937 attached
[pid 9937] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9937] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9936] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9937] <... memfd_create resumed>) = 3
[pid 9936] <... futex resumed>) = 1
[pid 9922] <... futex resumed>) = 0
[pid 9937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9936] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9937] <... mmap resumed>) = 0x7fe424ef8000
[pid 9934] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 257.649402][ T9928] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 257.663317][ T9931] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 9937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9924] <... write resumed>) = 192512
[pid 9924] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9922] exit_group(0 <unfinished ...>
[pid 9936] <... futex resumed>) = ?
[pid 9924] <... futex resumed>) = ?
[pid 9922] <... exit_group resumed>) = ?
[pid 9936] +++ exited with 0 +++
[pid 9924] +++ exited with 0 +++
[pid 9922] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9922, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] lstat("./202/file0", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[ 257.719669][ T9928] NILFS (loop0): trying rollback from an earlier position
[ 257.727961][ T9934] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 257.754667][ T9931] NILFS (loop5): trying rollback from an earlier position
[ 257.757972][ T9934] NILFS (loop2): trying rollback from an earlier position
[pid 5071] unlink("./199/binderfs") = 0
[pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9937] <... write resumed>) = 2097152
[pid 9937] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9937] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9937] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4 <unfinished ...>
[pid 9928] <... mount resumed>) = 0
[pid 9937] <... ioctl resumed>) = 0
[pid 9937] close(3) = 0
[pid 9937] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9928] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] rmdir("./202/file0" <unfinished ...>
[pid 9928] <... openat resumed>) = 3
[pid 5073] <... rmdir resumed>) = 0
[pid 9928] chdir("./file0") = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9928] ioctl(4, LOOP_CLR_FD) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[ 257.777003][ T9928] NILFS (loop0): recovery complete
[ 257.788714][ T9937] loop4: detected capacity change from 0 to 4096
[ 257.805187][ T9938] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] close(3 <unfinished ...>
[pid 9928] close(4 <unfinished ...>
[pid 9937] <... mkdir resumed>) = 0
[pid 9937] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9928] <... close resumed>) = 0
[pid 5073] rmdir("./202" <unfinished ...>
[pid 9928] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9927] <... futex resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 9928] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9927] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9927] <... futex resumed>) = 0
[pid 5073] mkdir("./203", 0777 <unfinished ...>
[pid 9928] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9927] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 9928] <... openat resumed>) = 4
[pid 5073] close(3 <unfinished ...>
[pid 9928] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9928] <... futex resumed>) = 1
[pid 9927] <... futex resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9928] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9927] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9927] <... futex resumed>) = 0
[pid 9928] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9927] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9931] <... mount resumed>) = 0
[ 257.828643][ T9931] NILFS (loop5): recovery complete
[ 257.830173][ T9934] NILFS (loop2): recovery complete
[ 257.853545][ T9937] NILFS (loop4): invalid segment: Checksum error in segment payload
./strace-static-x86_64: Process 9940 attached
[pid 9931] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9940
[pid 9940] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9931] <... openat resumed>) = 3
[pid 9931] chdir("./file0") = 0
[pid 9931] ioctl(4, LOOP_CLR_FD) = 0
[pid 9931] close(4) = 0
[pid 9931] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9929] <... futex resumed>) = 0
[pid 9931] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9929] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9940] <... set_robust_list resumed>) = 0
[pid 9931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9931] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9929] <... futex resumed>) = 0
[pid 9940] chdir("./203" <unfinished ...>
[pid 9929] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9940] <... chdir resumed>) = 0
[pid 9940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9940] setpgid(0, 0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9940] <... setpgid resumed>) = 0
[pid 5071] lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 257.869594][ T9939] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9940] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 4
[pid 9940] write(3, "1000", 4 <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 9940] <... write resumed>) = 4
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9940] close(3 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 9940] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9940] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4 <unfinished ...>
[pid 9940] <... symlink resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 9940] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./199/file0" <unfinished ...>
[pid 9940] <... futex resumed>) = 0
[pid 9927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... rmdir resumed>) = 0
[pid 9940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9927] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9940] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9927] <... futex resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9940] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9927] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] rmdir("./199" <unfinished ...>
[pid 9940] <... mprotect resumed>) = 0
[pid 9931] <... openat resumed>) = 4
[pid 9927] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 9931] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] mkdir("./200", 0777 <unfinished ...>
[pid 9931] <... futex resumed>) = 1
[pid 9929] <... futex resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 9931] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9929] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9929] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 9931] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9929] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9940] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9934] <... mount resumed>) = 0
[pid 9927] <... mprotect resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9934] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9927] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] close(3./strace-static-x86_64: Process 9942 attached
<unfinished ...>
[pid 9940] <... clone resumed>, parent_tid=[9942], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9942
[pid 9934] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 9942] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9940] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9934] chdir("./file0" <unfinished ...>
[pid 9927] <... clone resumed>, parent_tid=[9943], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9943
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9942] <... set_robust_list resumed>) = 0
[pid 9940] <... futex resumed>) = 0
[pid 9934] <... chdir resumed>) = 0
[pid 9927] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9943 attached
<unfinished ...>
[pid 9942] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9940] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9934] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9927] <... futex resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9944
[pid 9943] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9942] <... memfd_create resumed>) = 3
[pid 9934] <... ioctl resumed>) = 0
[pid 9927] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9943] <... set_robust_list resumed>) = 0
[pid 9942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9934] close(4./strace-static-x86_64: Process 9944 attached
<unfinished ...>
[pid 9943] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9942] <... mmap resumed>) = 0x7fe424ef8000
[pid 9934] <... close resumed>) = 0
[pid 9944] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9943] <... mmap resumed>) = 0x20000000
[pid 9934] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] <... set_robust_list resumed>) = 0
[ 257.904977][ T9937] NILFS (loop4): trying rollback from an earlier position
[ 257.923131][ T9941] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9943] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9934] <... futex resumed>) = 1
[pid 9932] <... futex resumed>) = 0
[pid 9944] chdir("./200" <unfinished ...>
[pid 9943] <... futex resumed>) = 1
[pid 9934] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9932] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9927] <... futex resumed>) = 0
[pid 9944] <... chdir resumed>) = 0
[pid 9943] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9932] <... futex resumed>) = 0
[pid 9944] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9934] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9932] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9944] <... prctl resumed>) = 0
[pid 9929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9944] setpgid(0, 0 <unfinished ...>
[pid 9934] <... openat resumed>) = 4
[pid 9929] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] <... setpgid resumed>) = 0
[pid 9934] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9929] <... futex resumed>) = 0
[pid 9944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9934] <... futex resumed>) = 1
[pid 9932] <... futex resumed>) = 0
[pid 9929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9944] <... openat resumed>) = 3
[pid 9934] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9932] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9929] <... mmap resumed>) = 0x7fe4250d7000
[pid 9944] write(3, "1000", 4 <unfinished ...>
[pid 9942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9932] <... futex resumed>) = 0
[pid 9929] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9944] <... write resumed>) = 4
[ 257.967381][ T9937] NILFS (loop4): recovery complete
[pid 9934] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9932] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9929] <... mprotect resumed>) = 0
[pid 9944] close(3 <unfinished ...>
[pid 9929] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9944] <... close resumed>) = 0
[pid 9944] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9929] <... clone resumed>, parent_tid=[9946], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9946
[pid 9944] <... symlink resumed>) = 0
[pid 9929] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9929] <... futex resumed>) = 0
[pid 9944] <... futex resumed>) = 0
[pid 9929] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9946 attached
) = 0x7fe42d2f8000
[pid 9946] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9944] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9946] <... set_robust_list resumed>) = 0
[pid 9944] <... mprotect resumed>) = 0
[pid 9946] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9944] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9946] <... mmap resumed>) = 0x20000000
[pid 9946] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] <... clone resumed>, parent_tid=[9947], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9947
[pid 9946] <... futex resumed>) = 1
[pid 9944] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9929] <... futex resumed>) = 0
[pid 9946] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9944] <... futex resumed>) = 0
[pid 9944] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9947 attached
<unfinished ...>
[pid 9947] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9947] memfd_create("syzkaller", 0) = 3
[pid 9928] <... write resumed>) = 196608
[pid 9947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9928] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9947] <... mmap resumed>) = 0x7fe424ef8000
[pid 9937] <... mount resumed>) = 0
[pid 9928] <... futex resumed>) = 0
[pid 9927] exit_group(0 <unfinished ...>
[pid 9942] <... write resumed>) = 2097152
[pid 9932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9937] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9932] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9943] <... futex resumed>) = ?
[pid 9937] <... openat resumed>) = 3
[pid 9932] <... futex resumed>) = 0
[pid 9927] <... exit_group resumed>) = ?
[pid 9942] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9943] +++ exited with 0 +++
[pid 9942] <... munmap resumed>) = 0
[pid 9937] chdir("./file0" <unfinished ...>
[pid 9932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9942] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9937] <... chdir resumed>) = 0
[pid 9932] <... mmap resumed>) = 0x7fe4250d7000
[pid 9928] +++ exited with 0 +++
[pid 9927] +++ exited with 0 +++
[pid 9937] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9932] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9927, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9937] <... ioctl resumed>) = 0
[pid 9932] <... mprotect resumed>) = 0
[ 258.035171][ T9945] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9937] close(4 <unfinished ...>
[pid 9932] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9942] <... openat resumed>) = 4
[pid 9937] <... close resumed>) = 0
[pid 9937] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9932] <... clone resumed>, parent_tid=[9948], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9948
[pid 9937] <... futex resumed>) = 1
[pid 9935] <... futex resumed>) = 0
[pid 9932] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9937] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9935] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9932] <... futex resumed>) = 0
[pid 9942] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9935] <... futex resumed>) = 0
[pid 9932] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9937] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9935] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./199/binderfs") = 0
[pid 9937] <... openat resumed>) = 4
[pid 9937] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9948 attached
<unfinished ...>
[pid 9947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9942] <... ioctl resumed>) = 0
[pid 9937] <... futex resumed>) = 1
[pid 9935] <... futex resumed>) = 0
[pid 9948] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9942] close(3 <unfinished ...>
[pid 9937] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9935] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9931] <... write resumed>) = 200704
[pid 9948] <... set_robust_list resumed>) = 0
[pid 9942] <... close resumed>) = 0
[pid 9937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9935] <... futex resumed>) = 0
[pid 9948] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9942] mkdir("./file0", 0777 <unfinished ...>
[ 258.102936][ T9942] loop3: detected capacity change from 0 to 4096
[pid 9937] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9935] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9931] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9948] <... mmap resumed>) = 0x20000000
[pid 9942] <... mkdir resumed>) = 0
[pid 9932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9929] exit_group(0 <unfinished ...>
[pid 9946] <... futex resumed>) = ?
[pid 9929] <... exit_group resumed>) = ?
[pid 9946] +++ exited with 0 +++
[pid 9931] <... futex resumed>) = ?
[pid 9948] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9942] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9931] +++ exited with 0 +++
[pid 9929] +++ exited with 0 +++
[pid 9948] <... futex resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9929, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 9948] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5075] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./204/binderfs") = 0
[pid 5075] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./199/file0", <unfinished ...>
[pid 9935] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9935] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9935] <... futex resumed>) = 0
[pid 9935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9935] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9935] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9935] <... mprotect resumed>) = 0
[pid 5070] <... openat resumed>) = 4
[pid 9935] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9947] <... write resumed>) = 2097152
[pid 9935] <... clone resumed>, parent_tid=[9949], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9949
[pid 5070] getdents64(4, ./strace-static-x86_64: Process 9949 attached
<unfinished ...>
[pid 9935] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9949] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9935] <... futex resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9949] <... set_robust_list resumed>) = 0
[pid 9947] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9935] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9949] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9947] <... munmap resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9949] <... mmap resumed>) = 0x20000000
[pid 9947] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9947] <... openat resumed>) = 4
[pid 5070] rmdir("./199/file0" <unfinished ...>
[ 258.192985][ T9942] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 258.228265][ T9942] NILFS (loop3): trying rollback from an earlier position
[pid 9947] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9949] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9949] <... futex resumed>) = 1
[pid 9947] <... ioctl resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 9935] <... futex resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9949] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] close(3) = 0
[pid 5070] rmdir("./199") = 0
[pid 5070] mkdir("./200", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9950
[pid 9947] close(3 <unfinished ...>
[pid 5075] lstat("./204/file0", <unfinished ...>
[pid 9947] <... close resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9947] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9947] <... mkdir resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 9947] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 9934] <... write resumed>) = 462848
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, <unfinished ...>
[pid 9934] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 9950 attached
[pid 9934] <... futex resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 9950] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9934] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 258.269231][ T9947] loop1: detected capacity change from 0 to 4096
[ 258.303163][ T9942] NILFS (loop3): recovery complete
[pid 9932] exit_group(0 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9950] <... set_robust_list resumed>) = 0
[pid 9942] <... mount resumed>) = 0
[pid 9950] chdir("./200") = 0
[pid 9950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9950] setpgid(0, 0) = 0
[pid 9950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9948] <... futex resumed>) = ?
[pid 9942] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9934] <... futex resumed>) = ?
[pid 9932] <... exit_group resumed>) = ?
[pid 5075] rmdir("./204/file0" <unfinished ...>
[pid 9950] write(3, "1000", 4 <unfinished ...>
[pid 9948] +++ exited with 0 +++
[pid 9942] <... openat resumed>) = 3
[pid 9934] +++ exited with 0 +++
[pid 9950] <... write resumed>) = 4
[pid 9950] close(3) = 0
[pid 9950] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9937] <... write resumed>) = 249856
[pid 9932] +++ exited with 0 +++
[pid 9950] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9942] chdir("./file0" <unfinished ...>
[pid 9937] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9932, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 9950] <... futex resumed>) = 0
[pid 9937] <... futex resumed>) = 0
[pid 9950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9937] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9935] exit_group(0 <unfinished ...>
[pid 9950] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9949] <... futex resumed>) = ?
[pid 9937] <... futex resumed>) = ?
[pid 9935] <... exit_group resumed>) = ?
[pid 9950] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9949] +++ exited with 0 +++
[pid 9942] <... chdir resumed>) = 0
[pid 9937] +++ exited with 0 +++
[pid 9935] +++ exited with 0 +++
[pid 5075] getdents64(3, <unfinished ...>
[pid 9950] <... mprotect resumed>) = 0
[pid 9942] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9935, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 9950] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9942] <... ioctl resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9942] close(4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
./strace-static-x86_64: Process 9952 attached
[pid 9942] <... close resumed>) = 0
[pid 5075] rmdir("./204" <unfinished ...>
[pid 9952] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9950] <... clone resumed>, parent_tid=[9952], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9952
[pid 9942] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9952] <... set_robust_list resumed>) = 0
[pid 9950] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9942] <... futex resumed>) = 1
[pid 9940] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9952] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9950] <... futex resumed>) = 0
[ 258.324798][ T9951] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 258.338590][ T9947] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 258.349659][ T9947] NILFS (loop1): trying rollback from an earlier position
[ 258.364059][ T9947] NILFS (loop1): recovery complete
[pid 9942] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9940] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] mkdir("./205", 0777 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9952] <... memfd_create resumed>) = 3
[pid 9950] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9947] <... mount resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 9952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9947] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9952] <... mmap resumed>) = 0x7fe424ef8000
[pid 9947] <... openat resumed>) = 3
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9947] chdir("./file0" <unfinished ...>
[pid 9942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9940] <... futex resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9947] <... chdir resumed>) = 0
[pid 9942] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9940] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9947] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9942] <... openat resumed>) = 4
[pid 5075] <... openat resumed>) = 3
[pid 5074] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9947] <... ioctl resumed>) = 0
[pid 9942] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... openat resumed>) = 3
[pid 9947] close(4 <unfinished ...>
[pid 9942] <... futex resumed>) = 1
[pid 9940] <... futex resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] lstat("./201/binderfs", <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 9952] <... write resumed>) = 2097152
[pid 9947] <... close resumed>) = 0
[pid 9942] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9940] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9952] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9947] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9940] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5074] unlink("./201/binderfs" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 9952] <... munmap resumed>) = 0
[pid 9947] <... futex resumed>) = 1
[pid 9944] <... futex resumed>) = 0
[ 258.380095][ T9953] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9942] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9940] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... unlink resumed>) = 0
[pid 9952] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9947] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9944] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9952] <... openat resumed>) = 4
[pid 9947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9944] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9954
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9952] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9947] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9944] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./202/binderfs") = 0
[pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9947] <... openat resumed>) = 4
[pid 9947] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9944] <... futex resumed>) = 0
[pid 9947] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9944] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9944] <... futex resumed>) = 0
[pid 9947] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9944] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9952] <... ioctl resumed>) = 0
[pid 9952] close(3) = 0
[pid 9952] mkdir("./file0", 0777) = 0
[pid 9952] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 9954 attached
<unfinished ...>
[pid 9954] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9954] chdir("./205") = 0
[pid 9954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9954] setpgid(0, 0 <unfinished ...>
[pid 9940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9954] <... setpgid resumed>) = 0
[pid 9940] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9954] <... openat resumed>) = 3
[pid 9940] <... mmap resumed>) = 0x7fe4250d7000
[pid 9954] write(3, "1000", 4 <unfinished ...>
[pid 9940] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9954] <... write resumed>) = 4
[pid 9940] <... mprotect resumed>) = 0
[ 258.450097][ T9952] loop0: detected capacity change from 0 to 4096
[pid 9954] close(3 <unfinished ...>
[pid 9940] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 9954] <... close resumed>) = 0
[pid 9954] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9940] <... clone resumed>, parent_tid=[9955], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9955
[pid 9954] <... symlink resumed>) = 0
[pid 9940] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9954] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9940] <... futex resumed>) = 0
[pid 9940] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9954] <... futex resumed>) = 0
[pid 9944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 9955 attached
[pid 9955] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9944] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9955] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9954] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9944] <... futex resumed>) = 0
[pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9955] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9940] <... futex resumed>) = 0
[pid 9955] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9954] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9954] <... mprotect resumed>) = 0
[pid 9954] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9944] <... mmap resumed>) = 0x7fe4250d7000
[pid 9944] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9954] <... clone resumed>, parent_tid=[9956], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9956
[pid 9944] <... mprotect resumed>) = 0
[pid 9954] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9954] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9954] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9944] <... clone resumed>, parent_tid=[9957], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9957
[pid 9944] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] lstat("./201/file0", <unfinished ...>
[pid 9944] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9957 attached
[pid 9944] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9957] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 258.522778][ T9952] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 9957] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9956 attached
<unfinished ...>
[pid 9957] <... mmap resumed>) = 0x20000000
[pid 5074] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9957] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9956] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5072] lstat("./202/file0", <unfinished ...>
[pid 9957] <... futex resumed>) = 1
[pid 9956] <... set_robust_list resumed>) = 0
[pid 9944] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9957] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9956] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 9956] <... memfd_create resumed>) = 3
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] rmdir("./202/file0" <unfinished ...>
[pid 9956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9956] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3) = 0
[pid 5072] rmdir("./202" <unfinished ...>
[pid 9947] <... write resumed>) = 151552
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9947] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9944] exit_group(0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[ 258.564110][ T9952] NILFS (loop0): trying rollback from an earlier position
[ 258.590036][ T9952] NILFS (loop0): recovery complete
[pid 5072] mkdir("./203", 0777 <unfinished ...>
[pid 9957] <... futex resumed>) = ?
[pid 9956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9947] <... futex resumed>) = ?
[pid 9944] <... exit_group resumed>) = ?
[pid 5074] close(4 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 9957] +++ exited with 0 +++
[pid 9952] <... mount resumed>) = 0
[pid 9947] +++ exited with 0 +++
[pid 9944] +++ exited with 0 +++
[pid 9942] <... write resumed>) = 241664
[pid 5074] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9952] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9942] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./201/file0" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9944, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9952] <... openat resumed>) = 3
[pid 9942] <... futex resumed>) = 0
[pid 9940] exit_group(0 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9955] <... futex resumed>) = ?
[pid 9952] chdir("./file0" <unfinished ...>
[pid 9940] <... exit_group resumed>) = ?
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9955] +++ exited with 0 +++
[pid 9952] <... chdir resumed>) = 0
[pid 9942] +++ exited with 0 +++
[pid 9940] +++ exited with 0 +++
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9952] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... close resumed>) = 0
[pid 9952] <... ioctl resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9952] close(4 <unfinished ...>
[pid 5071] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9952] <... close resumed>) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9959
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9952] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9940, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9952] <... futex resumed>) = 1
[pid 9950] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9952] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9950] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./201" <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 9952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9950] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9952] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9950] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 9952] <... openat resumed>) = 4
[pid 5074] mkdir("./202", 0777 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9952] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9952] <... futex resumed>) = 1
[pid 9950] <... futex resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9959 attached
[pid 9956] <... write resumed>) = 2097152
[pid 9952] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9950] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./200/binderfs", <unfinished ...>
[pid 9952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9950] <... futex resumed>) = 0
[ 258.610268][ T9958] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9952] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9950] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] unlink("./200/binderfs" <unfinished ...>
[pid 9959] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9956] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9959] <... set_robust_list resumed>) = 0
[pid 9956] <... munmap resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9959] chdir("./203" <unfinished ...>
[pid 9956] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... openat resumed>) = 3
[pid 9959] <... chdir resumed>) = 0
[pid 9956] <... openat resumed>) = 4
[pid 9959] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9956] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9959] <... prctl resumed>) = 0
[pid 9959] setpgid(0, 0 <unfinished ...>
[pid 9956] <... ioctl resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9959] <... setpgid resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9959] <... openat resumed>) = 3
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9960
[pid 5073] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9959] write(3, "1000", 4 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9959] <... write resumed>) = 4
[pid 5073] lstat("./203/binderfs", <unfinished ...>
[pid 9959] close(3 <unfinished ...>
[pid 9956] close(3 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9959] <... close resumed>) = 0
[pid 9956] <... close resumed>) = 0
[pid 5073] unlink("./203/binderfs" <unfinished ...>
[pid 9959] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9956] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9959] <... symlink resumed>) = 0
[pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9959] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 9960 attached
) = 0x7fe42d2f8000
[pid 9960] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9960] chdir("./202") = 0
[pid 9960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9959] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9960] setpgid(0, 0 <unfinished ...>
[pid 9959] <... mprotect resumed>) = 0
[pid 9956] <... mkdir resumed>) = 0
[pid 9960] <... setpgid resumed>) = 0
[pid 9959] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9956] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9959] <... clone resumed>, parent_tid=[9961], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9961
[pid 9950] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... umount2 resumed>) = 0
[pid 9960] write(3, "1000", 4 <unfinished ...>
[pid 9959] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9950] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9960] <... write resumed>) = 4
[pid 9959] <... futex resumed>) = 0
[pid 9950] <... futex resumed>) = 0
[pid 9960] close(3 <unfinished ...>
[pid 9959] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9960] <... close resumed>) = 0
[pid 9950] <... mmap resumed>) = 0x7fe4250d7000
[pid 9960] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[ 258.688724][ T9956] loop5: detected capacity change from 0 to 4096
[pid 9950] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9961 attached
<unfinished ...>
[pid 9960] <... symlink resumed>) = 0
[pid 9950] <... mprotect resumed>) = 0
[pid 9961] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9960] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9950] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9961] <... set_robust_list resumed>) = 0
[pid 9960] <... futex resumed>) = 0
[pid 9961] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9950] <... clone resumed>, parent_tid=[9962], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9962
[pid 9961] <... memfd_create resumed>) = 3
[pid 9960] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9950] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9960] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9950] <... futex resumed>) = 0
[pid 9961] <... mmap resumed>) = 0x7fe424ef8000
[pid 9960] <... mprotect resumed>) = 0
[pid 9950] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9962 attached
<unfinished ...>
[pid 9960] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9962] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9960] <... clone resumed>, parent_tid=[9963], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9963
[pid 9962] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9960] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9963 attached
) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 9963] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9960] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9963] <... set_robust_list resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9963] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] lstat("./203/file0", <unfinished ...>
[pid 9963] <... memfd_create resumed>) = 3
[pid 9963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9962] <... mmap resumed>) = 0x20000000
[ 258.766940][ T9956] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 258.776252][ T9956] NILFS (loop5): trying rollback from an earlier position
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9963] <... mmap resumed>) = 0x7fe424ef8000
[pid 9962] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9956] <... mount resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9962] <... futex resumed>) = 1
[pid 9950] <... futex resumed>) = 0
[pid 5071] lstat("./200/file0", <unfinished ...>
[pid 9962] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(4 <unfinished ...>
[pid 9956] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9956] chdir("./file0" <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5071] rmdir("./200/file0" <unfinished ...>
[pid 9963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9956] <... chdir resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9956] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... close resumed>) = 0
[pid 9956] <... ioctl resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] rmdir("./200" <unfinished ...>
[pid 9956] close(4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... rmdir resumed>) = 0
[pid 9956] <... close resumed>) = 0
[pid 5071] mkdir("./201", 0777 <unfinished ...>
[pid 9956] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 9956] <... futex resumed>) = 1
[pid 9954] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9956] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9954] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9954] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9956] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9954] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] rmdir("./203/file0" <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9956] <... openat resumed>) = 4
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 9956] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 9956] <... futex resumed>) = 1
[ 258.808097][ T9956] NILFS (loop5): recovery complete
[ 258.815350][ T9964] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9954] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9956] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9954] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 9956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9954] <... futex resumed>) = 0
[pid 9952] <... write resumed>) = 253952
[pid 5073] <... close resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9965
[pid 9956] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9954] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9952] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./203"./strace-static-x86_64: Process 9965 attached
<unfinished ...>
[pid 9952] <... futex resumed>) = 0
[pid 9950] exit_group(0 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9965] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9962] <... futex resumed>) = ?
[pid 9950] <... exit_group resumed>) = ?
[pid 5073] mkdir("./204", 0777 <unfinished ...>
[pid 9965] <... set_robust_list resumed>) = 0
[pid 9963] <... write resumed>) = 2097152
[pid 9962] +++ exited with 0 +++
[pid 9952] +++ exited with 0 +++
[pid 9950] +++ exited with 0 +++
[pid 9965] chdir("./201" <unfinished ...>
[pid 9963] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9961] <... write resumed>) = 2097152
[pid 5073] <... mkdir resumed>) = 0
[pid 9965] <... chdir resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9950, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 9965] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9963] <... munmap resumed>) = 0
[pid 9961] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9965] <... prctl resumed>) = 0
[pid 9963] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9965] setpgid(0, 0 <unfinished ...>
[pid 9963] <... openat resumed>) = 4
[pid 9961] <... munmap resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9965] <... setpgid resumed>) = 0
[pid 9963] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9961] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 9965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 9965] <... openat resumed>) = 3
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9965] write(3, "1000", 4 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 9965] <... write resumed>) = 4
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9965] close(3 <unfinished ...>
[pid 5070] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9965] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9965] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9961] <... openat resumed>) = 4
[pid 5070] lstat("./200/binderfs", <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9965] <... symlink resumed>) = 0
[pid 9961] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9965] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9963] <... ioctl resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5070] unlink("./200/binderfs" <unfinished ...>
[pid 9965] <... futex resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 9965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9965] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9965] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9965] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9966], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9966
[pid 9965] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9963] close(3 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 9965] <... futex resumed>) = 0
[pid 9963] <... close resumed>) = 0
[pid 9961] <... ioctl resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9965] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9963] mkdir("./file0", 0777 <unfinished ...>
[pid 9954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9954] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9967
[pid 9954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9963] <... mkdir resumed>) = 0
[pid 9961] close(3 <unfinished ...>
[pid 9954] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9966 attached
[pid 9954] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9963] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9961] <... close resumed>) = 0
[ 258.920417][ T9963] loop4: detected capacity change from 0 to 4096
[ 258.929851][ T9961] loop2: detected capacity change from 0 to 4096
[pid 9966] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9954] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 9967 attached
[pid 9966] <... set_robust_list resumed>) = 0
[pid 9961] mkdir("./file0", 0777 <unfinished ...>
[pid 9954] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9967] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9966] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9961] <... mkdir resumed>) = 0
[pid 9967] <... set_robust_list resumed>) = 0
[pid 9966] <... memfd_create resumed>) = 3
[pid 9961] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9954] <... clone resumed>, parent_tid=[9968], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9968
[pid 9967] chdir("./204" <unfinished ...>
[pid 9966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9954] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9968 attached
<unfinished ...>
[pid 9967] <... chdir resumed>) = 0
[pid 9966] <... mmap resumed>) = 0x7fe424ef8000
[pid 9954] <... futex resumed>) = 0
[pid 9968] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9967] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9954] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9968] <... set_robust_list resumed>) = 0
[pid 9968] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9968] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9954] <... futex resumed>) = 0
[pid 9968] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9967] <... prctl resumed>) = 0
[pid 9967] setpgid(0, 0) = 0
[pid 9967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9967] write(3, "1000", 4) = 4
[pid 9967] close(3) = 0
[pid 9967] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9967] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9967] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[ 258.966102][ T9963] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 258.987640][ T9961] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 258.995729][ T9961] NILFS (loop2): trying rollback from an earlier position
[pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9967] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./200/file0", <unfinished ...>
[pid 9966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9967] <... clone resumed>, parent_tid=[9969], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9969
[pid 5070] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 9969 attached
<unfinished ...>
[pid 9967] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9969] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9967] <... futex resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9969] <... set_robust_list resumed>) = 0
[pid 9967] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9969] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9956] <... write resumed>) = 221184
[pid 5070] getdents64(4, <unfinished ...>
[pid 9969] <... memfd_create resumed>) = 3
[pid 9956] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9966] <... write resumed>) = 2097152
[pid 9956] <... futex resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9954] exit_group(0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9968] <... futex resumed>) = ?
[pid 9954] <... exit_group resumed>) = ?
[pid 5070] close(4 <unfinished ...>
[pid 9969] <... mmap resumed>) = 0x7fe424ef8000
[pid 9968] +++ exited with 0 +++
[pid 5070] <... close resumed>) = 0
[pid 5070] rmdir("./200/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./200") = 0
[pid 5070] mkdir("./201", 0777 <unfinished ...>
[pid 9956] +++ exited with 0 +++
[pid 9954] +++ exited with 0 +++
[pid 5070] <... mkdir resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9954, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[ 259.024408][ T9963] NILFS (loop4): trying rollback from an earlier position
[ 259.050726][ T9963] NILFS (loop4): recovery complete
[ 259.062652][ T9961] NILFS (loop2): recovery complete
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9963] <... mount resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 9963] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5075] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9972
[pid 5075] <... openat resumed>) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9963] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./205/binderfs", ./strace-static-x86_64: Process 9972 attached
{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9972] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] unlink("./205/binderfs" <unfinished ...>
[pid 9972] <... set_robust_list resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 9972] chdir("./201" <unfinished ...>
[pid 5075] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9972] <... chdir resumed>) = 0
[pid 9969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9963] chdir("./file0" <unfinished ...>
[pid 9961] <... mount resumed>) = 0
[pid 9972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9972] setpgid(0, 0) = 0
[pid 9972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 9972] write(3, "1000", 4) = 4
[pid 9972] close(3) = 0
[pid 9972] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9963] <... chdir resumed>) = 0
[pid 9961] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9972] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9963] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9961] <... openat resumed>) = 3
[pid 9972] <... futex resumed>) = 0
[pid 9963] <... ioctl resumed>) = 0
[pid 9961] chdir("./file0" <unfinished ...>
[pid 9972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9963] close(4 <unfinished ...>
[pid 9961] <... chdir resumed>) = 0
[pid 9972] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9963] <... close resumed>) = 0
[pid 9961] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9972] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9963] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9961] <... ioctl resumed>) = 0
[ 259.080742][ T9970] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 259.092159][ T9971] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9972] <... mprotect resumed>) = 0
[pid 9966] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9963] <... futex resumed>) = 1
[pid 9961] close(4 <unfinished ...>
[pid 9960] <... futex resumed>) = 0
[pid 9972] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9966] <... munmap resumed>) = 0
[pid 9963] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9961] <... close resumed>) = 0
[pid 9960] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9961] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9960] <... futex resumed>) = 0
[pid 9972] <... clone resumed>, parent_tid=[9973], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9973
[pid 9966] <... openat resumed>) = 4
[pid 9963] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9961] <... futex resumed>) = 1
[pid 9960] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9959] <... futex resumed>) = 0
[pid 9972] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9961] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9959] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9972] <... futex resumed>) = 0
[pid 9961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9959] <... futex resumed>) = 0
./strace-static-x86_64: Process 9973 attached
[pid 9972] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9963] <... openat resumed>) = 4
[pid 9961] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9959] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9973] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9963] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9973] <... set_robust_list resumed>) = 0
[pid 9963] <... futex resumed>) = 1
[pid 9960] <... futex resumed>) = 0
[pid 9973] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9963] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9960] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 9973] <... memfd_create resumed>) = 3
[pid 9963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9960] <... futex resumed>) = 0
[pid 9973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9963] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9961] <... openat resumed>) = 4
[pid 9960] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9973] <... mmap resumed>) = 0x7fe424ef8000
[pid 9961] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9959] <... futex resumed>) = 0
[pid 9961] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9959] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9959] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9966] <... ioctl resumed>) = 0
[pid 9961] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9959] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./205/file0", <unfinished ...>
[pid 9966] close(3 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9966] <... close resumed>) = 0
[pid 5075] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9966] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9966] <... mkdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9966] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./205/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[ 259.154050][ T9966] loop1: detected capacity change from 0 to 4096
[pid 5075] rmdir("./205") = 0
[pid 5075] mkdir("./206", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 9973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9960] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9960] <... futex resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 9969] <... write resumed>) = 2097152
[pid 9960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 9969] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9960] <... mmap resumed>) = 0x7fe4250d7000
[pid 9959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9969] <... munmap resumed>) = 0
[pid 9960] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9959] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9969] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 9960] <... mprotect resumed>) = 0
[pid 9959] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9974
[pid 9969] <... openat resumed>) = 4
[pid 9960] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9969] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9959] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 9974 attached
[pid 9960] <... clone resumed>, parent_tid=[9975], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9975
[pid 9974] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9960] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] <... set_robust_list resumed>) = 0
[pid 9960] <... futex resumed>) = 0
./strace-static-x86_64: Process 9975 attached
[pid 9974] chdir("./206" <unfinished ...>
[pid 9960] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9975] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9974] <... chdir resumed>) = 0
[pid 9975] <... set_robust_list resumed>) = 0
[pid 9974] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9975] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9974] <... prctl resumed>) = 0
[pid 9975] <... mmap resumed>) = 0x20000000
[pid 9974] setpgid(0, 0 <unfinished ...>
[pid 9959] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9975] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] <... setpgid resumed>) = 0
[pid 9959] <... mprotect resumed>) = 0
[pid 9975] <... futex resumed>) = 1
[pid 9974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9960] <... futex resumed>) = 0
[pid 9959] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9975] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9974] <... openat resumed>) = 3
[pid 9974] write(3, "1000", 4 <unfinished ...>
[pid 9959] <... clone resumed>, parent_tid=[9976], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9976
[ 259.226095][ T9966] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 259.255217][ T9969] loop3: detected capacity change from 0 to 4096
[pid 9974] <... write resumed>) = 4
[pid 9959] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] close(3 <unfinished ...>
[pid 9959] <... futex resumed>) = 0
[pid 9974] <... close resumed>) = 0
[pid 9959] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9974] symlink("/dev/binderfs", "./binderfs") = 0
./strace-static-x86_64: Process 9976 attached
[pid 9974] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9969] <... ioctl resumed>) = 0
[pid 9976] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9974] <... futex resumed>) = 0
[pid 9969] close(3 <unfinished ...>
[pid 9976] <... set_robust_list resumed>) = 0
[pid 9974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9969] <... close resumed>) = 0
[pid 9976] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9974] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9969] mkdir("./file0", 0777 <unfinished ...>
[pid 9974] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9976] <... mmap resumed>) = 0x20000000
[pid 9974] <... mprotect resumed>) = 0
[pid 9976] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9969] <... mkdir resumed>) = 0
[ 259.269687][ T9966] NILFS (loop1): trying rollback from an earlier position
[pid 9976] <... futex resumed>) = 1
[pid 9973] <... write resumed>) = 2097152
[pid 9969] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9959] <... futex resumed>) = 0
[pid 9976] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9974] <... clone resumed>, parent_tid=[9977], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9977
./strace-static-x86_64: Process 9977 attached
[pid 9974] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9977] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9974] <... futex resumed>) = 0
[pid 9977] <... set_robust_list resumed>) = 0
[pid 9974] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9977] memfd_create("syzkaller", 0) = 3
[pid 9963] <... write resumed>) = 172032
[pid 9977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9963] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9977] <... mmap resumed>) = 0x7fe424ef8000
[pid 9963] <... futex resumed>) = 0
[pid 9960] exit_group(0 <unfinished ...>
[pid 9975] <... futex resumed>) = ?
[pid 9973] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9960] <... exit_group resumed>) = ?
[pid 9975] +++ exited with 0 +++
[pid 9973] <... munmap resumed>) = 0
[pid 9973] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 9973] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9963] +++ exited with 0 +++
[pid 9960] +++ exited with 0 +++
[pid 9973] <... ioctl resumed>) = 0
[pid 9973] close(3) = 0
[pid 9973] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9960, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5074] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9961] <... write resumed>) = 253952
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9961] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9961] <... futex resumed>) = 0
[pid 9961] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 9959] exit_group(0 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 9977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9976] <... futex resumed>) = ?
[pid 9973] <... mkdir resumed>) = 0
[pid 9961] <... futex resumed>) = ?
[pid 9959] <... exit_group resumed>) = ?
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9976] +++ exited with 0 +++
[pid 9973] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9961] +++ exited with 0 +++
[pid 9959] +++ exited with 0 +++
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9959, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[ 259.340413][ T9969] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 259.352876][ T9973] loop0: detected capacity change from 0 to 4096
[ 259.357166][ T9969] NILFS (loop3): trying rollback from an earlier position
[ 259.369114][ T9966] NILFS (loop1): recovery complete
[pid 9969] <... mount resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5072] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./203/binderfs" <unfinished ...>
[pid 9969] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9966] <... mount resumed>) = 0
[pid 5074] lstat("./202/binderfs", <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 9969] <... openat resumed>) = 3
[pid 9966] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[ 259.392665][ T9969] NILFS (loop3): recovery complete
[ 259.400724][ T9973] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 259.401963][ T9979] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 259.419973][ T9978] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9977] <... write resumed>) = 2097152
[pid 9969] chdir("./file0" <unfinished ...>
[pid 9966] <... openat resumed>) = 3
[pid 5074] unlink("./202/binderfs" <unfinished ...>
[pid 9977] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9969] <... chdir resumed>) = 0
[pid 9966] chdir("./file0" <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 9977] <... munmap resumed>) = 0
[pid 9969] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9966] <... chdir resumed>) = 0
[pid 9977] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9969] <... ioctl resumed>) = 0
[pid 9966] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9977] <... openat resumed>) = 4
[pid 9969] close(4 <unfinished ...>
[pid 9966] <... ioctl resumed>) = 0
[pid 9977] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9969] <... close resumed>) = 0
[ 259.441055][ T9973] NILFS (loop0): trying rollback from an earlier position
[pid 9966] close(4 <unfinished ...>
[pid 9977] <... ioctl resumed>) = 0
[pid 9969] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] <... close resumed>) = 0
[pid 9977] close(3 <unfinished ...>
[pid 9969] <... futex resumed>) = 1
[pid 9967] <... futex resumed>) = 0
[pid 9966] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9977] <... close resumed>) = 0
[pid 9969] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9967] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] <... futex resumed>) = 1
[pid 9965] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 9977] mkdir("./file0", 0777 <unfinished ...>
[pid 9973] <... mount resumed>) = 0
[pid 9969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9967] <... futex resumed>) = 0
[pid 9966] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9965] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9977] <... mkdir resumed>) = 0
[pid 9973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9969] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9967] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9966] <... openat resumed>) = 4
[pid 9965] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9977] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9973] <... openat resumed>) = 3
[pid 9969] <... openat resumed>) = 4
[pid 9966] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9965] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] lstat("./203/file0", <unfinished ...>
[pid 9973] chdir("./file0" <unfinished ...>
[pid 9969] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] <... futex resumed>) = 0
[pid 9965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 259.465593][ T9977] loop5: detected capacity change from 0 to 4096
[ 259.481173][ T9973] NILFS (loop0): recovery complete
[ 259.493823][ T9980] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9969] <... futex resumed>) = 1
[pid 9967] <... futex resumed>) = 0
[pid 9966] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9965] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9969] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9967] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9965] <... futex resumed>) = 0
[pid 9969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9967] <... futex resumed>) = 0
[pid 9966] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9965] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9973] <... chdir resumed>) = 0
[pid 9969] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9967] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9973] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9973] <... ioctl resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9973] close(4 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9973] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9973] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9973] <... futex resumed>) = 1
[pid 9972] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9973] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9972] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9972] <... futex resumed>) = 0
[pid 5072] rmdir("./203/file0" <unfinished ...>
[pid 9973] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9972] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9965] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] close(3 <unfinished ...>
[pid 9973] <... openat resumed>) = 4
[pid 9965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9973] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9965] <... mmap resumed>) = 0x7fe4250d7000
[ 259.524277][ T9977] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 259.558387][ T9977] NILFS (loop5): trying rollback from an earlier position
[pid 5072] rmdir("./203" <unfinished ...>
[pid 9973] <... futex resumed>) = 1
[pid 9972] <... futex resumed>) = 0
[pid 9967] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9965] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9973] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9972] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9967] <... futex resumed>) = 0
[pid 9965] <... mprotect resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 9972] <... futex resumed>) = 0
[pid 9967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9965] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9967] <... mmap resumed>) = 0x7fe4250d7000
[pid 9967] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9965] <... clone resumed>, parent_tid=[9981], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9981
[pid 9967] <... mprotect resumed>) = 0
[pid 9965] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9967] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9965] <... futex resumed>) = 0
./strace-static-x86_64: Process 9981 attached
[pid 9972] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9965] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] mkdir("./204", 0777 <unfinished ...>
[pid 9981] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9967] <... clone resumed>, parent_tid=[9982], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9982
[pid 9967] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9967] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9982 attached
<unfinished ...>
[pid 9981] <... set_robust_list resumed>) = 0
[pid 9977] <... mount resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 9982] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9982] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 9981] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9977] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9982] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9982] <... futex resumed>) = 1
[pid 9981] <... mmap resumed>) = 0x20000000
[pid 9977] <... openat resumed>) = 3
[pid 9967] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9982] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9981] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9977] chdir("./file0" <unfinished ...>
[pid 5074] lstat("./202/file0", <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9981] <... futex resumed>) = 1
[pid 9977] <... chdir resumed>) = 0
[pid 9965] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9981] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9977] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 9977] <... ioctl resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9977] close(4 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 9977] <... close resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9977] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 9977] <... futex resumed>) = 1
[pid 9974] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9984
[pid 9977] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9974] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, ./strace-static-x86_64: Process 9984 attached
<unfinished ...>
[pid 9977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9974] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9984] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9977] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9974] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] close(4 <unfinished ...>
[pid 9984] <... set_robust_list resumed>) = 0
[pid 9972] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9984] chdir("./204" <unfinished ...>
[pid 9972] <... futex resumed>) = 0
[pid 5074] rmdir("./202/file0" <unfinished ...>
[pid 9984] <... chdir resumed>) = 0
[ 259.626688][ T9977] NILFS (loop5): recovery complete
[ 259.641787][ T9983] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 9977] <... openat resumed>) = 4
[pid 9984] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9977] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9972] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] getdents64(3, <unfinished ...>
[pid 9984] <... prctl resumed>) = 0
[pid 9977] <... futex resumed>) = 1
[pid 9974] <... futex resumed>) = 0
[pid 9972] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9984] setpgid(0, 0 <unfinished ...>
[pid 9977] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9974] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9972] <... mprotect resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 9984] <... setpgid resumed>) = 0
[pid 9977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9974] <... futex resumed>) = 0
[pid 9972] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 9984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9977] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9974] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] rmdir("./202"./strace-static-x86_64: Process 9985 attached
<unfinished ...>
[pid 9984] <... openat resumed>) = 3
[pid 9972] <... clone resumed>, parent_tid=[9985], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9985
[pid 9969] <... write resumed>) = 212992
[pid 5074] <... rmdir resumed>) = 0
[pid 9985] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9984] write(3, "1000", 4 <unfinished ...>
[pid 9972] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9969] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9967] exit_group(0 <unfinished ...>
[pid 9966] <... write resumed>) = 192512
[pid 5074] mkdir("./203", 0777 <unfinished ...>
[pid 9985] <... set_robust_list resumed>) = 0
[pid 9984] <... write resumed>) = 4
[pid 9982] <... futex resumed>) = ?
[pid 9972] <... futex resumed>) = 0
[pid 9969] <... futex resumed>) = ?
[pid 9967] <... exit_group resumed>) = ?
[pid 9966] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9965] exit_group(0 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 9985] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9984] close(3 <unfinished ...>
[pid 9982] +++ exited with 0 +++
[pid 9981] <... futex resumed>) = ?
[pid 9972] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9969] +++ exited with 0 +++
[pid 9967] +++ exited with 0 +++
[pid 9966] <... futex resumed>) = ?
[pid 9965] <... exit_group resumed>) = ?
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 9985] <... mmap resumed>) = 0x20000000
[pid 9984] <... close resumed>) = 0
[pid 9981] +++ exited with 0 +++
[pid 9966] +++ exited with 0 +++
[pid 5074] <... openat resumed>) = 3
[pid 9984] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9965] +++ exited with 0 +++
[pid 9985] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9967, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9985] <... futex resumed>) = 1
[pid 9984] <... symlink resumed>) = 0
[pid 9972] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9965, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 9985] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9984] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 9984] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 9986
[pid 5071] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9984] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5071] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9984] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 9984] <... mprotect resumed>) = 0
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] lstat("./201/binderfs", <unfinished ...>
[pid 9974] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 9986 attached
<unfinished ...>
[pid 9984] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9974] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] unlink("./201/binderfs" <unfinished ...>
[pid 9986] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 9986] <... set_robust_list resumed>) = 0
[pid 9984] <... clone resumed>, parent_tid=[9987], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9987
[pid 9974] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] <... openat resumed>) = 3
[pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9986] chdir("./203" <unfinished ...>
[pid 9984] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 9986] <... chdir resumed>) = 0
[pid 9984] <... futex resumed>) = 0
[pid 9974] <... mprotect resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 9987 attached
[pid 9986] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9984] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9974] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 9987] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9986] <... prctl resumed>) = 0
[pid 9987] <... set_robust_list resumed>) = 0
[pid 9986] setpgid(0, 0 <unfinished ...>
[pid 9974] <... clone resumed>, parent_tid=[9988], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 9988
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9987] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9986] <... setpgid resumed>) = 0
[pid 9974] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9987] <... memfd_create resumed>) = 3
[pid 9986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9974] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 9988 attached
[pid 9987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9986] <... openat resumed>) = 3
[pid 9974] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] lstat("./204/binderfs", <unfinished ...>
[pid 9988] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9987] <... mmap resumed>) = 0x7fe424ef8000
[pid 9986] write(3, "1000", 4 <unfinished ...>
[pid 9988] <... set_robust_list resumed>) = 0
[pid 9986] <... write resumed>) = 4
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 9988] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9986] close(3 <unfinished ...>
[pid 5073] unlink("./204/binderfs" <unfinished ...>
[pid 9988] <... mmap resumed>) = 0x20000000
[pid 9986] <... close resumed>) = 0
[pid 9988] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9986] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 9988] <... futex resumed>) = 1
[pid 9986] <... symlink resumed>) = 0
[pid 9974] <... futex resumed>) = 0
[pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9988] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9986] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 9986] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9986] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9986] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9989], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9989
[pid 9986] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 9989 attached
[pid 9989] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 9989] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9986] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9989] <... memfd_create resumed>) = 3
[pid 9973] <... write resumed>) = 442368
[pid 9989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9989] <... mmap resumed>) = 0x7fe424ef8000
[pid 9973] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9987] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9973] <... futex resumed>) = 0
[pid 9973] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9972] exit_group(0 <unfinished ...>
[pid 5071] lstat("./201/file0", <unfinished ...>
[pid 9985] <... futex resumed>) = ?
[pid 9973] <... futex resumed>) = ?
[pid 9972] <... exit_group resumed>) = ?
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9985] +++ exited with 0 +++
[pid 9973] +++ exited with 0 +++
[pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 9972] +++ exited with 0 +++
[pid 5071] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9972, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... restart_syscall resumed>) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(4 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5071] rmdir("./201/file0" <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(3 <unfinished ...>
[pid 5070] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] lstat("./204/file0", <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] rmdir("./201" <unfinished ...>
[pid 5070] lstat("./201/binderfs", <unfinished ...>
[pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] mkdir("./202", 0777 <unfinished ...>
[pid 5070] unlink("./201/binderfs" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 5073] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 9987] <... write resumed>) = 2097152
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... close resumed>) = 0
[pid 9987] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9987] <... munmap resumed>) = 0
[pid 9977] <... write resumed>) = 339968
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9987] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9977] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9974] exit_group(0 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9990
[pid 9988] <... futex resumed>) = ?
[pid 9987] <... openat resumed>) = 4
[pid 9977] <... futex resumed>) = ?
[pid 9974] <... exit_group resumed>) = ?
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 9990 attached
[pid 9988] +++ exited with 0 +++
[pid 9987] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9977] +++ exited with 0 +++
[pid 9974] +++ exited with 0 +++
[pid 5073] rmdir("./204/file0" <unfinished ...>
[pid 9990] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9987] <... ioctl resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9974, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 9990] <... set_robust_list resumed>) = 0
[pid 9987] close(3 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 9990] chdir("./202" <unfinished ...>
[pid 9987] <... close resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 9990] <... chdir resumed>) = 0
[pid 9987] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9990] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9990] <... prctl resumed>) = 0
[pid 9987] <... mkdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 9990] setpgid(0, 0 <unfinished ...>
[pid 9987] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... close resumed>) = 0
[pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9990] <... setpgid resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 9990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9989] <... write resumed>) = 2097152
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] rmdir("./204" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9990] <... openat resumed>) = 3
[pid 9989] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] lstat("./201/file0", <unfinished ...>
[pid 9990] write(3, "1000", 4 <unfinished ...>
[pid 9989] <... munmap resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] mkdir("./205", 0777 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9990] <... write resumed>) = 4
[pid 9989] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./206/binderfs", <unfinished ...>
[pid 9990] close(3 <unfinished ...>
[pid 9989] <... openat resumed>) = 4
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] unlink("./206/binderfs") = 0
[pid 9990] <... close resumed>) = 0
[pid 9989] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[ 259.969196][ T9987] loop2: detected capacity change from 0 to 4096
[ 259.993193][ T9987] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 260.001974][ T9987] NILFS (loop2): trying rollback from an earlier position
[pid 5075] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9990] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5070] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9990] <... symlink resumed>) = 0
[pid 9989] <... ioctl resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 9990] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9990] <... futex resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 9990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9989] close(3 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9990] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9989] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9990] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9989] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9990] <... mprotect resumed>) = 0
[pid 9989] <... mkdir resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 9990] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9989] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9991
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4 <unfinished ...>
[pid 9990] <... clone resumed>, parent_tid=[9992], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9992
[pid 5070] <... close resumed>) = 0
./strace-static-x86_64: Process 9991 attached
[pid 9990] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] rmdir("./201/file0" <unfinished ...>
[pid 9990] <... futex resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 9990] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 260.014157][ T9989] loop4: detected capacity change from 0 to 4096
[ 260.034088][ T9987] NILFS (loop2): recovery complete
[ 260.051068][ T9989] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 5070] getdents64(3, <unfinished ...>
[pid 9991] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9991] <... set_robust_list resumed>) = 0
[pid 9987] <... mount resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 9991] chdir("./205" <unfinished ...>
[pid 9987] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 9991] <... chdir resumed>) = 0
[pid 9987] <... openat resumed>) = 3
[pid 5070] rmdir("./201"./strace-static-x86_64: Process 9992 attached
<unfinished ...>
[pid 9991] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9987] chdir("./file0" <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 9992] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9991] <... prctl resumed>) = 0
[pid 9987] <... chdir resumed>) = 0
[pid 5070] mkdir("./202", 0777 <unfinished ...>
[pid 9992] <... set_robust_list resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 9992] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9992] <... memfd_create resumed>) = 3
[pid 5070] <... openat resumed>) = 3
[pid 9992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9992] <... mmap resumed>) = 0x7fe424ef8000
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9991] setpgid(0, 0 <unfinished ...>
[pid 9987] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[ 260.068038][ T9993] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 260.085782][ T9989] NILFS (loop4): trying rollback from an earlier position
[ 260.101672][ T9989] NILFS (loop4): recovery complete
[pid 5070] close(3 <unfinished ...>
[pid 9991] <... setpgid resumed>) = 0
[pid 9987] <... ioctl resumed>) = 0
[pid 5075] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9989] <... mount resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 9991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9987] close(4 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9991] <... openat resumed>) = 3
[pid 9987] <... close resumed>) = 0
[pid 5075] lstat("./206/file0", <unfinished ...>
[pid 9991] write(3, "1000", 4 <unfinished ...>
[pid 9987] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9991] <... write resumed>) = 4
[pid 9987] <... futex resumed>) = 1
[pid 5075] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9991] close(3 <unfinished ...>
[pid 9987] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9991] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9991] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 9991] <... symlink resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 9991] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9991] <... futex resumed>) = 0
[pid 9984] <... futex resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9989] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9984] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9991] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9987] <... futex resumed>) = 0
[pid 9984] <... futex resumed>) = 1
[pid 5075] getdents64(4, <unfinished ...>
[pid 9991] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9987] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9984] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9995
[pid 9991] <... mprotect resumed>) = 0
[pid 9989] <... openat resumed>) = 3
[pid 9987] <... openat resumed>) = 4
[pid 5075] close(4 <unfinished ...>
[pid 9991] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9987] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
./strace-static-x86_64: Process 9995 attached
[pid 9987] <... futex resumed>) = 1
[pid 5075] rmdir("./206/file0" <unfinished ...>
[pid 9995] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 9992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9991] <... clone resumed>, parent_tid=[9996], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9996
[pid 9989] chdir("./file0" <unfinished ...>
[pid 9987] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9984] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 9995] <... set_robust_list resumed>) = 0
[pid 9991] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 9995] chdir("./202" <unfinished ...>
[pid 9991] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9995] <... chdir resumed>) = 0
[pid 9991] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9995] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... close resumed>) = 0
./strace-static-x86_64: Process 9996 attached
[pid 9995] <... prctl resumed>) = 0
[pid 5075] rmdir("./206" <unfinished ...>
[pid 9996] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9995] setpgid(0, 0 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 9996] <... set_robust_list resumed>) = 0
[pid 9995] <... setpgid resumed>) = 0
[pid 5075] mkdir("./207", 0777 <unfinished ...>
[pid 9996] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 9996] <... memfd_create resumed>) = 3
[pid 9995] <... openat resumed>) = 3
[pid 9989] <... chdir resumed>) = 0
[pid 9984] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9995] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 9996] <... mmap resumed>) = 0x7fe424ef8000
[pid 9995] <... write resumed>) = 4
[pid 9989] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9987] <... futex resumed>) = 0
[pid 9984] <... futex resumed>) = 1
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9995] close(3 <unfinished ...>
[pid 9989] <... ioctl resumed>) = 0
[ 260.113146][ T9994] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9987] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9984] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 9995] <... close resumed>) = 0
[pid 9989] close(4 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 9995] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 9989] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 9995] <... symlink resumed>) = 0
[pid 9989] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 9995] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9989] <... futex resumed>) = 1
[pid 9986] <... futex resumed>) = 0
[pid 9995] <... futex resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 9997
[pid 9995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 9995] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9995] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9998], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9998
[pid 9995] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9995] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 9997 attached
<unfinished ...>
[pid 9997] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 9997] chdir("./207") = 0
[pid 9997] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 9989] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9986] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9998 attached
<unfinished ...>
[pid 9997] <... prctl resumed>) = 0
[pid 9992] <... write resumed>) = 2097152
[pid 9998] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9997] setpgid(0, 0 <unfinished ...>
[pid 9998] <... set_robust_list resumed>) = 0
[pid 9997] <... setpgid resumed>) = 0
[pid 9998] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9986] <... futex resumed>) = 0
[pid 9992] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9998] <... memfd_create resumed>) = 3
[pid 9997] <... openat resumed>) = 3
[pid 9989] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9986] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 9997] write(3, "1000", 4 <unfinished ...>
[pid 9996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9992] <... munmap resumed>) = 0
[pid 9989] <... openat resumed>) = 4
[pid 9998] <... mmap resumed>) = 0x7fe424ef8000
[pid 9997] <... write resumed>) = 4
[pid 9992] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 9989] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9997] close(3) = 0
[pid 9997] symlink("/dev/binderfs", "./binderfs") = 0
[pid 9992] <... openat resumed>) = 4
[pid 9989] <... futex resumed>) = 1
[pid 9986] <... futex resumed>) = 0
[pid 9997] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9989] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9986] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9997] <... mmap resumed>) = 0x7fe42d2f8000
[pid 9992] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9997] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9986] <... futex resumed>) = 0
[pid 9997] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9999], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 9999
[pid 9984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9997] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9989] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9986] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9984] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9997] <... futex resumed>) = 0
[pid 9997] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9984] <... futex resumed>) = 0
[pid 9984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9984] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9984] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10000], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10000
[pid 9984] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9984] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9992] <... ioctl resumed>) = 0
[pid 9992] close(3./strace-static-x86_64: Process 10000 attached
<unfinished ...>
[pid 10000] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 9992] <... close resumed>) = 0
./strace-static-x86_64: Process 9999 attached
[pid 10000] <... set_robust_list resumed>) = 0
[pid 10000] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9999] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 9996] <... write resumed>) = 2097152
[pid 9992] mkdir("./file0", 0777 <unfinished ...>
[pid 10000] <... mmap resumed>) = 0x20000000
[pid 9999] <... set_robust_list resumed>) = 0
[pid 9992] <... mkdir resumed>) = 0
[pid 10000] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9984] <... futex resumed>) = 0
[pid 10000] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9999] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9992] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9999] <... memfd_create resumed>) = 3
[ 260.211008][ T9992] loop1: detected capacity change from 0 to 4096
[pid 9999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 9986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9986] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9986] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9986] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10001], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10001
[pid 9986] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10001 attached
<unfinished ...>
[pid 9999] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 9996] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9986] <... futex resumed>) = 0
[pid 10001] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 9996] <... munmap resumed>) = 0
[pid 9986] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10001] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9996] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10001] <... mmap resumed>) = 0x20000000
[pid 9996] <... openat resumed>) = 4
[pid 10001] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9996] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9986] <... futex resumed>) = 0
[pid 10001] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9998] <... write resumed>) = 2097152
[pid 9998] munmap(0x7fe424ef8000, 2097152) = 0
[pid 9996] <... ioctl resumed>) = 0
[ 260.299081][ T9992] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 260.318547][ T9996] loop3: detected capacity change from 0 to 4096
[pid 9999] <... write resumed>) = 2097152
[pid 9998] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 9996] close(3) = 0
[pid 9998] <... openat resumed>) = 4
[pid 9996] mkdir("./file0", 0777 <unfinished ...>
[pid 9999] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 9998] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9996] <... mkdir resumed>) = 0
[pid 9996] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9999] <... munmap resumed>) = 0
[pid 9987] <... write resumed>) = 294912
[pid 9999] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 9987] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9999] <... openat resumed>) = 4
[pid 9998] <... ioctl resumed>) = 0
[pid 9989] <... write resumed>) = 155648
[pid 9987] <... futex resumed>) = 0
[pid 9984] exit_group(0 <unfinished ...>
[pid 10000] <... futex resumed>) = ?
[pid 9999] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 9998] close(3 <unfinished ...>
[pid 9989] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9984] <... exit_group resumed>) = ?
[pid 10000] +++ exited with 0 +++
[pid 9999] <... ioctl resumed>) = 0
[ 260.345110][ T9992] NILFS (loop1): trying rollback from an earlier position
[ 260.359504][ T9998] loop0: detected capacity change from 0 to 4096
[ 260.375271][ T9992] NILFS (loop1): recovery complete
[ 260.379964][ T9996] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 260.382718][ T9999] loop5: detected capacity change from 0 to 4096
[pid 9987] +++ exited with 0 +++
[pid 9986] exit_group(0 <unfinished ...>
[pid 9984] +++ exited with 0 +++
[pid 10001] <... futex resumed>) = ?
[pid 9999] close(3 <unfinished ...>
[pid 9998] <... close resumed>) = 0
[pid 9986] <... exit_group resumed>) = ?
[pid 9989] <... futex resumed>) = ?
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9984, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 10001] +++ exited with 0 +++
[pid 9999] <... close resumed>) = 0
[pid 9998] mkdir("./file0", 0777 <unfinished ...>
[pid 9999] mkdir("./file0", 0777 <unfinished ...>
[pid 9989] +++ exited with 0 +++
[pid 9986] +++ exited with 0 +++
[pid 9999] <... mkdir resumed>) = 0
[pid 9998] <... mkdir resumed>) = 0
[pid 5072] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9999] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 9998] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9986, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 260.388598][ T9996] NILFS (loop3): trying rollback from an earlier position
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./204/binderfs") = 0
[pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 9992] <... mount resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 9992] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9992] <... openat resumed>) = 3
[pid 5074] getdents64(3, <unfinished ...>
[pid 9992] chdir("./file0" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 9992] <... chdir resumed>) = 0
[pid 5074] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9992] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9992] <... ioctl resumed>) = 0
[pid 5074] lstat("./203/binderfs", <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./203/binderfs") = 0
[ 260.422778][ T9998] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 260.425678][ T9999] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 260.434749][ T9996] NILFS (loop3): recovery complete
[ 260.444334][ T9998] NILFS (loop0): trying rollback from an earlier position
[ 260.446263][ T9999] NILFS (loop5): trying rollback from an earlier position
[ 260.451690][T10002] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9992] close(4 <unfinished ...>
[pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9998] <... mount resumed>) = 0
[pid 9992] <... close resumed>) = 0
[pid 5072] lstat("./204/file0", <unfinished ...>
[pid 9992] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9990] <... futex resumed>) = 0
[pid 9992] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9990] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9990] <... futex resumed>) = 0
[pid 9992] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9990] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9998] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9996] <... mount resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[ 260.497462][ T9998] NILFS (loop0): recovery complete
[ 260.506770][T10004] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 260.513265][ T9999] NILFS (loop5): recovery complete
[ 260.523455][T10003] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 9996] chdir("./file0" <unfinished ...>
[pid 9998] <... openat resumed>) = 3
[pid 9996] <... chdir resumed>) = 0
[pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 9998] chdir("./file0" <unfinished ...>
[pid 9996] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9998] <... chdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 9998] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 9998] <... ioctl resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 9998] close(4 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 9998] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 9998] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9998] <... futex resumed>) = 1
[pid 9996] <... ioctl resumed>) = 0
[pid 9995] <... futex resumed>) = 0
[pid 9992] <... openat resumed>) = 4
[pid 5072] getdents64(4, <unfinished ...>
[pid 9999] <... mount resumed>) = 0
[pid 9998] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9996] close(4 <unfinished ...>
[pid 9995] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9992] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 9999] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 9998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9996] <... close resumed>) = 0
[pid 9995] <... futex resumed>) = 0
[pid 9992] <... futex resumed>) = 1
[pid 9990] <... futex resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 9999] <... openat resumed>) = 3
[pid 9998] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9996] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9995] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9992] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9990] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9999] chdir("./file0" <unfinished ...>
[pid 9998] <... openat resumed>) = 4
[pid 9996] <... futex resumed>) = 1
[pid 9992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9991] <... futex resumed>) = 0
[pid 9990] <... futex resumed>) = 0
[pid 5072] rmdir("./204/file0" <unfinished ...>
[pid 9999] <... chdir resumed>) = 0
[pid 9998] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9996] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9992] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9991] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9990] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9999] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 9998] <... futex resumed>) = 1
[pid 9996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9995] <... futex resumed>) = 0
[pid 9991] <... futex resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 9998] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9995] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9991] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 9998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9995] <... futex resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 9998] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9995] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 9999] <... ioctl resumed>) = 0
[pid 9996] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5072] rmdir("./204" <unfinished ...>
[pid 9999] close(4 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 9999] <... close resumed>) = 0
[pid 5072] mkdir("./205", 0777 <unfinished ...>
[pid 9999] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9996] <... openat resumed>) = 4
[ 260.539853][T10005] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5072] <... mkdir resumed>) = 0
[pid 9999] <... futex resumed>) = 1
[pid 9997] <... futex resumed>) = 0
[pid 9996] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 9999] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9997] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9996] <... futex resumed>) = 1
[pid 9991] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 9999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9997] <... futex resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 9991] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9996] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9999] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 9997] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9991] <... futex resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10006
[pid 9991] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10006 attached
<unfinished ...>
[pid 10006] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10006] chdir("./205") = 0
[pid 10006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 9995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9995] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9990] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9995] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10006] setpgid(0, 0 <unfinished ...>
[pid 9995] <... mprotect resumed>) = 0
[pid 9990] <... futex resumed>) = 0
[pid 10006] <... setpgid resumed>) = 0
[pid 9995] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 9995] <... clone resumed>, parent_tid=[10007], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10007
[pid 9990] <... mmap resumed>) = 0x7fe4250d7000
[pid 9995] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9990] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9995] <... futex resumed>) = 0
[pid 9995] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 9990] <... mprotect resumed>) = 0
[pid 9990] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10008], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10008
[pid 9990] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9990] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10007 attached
<unfinished ...>
[pid 9999] <... openat resumed>) = 4
[pid 10007] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10006] <... openat resumed>) = 3
[pid 9999] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10007] <... set_robust_list resumed>) = 0
[pid 9999] <... futex resumed>) = 1
[pid 9997] <... futex resumed>) = 0
[pid 10007] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9999] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9997] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 9997] <... futex resumed>) = 0
[pid 9999] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 9997] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10008 attached
<unfinished ...>
[pid 10007] <... mmap resumed>) = 0x20000000
[pid 10006] write(3, "1000", 4 <unfinished ...>
[pid 10007] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9995] <... futex resumed>) = 0
[pid 10007] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9991] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 9991] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 9991] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 9991] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10009], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10009
[pid 9991] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 9991] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10006] <... write resumed>) = 4
[pid 10008] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10006] close(3 <unfinished ...>
[pid 10008] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10006] <... close resumed>) = 0
[pid 10006] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10008] <... mmap resumed>) = 0x20000000
[pid 10006] <... symlink resumed>) = 0
./strace-static-x86_64: Process 10009 attached
[pid 10009] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10008] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10006] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10009] <... set_robust_list resumed>) = 0
[pid 10008] <... futex resumed>) = 1
[pid 10006] <... futex resumed>) = 0
[pid 9990] <... futex resumed>) = 0
[pid 10009] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10008] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10009] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 9991] <... futex resumed>) = 0
[pid 10009] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10006] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] lstat("./203/file0", <unfinished ...>
[pid 10006] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 9997] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10006] <... mprotect resumed>) = 0
[pid 9997] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10006] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9997] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 9997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10006] <... clone resumed>, parent_tid=[10010], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10010
[pid 9997] <... mmap resumed>) = 0x7fe4250d7000
[pid 10006] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9998] <... write resumed>) = 135168
[pid 9997] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 10006] <... futex resumed>) = 0
[pid 9998] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10010 attached
<unfinished ...>
[pid 10006] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 9998] <... futex resumed>) = 0
[pid 9997] <... mprotect resumed>) = 0
[pid 9995] exit_group(0 <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 10010] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10007] <... futex resumed>) = ?
[pid 9997] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 9995] <... exit_group resumed>) = ?
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10010] <... set_robust_list resumed>) = 0
[pid 10007] +++ exited with 0 +++
[pid 9998] +++ exited with 0 +++
[pid 9995] +++ exited with 0 +++
[pid 5074] getdents64(4, <unfinished ...>
[pid 9997] <... clone resumed>, parent_tid=[10011], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10011
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 9997] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10010] memfd_create("syzkaller", 0 <unfinished ...>
[pid 9997] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9995, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
./strace-static-x86_64: Process 10011 attached
[pid 10010] <... memfd_create resumed>) = 3
[pid 9997] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10011] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10010] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... close resumed>) = 0
[pid 10011] <... set_robust_list resumed>) = 0
[pid 9992] <... write resumed>) = 192512
[pid 5070] <... restart_syscall resumed>) = 0
[pid 9992] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9996] <... write resumed>) = 196608
[pid 5074] rmdir("./203/file0" <unfinished ...>
[pid 10011] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 9996] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 9992] <... futex resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 9996] <... futex resumed>) = 0
[pid 9992] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9991] exit_group(0 <unfinished ...>
[pid 9990] exit_group(0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 10009] <... futex resumed>) = ?
[pid 10008] <... futex resumed>) = ?
[pid 9992] <... futex resumed>) = ?
[pid 9991] <... exit_group resumed>) = ?
[pid 9990] <... exit_group resumed>) = ?
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10009] +++ exited with 0 +++
[pid 10008] +++ exited with 0 +++
[pid 9992] +++ exited with 0 +++
[pid 9996] +++ exited with 0 +++
[pid 9991] +++ exited with 0 +++
[pid 9990] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9990, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5074] close(3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9991, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] rmdir("./203" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] fstat(3, <unfinished ...>
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5074] mkdir("./204", 0777 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5071] lstat("./202/binderfs", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10011] <... mmap resumed>) = 0x20000000
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10011] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] unlink("./202/binderfs" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10011] <... futex resumed>) = 1
[pid 9997] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... unlink resumed>) = 0
[pid 5070] lstat("./202/binderfs", <unfinished ...>
[pid 10011] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] lstat("./205/binderfs", <unfinished ...>
[pid 5070] unlink("./202/binderfs" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10012
[pid 5073] unlink("./205/binderfs" <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10012 attached
<unfinished ...>
[pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10012] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10012] chdir("./204") = 0
[pid 10012] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10012] <... prctl resumed>) = 0
[pid 9999] <... write resumed>) = 188416
[pid 10012] setpgid(0, 0) = 0
[pid 10012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 9999] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10012] <... openat resumed>) = 3
[pid 9999] <... futex resumed>) = 0
[pid 10012] write(3, "1000", 4 <unfinished ...>
[pid 9999] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 9997] exit_group(0 <unfinished ...>
[pid 10012] <... write resumed>) = 4
[pid 10011] <... futex resumed>) = ?
[pid 9999] <... futex resumed>) = ?
[pid 9997] <... exit_group resumed>) = ?
[pid 10012] close(3 <unfinished ...>
[pid 10011] +++ exited with 0 +++
[pid 9999] +++ exited with 0 +++
[pid 9997] +++ exited with 0 +++
[pid 10012] <... close resumed>) = 0
[pid 10012] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9997, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10012] <... symlink resumed>) = 0
[pid 10012] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5075] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10012] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10012] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5075] <... openat resumed>) = 3
[pid 10012] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10012] <... clone resumed>, parent_tid=[10013], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10013
[pid 10012] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10012] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10013 attached
<unfinished ...>
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./207/binderfs", <unfinished ...>
[pid 10013] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10010] <... write resumed>) = 2097152
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] lstat("./202/file0", <unfinished ...>
[pid 10013] <... set_robust_list resumed>) = 0
[pid 5075] unlink("./207/binderfs" <unfinished ...>
[pid 10013] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10013] <... memfd_create resumed>) = 3
[pid 5075] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10013] <... mmap resumed>) = 0x7fe424ef8000
[pid 10010] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10010] <... munmap resumed>) = 0
[pid 10010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 10010] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(4) = 0
[pid 5070] lstat("./202/file0", <unfinished ...>
[pid 5071] rmdir("./202/file0" <unfinished ...>
[pid 10010] <... ioctl resumed>) = 0
[pid 10010] close(3) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10010] mkdir("./file0", 0777 <unfinished ...>
[pid 10013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3) = 0
[pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./202" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] mkdir("./203", 0777) = 0
[pid 5070] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] close(3 <unfinished ...>
[pid 10010] <... mkdir resumed>) = 0
[pid 10010] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10014
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./202/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./202") = 0
./strace-static-x86_64: Process 10014 attached
[ 260.934632][T10010] loop2: detected capacity change from 0 to 4096
[pid 5070] mkdir("./203", 0777 <unfinished ...>
[pid 10014] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10014] chdir("./203" <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10014] <... chdir resumed>) = 0
[pid 10014] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10014] <... prctl resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10014] setpgid(0, 0) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 10014] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10014] write(3, "1000", 4 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10014] <... write resumed>) = 4
[pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10014] close(3) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10015
[pid 10014] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] lstat("./205/file0", <unfinished ...>
[pid 10014] <... symlink resumed>) = 0
[pid 10014] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10015 attached
[pid 10014] <... futex resumed>) = 0
[pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10015] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10014] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10015] <... set_robust_list resumed>) = 0
[pid 10014] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10014] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10015] chdir("./203" <unfinished ...>
[pid 10014] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] lstat("./207/file0", <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 10015] <... chdir resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10015] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10014] <... clone resumed>, parent_tid=[10016], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10016
[pid 5075] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10015] <... prctl resumed>) = 0
[pid 10014] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] getdents64(4, <unfinished ...>
[pid 10015] setpgid(0, 0 <unfinished ...>
[pid 10014] <... futex resumed>) = 0
[pid 10015] <... setpgid resumed>) = 0
[pid 10014] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 10016 attached
[pid 10015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10016] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10015] <... openat resumed>) = 3
[pid 5075] <... openat resumed>) = 4
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10016] <... set_robust_list resumed>) = 0
[pid 10015] write(3, "1000", 4 <unfinished ...>
[pid 10013] <... write resumed>) = 2097152
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 10016] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10015] <... write resumed>) = 4
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... close resumed>) = 0
[pid 10016] <... memfd_create resumed>) = 3
[pid 10015] close(3 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] rmdir("./205/file0" <unfinished ...>
[pid 10016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10015] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10016] <... mmap resumed>) = 0x7fe424ef8000
[ 261.028937][T10010] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 10015] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 10015] <... symlink resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 10015] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10015] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 10015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10013] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] rmdir("./207/file0" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10015] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10013] <... munmap resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] rmdir("./205" <unfinished ...>
[pid 10015] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10013] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 10013] <... openat resumed>) = 4
[pid 10015] <... mprotect resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 10013] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10015] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] mkdir("./206", 0777 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 10015] <... clone resumed>, parent_tid=[10017], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10017
[pid 10015] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] rmdir("./207" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10015] <... futex resumed>) = 0
[pid 10015] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] mkdir("./208", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] <... openat resumed>) = 3
[pid 5073] close(3 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10013] <... ioctl resumed>) = 0
[pid 10013] close(3) = 0
[pid 10013] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10018
./strace-static-x86_64: Process 10017 attached
[pid 10013] <... mkdir resumed>) = 0
[pid 10017] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10019
[pid 10016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10017] <... set_robust_list resumed>) = 0
[pid 10013] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10017] memfd_create("syzkaller", 0./strace-static-x86_64: Process 10019 attached
./strace-static-x86_64: Process 10018 attached
) = 3
[pid 10019] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10018] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10019] <... set_robust_list resumed>) = 0
[pid 10018] <... set_robust_list resumed>) = 0
[pid 10019] chdir("./208" <unfinished ...>
[ 261.076742][T10010] NILFS (loop2): trying rollback from an earlier position
[ 261.094443][T10013] loop4: detected capacity change from 0 to 4096
[pid 10018] chdir("./206" <unfinished ...>
[pid 10019] <... chdir resumed>) = 0
[pid 10018] <... chdir resumed>) = 0
[pid 10017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10019] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10018] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10017] <... mmap resumed>) = 0x7fe424ef8000
[pid 10019] <... prctl resumed>) = 0
[pid 10018] <... prctl resumed>) = 0
[pid 10019] setpgid(0, 0 <unfinished ...>
[pid 10018] setpgid(0, 0 <unfinished ...>
[pid 10019] <... setpgid resumed>) = 0
[pid 10018] <... setpgid resumed>) = 0
[pid 10019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10019] <... openat resumed>) = 3
[pid 10018] <... openat resumed>) = 3
[pid 10019] write(3, "1000", 4 <unfinished ...>
[pid 10018] write(3, "1000", 4 <unfinished ...>
[pid 10019] <... write resumed>) = 4
[pid 10018] <... write resumed>) = 4
[pid 10019] close(3 <unfinished ...>
[pid 10018] close(3 <unfinished ...>
[pid 10019] <... close resumed>) = 0
[pid 10018] <... close resumed>) = 0
[pid 10019] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10018] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10016] <... write resumed>) = 2097152
[pid 10019] <... symlink resumed>) = 0
[pid 10018] <... symlink resumed>) = 0
[pid 10019] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10018] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10019] <... futex resumed>) = 0
[pid 10018] <... futex resumed>) = 0
[pid 10019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10019] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10018] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10019] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10018] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10019] <... mprotect resumed>) = 0
[pid 10018] <... mprotect resumed>) = 0
[pid 10019] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[ 261.149515][T10010] NILFS (loop2): recovery complete
[ 261.168241][T10013] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10018] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 10021 attached
<unfinished ...>
[pid 10021] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10019] <... clone resumed>, parent_tid=[10021], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10021
[pid 10018] <... clone resumed>, parent_tid=[10022], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10022
[pid 10021] <... set_robust_list resumed>) = 0
[pid 10019] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10018] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10016] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10021] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10019] <... futex resumed>) = 0
[pid 10018] <... futex resumed>) = 0
./strace-static-x86_64: Process 10022 attached
[pid 10021] <... memfd_create resumed>) = 3
[pid 10019] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10018] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10016] <... munmap resumed>) = 0
[pid 10010] <... mount resumed>) = 0
[pid 10022] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10016] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10022] <... set_robust_list resumed>) = 0
[pid 10021] <... mmap resumed>) = 0x7fe424ef8000
[pid 10016] <... openat resumed>) = 4
[pid 10022] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10010] <... openat resumed>) = 3
[pid 10022] <... memfd_create resumed>) = 3
[pid 10022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10010] chdir("./file0" <unfinished ...>
[pid 10016] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10010] <... chdir resumed>) = 0
[pid 10010] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10016] <... ioctl resumed>) = 0
[pid 10010] <... ioctl resumed>) = 0
[pid 10016] close(3 <unfinished ...>
[pid 10010] close(4) = 0
[pid 10010] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10016] <... close resumed>) = 0
[pid 10016] mkdir("./file0", 0777 <unfinished ...>
[pid 10010] <... futex resumed>) = 1
[pid 10006] <... futex resumed>) = 0
[pid 10010] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10006] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10016] <... mkdir resumed>) = 0
[pid 10010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10006] <... futex resumed>) = 0
[pid 10016] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10010] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 261.200346][T10013] NILFS (loop4): trying rollback from an earlier position
[ 261.212309][T10020] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 261.237326][T10016] loop1: detected capacity change from 0 to 4096
[pid 10006] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10017] <... write resumed>) = 2097152
[pid 10010] <... openat resumed>) = 4
[pid 10010] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10006] <... futex resumed>) = 0
[pid 10022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10010] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10006] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10017] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10006] <... futex resumed>) = 0
[pid 10021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10010] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10006] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10017] <... munmap resumed>) = 0
[pid 10017] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 261.267878][T10013] NILFS (loop4): recovery complete
[ 261.278810][T10016] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 10017] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10013] <... mount resumed>) = 0
[pid 10013] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10013] chdir("./file0") = 0
[pid 10013] ioctl(4, LOOP_CLR_FD) = 0
[pid 10013] close(4) = 0
[pid 10013] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10012] <... futex resumed>) = 0
[pid 10013] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10012] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10012] <... futex resumed>) = 0
[pid 10013] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10012] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10022] <... write resumed>) = 2097152
[pid 10006] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10021] <... write resumed>) = 2097152
[ 261.316533][T10016] NILFS (loop1): trying rollback from an earlier position
[ 261.316798][T10017] loop0: detected capacity change from 0 to 4096
[ 261.336913][T10023] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10017] <... ioctl resumed>) = 0
[pid 10017] close(3) = 0
[pid 10017] mkdir("./file0", 0777 <unfinished ...>
[pid 10021] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10017] <... mkdir resumed>) = 0
[pid 10021] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10017] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10013] <... openat resumed>) = 4
[ 261.378008][T10016] NILFS (loop1): recovery complete
[pid 10022] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10021] <... openat resumed>) = 4
[pid 10013] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10006] <... mmap resumed>) = 0x7fe4250d7000
[pid 10022] <... munmap resumed>) = 0
[pid 10021] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10016] <... mount resumed>) = 0
[pid 10013] <... futex resumed>) = 0
[pid 10012] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10006] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10022] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10013] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10012] <... futex resumed>) = 0
[pid 10006] <... mprotect resumed>) = 0
[pid 10022] <... openat resumed>) = 4
[pid 10021] <... ioctl resumed>) = 0
[pid 10016] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10012] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 261.414044][T10017] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 261.424314][T10024] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 261.438966][T10021] loop5: detected capacity change from 0 to 4096
[pid 10006] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10022] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10021] close(3 <unfinished ...>
[pid 10016] <... openat resumed>) = 3
./strace-static-x86_64: Process 10025 attached
[pid 10021] <... close resumed>) = 0
[pid 10016] chdir("./file0" <unfinished ...>
[pid 10006] <... clone resumed>, parent_tid=[10025], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10025
[pid 10025] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10021] mkdir("./file0", 0777 <unfinished ...>
[pid 10016] <... chdir resumed>) = 0
[pid 10006] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10025] <... set_robust_list resumed>) = 0
[pid 10021] <... mkdir resumed>) = 0
[pid 10016] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10006] <... futex resumed>) = 0
[pid 10025] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10021] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10016] <... ioctl resumed>) = 0
[pid 10006] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10022] <... ioctl resumed>) = 0
[pid 10025] <... mmap resumed>) = 0x20000000
[pid 10016] close(4 <unfinished ...>
[pid 10022] close(3 <unfinished ...>
[pid 10025] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10016] <... close resumed>) = 0
[pid 10022] <... close resumed>) = 0
[pid 10022] mkdir("./file0", 0777 <unfinished ...>
[pid 10025] <... futex resumed>) = 1
[pid 10016] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10006] <... futex resumed>) = 0
[pid 10025] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10016] <... futex resumed>) = 1
[pid 10014] <... futex resumed>) = 0
[pid 10016] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10014] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10022] <... mkdir resumed>) = 0
[pid 10016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10014] <... futex resumed>) = 0
[pid 10022] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10016] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 261.459594][T10022] loop3: detected capacity change from 0 to 4096
[pid 10014] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10012] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10012] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10012] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10016] <... openat resumed>) = 4
[pid 10012] <... clone resumed>, parent_tid=[10026], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10026
./strace-static-x86_64: Process 10026 attached
[pid 10016] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10012] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10026] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10016] <... futex resumed>) = 1
[pid 10014] <... futex resumed>) = 0
[pid 10012] <... futex resumed>) = 0
[pid 10026] <... set_robust_list resumed>) = 0
[pid 10016] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 261.497684][T10021] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 261.505749][T10021] NILFS (loop5): trying rollback from an earlier position
[pid 10014] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10012] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10026] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10014] <... futex resumed>) = 0
[pid 10014] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10026] <... mmap resumed>) = 0x20000000
[pid 10026] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10012] <... futex resumed>) = 0
[ 261.539018][T10017] NILFS (loop0): trying rollback from an earlier position
[ 261.548648][T10022] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 10026] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10014] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10014] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10014] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10027], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10027
[pid 10010] <... write resumed>) = 278528
[pid 10014] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10010] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10014] <... futex resumed>) = 0
[pid 10010] <... futex resumed>) = 0
./strace-static-x86_64: Process 10027 attached
[pid 10014] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10010] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10006] exit_group(0 <unfinished ...>
[pid 10027] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10025] <... futex resumed>) = ?
[pid 10010] <... futex resumed>) = ?
[pid 10006] <... exit_group resumed>) = ?
[pid 10027] <... set_robust_list resumed>) = 0
[pid 10025] +++ exited with 0 +++
[pid 10010] +++ exited with 0 +++
[pid 10006] +++ exited with 0 +++
[ 261.582672][T10022] NILFS (loop3): trying rollback from an earlier position
[ 261.597494][T10021] NILFS (loop5): recovery complete
[ 261.603304][T10017] NILFS (loop0): recovery complete
[pid 10027] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10013] <... write resumed>) = 204800
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10006, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 10027] <... mmap resumed>) = 0x20000000
[pid 10021] <... mount resumed>) = 0
[pid 10013] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10027] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10014] <... futex resumed>) = 0
[pid 10027] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10021] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10017] <... mount resumed>) = 0
[pid 10013] <... futex resumed>) = 0
[pid 10012] exit_group(0 <unfinished ...>
[pid 10021] <... openat resumed>) = 3
[pid 10012] <... exit_group resumed>) = ?
[pid 10026] <... futex resumed>) = ?
[pid 10026] +++ exited with 0 +++
[pid 10017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10013] +++ exited with 0 +++
[pid 10012] +++ exited with 0 +++
[pid 10021] chdir("./file0" <unfinished ...>
[pid 10017] chdir("./file0" <unfinished ...>
[pid 10021] <... chdir resumed>) = 0
[pid 10017] <... chdir resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10012, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10021] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10017] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10021] <... ioctl resumed>) = 0
[pid 10017] <... ioctl resumed>) = 0
[pid 5074] <... restart_syscall resumed>) = 0
[pid 10021] close(4 <unfinished ...>
[pid 10017] close(4 <unfinished ...>
[pid 5072] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10021] <... close resumed>) = 0
[pid 10017] <... close resumed>) = 0
[pid 10017] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10017] <... futex resumed>) = 1
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10017] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10021] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10015] <... futex resumed>) = 0
[pid 5074] lstat("./204/binderfs", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10021] <... futex resumed>) = 1
[pid 10019] <... futex resumed>) = 0
[ 261.637023][T10028] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 261.650036][T10029] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 261.660509][T10022] NILFS (loop3): recovery complete
[pid 10015] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10022] <... mount resumed>) = 0
[pid 10021] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10019] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] unlink("./204/binderfs" <unfinished ...>
[pid 10022] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10019] <... futex resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 10022] <... openat resumed>) = 3
[pid 10019] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10022] chdir("./file0") = 0
[pid 10022] ioctl(4, LOOP_CLR_FD) = 0
[pid 10022] close(4) = 0
[pid 10022] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10018] <... futex resumed>) = 0
[pid 10022] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10018] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10018] <... futex resumed>) = 0
[pid 10022] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10018] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10017] <... futex resumed>) = 0
[pid 10015] <... futex resumed>) = 1
[pid 5072] <... openat resumed>) = 3
[pid 10021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10017] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10021] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10015] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 10017] <... openat resumed>) = 4
[pid 10021] <... openat resumed>) = 4
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10021] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10017] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10021] <... futex resumed>) = 1
[pid 10019] <... futex resumed>) = 0
[pid 10017] <... futex resumed>) = 1
[pid 10015] <... futex resumed>) = 0
[pid 10019] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10017] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10015] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10021] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10019] <... futex resumed>) = 0
[pid 10017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10015] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10019] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10017] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10015] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10022] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10022] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] lstat("./205/binderfs", <unfinished ...>
[pid 10022] <... futex resumed>) = 1
[pid 10018] <... futex resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10022] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10018] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] unlink("./205/binderfs" <unfinished ...>
[pid 10022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 261.695810][T10030] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10018] <... futex resumed>) = 0
[pid 10022] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10018] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10019] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10019] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10019] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10031], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10031
[pid 10019] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10031 attached
) = 0
[pid 10018] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10031] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10019] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10018] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10015] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10031] <... set_robust_list resumed>) = 0
[pid 10018] <... futex resumed>) = 0
[pid 10015] <... futex resumed>) = 0
[pid 10031] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10018] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10031] <... mmap resumed>) = 0x20000000
[pid 10018] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10031] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10015] <... mmap resumed>) = 0x7fe4250d7000
[pid 10018] <... clone resumed>, parent_tid=[10032], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10032
[pid 10018] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10018] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10031] <... futex resumed>) = 1
[pid 10019] <... futex resumed>) = 0
[pid 10015] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10031] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10015] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 10032 attached
[pid 10015] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10032] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10016] <... write resumed>) = 270336
[pid 10016] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10015] <... clone resumed>, parent_tid=[10033], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10033
[pid 10014] exit_group(0 <unfinished ...>
[pid 10027] <... futex resumed>) = ?
[pid 10016] <... futex resumed>) = ?
[pid 10015] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10014] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 10033 attached
[pid 10032] <... set_robust_list resumed>) = 0
[pid 10027] +++ exited with 0 +++
[pid 10016] +++ exited with 0 +++
[pid 10015] <... futex resumed>) = 0
[pid 10014] +++ exited with 0 +++
[pid 10033] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10032] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10015] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10033] <... set_robust_list resumed>) = 0
[pid 10032] <... mmap resumed>) = 0x20000000
[pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10014, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] lstat("./204/file0", <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10033] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10032] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10032] <... futex resumed>) = 1
[pid 10018] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10033] <... mmap resumed>) = 0x20000000
[pid 10032] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10033] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10033] <... futex resumed>) = 1
[pid 10015] <... futex resumed>) = 0
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10033] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... openat resumed>) = 3
[pid 10022] <... write resumed>) = 110592
[pid 5074] getdents64(4, <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10022] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10022] <... futex resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10022] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10018] exit_group(0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10032] <... futex resumed>) = ?
[pid 10022] <... futex resumed>) = ?
[pid 10018] <... exit_group resumed>) = ?
[pid 5074] rmdir("./204/file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10032] +++ exited with 0 +++
[pid 10022] +++ exited with 0 +++
[pid 5074] <... rmdir resumed>) = 0
[pid 10018] +++ exited with 0 +++
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10018, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(3) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] rmdir("./204" <unfinished ...>
[pid 5073] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] lstat("./203/binderfs", <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] mkdir("./205", 0777 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] unlink("./203/binderfs" <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] lstat("./205/file0", <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10017] <... write resumed>) = 167936
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10017] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10015] exit_group(0 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10033] <... futex resumed>) = ?
[pid 10017] <... futex resumed>) = ?
[pid 10015] <... exit_group resumed>) = ?
[pid 5074] <... close resumed>) = 0
[pid 10017] +++ exited with 0 +++
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10034
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10033] +++ exited with 0 +++
[pid 5072] <... openat resumed>) = 4
[pid 10015] +++ exited with 0 +++
[pid 10021] <... write resumed>) = 262144
[pid 5073] lstat("./206/binderfs", <unfinished ...>
[pid 10021] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 10021] <... futex resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10015, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 10021] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10034 attached
<unfinished ...>
[pid 10034] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10034] chdir("./205") = 0
[pid 10019] exit_group(0 <unfinished ...>
[pid 5073] unlink("./206/binderfs" <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10031] <... futex resumed>) = ?
[pid 10021] <... futex resumed>) = ?
[pid 10019] <... exit_group resumed>) = ?
[pid 10031] +++ exited with 0 +++
[pid 10021] +++ exited with 0 +++
[pid 5073] <... unlink resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... restart_syscall resumed>) = 0
[pid 10034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10019] +++ exited with 0 +++
[pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10019, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5070] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./205/file0" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10034] setpgid(0, 0 <unfinished ...>
[pid 5075] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10034] <... setpgid resumed>) = 0
[pid 10034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10034] <... openat resumed>) = 3
[pid 5075] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10034] write(3, "1000", 4) = 4
[pid 10034] close(3) = 0
[pid 10034] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10034] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5075] <... openat resumed>) = 3
[pid 10034] <... futex resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 10034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] close(3 <unfinished ...>
[pid 10034] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] rmdir("./205" <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 10034] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10034] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10034] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10035], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10035
[pid 10034] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5075] lstat("./208/binderfs", <unfinished ...>
[pid 5072] mkdir("./206", 0777 <unfinished ...>
[pid 5070] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10034] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] unlink("./208/binderfs" <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 10035 attached
[pid 10035] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10035] memfd_create("syzkaller", 0) = 3
[pid 10035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5075] <... unlink resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] lstat("./203/binderfs", <unfinished ...>
[pid 5075] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] unlink("./203/binderfs" <unfinished ...>
[pid 5072] close(3) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10036
./strace-static-x86_64: Process 10036 attached
[pid 10036] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 10036] <... set_robust_list resumed>) = 0
[pid 10036] chdir("./206" <unfinished ...>
[pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10036] <... chdir resumed>) = 0
[pid 10036] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10036] <... prctl resumed>) = 0
[pid 5073] lstat("./206/file0", <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10036] setpgid(0, 0 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10036] <... setpgid resumed>) = 0
[pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10036] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./203/file0", <unfinished ...>
[pid 10036] write(3, "1000", 4 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10036] <... write resumed>) = 4
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10036] close(3 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10036] <... close resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10036] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10036] <... symlink resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10036] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... openat resumed>) = 4
[pid 10036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 10036] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10036] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10036] <... mprotect resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10036] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] rmdir("./206/file0" <unfinished ...>
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 10036] <... clone resumed>, parent_tid=[10037], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10037
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 10036] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10036] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10036] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] rmdir("./203/file0" <unfinished ...>
[pid 5073] rmdir("./206" <unfinished ...>
[pid 10035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10037 attached
[pid 5073] mkdir("./207", 0777 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10037] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10037] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10037] <... memfd_create resumed>) = 3
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 10037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] rmdir("./203" <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10037] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] mkdir("./204", 0777 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10038
./strace-static-x86_64: Process 10038 attached
[pid 5075] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10038] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] lstat("./208/file0", <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10038] <... set_robust_list resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 10038] chdir("./207" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10038] <... chdir resumed>) = 0
[pid 5075] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10038] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10038] <... prctl resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10038] setpgid(0, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10039
[pid 5070] lstat("./203/file0", ./strace-static-x86_64: Process 10039 attached
<unfinished ...>
[pid 10038] <... setpgid resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10039] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10039] <... set_robust_list resumed>) = 0
[pid 10038] <... openat resumed>) = 3
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10039] chdir("./204" <unfinished ...>
[pid 10038] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10039] <... chdir resumed>) = 0
[pid 10038] <... write resumed>) = 4
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10039] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10038] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 10039] <... prctl resumed>) = 0
[pid 10038] <... close resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10039] setpgid(0, 0 <unfinished ...>
[pid 10038] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 10039] <... setpgid resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10038] <... symlink resumed>) = 0
[pid 5075] rmdir("./208/file0" <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10039] <... openat resumed>) = 3
[pid 10038] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10039] write(3, "1000", 4 <unfinished ...>
[pid 10038] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 10039] <... write resumed>) = 4
[pid 10038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10039] close(3 <unfinished ...>
[pid 10038] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] rmdir("./203/file0" <unfinished ...>
[pid 10039] <... close resumed>) = 0
[pid 10038] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10039] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10038] <... mprotect resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10039] <... symlink resumed>) = 0
[pid 5075] rmdir("./208" <unfinished ...>
[pid 10038] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10039] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10039] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10038] <... clone resumed>, parent_tid=[10040], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10040
[pid 5075] mkdir("./209", 0777 <unfinished ...>
[pid 5070] rmdir("./203" <unfinished ...>
[pid 10039] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10038] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10035] <... write resumed>) = 2097152
[pid 10039] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10038] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5070] mkdir("./204", 0777./strace-static-x86_64: Process 10040 attached
<unfinished ...>
[pid 10039] <... mprotect resumed>) = 0
[pid 10038] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10037] <... write resumed>) = 2097152
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... mkdir resumed>) = 0
[pid 10040] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10039] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10037] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10040] <... set_robust_list resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... openat resumed>) = 3
[pid 10039] <... clone resumed>, parent_tid=[10041], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10041
[pid 10037] <... munmap resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 10040] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10040] <... memfd_create resumed>) = 3
[pid 10039] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10037] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10035] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 10041 attached
[pid 10040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10039] <... futex resumed>) = 0
[pid 10037] <... openat resumed>) = 4
[pid 10035] <... munmap resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10041] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10040] <... mmap resumed>) = 0x7fe424ef8000
[pid 10039] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10037] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10035] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10035] <... openat resumed>) = 4
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10035] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10041] <... set_robust_list resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10043
[pid 10041] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10042
./strace-static-x86_64: Process 10042 attached
[pid 10041] <... memfd_create resumed>) = 3
[pid 10042] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10042] <... set_robust_list resumed>) = 0
[pid 10041] <... mmap resumed>) = 0x7fe424ef8000
[pid 10037] <... ioctl resumed>) = 0
[pid 10042] chdir("./209") = 0
[pid 10042] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10035] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 10043 attached
[pid 10042] <... prctl resumed>) = 0
[pid 10035] close(3 <unfinished ...>
[pid 10043] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10042] setpgid(0, 0 <unfinished ...>
[pid 10035] <... close resumed>) = 0
[pid 10043] <... set_robust_list resumed>) = 0
[pid 10042] <... setpgid resumed>) = 0
[pid 10037] close(3 <unfinished ...>
[pid 10035] mkdir("./file0", 0777 <unfinished ...>
[pid 10043] chdir("./204" <unfinished ...>
[pid 10042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10037] <... close resumed>) = 0
[pid 10035] <... mkdir resumed>) = 0
[pid 10043] <... chdir resumed>) = 0
[pid 10042] <... openat resumed>) = 3
[pid 10037] mkdir("./file0", 0777 <unfinished ...>
[pid 10035] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10043] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10042] write(3, "1000", 4 <unfinished ...>
[pid 10037] <... mkdir resumed>) = 0
[pid 10043] <... prctl resumed>) = 0
[pid 10042] <... write resumed>) = 4
[pid 10037] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10043] setpgid(0, 0 <unfinished ...>
[pid 10042] close(3 <unfinished ...>
[pid 10043] <... setpgid resumed>) = 0
[pid 10042] <... close resumed>) = 0
[pid 10043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10042] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10043] <... openat resumed>) = 3
[ 262.211862][T10037] loop2: detected capacity change from 0 to 4096
[ 262.214371][T10035] loop4: detected capacity change from 0 to 4096
[pid 10042] <... symlink resumed>) = 0
[pid 10043] write(3, "1000", 4 <unfinished ...>
[pid 10042] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10043] <... write resumed>) = 4
[pid 10042] <... futex resumed>) = 0
[pid 10043] close(3 <unfinished ...>
[pid 10042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10043] <... close resumed>) = 0
[pid 10042] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10043] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10042] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10043] <... symlink resumed>) = 0
[pid 10042] <... mprotect resumed>) = 0
[pid 10043] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10042] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10043] <... futex resumed>) = 0
[pid 10043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10042] <... clone resumed>, parent_tid=[10044], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10044
[pid 10043] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10042] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10043] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10042] <... futex resumed>) = 0
[pid 10043] <... mprotect resumed>) = 0
[pid 10042] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10044 attached
<unfinished ...>
[pid 10043] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10044] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10043] <... clone resumed>, parent_tid=[10045], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10045
[pid 10044] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10044] <... memfd_create resumed>) = 3
[pid 10043] <... futex resumed>) = 0
[ 262.263347][T10037] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 262.276969][T10037] NILFS (loop2): trying rollback from an earlier position
[ 262.287515][T10035] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 262.295586][T10035] NILFS (loop4): trying rollback from an earlier position
[pid 10044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10044] <... mmap resumed>) = 0x7fe424ef8000
./strace-static-x86_64: Process 10045 attached
[pid 10045] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10045] memfd_create("syzkaller", 0) = 3
[pid 10045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 262.309163][T10037] NILFS (loop2): recovery complete
[pid 10037] <... mount resumed>) = 0
[pid 10037] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10041] <... write resumed>) = 2097152
[pid 10041] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10037] <... openat resumed>) = 3
[pid 10041] <... munmap resumed>) = 0
[pid 10037] chdir("./file0" <unfinished ...>
[pid 10041] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10040] <... write resumed>) = 2097152
[pid 10037] <... chdir resumed>) = 0
[pid 10041] <... openat resumed>) = 4
[pid 10040] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10037] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10041] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10040] <... munmap resumed>) = 0
[pid 10037] <... ioctl resumed>) = 0
[pid 10037] close(4 <unfinished ...>
[pid 10045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10041] <... ioctl resumed>) = 0
[pid 10040] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10037] <... close resumed>) = 0
[pid 10041] close(3 <unfinished ...>
[pid 10040] <... openat resumed>) = 4
[pid 10037] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10041] <... close resumed>) = 0
[ 262.335523][T10046] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 262.358360][T10041] loop1: detected capacity change from 0 to 4096
[ 262.367216][T10035] NILFS (loop4): recovery complete
[pid 10040] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10041] mkdir("./file0", 0777 <unfinished ...>
[pid 10037] <... futex resumed>) = 1
[pid 10036] <... futex resumed>) = 0
[pid 10035] <... mount resumed>) = 0
[pid 10041] <... mkdir resumed>) = 0
[pid 10036] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10041] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10037] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10036] <... futex resumed>) = 0
[pid 10035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10040] <... ioctl resumed>) = 0
[pid 10036] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10040] close(3) = 0
[pid 10040] mkdir("./file0", 0777) = 0
[pid 10040] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10035] <... openat resumed>) = 3
[pid 10035] chdir("./file0") = 0
[ 262.387971][T10040] loop3: detected capacity change from 0 to 4096
[ 262.394456][T10047] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 262.416401][T10041] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 262.427118][T10040] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 10035] ioctl(4, LOOP_CLR_FD) = 0
[pid 10037] <... openat resumed>) = 4
[pid 10037] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10035] close(4) = 0
[pid 10044] <... write resumed>) = 2097152
[pid 10035] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10037] <... futex resumed>) = 1
[pid 10036] <... futex resumed>) = 0
[pid 10037] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10036] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10035] <... futex resumed>) = 1
[pid 10034] <... futex resumed>) = 0
[pid 10045] <... write resumed>) = 2097152
[pid 10036] <... futex resumed>) = 0
[pid 10035] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10034] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10036] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10034] <... futex resumed>) = 0
[pid 10034] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10044] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10035] <... openat resumed>) = 4
[pid 10035] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10034] <... futex resumed>) = 0
[pid 10035] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10044] <... munmap resumed>) = 0
[pid 10035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10034] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10044] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10035] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10034] <... futex resumed>) = 0
[pid 10044] <... openat resumed>) = 4
[pid 10044] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10034] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10045] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 262.427927][T10041] NILFS (loop1): trying rollback from an earlier position
[ 262.435544][T10040] NILFS (loop3): trying rollback from an earlier position
[ 262.472848][T10044] loop5: detected capacity change from 0 to 4096
[pid 10045] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 10044] <... ioctl resumed>) = 0
[pid 10044] close(3) = 0
[pid 10044] mkdir("./file0", 0777) = 0
[pid 10044] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10045] close(3) = 0
[pid 10045] mkdir("./file0", 0777 <unfinished ...>
[pid 10036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10036] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10045] <... mkdir resumed>) = 0
[pid 10036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10045] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10036] <... mmap resumed>) = 0x7fe4250d7000
[pid 10036] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10036] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10034] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 262.488071][T10045] loop0: detected capacity change from 0 to 4096
[ 262.510469][T10041] NILFS (loop1): recovery complete
[ 262.521490][T10044] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10036] <... clone resumed>, parent_tid=[10048], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10048
[pid 10034] <... futex resumed>) = 0
[pid 10036] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10036] <... futex resumed>) = 0
[pid 10036] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10034] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 10048 attached
[pid 10034] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10048] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10034] <... mprotect resumed>) = 0
[pid 10048] <... set_robust_list resumed>) = 0
[pid 10034] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10048] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0./strace-static-x86_64: Process 10049 attached
) = 0x20000000
[pid 10049] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10048] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10034] <... clone resumed>, parent_tid=[10049], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10049
[pid 10049] <... set_robust_list resumed>) = 0
[pid 10048] <... futex resumed>) = 1
[pid 10036] <... futex resumed>) = 0
[pid 10034] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10049] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10034] <... futex resumed>) = 0
[pid 10048] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10049] <... mmap resumed>) = 0x20000000
[pid 10041] <... mount resumed>) = 0
[pid 10034] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10049] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10041] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10049] <... futex resumed>) = 0
[pid 10041] <... openat resumed>) = 3
[pid 10049] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10041] chdir("./file0" <unfinished ...>
[pid 10037] <... write resumed>) = 126976
[pid 10041] <... chdir resumed>) = 0
[ 262.536538][T10040] NILFS (loop3): recovery complete
[ 262.545360][T10045] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 262.567835][T10050] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10037] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10036] exit_group(0 <unfinished ...>
[pid 10048] <... futex resumed>) = ?
[pid 10041] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10037] <... futex resumed>) = ?
[pid 10036] <... exit_group resumed>) = ?
[pid 10048] +++ exited with 0 +++
[pid 10041] <... ioctl resumed>) = 0
[pid 10041] close(4 <unfinished ...>
[pid 10037] +++ exited with 0 +++
[pid 10036] +++ exited with 0 +++
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10036, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 5072] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./206/binderfs") = 0
[pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10041] <... close resumed>) = 0
[pid 10041] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10039] <... futex resumed>) = 0
[pid 10039] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10039] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10041] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10040] <... mount resumed>) = 0
[pid 10040] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10040] chdir("./file0") = 0
[pid 10040] ioctl(4, LOOP_CLR_FD) = 0
[ 262.582041][T10044] NILFS (loop5): trying rollback from an earlier position
[ 262.592628][T10045] NILFS (loop0): trying rollback from an earlier position
[ 262.594426][T10051] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10040] close(4 <unfinished ...>
[pid 10035] <... write resumed>) = 176128
[pid 10041] <... openat resumed>) = 4
[pid 10040] <... close resumed>) = 0
[pid 10035] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10041] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10040] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10035] <... futex resumed>) = 0
[pid 10034] exit_group(0 <unfinished ...>
[pid 10041] <... futex resumed>) = 1
[pid 10049] <... futex resumed>) = ?
[pid 10040] <... futex resumed>) = 1
[pid 10039] <... futex resumed>) = 0
[pid 10038] <... futex resumed>) = 0
[pid 10034] <... exit_group resumed>) = ?
[pid 10049] +++ exited with 0 +++
[pid 10041] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10040] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10039] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10038] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10035] +++ exited with 0 +++
[pid 10040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10039] <... futex resumed>) = 0
[pid 10038] <... futex resumed>) = 0
[pid 10040] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10039] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10038] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10034] +++ exited with 0 +++
[pid 10041] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10034, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5074] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[ 262.630774][T10044] NILFS (loop5): recovery complete
[pid 5074] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./205/binderfs") = 0
[pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10044] <... mount resumed>) = 0
[pid 10044] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10044] chdir("./file0") = 0
[pid 10044] ioctl(4, LOOP_CLR_FD) = 0
[pid 10044] close(4) = 0
[pid 10044] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10044] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10040] <... openat resumed>) = 4
[pid 10040] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10038] <... futex resumed>) = 0
[pid 10040] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10038] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10038] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10042] <... futex resumed>) = 0
[pid 10042] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10044] <... futex resumed>) = 0
[pid 10042] <... futex resumed>) = 1
[pid 10044] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10042] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10045] <... mount resumed>) = 0
[pid 10039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10045] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10039] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10045] <... openat resumed>) = 3
[pid 10039] <... futex resumed>) = 0
[pid 10045] chdir("./file0" <unfinished ...>
[pid 10039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10045] <... chdir resumed>) = 0
[pid 10039] <... mmap resumed>) = 0x7fe4250d7000
[pid 10045] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10039] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10045] <... ioctl resumed>) = 0
[pid 10039] <... mprotect resumed>) = 0
[pid 10045] close(4 <unfinished ...>
[pid 10039] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10045] <... close resumed>) = 0
[pid 10045] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10039] <... clone resumed>, parent_tid=[10054], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10054
[pid 10045] <... futex resumed>) = 1
[pid 10043] <... futex resumed>) = 0
[pid 10039] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10045] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10043] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10039] <... futex resumed>) = 0
[pid 10045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10043] <... futex resumed>) = 0
[pid 10039] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10045] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10054 attached
<unfinished ...>
[pid 10054] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10054] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10054] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10039] <... futex resumed>) = 0
[pid 10054] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10041] <... write resumed>) = 81920
[pid 10041] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10041] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10039] exit_group(0 <unfinished ...>
[pid 10054] <... futex resumed>) = ?
[pid 10039] <... exit_group resumed>) = ?
[pid 10054] +++ exited with 0 +++
[pid 10041] <... futex resumed>) = ?
[pid 10038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10041] +++ exited with 0 +++
[pid 10039] +++ exited with 0 +++
[pid 10038] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 10038] <... futex resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10039, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[ 262.654034][T10045] NILFS (loop0): recovery complete
[ 262.662897][T10052] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 262.691132][T10053] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10038] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10042] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10038] <... mprotect resumed>) = 0
[pid 10038] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10042] <... futex resumed>) = 0
[pid 10042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10038] <... clone resumed>, parent_tid=[10055], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10055
[pid 10044] <... openat resumed>) = 4
[pid 10042] <... mmap resumed>) = 0x7fe4250d7000
[pid 10038] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10044] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10038] <... futex resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10044] <... futex resumed>) = 0
[pid 10038] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10044] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 10042] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] fstat(3, ./strace-static-x86_64: Process 10055 attached
<unfinished ...>
[pid 10042] <... mprotect resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10055] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10055] <... set_robust_list resumed>) = 0
[pid 10042] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10055] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10055] <... mmap resumed>) = 0x20000000
[pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10055] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10042] <... clone resumed>, parent_tid=[10056], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10056
[pid 5071] lstat("./204/binderfs", <unfinished ...>
[pid 10055] <... futex resumed>) = 1
[pid 10042] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10038] <... futex resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10055] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10042] <... futex resumed>) = 0
[pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] unlink("./204/binderfs" <unfinished ...>
[pid 10042] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... unlink resumed>) = 0
[pid 5074] lstat("./205/file0", <unfinished ...>
[pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10043] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10040] <... write resumed>) = 131072
[pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10043] <... futex resumed>) = 0
[pid 10040] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./206/file0", <unfinished ...>
[pid 10043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10040] <... futex resumed>) = 0
[pid 10038] exit_group(0 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10055] <... futex resumed>) = ?
[pid 10043] <... mmap resumed>) = 0x7fe4250d7000
[pid 10038] <... exit_group resumed>) = ?
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10055] +++ exited with 0 +++
[pid 10045] <... openat resumed>) = 4
[pid 10043] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10040] +++ exited with 0 +++
[pid 10038] +++ exited with 0 +++
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10056 attached
<unfinished ...>
[pid 10045] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10043] <... mprotect resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10038, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10056] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10045] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10056] <... set_robust_list resumed>) = 0
[pid 10045] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10043] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10056] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10057 attached
<unfinished ...>
[pid 10043] <... clone resumed>, parent_tid=[10057], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10057
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... openat resumed>) = 4
[pid 10057] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10057] <... set_robust_list resumed>) = 0
[pid 10043] <... futex resumed>) = 0
[pid 5074] rmdir("./205/file0" <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 10057] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] rmdir("./205" <unfinished ...>
[pid 5073] lstat("./207/binderfs", <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] mkdir("./206", 0777 <unfinished ...>
[pid 5073] unlink("./207/binderfs" <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... close resumed>) = 0
[pid 10042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 10042] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] rmdir("./206/file0" <unfinished ...>
[pid 10044] <... futex resumed>) = 0
[pid 10042] <... futex resumed>) = 1
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10044] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10042] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 10044] <... mmap resumed>) = 0x20000000
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10058
[pid 5072] getdents64(3, <unfinished ...>
[pid 10044] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10042] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10044] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] close(3) = 0
./strace-static-x86_64: Process 10058 attached
[pid 10058] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10058] chdir("./206") = 0
[pid 10058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10058] setpgid(0, 0) = 0
[pid 10058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5072] rmdir("./206" <unfinished ...>
[pid 10058] <... openat resumed>) = 3
[pid 10058] write(3, "1000", 4) = 4
[pid 5072] <... rmdir resumed>) = 0
[pid 10058] close(3) = 0
[pid 5072] mkdir("./207", 0777 <unfinished ...>
[pid 10058] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 10058] <... symlink resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10058] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10058] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] close(3 <unfinished ...>
[pid 10058] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10058] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10058] <... mprotect resumed>) = 0
[pid 5071] lstat("./204/file0", <unfinished ...>
[pid 10058] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10058] <... clone resumed>, parent_tid=[10059], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10059
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10060
[pid 10058] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10056] <... write resumed>) = 81920
[pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10058] <... futex resumed>) = 0
[pid 10056] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10042] exit_group(0 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10058] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10056] <... futex resumed>) = ?
[pid 10044] <... futex resumed>) = ?
[pid 10042] <... exit_group resumed>) = ?
[pid 5071] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10056] +++ exited with 0 +++
[pid 10044] +++ exited with 0 +++
[pid 5071] <... openat resumed>) = 4
./strace-static-x86_64: Process 10059 attached
[pid 5071] fstat(4, <unfinished ...>
[pid 10059] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10059] <... set_robust_list resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 10059] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10042] +++ exited with 0 +++
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10059] <... memfd_create resumed>) = 3
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10042, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] getdents64(4, <unfinished ...>
[pid 10059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10059] <... mmap resumed>) = 0x7fe424ef8000
[pid 5071] close(4./strace-static-x86_64: Process 10060 attached
<unfinished ...>
[pid 10043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10043] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] rmdir("./204/file0" <unfinished ...>
[pid 10060] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10045] <... futex resumed>) = 0
[pid 10043] <... futex resumed>) = 1
[pid 5075] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 10060] <... set_robust_list resumed>) = 0
[pid 10045] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10043] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5071] getdents64(3, <unfinished ...>
[pid 10060] chdir("./207" <unfinished ...>
[pid 10045] <... mmap resumed>) = 0x20000000
[pid 5075] fstat(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10045] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 10060] <... chdir resumed>) = 0
[pid 10045] <... futex resumed>) = 0
[pid 10043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10060] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10045] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] rmdir("./204" <unfinished ...>
[pid 10060] <... prctl resumed>) = 0
[pid 5075] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 10060] setpgid(0, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] mkdir("./205", 0777 <unfinished ...>
[pid 10060] <... setpgid resumed>) = 0
[pid 5075] lstat("./209/binderfs", <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 10060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10060] <... openat resumed>) = 3
[pid 5075] unlink("./209/binderfs" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 10060] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10060] <... write resumed>) = 4
[pid 5075] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10060] close(3 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10060] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10060] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10061
./strace-static-x86_64: Process 10061 attached
[pid 10061] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10061] chdir("./205") = 0
[pid 10061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10061] setpgid(0, 0) = 0
[pid 10060] <... symlink resumed>) = 0
[pid 10061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10060] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10060] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10060] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] lstat("./207/file0", <unfinished ...>
[pid 10061] <... openat resumed>) = 3
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10061] write(3, "1000", 4 <unfinished ...>
[pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10061] <... write resumed>) = 4
[pid 10060] <... mprotect resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10061] close(3) = 0
[pid 5073] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10061] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10060] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 10061] <... symlink resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10061] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10060] <... clone resumed>, parent_tid=[10062], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10062
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10061] <... futex resumed>) = 0
[pid 10060] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10060] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10061] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10060] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10061] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10061] <... mprotect resumed>) = 0
[pid 5073] close(4 <unfinished ...>
[pid 10061] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./207/file0" <unfinished ...>
[pid 10061] <... clone resumed>, parent_tid=[10063], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10063
[pid 5073] <... rmdir resumed>) = 0
[pid 10061] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 10061] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10061] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10057] <... write resumed>) = 122880
[pid 5073] <... close resumed>) = 0
[pid 10057] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10043] exit_group(0 <unfinished ...>
[pid 5073] rmdir("./207" <unfinished ...>
[pid 10057] <... futex resumed>) = ?
[pid 10045] <... futex resumed>) = ?
[pid 10043] <... exit_group resumed>) = ?
[pid 5073] <... rmdir resumed>) = 0
[pid 10057] +++ exited with 0 +++
[pid 10045] +++ exited with 0 +++
[pid 5073] mkdir("./208", 0777./strace-static-x86_64: Process 10063 attached
<unfinished ...>
[pid 10043] +++ exited with 0 +++
[pid 5073] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 10062 attached
[pid 10063] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10063] <... set_robust_list resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10063] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10062] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10043, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 10063] <... memfd_create resumed>) = 3
[pid 10062] <... set_robust_list resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10063] <... mmap resumed>) = 0x7fe424ef8000
[pid 10062] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 10062] <... memfd_create resumed>) = 3
[pid 5075] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10064
[pid 10062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5070] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./209/file0", <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10059] <... write resumed>) = 2097152
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
./strace-static-x86_64: Process 10064 attached
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10064] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10064] <... set_robust_list resumed>) = 0
[pid 10059] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 10064] chdir("./208" <unfinished ...>
[pid 10059] <... munmap resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10064] <... chdir resumed>) = 0
[pid 10059] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10064] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10059] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10064] <... prctl resumed>) = 0
[pid 10059] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10064] setpgid(0, 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10064] <... setpgid resumed>) = 0
[pid 10064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5075] close(4 <unfinished ...>
[pid 5070] lstat("./204/binderfs", <unfinished ...>
[pid 10064] write(3, "1000", 4) = 4
[pid 10064] close(3) = 0
[pid 10063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10064] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] rmdir("./209/file0" <unfinished ...>
[pid 5070] unlink("./204/binderfs" <unfinished ...>
[pid 10064] <... symlink resumed>) = 0
[pid 10062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 10064] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5070] <... unlink resumed>) = 0
[pid 10064] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10064] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10065], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10065
[pid 10064] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10064] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10059] <... ioctl resumed>) = 0
[pid 10059] close(3) = 0
[pid 10059] mkdir("./file0", 0777./strace-static-x86_64: Process 10065 attached
<unfinished ...>
[pid 10065] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10065] memfd_create("syzkaller", 0) = 3
[pid 10065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10059] <... mkdir resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 10059] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./209" <unfinished ...>
[pid 10065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] mkdir("./210", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[ 262.963642][T10059] loop4: detected capacity change from 0 to 4096
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10066
./strace-static-x86_64: Process 10066 attached
[pid 10066] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10066] chdir("./210") = 0
[pid 10066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10066] setpgid(0, 0) = 0
[pid 10066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10063] <... write resumed>) = 2097152
[pid 10066] write(3, "1000", 4) = 4
[pid 10066] close(3) = 0
[pid 10066] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10066] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10066] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10063] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10066] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10063] <... munmap resumed>) = 0
[pid 10066] <... clone resumed>, parent_tid=[10067], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10067
[pid 10063] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10066] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10063] <... openat resumed>) = 4
[pid 10066] <... futex resumed>) = 0
[ 263.021588][T10059] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 263.058066][T10059] NILFS (loop4): trying rollback from an earlier position
[pid 10063] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10066] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10067 attached
<unfinished ...>
[pid 10067] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10067] memfd_create("syzkaller", 0) = 3
[pid 10067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10062] <... write resumed>) = 2097152
[pid 10067] <... mmap resumed>) = 0x7fe424ef8000
[pid 10062] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10062] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10063] <... ioctl resumed>) = 0
[pid 10063] close(3) = 0
[ 263.066016][T10063] loop1: detected capacity change from 0 to 4096
[pid 10063] mkdir("./file0", 0777) = 0
[pid 10063] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10062] <... openat resumed>) = 4
[pid 10062] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./204/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10062] <... ioctl resumed>) = 0
[pid 10062] close(3 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10065] <... write resumed>) = 2097152
[pid 10062] <... close resumed>) = 0
[pid 10065] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10065] <... munmap resumed>) = 0
[pid 10062] mkdir("./file0", 0777 <unfinished ...>
[pid 10065] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10062] <... mkdir resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 10065] <... openat resumed>) = 4
[ 263.127762][T10062] loop2: detected capacity change from 0 to 4096
[ 263.151630][T10059] NILFS (loop4): recovery complete
[ 263.162269][T10063] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 10065] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10062] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10065] <... ioctl resumed>) = 0
[pid 10065] close(3) = 0
[pid 10065] mkdir("./file0", 0777 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10065] <... mkdir resumed>) = 0
[pid 10065] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4 <unfinished ...>
[pid 10059] <... mount resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10059] chdir("./file0") = 0
[pid 10059] ioctl(4, LOOP_CLR_FD) = 0
[pid 10059] close(4) = 0
[pid 10059] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10058] <... futex resumed>) = 0
[pid 10059] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10058] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10058] <... futex resumed>) = 0
[pid 10059] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 263.196697][T10065] loop3: detected capacity change from 0 to 4096
[ 263.213932][T10062] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 263.218415][T10063] NILFS (loop1): trying rollback from an earlier position
[ 263.223118][T10069] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10058] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] rmdir("./204/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./204" <unfinished ...>
[pid 10067] <... write resumed>) = 2097152
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] mkdir("./205", 0777 <unfinished ...>
[pid 10067] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 10067] <... munmap resumed>) = 0
[pid 10067] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10067] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 10058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10058] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10058] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[ 263.242741][T10065] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 263.261718][T10062] NILFS (loop2): trying rollback from an earlier position
[ 263.278663][T10067] loop5: detected capacity change from 0 to 4096
[ 263.289600][T10065] NILFS (loop3): trying rollback from an earlier position
[pid 10058] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10059] <... openat resumed>) = 4
[pid 5070] close(3 <unfinished ...>
[pid 10059] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10058] <... clone resumed>, parent_tid=[10070], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10070
[pid 10059] <... futex resumed>) = 0
[pid 10058] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10059] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10058] <... futex resumed>) = 0
[pid 10058] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10070 attached
<unfinished ...>
[pid 10070] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 5070] <... close resumed>) = 0
[pid 10070] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10071
./strace-static-x86_64: Process 10071 attached
[pid 10071] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10062] <... mount resumed>) = 0
[pid 10067] <... ioctl resumed>) = 0
[pid 10067] close(3) = 0
[pid 10067] mkdir("./file0", 0777 <unfinished ...>
[pid 10071] <... set_robust_list resumed>) = 0
[pid 10062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10067] <... mkdir resumed>) = 0
[pid 10071] chdir("./205" <unfinished ...>
[pid 10062] <... openat resumed>) = 3
[pid 10067] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10071] <... chdir resumed>) = 0
[pid 10062] chdir("./file0" <unfinished ...>
[pid 10071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10062] <... chdir resumed>) = 0
[pid 10071] setpgid(0, 0 <unfinished ...>
[pid 10062] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10071] <... setpgid resumed>) = 0
[pid 10062] <... ioctl resumed>) = 0
[pid 10071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10062] close(4) = 0
[pid 10071] <... openat resumed>) = 3
[pid 10062] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10060] <... futex resumed>) = 0
[pid 10062] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10060] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10071] write(3, "1000", 4 <unfinished ...>
[pid 10062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10060] <... futex resumed>) = 0
[pid 10058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 263.293163][T10062] NILFS (loop2): recovery complete
[ 263.312933][T10063] NILFS (loop1): recovery complete
[ 263.326371][T10072] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10071] <... write resumed>) = 4
[pid 10062] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10060] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10058] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10071] close(3 <unfinished ...>
[pid 10059] <... futex resumed>) = 0
[pid 10058] <... futex resumed>) = 1
[pid 10071] <... close resumed>) = 0
[pid 10059] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10058] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10062] <... openat resumed>) = 4
[pid 10059] <... mmap resumed>) = 0x20000000
[pid 10059] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10058] <... futex resumed>) = 0
[pid 10059] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10071] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10062] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10071] <... symlink resumed>) = 0
[pid 10063] <... mount resumed>) = 0
[pid 10062] <... futex resumed>) = 1
[pid 10060] <... futex resumed>) = 0
[pid 10071] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10070] <... write resumed>) = 126976
[pid 10063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10062] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10060] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10070] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10071] <... futex resumed>) = 0
[pid 10063] <... openat resumed>) = 3
[pid 10062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10060] <... futex resumed>) = 0
[pid 10070] <... futex resumed>) = 0
[pid 10063] chdir("./file0" <unfinished ...>
[pid 10070] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10063] <... chdir resumed>) = 0
[pid 10063] ioctl(4, LOOP_CLR_FD) = 0
[pid 10071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[ 263.357103][T10067] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 263.367918][T10073] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 263.372181][T10067] NILFS (loop5): trying rollback from an earlier position
[ 263.387733][T10065] NILFS (loop3): recovery complete
[pid 10063] close(4 <unfinished ...>
[pid 10062] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10060] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10058] exit_group(0 <unfinished ...>
[pid 10071] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10067] <... mount resumed>) = 0
[pid 10063] <... close resumed>) = 0
[pid 10071] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10071] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10076], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10076
[pid 10071] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10071] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10070] <... futex resumed>) = ?
[pid 10067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10063] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10059] <... futex resumed>) = ?
[pid 10058] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 10076 attached
[pid 10076] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10070] +++ exited with 0 +++
[pid 10067] <... openat resumed>) = 3
[pid 10065] <... mount resumed>) = 0
[pid 10063] <... futex resumed>) = 1
[pid 10061] <... futex resumed>) = 0
[pid 10059] +++ exited with 0 +++
[pid 10058] +++ exited with 0 +++
[pid 10076] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10067] chdir("./file0" <unfinished ...>
[pid 10065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10063] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10061] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10058, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10076] <... memfd_create resumed>) = 3
[pid 10067] <... chdir resumed>) = 0
[pid 10065] <... openat resumed>) = 3
[pid 10063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10061] <... futex resumed>) = 0
[pid 10076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10067] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10065] chdir("./file0" <unfinished ...>
[pid 10063] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10061] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10076] <... mmap resumed>) = 0x7fe424ef8000
[pid 10067] <... ioctl resumed>) = 0
[pid 10065] <... chdir resumed>) = 0
[pid 10067] close(4 <unfinished ...>
[pid 10065] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10063] <... openat resumed>) = 4
[pid 10060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10067] <... close resumed>) = 0
[pid 10065] <... ioctl resumed>) = 0
[pid 10063] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 263.408246][T10067] NILFS (loop5): recovery complete
[ 263.424597][T10075] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 263.435799][T10074] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10060] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10067] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10065] close(4 <unfinished ...>
[pid 10063] <... futex resumed>) = 1
[pid 10061] <... futex resumed>) = 0
[pid 10060] <... futex resumed>) = 0
[pid 5074] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10067] <... futex resumed>) = 1
[pid 10066] <... futex resumed>) = 0
[pid 10065] <... close resumed>) = 0
[pid 10063] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10061] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10067] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10066] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10065] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10061] <... futex resumed>) = 0
[pid 10060] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10066] <... futex resumed>) = 0
[pid 10065] <... futex resumed>) = 1
[pid 10064] <... futex resumed>) = 0
[pid 10063] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10061] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10060] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 10067] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10066] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10065] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10064] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10060] <... mprotect resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 10065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10064] <... futex resumed>) = 0
[pid 10060] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10067] <... openat resumed>) = 4
[pid 10065] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10064] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 10067] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10060] <... clone resumed>, parent_tid=[10077], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10077
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10067] <... futex resumed>) = 1
[pid 10066] <... futex resumed>) = 0
[pid 10065] <... openat resumed>) = 4
[pid 10060] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10077 attached
<unfinished ...>
[pid 10067] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10066] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10065] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10060] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10077] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10060] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10077] <... set_robust_list resumed>) = 0
[pid 10077] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10066] <... futex resumed>) = 0
[pid 10065] <... futex resumed>) = 1
[pid 10064] <... futex resumed>) = 0
[pid 5074] lstat("./206/binderfs", <unfinished ...>
[pid 10077] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10066] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10065] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10064] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10077] <... futex resumed>) = 1
[pid 10065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10064] <... futex resumed>) = 0
[pid 10061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10060] <... futex resumed>) = 0
[pid 5074] unlink("./206/binderfs" <unfinished ...>
[pid 10077] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10065] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10064] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10061] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 10061] <... futex resumed>) = 0
[pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10061] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10061] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10078], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10078
[pid 10061] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10061] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10078 attached
<unfinished ...>
[pid 10078] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10078] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10078] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10061] <... futex resumed>) = 0
[pid 10078] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10066] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10076] <... write resumed>) = 2097152
[pid 10066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10066] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10066] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10076] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10066] <... clone resumed>, parent_tid=[10079], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10079
[pid 10064] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10076] <... munmap resumed>) = 0
[pid 10066] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10064] <... futex resumed>) = 0
./strace-static-x86_64: Process 10079 attached
[pid 10076] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10066] <... futex resumed>) = 0
[pid 10064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10079] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10076] <... openat resumed>) = 4
[pid 10066] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10064] <... mmap resumed>) = 0x7fe4250d7000
[pid 10079] <... set_robust_list resumed>) = 0
[pid 10076] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10064] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10079] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10076] <... ioctl resumed>) = 0
[pid 10064] <... mprotect resumed>) = 0
[pid 10079] <... mmap resumed>) = 0x20000000
[pid 10079] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10064] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10080], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10080
[pid 10064] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10064] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10076] close(3 <unfinished ...>
[pid 10079] <... futex resumed>) = 1
[pid 10066] <... futex resumed>) = 0
[pid 10079] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10076] <... close resumed>) = 0
[pid 10076] mkdir("./file0", 0777) = 0
[pid 10076] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 10080 attached
<unfinished ...>
[pid 10080] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10063] <... write resumed>) = 192512
[pid 10080] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10063] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 10080] <... mmap resumed>) = 0x20000000
[pid 10063] <... futex resumed>) = 0
[pid 10061] exit_group(0 <unfinished ...>
[pid 10080] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10078] <... futex resumed>) = ?
[pid 10061] <... exit_group resumed>) = ?
[pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 263.647657][T10076] loop0: detected capacity change from 0 to 4096
[pid 10080] <... futex resumed>) = 1
[pid 10078] +++ exited with 0 +++
[pid 10064] <... futex resumed>) = 0
[pid 10063] +++ exited with 0 +++
[pid 10061] +++ exited with 0 +++
[pid 10080] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10065] <... write resumed>) = 200704
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10065] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] lstat("./206/file0", <unfinished ...>
[pid 10065] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10061, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10065] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10067] <... write resumed>) = 225280
[pid 10064] exit_group(0 <unfinished ...>
[pid 10067] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10080] <... futex resumed>) = ?
[pid 10067] <... futex resumed>) = 0
[pid 10065] <... futex resumed>) = ?
[pid 10064] <... exit_group resumed>) = ?
[pid 5074] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 10080] +++ exited with 0 +++
[pid 10067] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10066] exit_group(0 <unfinished ...>
[pid 10065] +++ exited with 0 +++
[pid 10064] +++ exited with 0 +++
[pid 5074] <... openat resumed>) = 4
[pid 10079] <... futex resumed>) = ?
[pid 10067] <... futex resumed>) = ?
[pid 10066] <... exit_group resumed>) = ?
[pid 5074] fstat(4, <unfinished ...>
[pid 10079] +++ exited with 0 +++
[pid 10067] +++ exited with 0 +++
[pid 10066] +++ exited with 0 +++
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10064, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10066, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5074] close(4 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] rmdir("./206/file0" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] close(3 <unfinished ...>
[pid 5073] lstat("./208/binderfs", <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] rmdir("./206" <unfinished ...>
[pid 5073] unlink("./208/binderfs" <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5074] mkdir("./207", 0777 <unfinished ...>
[pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... close resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10081
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] getdents64(3, <unfinished ...>
[pid 5071] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./205/binderfs", <unfinished ...>
[pid 5075] lstat("./210/binderfs", <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./205/binderfs" <unfinished ...>
[pid 5075] unlink("./210/binderfs") = 0
[pid 5071] <... unlink resumed>) = 0
[pid 5075] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10081 attached
<unfinished ...>
[pid 10081] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10081] chdir("./207") = 0
[pid 10062] <... write resumed>) = 507904
[pid 10081] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10062] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10081] <... prctl resumed>) = 0
[pid 10062] <... futex resumed>) = 0
[pid 10081] setpgid(0, 0 <unfinished ...>
[pid 10062] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10081] <... setpgid resumed>) = 0
[ 263.726658][T10076] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10060] exit_group(0 <unfinished ...>
[pid 10081] write(3, "1000", 4 <unfinished ...>
[pid 10077] <... futex resumed>) = ?
[pid 10062] <... futex resumed>) = ?
[pid 10060] <... exit_group resumed>) = ?
[pid 5075] <... umount2 resumed>) = 0
[pid 10081] <... write resumed>) = 4
[pid 10077] +++ exited with 0 +++
[pid 10062] +++ exited with 0 +++
[pid 10060] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = 0
[pid 10081] close(3) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10060, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} ---
[pid 10081] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10081] <... symlink resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10081] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10081] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 10081] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10081] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10081] <... mprotect resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10081] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10081] <... clone resumed>, parent_tid=[10082], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10082
[pid 5075] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./207/binderfs", <unfinished ...>
[pid 10081] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10081] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./208/file0", <unfinished ...>
[pid 5072] unlink("./207/binderfs" <unfinished ...>
[pid 10081] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5075] lstat("./210/file0", <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10082 attached
<unfinished ...>
[pid 10082] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10082] <... set_robust_list resumed>) = 0
[pid 5075] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10082] memfd_create("syzkaller", 0) = 3
[pid 10082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10082] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 4
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 263.778790][T10076] NILFS (loop0): trying rollback from an earlier position
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5075] rmdir("./210/file0" <unfinished ...>
[pid 5073] rmdir("./208/file0") = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5073] rmdir("./208" <unfinished ...>
[pid 5071] lstat("./205/file0", <unfinished ...>
[pid 5075] rmdir("./210" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] mkdir("./209", 0777 <unfinished ...>
[pid 5075] mkdir("./211", 0777 <unfinished ...>
[pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 4
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./205/file0" <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5071] rmdir("./205" <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10083
[pid 5071] mkdir("./206", 0777./strace-static-x86_64: Process 10083 attached
) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10084
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[ 263.870165][T10076] NILFS (loop0): recovery complete
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10083] set_robust_list(0x555556a0d5e0, 24./strace-static-x86_64: Process 10084 attached
<unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10086
[pid 10084] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10084] chdir("./209") = 0
[pid 10084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10084] setpgid(0, 0) = 0
[pid 10084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 10086 attached
[pid 10084] write(3, "1000", 4 <unfinished ...>
[pid 10083] <... set_robust_list resumed>) = 0
[pid 10076] <... mount resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 10086] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10084] <... write resumed>) = 4
[pid 10083] chdir("./211" <unfinished ...>
[pid 10076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10086] <... set_robust_list resumed>) = 0
[pid 10084] close(3 <unfinished ...>
[pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10086] chdir("./206" <unfinished ...>
[pid 10084] <... close resumed>) = 0
[pid 10076] <... openat resumed>) = 3
[pid 10083] <... chdir resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10086] <... chdir resumed>) = 0
[pid 10084] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10086] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10084] <... symlink resumed>) = 0
[pid 10083] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10076] chdir("./file0" <unfinished ...>
[pid 5072] lstat("./207/file0", <unfinished ...>
[pid 10086] <... prctl resumed>) = 0
[pid 10084] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10086] setpgid(0, 0 <unfinished ...>
[pid 10084] <... futex resumed>) = 0
[pid 10086] <... setpgid resumed>) = 0
[pid 10084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10084] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10083] <... prctl resumed>) = 0
[pid 10086] <... openat resumed>) = 3
[pid 10084] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10076] <... chdir resumed>) = 0
[pid 10083] setpgid(0, 0 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10086] write(3, "1000", 4 <unfinished ...>
[pid 10084] <... mprotect resumed>) = 0
[pid 10083] <... setpgid resumed>) = 0
[pid 10082] <... write resumed>) = 2097152
[pid 10076] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10086] <... write resumed>) = 4
[pid 10084] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10082] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10076] <... ioctl resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10086] close(3 <unfinished ...>
[pid 10083] <... openat resumed>) = 3
[pid 10082] <... munmap resumed>) = 0
[pid 10076] close(4 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10086] <... close resumed>) = 0
[pid 10084] <... clone resumed>, parent_tid=[10087], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10087
[pid 10083] write(3, "1000", 4 <unfinished ...>
[pid 10082] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10076] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 10086] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10084] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10083] <... write resumed>) = 4
[pid 10082] <... openat resumed>) = 4
[pid 10076] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 10086] <... symlink resumed>) = 0
[pid 10084] <... futex resumed>) = 0
[ 263.890614][T10085] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10083] close(3 <unfinished ...>
[pid 10082] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10076] <... futex resumed>) = 1
[pid 10071] <... futex resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10086] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10084] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10083] <... close resumed>) = 0
[pid 10076] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10071] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10086] <... futex resumed>) = 0
[pid 10083] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10071] <... futex resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 10087 attached
[pid 10086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10083] <... symlink resumed>) = 0
[pid 10076] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10071] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10087] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10086] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10083] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10082] <... ioctl resumed>) = 0
[pid 10076] <... openat resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10087] <... set_robust_list resumed>) = 0
[pid 10086] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10083] <... futex resumed>) = 0
[pid 10082] close(3 <unfinished ...>
[pid 10076] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 10087] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10086] <... mprotect resumed>) = 0
[pid 10083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10082] <... close resumed>) = 0
[pid 10076] <... futex resumed>) = 1
[pid 10071] <... futex resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10087] <... memfd_create resumed>) = 3
[pid 10086] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10083] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10082] mkdir("./file0", 0777 <unfinished ...>
[pid 10076] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10071] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] rmdir("./207/file0"./strace-static-x86_64: Process 10088 attached
<unfinished ...>
[pid 10087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10083] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10082] <... mkdir resumed>) = 0
[pid 10076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10071] <... futex resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10088] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10087] <... mmap resumed>) = 0x7fe424ef8000
[pid 10086] <... clone resumed>, parent_tid=[10088], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10088
[pid 10083] <... mprotect resumed>) = 0
[pid 10082] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10076] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10071] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10083] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] close(3 <unfinished ...>
[pid 10083] <... clone resumed>, parent_tid=[10089], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10089
[pid 5072] <... close resumed>) = 0
[pid 10083] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] rmdir("./207" <unfinished ...>
[pid 10083] <... futex resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10083] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 263.946286][T10082] loop4: detected capacity change from 0 to 4096
[pid 5072] mkdir("./208", 0777 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 10088] <... set_robust_list resumed>) = 0
[pid 10086] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 10089 attached
<unfinished ...>
[pid 10088] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10089] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10088] <... memfd_create resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10089] <... set_robust_list resumed>) = 0
[pid 10088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10089] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10088] <... mmap resumed>) = 0x7fe424ef8000
[pid 5072] close(3 <unfinished ...>
[pid 10089] <... memfd_create resumed>) = 3
[pid 5072] <... close resumed>) = 0
[pid 10089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10089] <... mmap resumed>) = 0x7fe424ef8000
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10090
./strace-static-x86_64: Process 10090 attached
[pid 10090] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10090] chdir("./208") = 0
[pid 10090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10090] setpgid(0, 0) = 0
[pid 10071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 263.993275][T10082] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10071] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10090] <... openat resumed>) = 3
[pid 10071] <... futex resumed>) = 0
[pid 10090] write(3, "1000", 4 <unfinished ...>
[pid 10071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10090] <... write resumed>) = 4
[pid 10071] <... mmap resumed>) = 0x7fe4250d7000
[pid 10090] close(3 <unfinished ...>
[pid 10071] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10090] <... close resumed>) = 0
[pid 10071] <... mprotect resumed>) = 0
[pid 10090] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10071] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10090] <... symlink resumed>) = 0
[pid 10090] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10071] <... clone resumed>, parent_tid=[10091], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10091
[pid 10090] <... futex resumed>) = 0
[pid 10071] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10071] <... futex resumed>) = 0
./strace-static-x86_64: Process 10091 attached
[pid 10090] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10071] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10091] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10090] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10091] <... set_robust_list resumed>) = 0
[pid 10090] <... mprotect resumed>) = 0
[pid 10091] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10090] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10087] <... write resumed>) = 2097152
[pid 10091] <... mmap resumed>) = 0x20000000
[pid 10091] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10090] <... clone resumed>, parent_tid=[10092], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10092
./strace-static-x86_64: Process 10092 attached
[pid 10091] <... futex resumed>) = 1
[pid 10090] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10087] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10071] <... futex resumed>) = 0
[pid 10092] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10091] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10090] <... futex resumed>) = 0
[pid 10088] <... write resumed>) = 2097152
[pid 10092] <... set_robust_list resumed>) = 0
[pid 10090] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10088] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10087] <... munmap resumed>) = 0
[ 264.037583][T10082] NILFS (loop4): trying rollback from an earlier position
[pid 10092] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10087] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10092] <... memfd_create resumed>) = 3
[pid 10088] <... munmap resumed>) = 0
[pid 10087] <... openat resumed>) = 4
[pid 10092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10088] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10087] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10092] <... mmap resumed>) = 0x7fe424ef8000
[pid 10076] <... write resumed>) = 184320
[pid 10076] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10076] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10088] <... openat resumed>) = 4
[pid 10071] exit_group(0 <unfinished ...>
[pid 10091] <... futex resumed>) = ?
[pid 10088] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10087] <... ioctl resumed>) = 0
[pid 10076] <... futex resumed>) = ?
[pid 10071] <... exit_group resumed>) = ?
[pid 10092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10091] +++ exited with 0 +++
[pid 10087] close(3) = 0
[pid 10087] mkdir("./file0", 0777) = 0
[pid 10087] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10088] <... ioctl resumed>) = 0
[pid 10088] close(3) = 0
[pid 10088] mkdir("./file0", 0777) = 0
[pid 10088] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10076] +++ exited with 0 +++
[pid 10071] +++ exited with 0 +++
[ 264.101232][T10087] loop3: detected capacity change from 0 to 4096
[ 264.124317][T10088] loop1: detected capacity change from 0 to 4096
[ 264.124452][T10082] NILFS (loop4): recovery complete
[pid 10089] <... write resumed>) = 2097152
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10071, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 10089] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10082] <... mount resumed>) = 0
[pid 10089] <... munmap resumed>) = 0
[pid 10082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10082] <... openat resumed>) = 3
[pid 10092] <... write resumed>) = 2097152
[pid 10089] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10082] chdir("./file0" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10092] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10089] <... openat resumed>) = 4
[pid 10082] <... chdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10092] <... munmap resumed>) = 0
[pid 10089] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10082] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10092] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10082] <... ioctl resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 10092] <... openat resumed>) = 4
[pid 10089] <... ioctl resumed>) = 0
[pid 10082] close(4 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 264.144192][T10093] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 264.165042][T10088] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 264.174742][T10089] loop5: detected capacity change from 0 to 4096
[ 264.175254][T10087] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 264.189314][T10092] loop2: detected capacity change from 0 to 4096
[pid 10092] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10089] close(3 <unfinished ...>
[pid 10082] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10092] <... ioctl resumed>) = 0
[pid 10092] close(3 <unfinished ...>
[pid 10089] <... close resumed>) = 0
[pid 10082] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10092] <... close resumed>) = 0
[pid 10089] mkdir("./file0", 0777 <unfinished ...>
[pid 10082] <... futex resumed>) = 1
[pid 10081] <... futex resumed>) = 0
[pid 5070] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10092] mkdir("./file0", 0777 <unfinished ...>
[pid 10089] <... mkdir resumed>) = 0
[pid 10082] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10092] <... mkdir resumed>) = 0
[pid 10089] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10081] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] lstat("./205/binderfs", <unfinished ...>
[pid 10092] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10081] <... futex resumed>) = 0
[pid 10081] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10087] <... mount resumed>) = 0
[pid 10087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10082] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10087] chdir("./file0" <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10087] <... chdir resumed>) = 0
[pid 10087] ioctl(4, LOOP_CLR_FD) = 0
[ 264.195869][T10088] NILFS (loop1): trying rollback from an earlier position
[ 264.209760][T10087] NILFS (loop3): trying rollback from an earlier position
[ 264.210548][T10088] NILFS (loop1): recovery complete
[ 264.224879][T10087] NILFS (loop3): recovery complete
[ 264.241608][T10089] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 5070] unlink("./205/binderfs" <unfinished ...>
[pid 10087] close(4) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10087] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10084] <... futex resumed>) = 0
[pid 10087] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10084] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10084] <... futex resumed>) = 0
[pid 10087] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10084] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10082] <... openat resumed>) = 4
[pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10082] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10081] <... futex resumed>) = 0
[pid 10081] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10081] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10082] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10088] <... mount resumed>) = 0
[pid 10088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10088] chdir("./file0") = 0
[pid 10088] ioctl(4, LOOP_CLR_FD) = 0
[pid 10088] close(4) = 0
[pid 10088] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10087] <... openat resumed>) = 4
[pid 10086] <... futex resumed>) = 0
[pid 10088] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10087] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10087] <... futex resumed>) = 1
[pid 10086] <... futex resumed>) = 0
[pid 10084] <... futex resumed>) = 0
[pid 10088] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10087] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10086] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10084] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10088] <... openat resumed>) = 4
[pid 10087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10084] <... futex resumed>) = 0
[ 264.259072][T10094] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 264.270189][T10092] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 264.279559][T10092] NILFS (loop2): trying rollback from an earlier position
[ 264.280739][T10095] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 264.297291][T10089] NILFS (loop5): trying rollback from an earlier position
[pid 10088] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10087] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10084] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10088] <... futex resumed>) = 1
[pid 10086] <... futex resumed>) = 0
[pid 10088] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10086] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10086] <... futex resumed>) = 0
[pid 10088] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10081] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10081] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10081] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10096], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10096
[pid 10081] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10081] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10096 attached
<unfinished ...>
[pid 10096] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10096] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10089] <... mount resumed>) = 0
[pid 10089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10089] chdir("./file0") = 0
[pid 10084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10089] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10084] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10089] <... ioctl resumed>) = 0
[pid 10084] <... futex resumed>) = 0
[pid 10096] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10089] close(4 <unfinished ...>
[pid 10086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 264.359094][T10092] NILFS (loop2): recovery complete
[ 264.377731][T10089] NILFS (loop5): recovery complete
[ 264.391091][T10097] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10096] <... futex resumed>) = 1
[pid 10092] <... mount resumed>) = 0
[pid 10089] <... close resumed>) = 0
[pid 10086] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10084] <... mmap resumed>) = 0x7fe4250d7000
[pid 10081] <... futex resumed>) = 0
[pid 10096] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10089] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10086] <... futex resumed>) = 0
[pid 10084] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10092] <... openat resumed>) = 3
[pid 10089] <... futex resumed>) = 1
[pid 10086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10084] <... mprotect resumed>) = 0
[pid 10083] <... futex resumed>) = 0
[pid 10092] chdir("./file0" <unfinished ...>
[pid 10089] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10086] <... mmap resumed>) = 0x7fe4250d7000
[pid 10084] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10083] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10092] <... chdir resumed>) = 0
[pid 10089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10086] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10083] <... futex resumed>) = 0
[pid 5070] lstat("./205/file0", <unfinished ...>
[pid 10092] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10089] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10086] <... mprotect resumed>) = 0
[pid 10084] <... clone resumed>, parent_tid=[10099], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10099
[pid 10083] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10092] <... ioctl resumed>) = 0
[pid 10086] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10084] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10099 attached
<unfinished ...>
[pid 10092] close(4 <unfinished ...>
[pid 10084] <... futex resumed>) = 0
[pid 10082] <... write resumed>) = 167936
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10092] <... close resumed>) = 0
[pid 10086] <... clone resumed>, parent_tid=[10100], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10100
[pid 10084] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10082] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10092] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10082] <... futex resumed>) = 0
./strace-static-x86_64: Process 10100 attached
[pid 10099] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10092] <... futex resumed>) = 1
[pid 10090] <... futex resumed>) = 0
[pid 10086] <... futex resumed>) = 0
[pid 10082] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10081] exit_group(0 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10100] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10099] <... set_robust_list resumed>) = 0
[pid 10096] <... futex resumed>) = ?
[pid 10092] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10090] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10086] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10082] <... futex resumed>) = ?
[pid 10081] <... exit_group resumed>) = ?
[pid 5070] fstat(4, <unfinished ...>
[pid 10100] <... set_robust_list resumed>) = 0
[pid 10099] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10096] +++ exited with 0 +++
[pid 10092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10090] <... futex resumed>) = 0
[pid 10100] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10099] <... mmap resumed>) = 0x20000000
[pid 10092] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10090] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10082] +++ exited with 0 +++
[pid 10081] +++ exited with 0 +++
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10100] <... mmap resumed>) = 0x20000000
[ 264.410579][T10098] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10099] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10089] <... openat resumed>) = 4
[pid 5070] getdents64(4, <unfinished ...>
[pid 10100] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10099] <... futex resumed>) = 1
[pid 10089] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10084] <... futex resumed>) = 0
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10081, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10100] <... futex resumed>) = 1
[pid 10099] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10092] <... openat resumed>) = 4
[pid 10089] <... futex resumed>) = 1
[pid 10086] <... futex resumed>) = 0
[pid 10083] <... futex resumed>) = 0
[pid 5074] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10100] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10092] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10089] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10083] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(4, <unfinished ...>
[pid 10092] <... futex resumed>) = 1
[pid 10090] <... futex resumed>) = 0
[pid 10089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10083] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10092] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10090] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10089] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10083] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] close(4 <unfinished ...>
[pid 10092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10090] <... futex resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 10092] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10090] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] rmdir("./205/file0" <unfinished ...>
[pid 5074] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] <... rmdir resumed>) = 0
[pid 5074] lstat("./207/binderfs", <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] unlink("./207/binderfs" <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10087] <... write resumed>) = 217088
[pid 5074] <... unlink resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10087] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10084] exit_group(0 <unfinished ...>
[pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] rmdir("./205" <unfinished ...>
[pid 10099] <... futex resumed>) = ?
[pid 10087] <... futex resumed>) = ?
[pid 10084] <... exit_group resumed>) = ?
[pid 10099] +++ exited with 0 +++
[pid 10087] +++ exited with 0 +++
[pid 10084] +++ exited with 0 +++
[pid 5070] <... rmdir resumed>) = 0
[pid 10083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10084, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10083] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] mkdir("./206", 0777 <unfinished ...>
[pid 10083] <... futex resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5073] <... restart_syscall resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10083] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10083] <... mprotect resumed>) = 0
[pid 10090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10083] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10090] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10090] <... futex resumed>) = 0
[pid 10083] <... clone resumed>, parent_tid=[10101], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10101
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10083] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10090] <... mmap resumed>) = 0x7fe4250d7000
[pid 10083] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10090] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10083] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10088] <... write resumed>) = 200704
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10090] <... mprotect resumed>) = 0
[pid 10088] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10090] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10088] <... futex resumed>) = 0
[pid 10088] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 10101 attached
[pid 10090] <... clone resumed>, parent_tid=[10103], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10103
[pid 10086] exit_group(0 <unfinished ...>
[pid 5073] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10102
[pid 10101] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10100] <... futex resumed>) = ?
[pid 10090] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10088] <... futex resumed>) = ?
[pid 10086] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 10102 attached
[pid 10101] <... set_robust_list resumed>) = 0
[pid 10100] +++ exited with 0 +++
[pid 10090] <... futex resumed>) = 0
[pid 10088] +++ exited with 0 +++
[pid 10086] +++ exited with 0 +++
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10103 attached
[pid 10103] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10086, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10103] <... set_robust_list resumed>) = 0
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10103] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 10103] <... mmap resumed>) = 0x20000000
[pid 5071] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 10103] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10103] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10103] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10101] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10090] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] lstat("./209/binderfs", <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10102] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] unlink("./209/binderfs" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... unlink resumed>) = 0
[pid 5071] lstat("./206/binderfs", <unfinished ...>
[pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10101] <... mmap resumed>) = 0x20000000
[pid 5071] unlink("./206/binderfs" <unfinished ...>
[pid 10102] <... set_robust_list resumed>) = 0
[pid 10101] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 10102] chdir("./206" <unfinished ...>
[pid 10101] <... futex resumed>) = 1
[pid 10083] <... futex resumed>) = 0
[pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10102] <... chdir resumed>) = 0
[pid 10101] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] lstat("./207/file0", <unfinished ...>
[pid 10102] setpgid(0, 0) = 0
[pid 10102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10102] <... openat resumed>) = 3
[pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10102] write(3, "1000", 4 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10102] <... write resumed>) = 4
[pid 5074] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10102] close(3 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 10102] <... close resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 10102] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10102] <... symlink resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10102] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10102] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10102] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5074] close(4) = 0
[pid 5074] rmdir("./207/file0" <unfinished ...>
[pid 10102] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 10102] <... mprotect resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10102] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 10102] <... clone resumed>, parent_tid=[10104], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10104
[pid 5074] rmdir("./207" <unfinished ...>
[pid 10102] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10104 attached
[pid 10102] <... futex resumed>) = 0
[pid 5074] mkdir("./208", 0777 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 10104] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10102] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 10104] <... set_robust_list resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10104] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... umount2 resumed>) = 0
[pid 10104] <... memfd_create resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 5073] lstat("./209/file0", <unfinished ...>
[pid 10104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10105
[pid 5073] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] close(4./strace-static-x86_64: Process 10105 attached
<unfinished ...>
[pid 10104] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... close resumed>) = 0
[pid 5071] lstat("./206/file0", <unfinished ...>
[pid 10105] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5073] rmdir("./209/file0" <unfinished ...>
[pid 10105] <... set_robust_list resumed>) = 0
[pid 10092] <... write resumed>) = 221184
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10105] chdir("./208" <unfinished ...>
[pid 10092] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10105] <... chdir resumed>) = 0
[pid 10092] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10105] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10092] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10090] exit_group(0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10105] <... prctl resumed>) = 0
[pid 10103] <... futex resumed>) = ?
[pid 10092] <... futex resumed>) = ?
[pid 10090] <... exit_group resumed>) = ?
[pid 5073] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 10105] setpgid(0, 0 <unfinished ...>
[pid 10103] +++ exited with 0 +++
[pid 10092] +++ exited with 0 +++
[pid 5073] rmdir("./209" <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 10105] <... setpgid resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] mkdir("./210", 0777 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10105] <... openat resumed>) = 3
[pid 10090] +++ exited with 0 +++
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10105] write(3, "1000", 4 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10090, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5071] getdents64(4, <unfinished ...>
[pid 10105] <... write resumed>) = 4
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10105] close(3 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 10105] <... close resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... close resumed>) = 0
[pid 10105] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] rmdir("./206/file0" <unfinished ...>
[pid 10105] <... symlink resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10105] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10105] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10106
[pid 5072] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10105] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 10105] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] rmdir("./206" <unfinished ...>
[pid 10105] <... mprotect resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10106 attached
[pid 10105] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] mkdir("./207", 0777 <unfinished ...>
[pid 10106] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... mkdir resumed>) = 0
[pid 10106] <... set_robust_list resumed>) = 0
[pid 10105] <... clone resumed>, parent_tid=[10107], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10107
[pid 5072] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10106] chdir("./210" <unfinished ...>
[pid 10105] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 3
[pid 10106] <... chdir resumed>) = 0
[pid 10105] <... futex resumed>) = 0
[pid 5072] lstat("./208/binderfs", <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10107 attached
<unfinished ...>
[pid 10106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10105] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10107] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10106] <... prctl resumed>) = 0
[pid 10089] <... write resumed>) = 327680
[pid 5072] unlink("./208/binderfs" <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10107] <... set_robust_list resumed>) = 0
[pid 10106] setpgid(0, 0 <unfinished ...>
[pid 10089] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10107] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10106] <... setpgid resumed>) = 0
[pid 10104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10089] <... futex resumed>) = 0
[pid 10083] exit_group(0 <unfinished ...>
[pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10107] <... memfd_create resumed>) = 3
[pid 10106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10101] <... futex resumed>) = ?
[pid 10083] <... exit_group resumed>) = ?
[pid 10107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10106] <... openat resumed>) = 3
[pid 10101] +++ exited with 0 +++
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10108
[pid 10107] <... mmap resumed>) = 0x7fe424ef8000
[pid 10106] write(3, "1000", 4) = 4
[pid 10089] +++ exited with 0 +++
[pid 10083] +++ exited with 0 +++
[pid 10106] close(3 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10083, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10106] <... close resumed>) = 0
[pid 10106] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10106] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10108 attached
) = 0
[pid 10108] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10108] <... set_robust_list resumed>) = 0
[pid 10106] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10108] chdir("./207" <unfinished ...>
[pid 10106] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10108] <... chdir resumed>) = 0
[pid 10106] <... mprotect resumed>) = 0
[pid 10108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10106] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10108] <... prctl resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10108] setpgid(0, 0 <unfinished ...>
[pid 10106] <... clone resumed>, parent_tid=[10109], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10109
[pid 5075] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10108] <... setpgid resumed>) = 0
[pid 10106] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10106] <... futex resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 10108] <... openat resumed>) = 3
[pid 10106] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10109 attached
<unfinished ...>
[pid 10108] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10109] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10108] <... write resumed>) = 4
[pid 5075] getdents64(3, <unfinished ...>
[pid 10109] <... set_robust_list resumed>) = 0
[pid 10108] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10109] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10108] <... close resumed>) = 0
[pid 10109] <... memfd_create resumed>) = 3
[pid 10108] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10108] <... symlink resumed>) = 0
[pid 5075] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10109] <... mmap resumed>) = 0x7fe424ef8000
[pid 10108] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10108] <... futex resumed>) = 0
[pid 5075] lstat("./211/binderfs", <unfinished ...>
[pid 10108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10108] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] unlink("./211/binderfs" <unfinished ...>
[pid 10108] <... mprotect resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 10108] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10108] <... clone resumed>, parent_tid=[10110], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10110
[pid 10108] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10108] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 10110 attached
<unfinished ...>
[pid 10110] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10110] memfd_create("syzkaller", 0) = 3
[pid 5072] <... umount2 resumed>) = 0
[pid 10110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10104] <... write resumed>) = 2097152
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./208/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10104] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 10104] <... munmap resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10104] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10107] <... write resumed>) = 2097152
[pid 10104] <... openat resumed>) = 4
[pid 5072] close(4 <unfinished ...>
[pid 10107] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10104] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10107] <... munmap resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./211/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, <unfinished ...>
[pid 5072] rmdir("./208/file0" <unfinished ...>
[pid 10107] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10107] <... openat resumed>) = 4
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10104] <... ioctl resumed>) = 0
[pid 10107] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10104] close(3 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... close resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 5072] rmdir("./208" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] rmdir("./211/file0" <unfinished ...>
[pid 5072] mkdir("./209", 0777 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 10104] <... close resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10107] <... ioctl resumed>) = 0
[pid 10104] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10109] <... write resumed>) = 2097152
[pid 10107] close(3 <unfinished ...>
[pid 10104] <... mkdir resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10109] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10107] <... close resumed>) = 0
[pid 10104] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] rmdir("./211" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10110] <... write resumed>) = 2097152
[pid 10109] <... munmap resumed>) = 0
[pid 10107] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 10110] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10109] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10107] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10110] <... munmap resumed>) = 0
[pid 10109] <... openat resumed>) = 4
[pid 10107] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] mkdir("./212", 0777 <unfinished ...>
[pid 10110] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[ 264.909929][T10104] loop0: detected capacity change from 0 to 4096
[ 264.921715][T10107] loop4: detected capacity change from 0 to 4096
[ 264.943348][T10104] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 264.953810][T10109] loop3: detected capacity change from 0 to 4096
[pid 10109] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10110] <... openat resumed>) = 4
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10110] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10109] <... ioctl resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 10111 attached
<unfinished ...>
[pid 10111] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10111] chdir("./209") = 0
[pid 10111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10111] setpgid(0, 0) = 0
[pid 10111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10111] write(3, "1000", 4) = 4
[pid 10111] close(3) = 0
[pid 10111] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10109] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10111
[pid 10109] <... close resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10109] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10111] <... symlink resumed>) = 0
[pid 10111] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10109] <... mkdir resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 10109] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10111] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... close resumed>) = 0
[pid 10111] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10111] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10112], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10112
[pid 10111] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10111] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10110] <... ioctl resumed>) = 0
[pid 10110] close(3) = 0
[pid 10110] mkdir("./file0", 0777) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10112 attached
<unfinished ...>
[pid 10110] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10112] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10113
[pid 10112] memfd_create("syzkaller", 0) = 3
[pid 10112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10113 attached
[ 264.960498][T10104] NILFS (loop0): trying rollback from an earlier position
[ 264.961831][T10110] loop1: detected capacity change from 0 to 4096
[ 264.980276][T10107] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 264.988056][T10104] NILFS (loop0): recovery complete
[ 265.000730][T10107] NILFS (loop4): trying rollback from an earlier position
[pid 10113] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10113] chdir("./212") = 0
[pid 10113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10113] setpgid(0, 0) = 0
[pid 10113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10113] write(3, "1000", 4) = 4
[pid 10113] close(3) = 0
[pid 10113] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10113] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10104] <... mount resumed>) = 0
[pid 10113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10113] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10104] <... openat resumed>) = 3
[ 265.023862][T10109] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 265.033535][T10109] NILFS (loop3): trying rollback from an earlier position
[ 265.041853][T10114] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 265.057091][T10110] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 265.057175][T10109] NILFS (loop3): recovery complete
[pid 10113] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10104] chdir("./file0" <unfinished ...>
[pid 10113] <... mprotect resumed>) = 0
[pid 10113] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10115], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10115
[pid 10113] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10113] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10104] <... chdir resumed>) = 0
[pid 10104] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 10115 attached
) = 0
[pid 10115] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10104] close(4 <unfinished ...>
[pid 10115] <... set_robust_list resumed>) = 0
[pid 10104] <... close resumed>) = 0
[pid 10115] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10104] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10115] <... memfd_create resumed>) = 3
[pid 10104] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10102] <... futex resumed>) = 0
[pid 10102] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10102] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10104] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10115] <... mmap resumed>) = 0x7fe424ef8000
[pid 10104] <... openat resumed>) = 4
[pid 10104] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10102] <... futex resumed>) = 0
[pid 10104] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10102] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10102] <... futex resumed>) = 0
[pid 10104] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 265.065107][T10110] NILFS (loop1): trying rollback from an earlier position
[ 265.082706][T10107] NILFS (loop4): recovery complete
[pid 10102] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10107] <... mount resumed>) = 0
[pid 10109] <... mount resumed>) = 0
[pid 10107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10109] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10107] <... openat resumed>) = 3
[pid 10107] chdir("./file0" <unfinished ...>
[pid 10109] <... openat resumed>) = 3
[pid 10107] <... chdir resumed>) = 0
[pid 10109] chdir("./file0" <unfinished ...>
[pid 10107] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10109] <... chdir resumed>) = 0
[pid 10109] ioctl(4, LOOP_CLR_FD) = 0
[pid 10109] close(4 <unfinished ...>
[pid 10112] <... write resumed>) = 2097152
[pid 10109] <... close resumed>) = 0
[pid 10107] <... ioctl resumed>) = 0
[pid 10102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10109] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10107] close(4 <unfinished ...>
[pid 10102] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10109] <... futex resumed>) = 1
[pid 10107] <... close resumed>) = 0
[pid 10106] <... futex resumed>) = 0
[pid 10102] <... futex resumed>) = 0
[pid 10109] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10106] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 265.127467][T10117] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 265.140042][T10116] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 265.155867][T10110] NILFS (loop1): recovery complete
[pid 10106] <... futex resumed>) = 0
[pid 10112] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10110] <... mount resumed>) = 0
[pid 10109] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10107] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10106] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10112] <... munmap resumed>) = 0
[pid 10110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10109] <... openat resumed>) = 4
[pid 10107] <... futex resumed>) = 1
[pid 10105] <... futex resumed>) = 0
[pid 10102] <... mmap resumed>) = 0x7fe4250d7000
[pid 10112] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10110] <... openat resumed>) = 3
[pid 10109] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10107] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10105] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10102] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10112] <... openat resumed>) = 4
[pid 10110] chdir("./file0" <unfinished ...>
[pid 10109] <... futex resumed>) = 1
[pid 10107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10106] <... futex resumed>) = 0
[pid 10105] <... futex resumed>) = 0
[pid 10102] <... mprotect resumed>) = 0
[pid 10112] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10110] <... chdir resumed>) = 0
[pid 10109] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10107] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 265.168709][T10118] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10106] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10105] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10102] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10106] <... futex resumed>) = 0
[pid 10109] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10106] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10102] <... clone resumed>, parent_tid=[10119], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10119
[pid 10112] <... ioctl resumed>) = 0
[pid 10110] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10107] <... openat resumed>) = 4
[pid 10102] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10112] close(3 <unfinished ...>
[pid 10110] <... ioctl resumed>) = 0
[pid 10107] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10102] <... futex resumed>) = 0
[pid 10112] <... close resumed>) = 0
[pid 10110] close(4 <unfinished ...>
[pid 10107] <... futex resumed>) = 1
[pid 10105] <... futex resumed>) = 0
[pid 10102] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10119 attached
<unfinished ...>
[pid 10115] <... write resumed>) = 2097152
[pid 10112] mkdir("./file0", 0777 <unfinished ...>
[pid 10110] <... close resumed>) = 0
[pid 10107] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10105] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10119] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10112] <... mkdir resumed>) = 0
[pid 10110] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10105] <... futex resumed>) = 0
[pid 10119] <... set_robust_list resumed>) = 0
[pid 10112] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10110] <... futex resumed>) = 1
[pid 10108] <... futex resumed>) = 0
[pid 10107] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10105] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10119] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10110] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10108] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10119] <... mmap resumed>) = 0x20000000
[pid 10108] <... futex resumed>) = 0
[pid 10115] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10119] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 265.209190][T10112] loop2: detected capacity change from 0 to 4096
[pid 10108] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10119] <... futex resumed>) = 1
[pid 10115] <... munmap resumed>) = 0
[pid 10102] <... futex resumed>) = 0
[pid 10119] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10115] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10115] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10110] <... openat resumed>) = 4
[pid 10110] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10108] <... futex resumed>) = 0
[pid 10106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10110] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10108] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10106] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10108] <... futex resumed>) = 0
[pid 10106] <... futex resumed>) = 0
[pid 10110] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10108] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10106] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10115] <... ioctl resumed>) = 0
[pid 10106] <... mprotect resumed>) = 0
[pid 10105] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10115] close(3 <unfinished ...>
[pid 10106] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10105] <... futex resumed>) = 0
[pid 10115] <... close resumed>) = 0
[pid 10105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10115] mkdir("./file0", 0777 <unfinished ...>
[pid 10106] <... clone resumed>, parent_tid=[10120], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10120
[pid 10105] <... mmap resumed>) = 0x7fe4250d7000
[pid 10115] <... mkdir resumed>) = 0
[pid 10106] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10105] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10115] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10106] <... futex resumed>) = 0
[pid 10105] <... mprotect resumed>) = 0
[pid 10106] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 265.252754][T10112] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 265.261214][T10115] loop5: detected capacity change from 0 to 4096
[pid 10105] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 10120 attached
, parent_tid=[10121], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10121
[pid 10120] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10105] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10120] <... set_robust_list resumed>) = 0
[pid 10120] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10105] <... futex resumed>) = 0
./strace-static-x86_64: Process 10121 attached
[pid 10120] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10105] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10121] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10120] <... futex resumed>) = 1
[pid 10106] <... futex resumed>) = 0
[pid 10121] <... set_robust_list resumed>) = 0
[pid 10120] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10121] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10108] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10121] <... mmap resumed>) = 0x20000000
[pid 10108] <... futex resumed>) = 0
[pid 10121] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10121] <... futex resumed>) = 1
[pid 10108] <... mmap resumed>) = 0x7fe4250d7000
[pid 10105] <... futex resumed>) = 0
[pid 10121] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 265.320905][T10112] NILFS (loop2): trying rollback from an earlier position
[ 265.344271][T10115] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10108] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10108] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10122], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10122
[pid 10108] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10108] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10122 attached
<unfinished ...>
[pid 10122] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10122] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10109] <... write resumed>) = 221184
[pid 10107] <... write resumed>) = 172032
[ 265.379265][T10112] NILFS (loop2): recovery complete
[pid 10122] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10109] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10108] <... futex resumed>) = 0
[pid 10107] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10122] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10109] <... futex resumed>) = 0
[pid 10107] <... futex resumed>) = 0
[pid 10105] exit_group(0 <unfinished ...>
[pid 10121] <... futex resumed>) = ?
[pid 10109] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10106] exit_group(0 <unfinished ...>
[pid 10105] <... exit_group resumed>) = ?
[pid 10121] +++ exited with 0 +++
[pid 10120] <... futex resumed>) = ?
[pid 10109] <... futex resumed>) = ?
[pid 10107] +++ exited with 0 +++
[pid 10106] <... exit_group resumed>) = ?
[pid 10120] +++ exited with 0 +++
[pid 10105] +++ exited with 0 +++
[pid 10109] +++ exited with 0 +++
[pid 10106] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10105, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10106, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5073] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5074] <... openat resumed>) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10112] <... mount resumed>) = 0
[pid 10104] <... write resumed>) = 401408
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 10112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10104] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10102] exit_group(0 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 10104] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10119] <... futex resumed>) = ?
[pid 10112] <... openat resumed>) = 3
[pid 10102] <... exit_group resumed>) = ?
[pid 10110] <... write resumed>) = 233472
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10110] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10110] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10119] +++ exited with 0 +++
[pid 10104] +++ exited with 0 +++
[pid 10112] chdir("./file0" <unfinished ...>
[pid 10102] +++ exited with 0 +++
[pid 10112] <... chdir resumed>) = 0
[pid 10108] exit_group(0 <unfinished ...>
[ 265.407042][T10115] NILFS (loop5): trying rollback from an earlier position
[ 265.427102][T10123] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5074] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10102, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 10112] ioctl(4, LOOP_CLR_FD) = 0
[pid 10112] close(4 <unfinished ...>
[pid 10122] <... futex resumed>) = ?
[pid 10112] <... close resumed>) = 0
[pid 10108] <... exit_group resumed>) = ?
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./210/binderfs", <unfinished ...>
[pid 10122] +++ exited with 0 +++
[pid 10112] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10110] <... futex resumed>) = ?
[pid 5074] lstat("./208/binderfs", <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10112] <... futex resumed>) = 1
[pid 10111] <... futex resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./210/binderfs" <unfinished ...>
[pid 5070] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10112] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10111] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10110] +++ exited with 0 +++
[pid 10108] +++ exited with 0 +++
[pid 5074] unlink("./208/binderfs" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10111] <... futex resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10108, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10115] <... mount resumed>) = 0
[pid 10112] <... openat resumed>) = 4
[pid 10111] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10115] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10112] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5070] fstat(3, <unfinished ...>
[pid 10115] <... openat resumed>) = 3
[pid 5071] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10115] chdir("./file0" <unfinished ...>
[pid 10112] <... futex resumed>) = 0
[pid 10111] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(3, <unfinished ...>
[pid 10115] <... chdir resumed>) = 0
[pid 10112] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10111] <... futex resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10115] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10115] <... ioctl resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10115] close(4 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] lstat("./206/binderfs", <unfinished ...>
[pid 10115] <... close resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10115] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10111] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] unlink("./206/binderfs" <unfinished ...>
[pid 10115] <... futex resumed>) = 1
[pid 10113] <... futex resumed>) = 0
[pid 5071] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 10115] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10113] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10113] <... futex resumed>) = 0
[pid 5071] lstat("./207/binderfs", <unfinished ...>
[pid 10115] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10113] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./207/binderfs") = 0
[ 265.457683][T10115] NILFS (loop5): recovery complete
[ 265.470131][T10124] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10115] <... openat resumed>) = 4
[pid 10115] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10115] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10113] <... futex resumed>) = 0
[pid 10113] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10115] <... futex resumed>) = 0
[pid 10113] <... futex resumed>) = 1
[pid 10115] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10113] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... umount2 resumed>) = 0
[pid 10111] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5074] <... umount2 resumed>) = 0
[pid 10111] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10111] <... mprotect resumed>) = 0
[pid 10111] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10111] <... clone resumed>, parent_tid=[10125], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10125
[pid 5074] lstat("./208/file0", <unfinished ...>
[pid 10111] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10111] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] fstat(4, ./strace-static-x86_64: Process 10125 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] lstat("./210/file0", <unfinished ...>
[pid 10125] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10125] <... set_robust_list resumed>) = 0
[pid 10125] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10125] <... mmap resumed>) = 0x20000000
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10125] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10111] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10125] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] rmdir("./208/file0" <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 10113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10113] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 10113] <... futex resumed>) = 0
[pid 5074] rmdir("./208" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] lstat("./206/file0", <unfinished ...>
[pid 10113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10113] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] lstat("./207/file0", <unfinished ...>
[pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... openat resumed>) = 4
[pid 10113] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] mkdir("./209", 0777 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 10113] <... mprotect resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] close(4 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10113] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10113] <... clone resumed>, parent_tid=[10126], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10126
[pid 5074] <... openat resumed>) = 3
[pid 5073] rmdir("./210/file0" <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10113] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10113] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10113] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... close resumed>) = 0
./strace-static-x86_64: Process 10126 attached
[pid 5071] close(4 <unfinished ...>
[pid 5070] rmdir("./206/file0" <unfinished ...>
[pid 10126] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10126] <... set_robust_list resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] rmdir("./207/file0" <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 10126] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10126] <... mmap resumed>) = 0x20000000
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10112] <... write resumed>) = 163840
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10126] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10112] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10126] <... futex resumed>) = 1
[pid 10113] <... futex resumed>) = 0
[pid 10112] <... futex resumed>) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10127
[pid 5073] rmdir("./210" <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] rmdir("./206"./strace-static-x86_64: Process 10127 attached
<unfinished ...>
[pid 10126] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10112] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10111] exit_group(0 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10127] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10125] <... futex resumed>) = ?
[pid 10112] <... futex resumed>) = ?
[pid 10111] <... exit_group resumed>) = ?
[pid 5073] mkdir("./211", 0777 <unfinished ...>
[pid 5071] rmdir("./207" <unfinished ...>
[pid 5070] mkdir("./207", 0777 <unfinished ...>
[pid 10127] <... set_robust_list resumed>) = 0
[pid 10125] +++ exited with 0 +++
[pid 10112] +++ exited with 0 +++
[pid 10111] +++ exited with 0 +++
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10127] chdir("./209" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10111, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5071] mkdir("./208", 0777 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10127] <... chdir resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10127] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 10127] <... prctl resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10127] setpgid(0, 0 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10127] <... setpgid resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... close resumed>) = 0
[pid 10127] <... openat resumed>) = 3
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10127] write(3, "1000", 4 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... close resumed>) = 0
[pid 10127] <... write resumed>) = 4
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10128
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10129
[pid 10127] close(3 <unfinished ...>
[pid 10115] <... write resumed>) = 204800
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
./strace-static-x86_64: Process 10128 attached
[pid 10127] <... close resumed>) = 0
[pid 10115] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10113] exit_group(0 <unfinished ...>
[pid 5072] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10130
./strace-static-x86_64: Process 10129 attached
[pid 10126] <... futex resumed>) = ?
[pid 10115] <... futex resumed>) = ?
[pid 10113] <... exit_group resumed>) = ?
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10129] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10126] +++ exited with 0 +++
[pid 10115] +++ exited with 0 +++
[pid 10113] +++ exited with 0 +++
[pid 5072] lstat("./209/binderfs", ./strace-static-x86_64: Process 10130 attached
<unfinished ...>
[pid 10129] <... set_robust_list resumed>) = 0
[pid 10128] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10127] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10113, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10130] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10129] chdir("./207" <unfinished ...>
[pid 10128] <... set_robust_list resumed>) = 0
[pid 10127] <... symlink resumed>) = 0
[pid 5072] unlink("./209/binderfs" <unfinished ...>
[pid 10130] <... set_robust_list resumed>) = 0
[pid 10129] <... chdir resumed>) = 0
[pid 10128] chdir("./211" <unfinished ...>
[pid 10127] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 10130] chdir("./208" <unfinished ...>
[pid 10129] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10128] <... chdir resumed>) = 0
[pid 10127] <... futex resumed>) = 0
[pid 5075] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10130] <... chdir resumed>) = 0
[pid 10129] <... prctl resumed>) = 0
[pid 10128] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10130] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10129] setpgid(0, 0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10130] <... prctl resumed>) = 0
[pid 10129] <... setpgid resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 10130] setpgid(0, 0 <unfinished ...>
[pid 10129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 10130] <... setpgid resumed>) = 0
[pid 10129] <... openat resumed>) = 3
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10129] write(3, "1000", 4 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 10130] <... openat resumed>) = 3
[pid 10129] <... write resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10128] <... prctl resumed>) = 0
[pid 10130] write(3, "1000", 4 <unfinished ...>
[pid 10129] close(3 <unfinished ...>
[pid 10127] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10128] setpgid(0, 0 <unfinished ...>
[pid 10130] <... write resumed>) = 4
[pid 10129] <... close resumed>) = 0
[pid 10127] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10128] <... setpgid resumed>) = 0
[pid 10130] close(3 <unfinished ...>
[pid 10129] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10127] <... mprotect resumed>) = 0
[pid 5075] lstat("./212/binderfs", <unfinished ...>
[pid 10130] <... close resumed>) = 0
[pid 10129] <... symlink resumed>) = 0
[pid 10128] <... openat resumed>) = 3
[pid 10127] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10130] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10129] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10128] write(3, "1000", 4 <unfinished ...>
[pid 5075] unlink("./212/binderfs" <unfinished ...>
[pid 10130] <... symlink resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10128] <... write resumed>) = 4
[pid 10127] <... clone resumed>, parent_tid=[10131], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10131
[pid 5075] <... unlink resumed>) = 0
[pid 10130] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10128] close(3 <unfinished ...>
[pid 10127] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10128] <... close resumed>) = 0
[pid 10127] <... futex resumed>) = 0
./strace-static-x86_64: Process 10131 attached
[pid 10130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10129] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10128] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10127] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10131] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10130] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10129] <... mprotect resumed>) = 0
[pid 10131] <... set_robust_list resumed>) = 0
[pid 10130] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10129] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10128] <... symlink resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 10131] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10128] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10131] <... memfd_create resumed>) = 3
[pid 10130] <... mprotect resumed>) = 0
[pid 10128] <... futex resumed>) = 0
[pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10130] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10129] <... clone resumed>, parent_tid=[10132], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10132
[pid 10128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10131] <... mmap resumed>) = 0x7fe424ef8000
[pid 10129] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10128] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10130] <... clone resumed>, parent_tid=[10133], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10133
[pid 10129] <... futex resumed>) = 0
[pid 10128] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10133 attached
./strace-static-x86_64: Process 10132 attached
<unfinished ...>
[pid 10131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10128] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5072] lstat("./209/file0", <unfinished ...>
[pid 10133] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10132] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10130] <... futex resumed>) = 0
[pid 10128] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10133] <... set_robust_list resumed>) = 0
[pid 10132] <... set_robust_list resumed>) = 0
[pid 10130] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10128] <... clone resumed>, parent_tid=[10134], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10134
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10133] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10128] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10133] <... memfd_create resumed>) = 3
[pid 10132] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10128] <... futex resumed>) = 0
[pid 5075] lstat("./212/file0", <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 10133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10132] <... memfd_create resumed>) = 3
[pid 10128] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 10133] <... mmap resumed>) = 0x7fe424ef8000
[pid 10132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 5072] rmdir("./209/file0" <unfinished ...>
[pid 10132] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10134 attached
[pid 5075] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] getdents64(3, <unfinished ...>
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5072] <... close resumed>) = 0
[pid 5075] rmdir("./212/file0" <unfinished ...>
[pid 5072] rmdir("./209" <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] mkdir("./210", 0777 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./212" <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] mkdir("./213", 0777 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10134] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10134] memfd_create("syzkaller", 0) = 3
[pid 10134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10135
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10131] <... write resumed>) = 2097152
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10136
[pid 10131] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10131] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 10131] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10135 attached
<unfinished ...>
[pid 10135] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10135] chdir("./210" <unfinished ...>
[pid 10134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10135] <... chdir resumed>) = 0
./strace-static-x86_64: Process 10136 attached
[pid 10135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10136] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10135] setpgid(0, 0 <unfinished ...>
[pid 10133] <... write resumed>) = 2097152
[pid 10131] <... ioctl resumed>) = 0
[pid 10136] <... set_robust_list resumed>) = 0
[pid 10135] <... setpgid resumed>) = 0
[pid 10136] chdir("./213" <unfinished ...>
[pid 10135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10131] close(3 <unfinished ...>
[pid 10136] <... chdir resumed>) = 0
[pid 10135] <... openat resumed>) = 3
[pid 10133] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10132] <... write resumed>) = 2097152
[pid 10131] <... close resumed>) = 0
[pid 10136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10135] write(3, "1000", 4 <unfinished ...>
[pid 10133] <... munmap resumed>) = 0
[pid 10132] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10131] mkdir("./file0", 0777 <unfinished ...>
[pid 10136] <... prctl resumed>) = 0
[pid 10135] <... write resumed>) = 4
[pid 10136] setpgid(0, 0 <unfinished ...>
[pid 10135] close(3 <unfinished ...>
[pid 10136] <... setpgid resumed>) = 0
[pid 10135] <... close resumed>) = 0
[pid 10132] <... munmap resumed>) = 0
[pid 10136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10135] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10136] <... openat resumed>) = 3
[pid 10135] <... symlink resumed>) = 0
[pid 10133] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10132] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10131] <... mkdir resumed>) = 0
[pid 10136] write(3, "1000", 4 <unfinished ...>
[pid 10135] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10136] <... write resumed>) = 4
[pid 10135] <... futex resumed>) = 0
[pid 10133] <... openat resumed>) = 4
[pid 10132] <... openat resumed>) = 4
[pid 10136] close(3 <unfinished ...>
[ 265.892019][T10131] loop4: detected capacity change from 0 to 4096
[ 265.926902][T10133] loop1: detected capacity change from 0 to 4096
[ 265.932501][T10131] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10133] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10131] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10136] <... close resumed>) = 0
[pid 10135] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10132] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10136] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10135] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10133] <... ioctl resumed>) = 0
[pid 10136] <... symlink resumed>) = 0
[pid 10135] <... mprotect resumed>) = 0
[pid 10136] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10135] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10136] <... futex resumed>) = 0
[pid 10136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10135] <... clone resumed>, parent_tid=[10137], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10137
[pid 10136] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10135] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10136] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10135] <... futex resumed>) = 0
[pid 10136] <... mprotect resumed>) = 0
[pid 10135] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10136] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10138], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10138
[pid 10136] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10136] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10137 attached
<unfinished ...>
[pid 10137] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10137] memfd_create("syzkaller", 0./strace-static-x86_64: Process 10138 attached
<unfinished ...>
[pid 10138] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10133] close(3 <unfinished ...>
[pid 10138] <... set_robust_list resumed>) = 0
[pid 10137] <... memfd_create resumed>) = 3
[pid 10138] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10133] <... close resumed>) = 0
[pid 10138] <... memfd_create resumed>) = 3
[pid 10137] <... mmap resumed>) = 0x7fe424ef8000
[pid 10133] mkdir("./file0", 0777 <unfinished ...>
[pid 10138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10134] <... write resumed>) = 2097152
[pid 10133] <... mkdir resumed>) = 0
[pid 10132] <... ioctl resumed>) = 0
[pid 10138] <... mmap resumed>) = 0x7fe424ef8000
[pid 10134] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10133] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10132] close(3 <unfinished ...>
[pid 10134] <... munmap resumed>) = 0
[pid 10132] <... close resumed>) = 0
[pid 10132] mkdir("./file0", 0777) = 0
[pid 10134] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10132] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10134] <... openat resumed>) = 4
[pid 10134] ioctl(4, LOOP_SET_FD, 3) = 0
[ 265.933605][T10132] loop0: detected capacity change from 0 to 4096
[ 265.957226][T10131] NILFS (loop4): trying rollback from an earlier position
[ 265.977876][T10134] loop3: detected capacity change from 0 to 4096
[pid 10137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10134] close(3) = 0
[pid 10134] mkdir("./file0", 0777) = 0
[ 265.998479][T10133] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 266.009739][T10132] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 266.021929][T10133] NILFS (loop1): trying rollback from an earlier position
[ 266.036743][T10131] NILFS (loop4): recovery complete
[pid 10134] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10138] <... write resumed>) = 2097152
[pid 10138] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10137] <... write resumed>) = 2097152
[pid 10138] <... munmap resumed>) = 0
[pid 10137] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10138] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10137] <... munmap resumed>) = 0
[pid 10131] <... mount resumed>) = 0
[pid 10138] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 266.043270][T10134] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 266.051846][T10132] NILFS (loop0): trying rollback from an earlier position
[ 266.062890][T10134] NILFS (loop3): trying rollback from an earlier position
[ 266.073943][T10139] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 266.090606][T10133] NILFS (loop1): recovery complete
[pid 10137] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 10137] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10138] <... ioctl resumed>) = 0
[pid 10131] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10138] close(3 <unfinished ...>
[pid 10131] <... openat resumed>) = 3
[pid 10138] <... close resumed>) = 0
[pid 10131] chdir("./file0" <unfinished ...>
[pid 10138] mkdir("./file0", 0777 <unfinished ...>
[pid 10131] <... chdir resumed>) = 0
[pid 10138] <... mkdir resumed>) = 0
[pid 10131] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10138] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10131] <... ioctl resumed>) = 0
[pid 10131] close(4 <unfinished ...>
[pid 10133] <... mount resumed>) = 0
[pid 10132] <... mount resumed>) = 0
[pid 10131] <... close resumed>) = 0
[pid 10137] <... ioctl resumed>) = 0
[pid 10133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[ 266.092642][T10138] loop5: detected capacity change from 0 to 4096
[ 266.096642][T10132] NILFS (loop0): recovery complete
[ 266.104949][T10137] loop2: detected capacity change from 0 to 4096
[ 266.114369][T10134] NILFS (loop3): recovery complete
[ 266.120790][T10140] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 266.131786][T10141] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10131] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10137] close(3 <unfinished ...>
[pid 10133] <... openat resumed>) = 3
[pid 10132] <... openat resumed>) = 3
[pid 10131] <... futex resumed>) = 1
[pid 10127] <... futex resumed>) = 0
[pid 10133] chdir("./file0" <unfinished ...>
[pid 10132] chdir("./file0" <unfinished ...>
[pid 10131] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10127] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10133] <... chdir resumed>) = 0
[pid 10132] <... chdir resumed>) = 0
[pid 10131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10127] <... futex resumed>) = 0
[pid 10133] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10132] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10131] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10127] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10133] <... ioctl resumed>) = 0
[pid 10132] <... ioctl resumed>) = 0
[pid 10131] <... openat resumed>) = 4
[pid 10133] close(4 <unfinished ...>
[pid 10132] close(4 <unfinished ...>
[pid 10131] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10137] <... close resumed>) = 0
[pid 10134] <... mount resumed>) = 0
[pid 10133] <... close resumed>) = 0
[pid 10132] <... close resumed>) = 0
[pid 10131] <... futex resumed>) = 1
[pid 10127] <... futex resumed>) = 0
[pid 10137] mkdir("./file0", 0777 <unfinished ...>
[pid 10134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10133] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10132] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10131] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10127] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10137] <... mkdir resumed>) = 0
[pid 10134] <... openat resumed>) = 3
[pid 10133] <... futex resumed>) = 1
[pid 10132] <... futex resumed>) = 1
[pid 10131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10127] <... futex resumed>) = 0
[pid 10137] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10134] chdir("./file0" <unfinished ...>
[pid 10133] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10132] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10131] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10127] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10134] <... chdir resumed>) = 0
[pid 10133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 266.144605][T10142] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 266.164990][T10138] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10134] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10133] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10132] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10129] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10134] <... ioctl resumed>) = 0
[pid 10133] <... openat resumed>) = 4
[pid 10132] <... openat resumed>) = 4
[pid 10134] close(4 <unfinished ...>
[pid 10133] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10132] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10134] <... close resumed>) = 0
[pid 10133] <... futex resumed>) = 1
[pid 10132] <... futex resumed>) = 1
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10133] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10132] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10130] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[ 266.193050][T10137] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 266.204540][T10137] NILFS (loop2): trying rollback from an earlier position
[ 266.218759][T10138] NILFS (loop5): trying rollback from an earlier position
[pid 10133] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10132] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10129] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10134] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10127] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10127] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10138] <... mount resumed>) = 0
[pid 10137] <... mount resumed>) = 0
[pid 10134] <... futex resumed>) = 1
[pid 10128] <... futex resumed>) = 0
[pid 10127] <... mprotect resumed>) = 0
[pid 10138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10134] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10128] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10127] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10138] <... openat resumed>) = 3
[pid 10137] <... openat resumed>) = 3
[pid 10128] <... futex resumed>) = 0
[pid 10138] chdir("./file0" <unfinished ...>
[pid 10137] chdir("./file0" <unfinished ...>
[pid 10128] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10127] <... clone resumed>, parent_tid=[10145], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10145
[pid 10134] <... openat resumed>) = 4
[pid 10138] <... chdir resumed>) = 0
[pid 10127] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10137] <... chdir resumed>) = 0
[pid 10134] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10145 attached
<unfinished ...>
[pid 10138] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10137] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10134] <... futex resumed>) = 1
[pid 10128] <... futex resumed>) = 0
[pid 10127] <... futex resumed>) = 0
[pid 10145] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10138] <... ioctl resumed>) = 0
[pid 10137] <... ioctl resumed>) = 0
[pid 10127] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10145] <... set_robust_list resumed>) = 0
[ 266.244186][T10137] NILFS (loop2): recovery complete
[ 266.251952][T10138] NILFS (loop5): recovery complete
[ 266.253347][T10143] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 266.280690][T10144] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10138] close(4 <unfinished ...>
[pid 10137] close(4 <unfinished ...>
[pid 10134] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10128] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10145] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10138] <... close resumed>) = 0
[pid 10145] <... mmap resumed>) = 0x20000000
[pid 10138] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10145] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10138] <... futex resumed>) = 1
[pid 10136] <... futex resumed>) = 0
[pid 10145] <... futex resumed>) = 1
[pid 10138] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10136] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10127] <... futex resumed>) = 0
[pid 10145] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10136] <... futex resumed>) = 0
[pid 10138] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10136] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10137] <... close resumed>) = 0
[pid 10134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10128] <... futex resumed>) = 0
[pid 10130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10134] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10128] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10137] <... futex resumed>) = 1
[pid 10135] <... futex resumed>) = 0
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10135] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10135] <... futex resumed>) = 0
[pid 10130] <... mmap resumed>) = 0x7fe4250d7000
[pid 10129] <... mmap resumed>) = 0x7fe4250d7000
[pid 10135] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10130] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10129] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10130] <... mprotect resumed>) = 0
[pid 10129] <... mprotect resumed>) = 0
[pid 10130] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10129] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10130] <... clone resumed>, parent_tid=[10146], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10146
[pid 10129] <... clone resumed>, parent_tid=[10147], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10147
[pid 10130] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10138] <... openat resumed>) = 4
[pid 10130] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10138] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10137] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10130] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10129] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10138] <... futex resumed>) = 1
[pid 10136] <... futex resumed>) = 0
./strace-static-x86_64: Process 10147 attached
[pid 10138] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10136] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10147] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10136] <... futex resumed>) = 0
[pid 10147] <... set_robust_list resumed>) = 0
[pid 10138] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10137] <... openat resumed>) = 4
[pid 10136] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10146 attached
<unfinished ...>
[pid 10147] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10147] <... mmap resumed>) = 0x20000000
[pid 10146] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10137] <... futex resumed>) = 1
[pid 10135] <... futex resumed>) = 0
[pid 10147] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10135] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10147] <... futex resumed>) = 1
[pid 10146] <... set_robust_list resumed>) = 0
[pid 10137] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10135] <... futex resumed>) = 0
[pid 10129] <... futex resumed>) = 0
[pid 10147] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10135] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10146] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10146] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10130] <... futex resumed>) = 0
[pid 10146] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10128] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10128] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10128] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10148], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10148
[pid 10136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10128] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10136] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10128] <... futex resumed>) = 0
./strace-static-x86_64: Process 10148 attached
[pid 10136] <... futex resumed>) = 0
[pid 10128] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10148] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10148] <... set_robust_list resumed>) = 0
[pid 10136] <... mmap resumed>) = 0x7fe4250d7000
[pid 10136] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10148] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10136] <... mprotect resumed>) = 0
[pid 10135] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10148] <... mmap resumed>) = 0x20000000
[pid 10136] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10135] <... futex resumed>) = 0
[pid 10148] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10148] <... futex resumed>) = 1
[pid 10136] <... clone resumed>, parent_tid=[10149], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10149
[pid 10135] <... mmap resumed>) = 0x7fe4250d7000
[pid 10128] <... futex resumed>) = 0
[pid 10136] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10135] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10149 attached
<unfinished ...>
[pid 10148] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10136] <... futex resumed>) = 0
[pid 10135] <... mprotect resumed>) = 0
[pid 10132] <... write resumed>) = 192512
[pid 10136] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10135] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10132] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10129] exit_group(0 <unfinished ...>
[pid 10149] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10147] <... futex resumed>) = ?
[pid 10132] <... futex resumed>) = ?
[pid 10129] <... exit_group resumed>) = ?
[pid 10149] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10147] +++ exited with 0 +++
[pid 10135] <... clone resumed>, parent_tid=[10150], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10150
[pid 10134] <... write resumed>) = 172032
[pid 10132] +++ exited with 0 +++
[pid 10129] +++ exited with 0 +++
./strace-static-x86_64: Process 10150 attached
[pid 10135] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10134] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10133] <... write resumed>) = 217088
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10129, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 10150] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10149] <... mmap resumed>) = 0x20000000
[pid 10135] <... futex resumed>) = 0
[pid 10134] <... futex resumed>) = 0
[pid 10133] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10128] exit_group(0 <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10150] <... set_robust_list resumed>) = 0
[pid 10149] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10148] <... futex resumed>) = ?
[pid 10135] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10133] <... futex resumed>) = 0
[pid 10130] exit_group(0 <unfinished ...>
[pid 10128] <... exit_group resumed>) = ?
[pid 5070] <... restart_syscall resumed>) = 0
[pid 10150] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10149] <... futex resumed>) = 1
[pid 10148] +++ exited with 0 +++
[pid 10146] <... futex resumed>) = ?
[pid 10136] <... futex resumed>) = 0
[pid 10134] +++ exited with 0 +++
[pid 10130] <... exit_group resumed>) = ?
[pid 10150] <... mmap resumed>) = 0x20000000
[pid 10149] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10146] +++ exited with 0 +++
[pid 10133] +++ exited with 0 +++
[pid 10130] +++ exited with 0 +++
[pid 10128] +++ exited with 0 +++
[pid 10150] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5070] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10150] <... futex resumed>) = 1
[pid 10135] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10150] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10130, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] fstat(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] lstat("./207/binderfs", <unfinished ...>
[pid 5073] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] unlink("./207/binderfs" <unfinished ...>
[pid 5073] lstat("./211/binderfs", <unfinished ...>
[pid 5071] lstat("./208/binderfs", <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] unlink("./211/binderfs" <unfinished ...>
[pid 5071] unlink("./208/binderfs" <unfinished ...>
[pid 10137] <... write resumed>) = 192512
[pid 5073] <... unlink resumed>) = 0
[pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10137] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 10137] <... futex resumed>) = 0
[pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10137] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10135] exit_group(0 <unfinished ...>
[pid 10131] <... write resumed>) = 335872
[pid 10150] <... futex resumed>) = ?
[pid 10137] <... futex resumed>) = ?
[pid 10135] <... exit_group resumed>) = ?
[pid 10131] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10150] +++ exited with 0 +++
[pid 10127] exit_group(0 <unfinished ...>
[pid 10145] <... futex resumed>) = ?
[pid 10127] <... exit_group resumed>) = ?
[pid 10145] +++ exited with 0 +++
[pid 10138] <... write resumed>) = 249856
[pid 10137] +++ exited with 0 +++
[pid 10135] +++ exited with 0 +++
[pid 10131] <... futex resumed>) = ?
[pid 10138] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10138] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10131] +++ exited with 0 +++
[pid 10127] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10127, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10136] exit_group(0 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10135, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5074] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10149] <... futex resumed>) = ?
[pid 10138] <... futex resumed>) = ?
[pid 10136] <... exit_group resumed>) = ?
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10138] +++ exited with 0 +++
[pid 5074] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10149] +++ exited with 0 +++
[pid 5074] lstat("./209/binderfs", <unfinished ...>
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./209/binderfs") = 0
[pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10136] +++ exited with 0 +++
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10136, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5072] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = 0
[pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = 0
[pid 5073] lstat("./211/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./208/file0", <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] rmdir("./211/file0" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5075] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] fstat(3, <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./210/binderfs", <unfinished ...>
[pid 5075] lstat("./213/binderfs", <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./213/binderfs" <unfinished ...>
[pid 5072] unlink("./210/binderfs" <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5075] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] rmdir("./208/file0") = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./211") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] close(3) = 0
[pid 5073] mkdir("./212", 0777 <unfinished ...>
[pid 5071] rmdir("./208") = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] mkdir("./209", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10151
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10152
./strace-static-x86_64: Process 10151 attached
[pid 10151] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10151] chdir("./212") = 0
[pid 10151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10151] setpgid(0, 0) = 0
[pid 10151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10151] write(3, "1000", 4) = 4
[pid 5074] <... umount2 resumed>) = 0
[pid 10151] close(3) = 0
[pid 10151] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10151] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 10152 attached
[pid 10151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10151] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10151] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10152] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10152] <... set_robust_list resumed>) = 0
[pid 10151] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10152] chdir("./209" <unfinished ...>
[pid 5070] lstat("./207/file0", <unfinished ...>
[pid 10152] <... chdir resumed>) = 0
[pid 10151] <... clone resumed>, parent_tid=[10153], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10153
[pid 10151] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10151] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10152] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10153 attached
[pid 10152] <... prctl resumed>) = 0
[pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10153] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10153] memfd_create("syzkaller", 0) = 3
[pid 10153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10152] setpgid(0, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10153] <... mmap resumed>) = 0x7fe424ef8000
[pid 10152] <... setpgid resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 10152] <... openat resumed>) = 3
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10152] write(3, "1000", 4) = 4
[pid 5070] getdents64(4, <unfinished ...>
[pid 10152] close(3 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, <unfinished ...>
[pid 10152] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10152] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10152] <... symlink resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10152] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] rmdir("./207/file0" <unfinished ...>
[pid 10152] <... futex resumed>) = 0
[pid 10152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10152] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5070] getdents64(3, <unfinished ...>
[pid 10152] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10152] <... mprotect resumed>) = 0
[pid 5074] lstat("./209/file0", <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10152] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 10154 attached
<unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10154] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10152] <... clone resumed>, parent_tid=[10154], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10154
[pid 5075] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] rmdir("./207" <unfinished ...>
[pid 10154] <... set_robust_list resumed>) = 0
[pid 10152] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10152] <... futex resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10154] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10152] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./213/file0", <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] lstat("./210/file0", <unfinished ...>
[pid 10154] <... memfd_create resumed>) = 3
[pid 5070] mkdir("./208", 0777 <unfinished ...>
[pid 10153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 10154] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5075] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... openat resumed>) = 4
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10153] <... write resumed>) = 2097152
[pid 5075] <... openat resumed>) = 4
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10153] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] close(3 <unfinished ...>
[pid 10153] <... munmap resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] rmdir("./209/file0" <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10155
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] rmdir("./210/file0" <unfinished ...>
[pid 5075] rmdir("./213/file0" <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] rmdir("./209" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] mkdir("./210", 0777 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
./strace-static-x86_64: Process 10155 attached
[pid 5075] <... close resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] rmdir("./210" <unfinished ...>
[pid 10155] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10153] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5075] rmdir("./213" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... rmdir resumed>) = 0
[pid 10155] <... set_robust_list resumed>) = 0
[pid 10153] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] mkdir("./211", 0777 <unfinished ...>
[pid 10155] chdir("./208" <unfinished ...>
[pid 10154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10153] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] mkdir("./214", 0777 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... mkdir resumed>) = 0
[pid 10155] <... chdir resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10155] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10153] <... ioctl resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10155] <... prctl resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10155] setpgid(0, 0 <unfinished ...>
[pid 10153] close(3 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10155] <... setpgid resumed>) = 0
[pid 10153] <... close resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10156
[pid 5072] close(3 <unfinished ...>
[pid 10155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10155] <... openat resumed>) = 3
[pid 5075] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10155] write(3, "1000", 4 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10155] <... write resumed>) = 4
[pid 10153] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10157
[pid 10155] close(3 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10158
./strace-static-x86_64: Process 10158 attached
[pid 10155] <... close resumed>) = 0
[pid 10153] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 10156 attached
[pid 10155] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10158] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10156] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10155] <... symlink resumed>) = 0
[pid 10153] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10156] <... set_robust_list resumed>) = 0
[pid 10155] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10157 attached
<unfinished ...>
[pid 10156] chdir("./210" <unfinished ...>
[pid 10155] <... futex resumed>) = 0
[pid 10157] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10156] <... chdir resumed>) = 0
[pid 10155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10157] <... set_robust_list resumed>) = 0
[pid 10156] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10155] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10157] chdir("./211" <unfinished ...>
[pid 10156] <... prctl resumed>) = 0
[pid 10155] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10157] <... chdir resumed>) = 0
[pid 10156] setpgid(0, 0 <unfinished ...>
[pid 10155] <... mprotect resumed>) = 0
[pid 10157] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10156] <... setpgid resumed>) = 0
[pid 10155] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10157] <... prctl resumed>) = 0
[pid 10156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10157] setpgid(0, 0 <unfinished ...>
[pid 10156] <... openat resumed>) = 3
[pid 10155] <... clone resumed>, parent_tid=[10159], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10159
[pid 10157] <... setpgid resumed>) = 0
[pid 10156] write(3, "1000", 4 <unfinished ...>
[pid 10155] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10158] <... set_robust_list resumed>) = 0
[pid 10157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10156] <... write resumed>) = 4
[pid 10155] <... futex resumed>) = 0
[pid 10158] chdir("./214" <unfinished ...>
[pid 10157] <... openat resumed>) = 3
[pid 10156] close(3 <unfinished ...>
[pid 10155] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10158] <... chdir resumed>) = 0
[pid 10157] write(3, "1000", 4 <unfinished ...>
[ 266.757536][T10153] loop3: detected capacity change from 0 to 4096
[pid 10156] <... close resumed>) = 0
[pid 10157] <... write resumed>) = 4
[pid 10156] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 10159 attached
<unfinished ...>
[pid 10158] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10157] close(3 <unfinished ...>
[pid 10156] <... symlink resumed>) = 0
[pid 10159] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10158] <... prctl resumed>) = 0
[pid 10157] <... close resumed>) = 0
[pid 10156] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10159] <... set_robust_list resumed>) = 0
[pid 10157] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10156] <... futex resumed>) = 0
[pid 10159] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10157] <... symlink resumed>) = 0
[pid 10156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10159] <... memfd_create resumed>) = 3
[pid 10157] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10156] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10157] <... futex resumed>) = 0
[pid 10156] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10159] <... mmap resumed>) = 0x7fe424ef8000
[pid 10157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10156] <... mprotect resumed>) = 0
[pid 10158] setpgid(0, 0 <unfinished ...>
[pid 10157] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10156] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10158] <... setpgid resumed>) = 0
[pid 10157] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10157] <... mprotect resumed>) = 0
[pid 10156] <... clone resumed>, parent_tid=[10160], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10160
[pid 10158] <... openat resumed>) = 3
[pid 10157] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10158] write(3, "1000", 4 <unfinished ...>
[pid 10156] <... futex resumed>) = 0
[pid 10158] <... write resumed>) = 4
[pid 10157] <... clone resumed>, parent_tid=[10161], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10161
[pid 10156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10158] close(3 <unfinished ...>
[pid 10157] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10160 attached
<unfinished ...>
[pid 10158] <... close resumed>) = 0
[pid 10157] <... futex resumed>) = 0
[pid 10160] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10158] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10157] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10161 attached
<unfinished ...>
[pid 10160] <... set_robust_list resumed>) = 0
[pid 10161] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10160] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10158] <... symlink resumed>) = 0
[pid 10161] <... set_robust_list resumed>) = 0
[pid 10160] <... memfd_create resumed>) = 3
[pid 10158] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10161] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10158] <... futex resumed>) = 0
[pid 10154] <... write resumed>) = 2097152
[pid 10161] <... memfd_create resumed>) = 3
[pid 10160] <... mmap resumed>) = 0x7fe424ef8000
[pid 10161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10160] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10154] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10161] <... mmap resumed>) = 0x7fe424ef8000
[ 266.800562][T10153] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 266.838155][T10153] NILFS (loop3): trying rollback from an earlier position
[pid 10158] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10154] <... munmap resumed>) = 0
[pid 10158] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10154] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid 10158] <... mprotect resumed>) = 0
[pid 10154] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 10158] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10154] close(3 <unfinished ...>
[pid 10158] <... clone resumed>, parent_tid=[10162], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10162
[pid 10158] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10154] <... close resumed>) = 0
[pid 10153] <... mount resumed>) = 0
./strace-static-x86_64: Process 10162 attached
[pid 10162] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10162] memfd_create("syzkaller", 0) = 3
[pid 10162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10158] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10154] mkdir("./file0", 0777 <unfinished ...>
[pid 10153] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10154] <... mkdir resumed>) = 0
[pid 10153] <... openat resumed>) = 3
[pid 10161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[ 266.861228][T10153] NILFS (loop3): recovery complete
[ 266.869962][T10154] loop1: detected capacity change from 0 to 4096
[ 266.882297][T10163] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10154] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10160] <... write resumed>) = 2097152
[pid 10153] chdir("./file0" <unfinished ...>
[pid 10160] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10159] <... write resumed>) = 2097152
[pid 10153] <... chdir resumed>) = 0
[pid 10162] <... write resumed>) = 2097152
[pid 10160] <... munmap resumed>) = 0
[pid 10159] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10153] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10162] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10160] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10159] <... munmap resumed>) = 0
[pid 10153] <... ioctl resumed>) = 0
[pid 10160] <... openat resumed>) = 4
[pid 10162] <... munmap resumed>) = 0
[pid 10160] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10153] close(4) = 0
[pid 10153] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10162] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10159] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10153] <... futex resumed>) = 1
[pid 10151] <... futex resumed>) = 0
[pid 10151] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10153] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10162] <... openat resumed>) = 4
[pid 10159] <... openat resumed>) = 4
[pid 10151] <... futex resumed>) = 0
[ 266.914700][T10154] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 266.937529][T10154] NILFS (loop1): trying rollback from an earlier position
[ 266.956793][T10160] loop4: detected capacity change from 0 to 4096
[pid 10160] <... ioctl resumed>) = 0
[pid 10162] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10159] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10151] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10159] <... ioctl resumed>) = 0
[pid 10153] <... openat resumed>) = 4
[pid 10153] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10151] <... futex resumed>) = 0
[pid 10153] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10151] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10151] <... futex resumed>) = 0
[pid 10153] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10151] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10162] <... ioctl resumed>) = 0
[pid 10161] <... write resumed>) = 2097152
[pid 10160] close(3 <unfinished ...>
[pid 10159] close(3 <unfinished ...>
[pid 10160] <... close resumed>) = 0
[pid 10162] close(3 <unfinished ...>
[pid 10161] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10159] <... close resumed>) = 0
[pid 10162] <... close resumed>) = 0
[pid 10160] mkdir("./file0", 0777 <unfinished ...>
[pid 10162] mkdir("./file0", 0777 <unfinished ...>
[pid 10161] <... munmap resumed>) = 0
[pid 10160] <... mkdir resumed>) = 0
[pid 10159] mkdir("./file0", 0777 <unfinished ...>
[pid 10162] <... mkdir resumed>) = 0
[pid 10161] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10160] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10159] <... mkdir resumed>) = 0
[pid 10161] <... openat resumed>) = 4
[pid 10162] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10161] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 266.967952][T10159] loop0: detected capacity change from 0 to 4096
[ 266.974817][T10162] loop5: detected capacity change from 0 to 4096
[ 267.002336][T10154] NILFS (loop1): recovery complete
[pid 10159] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10151] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10151] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10151] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10165], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10165
[pid 10151] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10151] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10165 attached
<unfinished ...>
[pid 10165] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10165] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10154] <... mount resumed>) = 0
[pid 10154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10165] <... mmap resumed>) = 0x20000000
[pid 10154] <... openat resumed>) = 3
[pid 10165] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10154] chdir("./file0" <unfinished ...>
[pid 10165] <... futex resumed>) = 1
[pid 10154] <... chdir resumed>) = 0
[pid 10151] <... futex resumed>) = 0
[pid 10165] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10154] ioctl(4, LOOP_CLR_FD) = 0
[ 267.020038][T10161] loop2: detected capacity change from 0 to 4096
[ 267.020227][T10160] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 267.036521][T10164] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 267.052276][T10160] NILFS (loop4): trying rollback from an earlier position
[ 267.052942][T10159] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10154] close(4) = 0
[pid 10154] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10152] <... futex resumed>) = 0
[pid 10154] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10152] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10152] <... futex resumed>) = 0
[pid 10154] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10152] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10161] <... ioctl resumed>) = 0
[pid 10154] <... openat resumed>) = 4
[pid 10161] close(3 <unfinished ...>
[pid 10154] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10161] <... close resumed>) = 0
[pid 10154] <... futex resumed>) = 1
[pid 10152] <... futex resumed>) = 0
[pid 10161] mkdir("./file0", 0777 <unfinished ...>
[pid 10154] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10152] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10152] <... futex resumed>) = 0
[ 267.070108][T10162] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10154] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10152] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10161] <... mkdir resumed>) = 0
[pid 10161] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10153] <... write resumed>) = 241664
[pid 10153] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 267.113265][T10162] NILFS (loop5): trying rollback from an earlier position
[ 267.124927][T10160] NILFS (loop4): recovery complete
[ 267.129832][T10161] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 267.142456][T10159] NILFS (loop0): trying rollback from an earlier position
[ 267.147349][T10161] NILFS (loop2): trying rollback from an earlier position
[pid 10153] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10151] exit_group(0 <unfinished ...>
[pid 10165] <... futex resumed>) = ?
[pid 10151] <... exit_group resumed>) = ?
[pid 10165] +++ exited with 0 +++
[pid 10160] <... mount resumed>) = 0
[pid 10152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10152] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10160] <... openat resumed>) = 3
[pid 10152] <... futex resumed>) = 0
[pid 10160] chdir("./file0" <unfinished ...>
[pid 10152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10160] <... chdir resumed>) = 0
[pid 10152] <... mmap resumed>) = 0x7fe4250d7000
[pid 10160] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10152] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10160] <... ioctl resumed>) = 0
[pid 10153] <... futex resumed>) = ?
[pid 10152] <... mprotect resumed>) = 0
[pid 10160] close(4 <unfinished ...>
[pid 10152] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10162] <... mount resumed>) = 0
[pid 10160] <... close resumed>) = 0
[pid 10153] +++ exited with 0 +++
[pid 10151] +++ exited with 0 +++
[pid 10160] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10152] <... clone resumed>, parent_tid=[10168], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10168
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10151, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10160] <... futex resumed>) = 1
[pid 10156] <... futex resumed>) = 0
[pid 10152] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10160] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10152] <... futex resumed>) = 0
./strace-static-x86_64: Process 10168 attached
[pid 10162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10156] <... futex resumed>) = 0
[pid 10152] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10168] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10160] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10168] <... set_robust_list resumed>) = 0
[pid 10162] <... openat resumed>) = 3
[ 267.164170][T10166] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 267.178175][T10162] NILFS (loop5): recovery complete
[ 267.192526][T10167] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10168] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10162] chdir("./file0" <unfinished ...>
[pid 10160] <... openat resumed>) = 4
[pid 5073] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10168] <... mmap resumed>) = 0x20000000
[pid 10162] <... chdir resumed>) = 0
[pid 10160] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10168] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10160] <... futex resumed>) = 1
[pid 10156] <... futex resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10168] <... futex resumed>) = 1
[pid 10160] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10156] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10152] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10168] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10162] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10156] <... futex resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 10160] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10156] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10162] <... ioctl resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 10162] close(4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10162] <... close resumed>) = 0
[pid 10161] <... mount resumed>) = 0
[pid 5073] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./212/binderfs") = 0
[pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10162] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10158] <... futex resumed>) = 0
[pid 10162] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10161] <... openat resumed>) = 3
[pid 10158] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10154] <... write resumed>) = 208896
[pid 10162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10161] chdir("./file0" <unfinished ...>
[pid 10158] <... futex resumed>) = 0
[pid 10154] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10152] exit_group(0 <unfinished ...>
[pid 10168] <... futex resumed>) = ?
[pid 10162] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10161] <... chdir resumed>) = 0
[pid 10158] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10154] <... futex resumed>) = ?
[ 267.218258][T10159] NILFS (loop0): recovery complete
[ 267.227248][T10161] NILFS (loop2): recovery complete
[ 267.256059][T10169] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10152] <... exit_group resumed>) = ?
[pid 10168] +++ exited with 0 +++
[pid 10162] <... openat resumed>) = 4
[pid 10161] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10159] <... mount resumed>) = 0
[pid 10156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10154] +++ exited with 0 +++
[pid 10152] +++ exited with 0 +++
[pid 10162] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10161] <... ioctl resumed>) = 0
[pid 10159] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10156] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10152, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 10162] <... futex resumed>) = 1
[pid 10161] close(4 <unfinished ...>
[pid 10159] <... openat resumed>) = 3
[pid 10158] <... futex resumed>) = 0
[pid 10156] <... futex resumed>) = 0
[pid 10162] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10161] <... close resumed>) = 0
[pid 10159] chdir("./file0" <unfinished ...>
[pid 10158] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10161] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10159] <... chdir resumed>) = 0
[pid 10158] <... futex resumed>) = 0
[pid 10156] <... mmap resumed>) = 0x7fe4250d7000
[pid 10162] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10161] <... futex resumed>) = 1
[pid 10159] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10158] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10157] <... futex resumed>) = 0
[pid 10156] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10161] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10159] <... ioctl resumed>) = 0
[pid 10157] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10156] <... mprotect resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10159] close(4 <unfinished ...>
[pid 10157] <... futex resumed>) = 0
[pid 10156] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10161] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10159] <... close resumed>) = 0
[pid 10157] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 10159] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10156] <... clone resumed>, parent_tid=[10171], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10171
[pid 5071] fstat(3, <unfinished ...>
[pid 10161] <... openat resumed>) = 4
[pid 10159] <... futex resumed>) = 1
[pid 10156] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10155] <... futex resumed>) = 0
./strace-static-x86_64: Process 10171 attached
[pid 10161] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10159] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10156] <... futex resumed>) = 0
[pid 10155] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10171] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10161] <... futex resumed>) = 1
[pid 10159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10157] <... futex resumed>) = 0
[pid 10156] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10155] <... futex resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 10171] <... set_robust_list resumed>) = 0
[pid 10161] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10159] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10157] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10155] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[ 267.288505][T10170] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10171] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10157] <... futex resumed>) = 0
[pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10171] <... mmap resumed>) = 0x20000000
[pid 10161] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10157] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10171] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10156] <... futex resumed>) = 0
[pid 10171] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./209/binderfs") = 0
[pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10159] <... openat resumed>) = 4
[pid 10159] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10155] <... futex resumed>) = 0
[pid 10159] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10155] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10155] <... futex resumed>) = 0
[pid 10159] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10155] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10158] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10158] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10158] <... mprotect resumed>) = 0
[pid 5073] lstat("./212/file0", <unfinished ...>
[pid 10158] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10158] <... clone resumed>, parent_tid=[10172], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10172
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10158] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10158] <... futex resumed>) = 0
[pid 10157] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 10158] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10157] <... futex resumed>) = 0
[pid 10157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10157] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10157] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10173], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10173
[pid 10157] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10157] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10155] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10173 attached
) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10173] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10173] <... set_robust_list resumed>) = 0
[pid 10155] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] getdents64(4, <unfinished ...>
[pid 10155] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10155] <... mprotect resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 10173] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10155] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 10172 attached
[pid 10173] <... mmap resumed>) = 0x20000000
[pid 5073] close(4 <unfinished ...>
[pid 10172] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10155] <... clone resumed>, parent_tid=[10174], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10174
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 10174 attached
[pid 10173] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10172] <... set_robust_list resumed>) = 0
[pid 10155] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./212/file0" <unfinished ...>
[pid 10174] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10173] <... futex resumed>) = 1
[pid 10172] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10161] <... write resumed>) = 110592
[pid 10160] <... write resumed>) = 200704
[pid 10158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10157] <... futex resumed>) = 0
[pid 10155] <... futex resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 10174] <... set_robust_list resumed>) = 0
[pid 10173] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10160] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10155] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10172] <... mmap resumed>) = 0x20000000
[pid 10174] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10172] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10161] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10160] <... futex resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 10174] <... mmap resumed>) = 0x20000000
[pid 10160] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10161] <... futex resumed>) = 0
[pid 10172] <... futex resumed>) = 0
[pid 10156] exit_group(0 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10172] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10171] <... futex resumed>) = ?
[pid 10161] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10160] <... futex resumed>) = ?
[pid 10157] exit_group(0 <unfinished ...>
[pid 10156] <... exit_group resumed>) = ?
[pid 5073] close(3 <unfinished ...>
[pid 10174] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10173] <... futex resumed>) = ?
[pid 10171] +++ exited with 0 +++
[pid 10161] <... futex resumed>) = ?
[pid 10160] +++ exited with 0 +++
[pid 10157] <... exit_group resumed>) = ?
[pid 10156] +++ exited with 0 +++
[pid 5073] <... close resumed>) = 0
[pid 10174] <... futex resumed>) = 1
[pid 10173] +++ exited with 0 +++
[pid 10161] +++ exited with 0 +++
[pid 10157] +++ exited with 0 +++
[pid 10155] <... futex resumed>) = 0
[pid 5073] rmdir("./212" <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10174] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10156, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10157, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] mkdir("./213", 0777 <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] <... restart_syscall resumed>) = 0
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] lstat("./209/file0", <unfinished ...>
[pid 5074] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] close(3 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 5074] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] fstat(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10175
[pid 5072] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10162] <... write resumed>) = 188416
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10162] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10162] <... futex resumed>) = 0
[pid 5074] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 10162] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... close resumed>) = 0
[pid 10158] exit_group(0 <unfinished ...>
[pid 5074] lstat("./210/binderfs", <unfinished ...>
[pid 5072] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./209/file0" <unfinished ...>
[pid 10172] <... futex resumed>) = ?
[pid 10162] <... futex resumed>) = ?
[pid 10158] <... exit_group resumed>) = ?
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... rmdir resumed>) = 0
[pid 10172] +++ exited with 0 +++
[pid 10162] +++ exited with 0 +++
[pid 10158] +++ exited with 0 +++
[pid 5074] unlink("./210/binderfs" <unfinished ...>
[pid 5072] lstat("./211/binderfs", <unfinished ...>
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10158, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5074] <... unlink resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] unlink("./211/binderfs" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5071] rmdir("./209" <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5071] mkdir("./210", 0777 <unfinished ...>
[pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10176
./strace-static-x86_64: Process 10176 attached
[pid 10176] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5075] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, <unfinished ...>
[pid 10176] chdir("./210" <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10176] <... chdir resumed>) = 0
[pid 10176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10176] setpgid(0, 0 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 10176] <... setpgid resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] unlink("./214/binderfs" <unfinished ...>
[pid 10176] <... openat resumed>) = 3
[pid 10176] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 10176] <... write resumed>) = 4
[pid 10176] close(3) = 0
[pid 5075] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10176] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10176] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10176] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10176] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10177], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10177
[pid 10176] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10176] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10177 attached
<unfinished ...>
[pid 10177] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10177] memfd_create("syzkaller", 0) = 3
[pid 10177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10175 attached
[pid 10175] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10175] chdir("./213") = 0
[pid 10175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10175] setpgid(0, 0) = 0
[pid 10175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10175] write(3, "1000", 4) = 4
[pid 10175] close(3) = 0
[pid 10177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10175] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10175] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 10175] <... futex resumed>) = 0
[pid 10175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10175] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10175] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 10175] <... clone resumed>, parent_tid=[10178], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10178
[pid 10175] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10175] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10159] <... write resumed>) = 192512
[pid 10159] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10159] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10155] exit_group(0 <unfinished ...>
[pid 10174] <... futex resumed>) = ?
[pid 10159] <... futex resumed>) = ?
[pid 10155] <... exit_group resumed>) = ?
[pid 10174] +++ exited with 0 +++
[pid 10159] +++ exited with 0 +++
[pid 10155] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10155, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10178 attached
[pid 10177] <... write resumed>) = 2097152
[pid 5075] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] lstat("./211/file0", <unfinished ...>
[pid 10178] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10177] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10177] <... munmap resumed>) = 0
[pid 5075] lstat("./214/file0", <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] lstat("./210/file0", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5075] <... openat resumed>) = 4
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 10178] <... set_robust_list resumed>) = 0
[pid 10177] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] rmdir("./214/file0" <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5070] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] close(4 <unfinished ...>
[pid 5072] rmdir("./211/file0" <unfinished ...>
[pid 5070] lstat("./208/binderfs", <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] rmdir("./210/file0" <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10178] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] unlink("./208/binderfs" <unfinished ...>
[pid 10177] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 10178] <... memfd_create resumed>) = 3
[pid 10177] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] rmdir("./214" <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5072] rmdir("./211" <unfinished ...>
[pid 10178] <... mmap resumed>) = 0x7fe424ef8000
[pid 10177] <... ioctl resumed>) = 0
[pid 5075] mkdir("./215", 0777 <unfinished ...>
[pid 5074] rmdir("./210" <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 10177] close(3 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] mkdir("./212", 0777 <unfinished ...>
[pid 10177] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5074] mkdir("./211", 0777 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 10177] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10177] <... mkdir resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[ 267.652576][T10177] loop1: detected capacity change from 0 to 4096
[pid 10177] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... openat resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] <... close resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] close(3 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10179
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10180
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10181
./strace-static-x86_64: Process 10179 attached
./strace-static-x86_64: Process 10181 attached
[pid 10179] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10181] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10179] <... set_robust_list resumed>) = 0
[pid 10179] chdir("./215" <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10181] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 10180 attached
[pid 10181] chdir("./211" <unfinished ...>
[pid 10179] <... chdir resumed>) = 0
[pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10181] <... chdir resumed>) = 0
[pid 10180] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10179] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10181] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10179] <... prctl resumed>) = 0
[pid 10181] <... prctl resumed>) = 0
[pid 10179] setpgid(0, 0 <unfinished ...>
[pid 10181] setpgid(0, 0 <unfinished ...>
[pid 10179] <... setpgid resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10181] <... setpgid resumed>) = 0
[pid 10179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10179] <... openat resumed>) = 3
[pid 5070] lstat("./208/file0", <unfinished ...>
[pid 10181] <... openat resumed>) = 3
[pid 10179] write(3, "1000", 4 <unfinished ...>
[pid 10181] write(3, "1000", 4 <unfinished ...>
[pid 10179] <... write resumed>) = 4
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10181] <... write resumed>) = 4
[pid 10179] close(3 <unfinished ...>
[pid 10181] close(3 <unfinished ...>
[pid 10179] <... close resumed>) = 0
[pid 10181] <... close resumed>) = 0
[pid 10179] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10180] <... set_robust_list resumed>) = 0
[pid 10181] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10179] <... symlink resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10181] <... symlink resumed>) = 0
[pid 10180] chdir("./212" <unfinished ...>
[pid 10179] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10181] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10179] <... futex resumed>) = 0
[pid 10181] <... futex resumed>) = 0
[pid 10180] <... chdir resumed>) = 0
[pid 10179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10180] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10179] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10181] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10179] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 10181] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10180] <... prctl resumed>) = 0
[pid 10179] <... mprotect resumed>) = 0
[pid 10181] <... mprotect resumed>) = 0
[pid 10179] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10180] setpgid(0, 0 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10181] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10180] <... setpgid resumed>) = 0
[pid 10179] <... clone resumed>, parent_tid=[10182], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10182
[pid 5070] getdents64(4, <unfinished ...>
[pid 10181] <... clone resumed>, parent_tid=[10183], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10183
[pid 10179] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10181] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10179] <... futex resumed>) = 0
[pid 10181] <... futex resumed>) = 0
[ 267.700972][T10177] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 10179] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10181] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 10183 attached
[pid 10183] set_robust_list(0x7fe42d3189e0, 24) = 0
./strace-static-x86_64: Process 10182 attached
[pid 10180] <... openat resumed>) = 3
[pid 5070] getdents64(4, <unfinished ...>
[pid 10183] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10180] write(3, "1000", 4 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10183] <... memfd_create resumed>) = 3
[pid 10183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10180] <... write resumed>) = 4
[pid 5070] close(4 <unfinished ...>
[pid 10183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10182] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10180] close(3 <unfinished ...>
[pid 10182] <... set_robust_list resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10180] <... close resumed>) = 0
[pid 10182] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10180] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5070] rmdir("./208/file0" <unfinished ...>
[pid 10182] <... memfd_create resumed>) = 3
[pid 10180] <... symlink resumed>) = 0
[pid 10182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10182] <... mmap resumed>) = 0x7fe424ef8000
[pid 10180] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10178] <... write resumed>) = 2097152
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10180] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10180] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10178] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10180] <... mprotect resumed>) = 0
[pid 10178] <... munmap resumed>) = 0
[pid 5070] rmdir("./208" <unfinished ...>
[pid 10180] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10178] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10180] <... clone resumed>, parent_tid=[10184], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10184
[pid 10178] <... openat resumed>) = 4
[pid 10180] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[ 267.751491][T10177] NILFS (loop1): trying rollback from an earlier position
[pid 10178] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] mkdir("./209", 0777 <unfinished ...>
[pid 10180] <... futex resumed>) = 0
[pid 10180] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10185
./strace-static-x86_64: Process 10184 attached
[pid 10184] set_robust_list(0x7fe42d3189e0, 24) = 0
./strace-static-x86_64: Process 10185 attached
[pid 10184] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10185] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10178] <... ioctl resumed>) = 0
[pid 10184] <... memfd_create resumed>) = 3
[pid 10185] <... set_robust_list resumed>) = 0
[pid 10178] close(3 <unfinished ...>
[pid 10185] chdir("./209" <unfinished ...>
[pid 10178] <... close resumed>) = 0
[pid 10185] <... chdir resumed>) = 0
[pid 10184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10178] mkdir("./file0", 0777 <unfinished ...>
[pid 10185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10184] <... mmap resumed>) = 0x7fe424ef8000
[pid 10178] <... mkdir resumed>) = 0
[pid 10185] <... prctl resumed>) = 0
[pid 10178] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10185] setpgid(0, 0) = 0
[pid 10185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10185] write(3, "1000", 4) = 4
[pid 10185] close(3 <unfinished ...>
[pid 10182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10185] <... close resumed>) = 0
[pid 10185] symlink("/dev/binderfs", "./binderfs") = 0
[ 267.795204][T10178] loop3: detected capacity change from 0 to 4096
[ 267.815141][T10177] NILFS (loop1): recovery complete
[pid 10185] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10183] <... write resumed>) = 2097152
[pid 10185] <... futex resumed>) = 0
[pid 10185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10177] <... mount resumed>) = 0
[pid 10185] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10185] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10177] <... openat resumed>) = 3
[pid 10185] <... mprotect resumed>) = 0
[pid 10177] chdir("./file0" <unfinished ...>
[pid 10185] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10177] <... chdir resumed>) = 0
[pid 10177] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10185] <... clone resumed>, parent_tid=[10187], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10187
[pid 10177] <... ioctl resumed>) = 0
[pid 10185] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10177] close(4 <unfinished ...>
[pid 10185] <... futex resumed>) = 0
[pid 10177] <... close resumed>) = 0
[pid 10185] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10177] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10176] <... futex resumed>) = 0
[pid 10177] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10176] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10176] <... futex resumed>) = 0
./strace-static-x86_64: Process 10187 attached
[pid 10177] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10176] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10187] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10187] memfd_create("syzkaller", 0) = 3
[pid 10187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10183] munmap(0x7fe424ef8000, 2097152) = 0
[ 267.858422][T10186] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 267.868076][T10178] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 10183] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 10183] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 10183] close(3) = 0
[pid 10183] mkdir("./file0", 0777 <unfinished ...>
[pid 10176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10183] <... mkdir resumed>) = 0
[pid 10176] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10177] <... openat resumed>) = 4
[pid 10177] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10176] <... futex resumed>) = 0
[pid 10177] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10182] <... write resumed>) = 2097152
[pid 10176] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10183] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10182] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10176] <... mprotect resumed>) = 0
[pid 10182] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10176] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10182] <... openat resumed>) = 4
[pid 10182] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10176] <... clone resumed>, parent_tid=[10188], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10188
[ 267.900553][T10178] NILFS (loop3): trying rollback from an earlier position
[ 267.910212][T10183] loop4: detected capacity change from 0 to 4096
[pid 10176] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10176] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10188 attached
<unfinished ...>
[pid 10182] <... ioctl resumed>) = 0
[pid 10188] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10182] close(3 <unfinished ...>
[pid 10188] <... set_robust_list resumed>) = 0
[pid 10182] <... close resumed>) = 0
[pid 10188] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10182] mkdir("./file0", 0777) = 0
[pid 10182] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10187] <... write resumed>) = 2097152
[pid 10187] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10184] <... write resumed>) = 2097152
[pid 10184] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10184] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[ 267.956948][T10182] loop5: detected capacity change from 0 to 4096
[ 267.963553][T10178] NILFS (loop3): recovery complete
[ 267.977992][T10183] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 267.996854][T10182] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10184] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10187] <... munmap resumed>) = 0
[pid 10176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10176] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10177] <... futex resumed>) = 0
[pid 10176] <... futex resumed>) = 1
[pid 10177] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10176] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10177] <... mmap resumed>) = 0x20000000
[pid 10177] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10176] <... futex resumed>) = 0
[pid 10177] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10187] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10184] <... ioctl resumed>) = 0
[pid 10187] <... openat resumed>) = 4
[pid 10187] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10184] close(3 <unfinished ...>
[pid 10178] <... mount resumed>) = 0
[pid 10184] <... close resumed>) = 0
[pid 10184] mkdir("./file0", 0777) = 0
[pid 10178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10188] <... write resumed>) = 98304
[ 268.001799][T10184] loop2: detected capacity change from 0 to 4096
[ 268.006725][T10182] NILFS (loop5): trying rollback from an earlier position
[ 268.017045][T10183] NILFS (loop4): trying rollback from an earlier position
[ 268.028940][T10182] NILFS (loop5): recovery complete
[ 268.033580][T10187] loop0: detected capacity change from 0 to 4096
[ 268.040916][T10189] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 268.047151][T10183] NILFS (loop4): recovery complete
[pid 10188] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10187] <... ioctl resumed>) = 0
[pid 10184] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10182] <... mount resumed>) = 0
[pid 10188] <... futex resumed>) = 0
[pid 10187] close(3 <unfinished ...>
[pid 10188] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10187] <... close resumed>) = 0
[pid 10187] mkdir("./file0", 0777) = 0
[pid 10187] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10178] <... openat resumed>) = 3
[pid 10182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10176] exit_group(0 <unfinished ...>
[pid 10178] chdir("./file0") = 0
[pid 10178] ioctl(4, LOOP_CLR_FD) = 0
[pid 10178] close(4 <unfinished ...>
[pid 10188] <... futex resumed>) = ?
[pid 10182] <... openat resumed>) = 3
[pid 10178] <... close resumed>) = 0
[pid 10176] <... exit_group resumed>) = ?
[pid 10188] +++ exited with 0 +++
[pid 10178] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10175] <... futex resumed>) = 0
[pid 10178] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10177] <... futex resumed>) = ?
[pid 10175] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10177] +++ exited with 0 +++
[pid 10176] +++ exited with 0 +++
[pid 10175] <... futex resumed>) = 1
[pid 10178] <... futex resumed>) = 0
[pid 10175] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10182] chdir("./file0" <unfinished ...>
[pid 10178] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10182] <... chdir resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10176, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 10182] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10182] <... ioctl resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10182] close(4 <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10182] <... close resumed>) = 0
[pid 10178] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 3
[pid 10182] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10178] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10182] <... futex resumed>) = 1
[pid 10179] <... futex resumed>) = 0
[pid 10178] <... futex resumed>) = 1
[pid 10175] <... futex resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10182] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10179] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10178] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10175] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 268.058467][T10190] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 268.089803][T10184] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 268.100118][T10187] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10178] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10179] <... futex resumed>) = 0
[pid 10175] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10182] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10179] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10175] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./210/binderfs" <unfinished ...>
[pid 10183] <... mount resumed>) = 0
[pid 10182] <... openat resumed>) = 4
[pid 5071] <... unlink resumed>) = 0
[pid 10183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10183] chdir("./file0") = 0
[pid 10183] ioctl(4, LOOP_CLR_FD) = 0
[pid 10183] close(4 <unfinished ...>
[pid 10182] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10183] <... close resumed>) = 0
[pid 10183] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10183] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10182] <... futex resumed>) = 1
[pid 10181] <... futex resumed>) = 0
[pid 10179] <... futex resumed>) = 0
[pid 10182] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10181] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10179] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10182] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10181] <... futex resumed>) = 1
[pid 10179] <... futex resumed>) = 0
[pid 10183] <... futex resumed>) = 0
[pid 10183] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10181] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10179] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 268.108911][T10184] NILFS (loop2): trying rollback from an earlier position
[ 268.116484][T10187] NILFS (loop0): trying rollback from an earlier position
[ 268.130568][T10191] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 268.144486][T10187] NILFS (loop0): recovery complete
[ 268.150429][T10184] NILFS (loop2): recovery complete
[pid 10187] <... mount resumed>) = 0
[pid 10175] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10187] <... openat resumed>) = 3
[pid 10175] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10187] chdir("./file0") = 0
[pid 10175] <... mprotect resumed>) = 0
[pid 10175] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10187] ioctl(4, LOOP_CLR_FD) = 0
[pid 10187] close(4 <unfinished ...>
[pid 10175] <... clone resumed>, parent_tid=[10194], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10194
[pid 10187] <... close resumed>) = 0
[pid 10175] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10187] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10175] <... futex resumed>) = 0
[pid 10185] <... futex resumed>) = 0
[pid 10175] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10187] <... futex resumed>) = 1
[pid 10185] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10187] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10185] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10184] <... mount resumed>) = 0
[pid 10183] <... openat resumed>) = 4
[pid 10184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10183] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] <... openat resumed>) = 3
[pid 10183] <... futex resumed>) = 1
[pid 10181] <... futex resumed>) = 0
[pid 10184] chdir("./file0" <unfinished ...>
[pid 10183] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10181] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] <... chdir resumed>) = 0
[pid 10183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10181] <... futex resumed>) = 0
[pid 10179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10184] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10183] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10181] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10179] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10194 attached
<unfinished ...>
[pid 10184] <... ioctl resumed>) = 0
[pid 10179] <... futex resumed>) = 0
[pid 10194] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10187] <... openat resumed>) = 4
[pid 10184] close(4 <unfinished ...>
[pid 10179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10194] <... set_robust_list resumed>) = 0
[pid 10187] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] <... close resumed>) = 0
[pid 10179] <... mmap resumed>) = 0x7fe4250d7000
[pid 10194] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10179] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10194] <... mmap resumed>) = 0x20000000
[pid 10179] <... mprotect resumed>) = 0
[pid 10194] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10179] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10187] <... futex resumed>) = 1
[pid 10185] <... futex resumed>) = 0
[pid 10184] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10194] <... futex resumed>) = 0
[pid 10187] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10185] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] <... futex resumed>) = 1
[pid 10180] <... futex resumed>) = 0
[pid 10187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10185] <... futex resumed>) = 0
[pid 10184] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10180] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10179] <... clone resumed>, parent_tid=[10195], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10195
./strace-static-x86_64: Process 10195 attached
[ 268.177038][T10193] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 268.193932][T10192] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10194] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10187] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10185] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10180] <... futex resumed>) = 0
[pid 10179] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10195] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10179] <... futex resumed>) = 0
[pid 10195] <... set_robust_list resumed>) = 0
[pid 10179] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10195] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10195] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10184] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10180] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] lstat("./210/file0", <unfinished ...>
[pid 10195] <... futex resumed>) = 1
[pid 10179] <... futex resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10195] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10184] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10184] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 10184] <... futex resumed>) = 1
[pid 10180] <... futex resumed>) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 10184] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10180] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10180] <... futex resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 10184] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10180] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10181] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10181] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 10181] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... close resumed>) = 0
[pid 10181] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] rmdir("./210/file0" <unfinished ...>
[pid 10181] <... mprotect resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10181] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10181] <... clone resumed>, parent_tid=[10196], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10196
[pid 5071] close(3 <unfinished ...>
[pid 10181] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10181] <... futex resumed>) = 0
[pid 5071] rmdir("./210" <unfinished ...>
[pid 10181] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10196 attached
[pid 5071] mkdir("./211", 0777 <unfinished ...>
[pid 10196] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 10196] <... set_robust_list resumed>) = 0
[pid 10185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10178] <... write resumed>) = 208896
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10196] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10185] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10178] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 10196] <... mmap resumed>) = 0x20000000
[pid 10185] <... futex resumed>) = 0
[pid 10178] <... futex resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10196] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10178] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10196] <... futex resumed>) = 1
[pid 10185] <... mmap resumed>) = 0x7fe4250d7000
[pid 10181] <... futex resumed>) = 0
[pid 10175] exit_group(0 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10196] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10194] <... futex resumed>) = ?
[pid 10185] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10178] <... futex resumed>) = ?
[pid 10175] <... exit_group resumed>) = ?
[pid 5071] <... close resumed>) = 0
[pid 10194] +++ exited with 0 +++
[pid 10185] <... mprotect resumed>) = 0
[pid 10180] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10178] +++ exited with 0 +++
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10185] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10180] <... futex resumed>) = 0
[pid 10175] +++ exited with 0 +++
[pid 10180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10175, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10197
[pid 10185] <... clone resumed>, parent_tid=[10198], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10198
[pid 10180] <... mmap resumed>) = 0x7fe4250d7000
./strace-static-x86_64: Process 10198 attached
./strace-static-x86_64: Process 10197 attached
[pid 10185] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10180] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10198] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10197] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10185] <... futex resumed>) = 0
[pid 10180] <... mprotect resumed>) = 0
[pid 5073] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10198] <... set_robust_list resumed>) = 0
[pid 10197] <... set_robust_list resumed>) = 0
[pid 10185] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10180] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10198] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10197] chdir("./211" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10198] <... mmap resumed>) = 0x20000000
[pid 10197] <... chdir resumed>) = 0
[pid 10180] <... clone resumed>, parent_tid=[10199], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10199
[pid 5073] <... openat resumed>) = 3
[pid 10198] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10197] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10180] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10197] <... prctl resumed>) = 0
[pid 10198] <... futex resumed>) = 1
[pid 10197] setpgid(0, 0 <unfinished ...>
[pid 10185] <... futex resumed>) = 0
[pid 10180] <... futex resumed>) = 0
[pid 5073] fstat(3, <unfinished ...>
[pid 10197] <... setpgid resumed>) = 0
[pid 10180] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5073] getdents64(3, ./strace-static-x86_64: Process 10199 attached
<unfinished ...>
[pid 10198] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10197] <... openat resumed>) = 3
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10199] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10197] write(3, "1000", 4 <unfinished ...>
[pid 5073] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10199] <... set_robust_list resumed>) = 0
[pid 10197] <... write resumed>) = 4
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10199] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10197] close(3 <unfinished ...>
[pid 10183] <... write resumed>) = 208896
[pid 5073] lstat("./213/binderfs", <unfinished ...>
[pid 10197] <... close resumed>) = 0
[pid 10183] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10199] <... mmap resumed>) = 0x20000000
[pid 10199] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10197] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10187] <... write resumed>) = 229376
[pid 10183] <... futex resumed>) = 0
[pid 10182] <... write resumed>) = 274432
[pid 10181] exit_group(0 <unfinished ...>
[pid 5073] unlink("./213/binderfs" <unfinished ...>
[pid 10199] <... futex resumed>) = 1
[pid 10197] <... symlink resumed>) = 0
[pid 10196] <... futex resumed>) = ?
[pid 10187] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10182] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10181] <... exit_group resumed>) = ?
[pid 10180] <... futex resumed>) = 0
[pid 10179] exit_group(0 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 10199] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10197] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10196] +++ exited with 0 +++
[pid 10187] <... futex resumed>) = 0
[pid 10185] exit_group(0 <unfinished ...>
[pid 10183] +++ exited with 0 +++
[pid 10182] <... futex resumed>) = 0
[pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10198] <... futex resumed>) = ?
[pid 10185] <... exit_group resumed>) = ?
[pid 10181] +++ exited with 0 +++
[pid 10198] +++ exited with 0 +++
[pid 10197] <... futex resumed>) = 0
[pid 10195] <... futex resumed>) = ?
[pid 10179] <... exit_group resumed>) = ?
[pid 10195] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10181, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5074] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 10187] +++ exited with 0 +++
[pid 10185] +++ exited with 0 +++
[pid 10182] +++ exited with 0 +++
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10185, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10179] +++ exited with 0 +++
[pid 5074] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10179, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] lstat("./211/binderfs", <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5074] unlink("./211/binderfs" <unfinished ...>
[pid 5070] fstat(3, <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 10197] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10197] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] fstat(3, <unfinished ...>
[pid 5070] lstat("./209/binderfs", <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] unlink("./209/binderfs" <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... unlink resumed>) = 0
[pid 5075] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10197] <... mprotect resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10197] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] unlink("./215/binderfs") = 0
[pid 5075] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10197] <... clone resumed>, parent_tid=[10200], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10200
[pid 10197] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10197] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10200 attached
<unfinished ...>
[pid 10200] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10200] memfd_create("syzkaller", 0) = 3
[pid 10200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] lstat("./213/file0", <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] lstat("./211/file0", <unfinished ...>
[pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 5075] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10200] <... write resumed>) = 2097152
[pid 10184] <... write resumed>) = 258048
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10184] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] lstat("./209/file0", <unfinished ...>
[pid 10184] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10184] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10180] exit_group(0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10199] <... futex resumed>) = ?
[pid 10184] <... futex resumed>) = ?
[pid 10180] <... exit_group resumed>) = ?
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10200] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10199] +++ exited with 0 +++
[pid 10184] +++ exited with 0 +++
[pid 10180] +++ exited with 0 +++
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... openat resumed>) = 4
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10180, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] rmdir("./215/file0" <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 5073] rmdir("./213/file0" <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10200] <... munmap resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 10200] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5074] rmdir("./211/file0" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10200] <... openat resumed>) = 4
[pid 5075] <... close resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... close resumed>) = 0
[pid 10200] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] rmdir("./215" <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] rmdir("./209/file0" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... close resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5073] rmdir("./213" <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] rmdir("./211" <unfinished ...>
[pid 5073] mkdir("./214", 0777 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5074] mkdir("./212", 0777 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] rmdir("./209" <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... rmdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5075] mkdir("./216", 0777 <unfinished ...>
[pid 5070] mkdir("./210", 0777 <unfinished ...>
[pid 10200] <... ioctl resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] <... close resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10201
[pid 5070] close(3) = 0
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10202
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10203
./strace-static-x86_64: Process 10203 attached
[pid 10203] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10203] chdir("./210"./strace-static-x86_64: Process 10201 attached
) = 0
[pid 10203] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10201] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10203] <... prctl resumed>) = 0
[pid 10201] <... set_robust_list resumed>) = 0
[pid 10203] setpgid(0, 0 <unfinished ...>
[pid 10201] chdir("./214" <unfinished ...>
[pid 10203] <... setpgid resumed>) = 0
[pid 10201] <... chdir resumed>) = 0
[pid 10203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10201] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10203] <... openat resumed>) = 3
[pid 10201] <... prctl resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10203] write(3, "1000", 4 <unfinished ...>
[pid 10201] setpgid(0, 0 <unfinished ...>
[pid 10200] close(3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10203] <... write resumed>) = 4
[pid 10201] <... setpgid resumed>) = 0
[pid 10200] <... close resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10202 attached
<unfinished ...>
[pid 10203] close(3 <unfinished ...>
[pid 10201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10200] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10203] <... close resumed>) = 0
[pid 10201] <... openat resumed>) = 3
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10203] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10201] write(3, "1000", 4 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] lstat("./212/binderfs", <unfinished ...>
[pid 10203] <... symlink resumed>) = 0
[pid 10202] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10201] <... write resumed>) = 4
[pid 10200] <... mkdir resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10203] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] close(3 <unfinished ...>
[pid 10203] <... futex resumed>) = 0
[pid 10201] <... close resumed>) = 0
[pid 10203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10201] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10200] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] unlink("./212/binderfs" <unfinished ...>
[pid 10203] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10202] <... set_robust_list resumed>) = 0
[pid 10201] <... symlink resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10204
[pid 10203] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10201] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 10203] <... mprotect resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10204 attached
<unfinished ...>
[pid 10203] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10204] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10201] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10204] <... set_robust_list resumed>) = 0
[pid 10203] <... clone resumed>, parent_tid=[10205], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10205
[pid 10201] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10204] chdir("./216" <unfinished ...>
[pid 10203] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10202] chdir("./212" <unfinished ...>
[pid 10201] <... mprotect resumed>) = 0
[pid 10204] <... chdir resumed>) = 0
[pid 10203] <... futex resumed>) = 0
[pid 10202] <... chdir resumed>) = 0
[ 268.605381][T10200] loop1: detected capacity change from 0 to 4096
[pid 10201] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10204] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10203] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10202] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10204] <... prctl resumed>) = 0
[pid 10202] <... prctl resumed>) = 0
[pid 10201] <... clone resumed>, parent_tid=[10206], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10206
./strace-static-x86_64: Process 10205 attached
[pid 10204] setpgid(0, 0 <unfinished ...>
[pid 10201] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10205] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10204] <... setpgid resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 10205] <... set_robust_list resumed>) = 0
[pid 10204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10201] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10205] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10204] <... openat resumed>) = 3
[pid 10205] <... memfd_create resumed>) = 3
[pid 10204] write(3, "1000", 4 <unfinished ...>
[pid 10205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10204] <... write resumed>) = 4
[pid 10205] <... mmap resumed>) = 0x7fe424ef8000
[pid 10204] close(3) = 0
[pid 10202] setpgid(0, 0 <unfinished ...>
[pid 10204] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10202] <... setpgid resumed>) = 0
[pid 10204] <... symlink resumed>) = 0
[pid 10204] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10204] <... futex resumed>) = 0
[pid 10204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10202] <... openat resumed>) = 3
[pid 10204] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10202] write(3, "1000", 4 <unfinished ...>
[pid 10204] <... mprotect resumed>) = 0
[pid 10202] <... write resumed>) = 4
[pid 10204] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10202] close(3) = 0
[pid 10204] <... clone resumed>, parent_tid=[10207], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10207
[pid 10202] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10204] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10204] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10202] <... symlink resumed>) = 0
./strace-static-x86_64: Process 10207 attached
[pid 10202] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10207] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10202] <... futex resumed>) = 0
[pid 10202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10202] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10207] <... set_robust_list resumed>) = 0
[pid 10207] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10202] <... mprotect resumed>) = 0
[pid 10207] <... memfd_create resumed>) = 3
[pid 10202] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10202] <... clone resumed>, parent_tid=[10208], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10208
[pid 10202] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10202] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10206 attached
<unfinished ...>
[pid 10206] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10206] <... set_robust_list resumed>) = 0
[pid 10206] memfd_create("syzkaller", 0./strace-static-x86_64: Process 10208 attached
) = 3
[pid 10208] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10208] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10206] <... mmap resumed>) = 0x7fe424ef8000
[pid 10208] <... memfd_create resumed>) = 3
[pid 10208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 10206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10205] <... write resumed>) = 2097152
[pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 268.690459][T10200] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 268.728532][T10200] NILFS (loop1): trying rollback from an earlier position
[pid 5072] lstat("./212/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10205] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10205] <... munmap resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5072] close(4 <unfinished ...>
[ 268.768684][T10200] NILFS (loop1): recovery complete
[pid 10205] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./212/file0") = 0
[pid 10208] <... write resumed>) = 2097152
[pid 10207] <... write resumed>) = 2097152
[pid 10206] <... write resumed>) = 2097152
[pid 10205] <... ioctl resumed>) = 0
[pid 10200] <... mount resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 10208] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10207] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10206] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10205] close(3 <unfinished ...>
[pid 10200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10208] <... munmap resumed>) = 0
[pid 10207] <... munmap resumed>) = 0
[pid 10206] <... munmap resumed>) = 0
[pid 10205] <... close resumed>) = 0
[pid 10200] <... openat resumed>) = 3
[pid 5072] close(3 <unfinished ...>
[pid 10208] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10207] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10206] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10205] mkdir("./file0", 0777 <unfinished ...>
[pid 10200] chdir("./file0" <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10208] <... openat resumed>) = 4
[pid 10207] <... openat resumed>) = 4
[pid 10206] <... openat resumed>) = 4
[pid 10205] <... mkdir resumed>) = 0
[pid 10200] <... chdir resumed>) = 0
[ 268.801146][T10205] loop0: detected capacity change from 0 to 4096
[ 268.810051][T10209] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5072] rmdir("./212" <unfinished ...>
[pid 10208] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10207] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10206] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10205] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10200] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 10200] <... ioctl resumed>) = 0
[pid 10200] close(4) = 0
[pid 10200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10197] <... futex resumed>) = 0
[pid 10200] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10197] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10197] <... futex resumed>) = 0
[pid 10200] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10197] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10206] <... ioctl resumed>) = 0
[pid 10208] <... ioctl resumed>) = 0
[pid 10207] <... ioctl resumed>) = 0
[pid 10206] close(3 <unfinished ...>
[pid 5072] mkdir("./213", 0777 <unfinished ...>
[pid 10208] close(3 <unfinished ...>
[pid 10207] close(3 <unfinished ...>
[pid 10206] <... close resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 10208] <... close resumed>) = 0
[pid 10207] <... close resumed>) = 0
[pid 10206] mkdir("./file0", 0777 <unfinished ...>
[pid 10200] <... openat resumed>) = 4
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10208] mkdir("./file0", 0777 <unfinished ...>
[pid 10207] mkdir("./file0", 0777 <unfinished ...>
[pid 10206] <... mkdir resumed>) = 0
[pid 10200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10208] <... mkdir resumed>) = 0
[pid 10207] <... mkdir resumed>) = 0
[pid 10206] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10200] <... futex resumed>) = 1
[pid 10197] <... futex resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10208] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10207] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[ 268.843414][T10208] loop4: detected capacity change from 0 to 4096
[ 268.850106][T10207] loop5: detected capacity change from 0 to 4096
[ 268.856737][T10206] loop3: detected capacity change from 0 to 4096
[ 268.879294][T10205] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 5072] close(3 <unfinished ...>
[pid 10200] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10197] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10210
[pid 10197] <... futex resumed>) = 0
[pid 10197] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10210 attached
<unfinished ...>
[pid 10210] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10210] chdir("./213") = 0
[pid 10210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10210] setpgid(0, 0) = 0
[pid 10210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10210] write(3, "1000", 4) = 4
[pid 10210] close(3) = 0
[ 268.895514][T10206] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 268.898514][T10208] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 268.911143][T10205] NILFS (loop0): trying rollback from an earlier position
[ 268.911930][T10207] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 268.919436][T10206] NILFS (loop3): trying rollback from an earlier position
[pid 10210] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10210] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10210] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10210] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10210] <... clone resumed>, parent_tid=[10211], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10211
[pid 10197] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10210] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10197] <... futex resumed>) = 0
[pid 10197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10210] <... futex resumed>) = 0
[pid 10197] <... mmap resumed>) = 0x7fe4250d7000
[pid 10210] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10197] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10197] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10212], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10212
[pid 10197] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10197] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10211 attached
<unfinished ...>
[pid 10211] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10211] memfd_create("syzkaller", 0) = 3
./strace-static-x86_64: Process 10212 attached
[pid 10211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10212] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10211] <... mmap resumed>) = 0x7fe424ef8000
[pid 10212] <... set_robust_list resumed>) = 0
[ 268.964473][T10208] NILFS (loop4): trying rollback from an earlier position
[ 268.976485][T10207] NILFS (loop5): trying rollback from an earlier position
[ 268.990149][T10205] NILFS (loop0): recovery complete
[ 269.004345][T10206] NILFS (loop3): recovery complete
[pid 10212] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10206] <... mount resumed>) = 0
[pid 10205] <... mount resumed>) = 0
[pid 10197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10212] <... mmap resumed>) = 0x20000000
[pid 10206] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10212] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10206] <... openat resumed>) = 3
[pid 10205] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10212] <... futex resumed>) = 0
[pid 10206] chdir("./file0" <unfinished ...>
[pid 10205] <... openat resumed>) = 3
[pid 10212] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10206] <... chdir resumed>) = 0
[pid 10205] chdir("./file0" <unfinished ...>
[pid 10206] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10205] <... chdir resumed>) = 0
[ 269.027195][T10214] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 269.035551][T10208] NILFS (loop4): recovery complete
[ 269.043119][T10213] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 269.063970][T10207] NILFS (loop5): recovery complete
[pid 10208] <... mount resumed>) = 0
[pid 10206] <... ioctl resumed>) = 0
[pid 10205] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10206] close(4 <unfinished ...>
[pid 10205] <... ioctl resumed>) = 0
[pid 10206] <... close resumed>) = 0
[pid 10205] close(4 <unfinished ...>
[pid 10206] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10205] <... close resumed>) = 0
[pid 10206] <... futex resumed>) = 1
[pid 10205] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] <... futex resumed>) = 0
[pid 10206] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10205] <... futex resumed>) = 1
[pid 10203] <... futex resumed>) = 0
[pid 10201] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10205] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10203] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] <... futex resumed>) = 0
[pid 10206] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10203] <... futex resumed>) = 0
[pid 10201] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10205] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10203] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10206] <... openat resumed>) = 4
[pid 10205] <... openat resumed>) = 4
[pid 10208] <... openat resumed>) = 3
[pid 10206] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10205] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10208] chdir("./file0" <unfinished ...>
[pid 10206] <... futex resumed>) = 1
[pid 10205] <... futex resumed>) = 1
[pid 10203] <... futex resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 10206] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10205] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10203] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10203] <... futex resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 10211] <... write resumed>) = 2097152
[pid 10206] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10205] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10203] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10201] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10211] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10208] <... chdir resumed>) = 0
[pid 10207] <... mount resumed>) = 0
[pid 10211] <... munmap resumed>) = 0
[pid 10208] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10211] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10208] <... ioctl resumed>) = 0
[pid 10211] <... openat resumed>) = 4
[pid 10207] <... openat resumed>) = 3
[ 269.077357][T10215] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 269.103028][T10216] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10211] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10208] close(4 <unfinished ...>
[pid 10207] chdir("./file0" <unfinished ...>
[pid 10208] <... close resumed>) = 0
[pid 10207] <... chdir resumed>) = 0
[pid 10200] <... write resumed>) = 376832
[pid 10208] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10207] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10200] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10208] <... futex resumed>) = 1
[pid 10207] <... ioctl resumed>) = 0
[pid 10202] <... futex resumed>) = 0
[pid 10200] <... futex resumed>) = 0
[pid 10197] exit_group(0 <unfinished ...>
[pid 10212] <... futex resumed>) = ?
[pid 10208] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10207] close(4 <unfinished ...>
[pid 10202] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10197] <... exit_group resumed>) = ?
[pid 10212] +++ exited with 0 +++
[pid 10208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10207] <... close resumed>) = 0
[pid 10203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10202] <... futex resumed>) = 0
[pid 10201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10200] +++ exited with 0 +++
[pid 10197] +++ exited with 0 +++
[pid 10208] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10207] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10203] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10202] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10201] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10208] <... openat resumed>) = 4
[pid 10207] <... futex resumed>) = 1
[pid 10204] <... futex resumed>) = 0
[ 269.131462][T10211] loop2: detected capacity change from 0 to 4096
[pid 10203] <... futex resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10197, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10211] <... ioctl resumed>) = 0
[pid 10208] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10207] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10204] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10211] close(3 <unfinished ...>
[pid 10208] <... futex resumed>) = 1
[pid 10207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10204] <... futex resumed>) = 0
[pid 10203] <... mmap resumed>) = 0x7fe4250d7000
[pid 10202] <... futex resumed>) = 0
[pid 10201] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10211] <... close resumed>) = 0
[pid 10208] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10207] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10204] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10203] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10202] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10211] mkdir("./file0", 0777 <unfinished ...>
[pid 10208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10203] <... mprotect resumed>) = 0
[pid 10202] <... futex resumed>) = 0
[pid 10201] <... mprotect resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 10211] <... mkdir resumed>) = 0
[pid 10208] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10207] <... openat resumed>) = 4
[pid 10203] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10202] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10201] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10211] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10203] <... clone resumed>, parent_tid=[10217], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10217
[pid 10201] <... clone resumed>, parent_tid=[10218], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10218
[pid 5071] getdents64(3, <unfinished ...>
[pid 10207] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10203] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10207] <... futex resumed>) = 1
[pid 10204] <... futex resumed>) = 0
[pid 10203] <... futex resumed>) = 0
[pid 10201] <... futex resumed>) = 0
[pid 5071] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10218 attached
./strace-static-x86_64: Process 10217 attached
<unfinished ...>
[pid 10207] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10204] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10203] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10201] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10218] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10217] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10204] <... futex resumed>) = 0
[pid 5071] lstat("./211/binderfs", <unfinished ...>
[pid 10218] <... set_robust_list resumed>) = 0
[pid 10217] <... set_robust_list resumed>) = 0
[pid 10207] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10204] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10218] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10217] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] unlink("./211/binderfs" <unfinished ...>
[pid 10217] <... mmap resumed>) = 0x20000000
[pid 5071] <... unlink resumed>) = 0
[pid 10217] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10217] <... futex resumed>) = 1
[pid 10203] <... futex resumed>) = 0
[pid 10217] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10218] <... mmap resumed>) = 0x20000000
[pid 10218] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10201] <... futex resumed>) = 0
[pid 10218] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10202] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10202] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[ 269.248634][T10211] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 10202] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 10219 attached
, parent_tid=[10219], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10219
[pid 10219] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10202] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10219] <... set_robust_list resumed>) = 0
[pid 10204] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10202] <... futex resumed>) = 0
[pid 10219] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10204] <... futex resumed>) = 0
[pid 10202] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10219] <... mmap resumed>) = 0x20000000
[pid 10204] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10219] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10204] <... mprotect resumed>) = 0
[pid 10204] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10219] <... futex resumed>) = 1
[pid 10202] <... futex resumed>) = 0
[pid 10204] <... clone resumed>, parent_tid=[10220], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10220
[pid 10204] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10219] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10204] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10220 attached
<unfinished ...>
[pid 10220] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10220] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10205] <... write resumed>) = 200704
[pid 10220] <... mmap resumed>) = 0x20000000
[pid 10205] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10220] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10205] <... futex resumed>) = 0
[pid 10220] <... futex resumed>) = 1
[pid 10205] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10204] <... futex resumed>) = 0
[pid 10203] exit_group(0 <unfinished ...>
[pid 10220] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10217] <... futex resumed>) = ?
[pid 10205] <... futex resumed>) = ?
[pid 10203] <... exit_group resumed>) = ?
[pid 10217] +++ exited with 0 +++
[pid 10205] +++ exited with 0 +++
[pid 10203] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10203, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5070] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 269.298304][T10211] NILFS (loop2): trying rollback from an earlier position
[pid 5070] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./210/binderfs") = 0
[pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10207] <... write resumed>) = 147456
[ 269.356909][T10211] NILFS (loop2): recovery complete
[pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10211] <... mount resumed>) = 0
[pid 10208] <... write resumed>) = 217088
[pid 10207] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10206] <... write resumed>) = 348160
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10204] exit_group(0 <unfinished ...>
[pid 10220] <... futex resumed>) = ?
[pid 10211] <... openat resumed>) = 3
[pid 10208] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10206] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10204] <... exit_group resumed>) = ?
[pid 10207] <... futex resumed>) = ?
[pid 5071] lstat("./211/file0", <unfinished ...>
[pid 10220] +++ exited with 0 +++
[pid 10211] chdir("./file0" <unfinished ...>
[pid 10208] <... futex resumed>) = 0
[pid 10206] <... futex resumed>) = 0
[pid 10211] <... chdir resumed>) = 0
[pid 10207] +++ exited with 0 +++
[pid 10204] +++ exited with 0 +++
[pid 10208] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10206] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10202] exit_group(0 <unfinished ...>
[pid 10201] exit_group(0 <unfinished ...>
[pid 10211] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10204, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 10211] <... ioctl resumed>) = 0
[pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10219] <... futex resumed>) = ?
[pid 10218] <... futex resumed>) = ?
[pid 10211] close(4 <unfinished ...>
[pid 10208] <... futex resumed>) = ?
[pid 10206] <... futex resumed>) = ?
[pid 10202] <... exit_group resumed>) = ?
[pid 10201] <... exit_group resumed>) = ?
[pid 10219] +++ exited with 0 +++
[pid 10218] +++ exited with 0 +++
[pid 10211] <... close resumed>) = 0
[pid 10208] +++ exited with 0 +++
[pid 10206] +++ exited with 0 +++
[pid 10202] +++ exited with 0 +++
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = 0
[pid 10211] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10201] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10202, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5071] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10211] <... futex resumed>) = 1
[pid 10210] <... futex resumed>) = 0
[pid 5071] <... openat resumed>) = 4
[pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10211] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10210] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10201, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5071] fstat(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] lstat("./210/file0", <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10210] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... openat resumed>) = 3
[pid 5073] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] fstat(3, <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10211] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10210] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] close(4 <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 10211] <... openat resumed>) = 4
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... openat resumed>) = 3
[pid 5071] rmdir("./211/file0" <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 269.392356][T10221] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10211] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 10211] <... futex resumed>) = 1
[pid 10210] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10211] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10210] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] lstat("./216/binderfs", <unfinished ...>
[pid 5074] lstat("./212/binderfs", <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 10211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10210] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10211] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10210] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] unlink("./216/binderfs" <unfinished ...>
[pid 5074] unlink("./212/binderfs" <unfinished ...>
[pid 5073] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
[pid 5071] rmdir("./211" <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5075] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] rmdir("./210/file0" <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] mkdir("./212", 0777 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5073] lstat("./214/binderfs", <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] unlink("./214/binderfs" <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./210" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] mkdir("./211", 0777 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10222
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10223
./strace-static-x86_64: Process 10222 attached
[pid 10222] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10222] chdir("./212"./strace-static-x86_64: Process 10223 attached
) = 0
[pid 10223] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10222] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10223] <... set_robust_list resumed>) = 0
[pid 10222] <... prctl resumed>) = 0
[pid 10223] chdir("./211" <unfinished ...>
[pid 10222] setpgid(0, 0 <unfinished ...>
[pid 10223] <... chdir resumed>) = 0
[pid 10222] <... setpgid resumed>) = 0
[pid 10223] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10223] <... prctl resumed>) = 0
[pid 10222] <... openat resumed>) = 3
[pid 10223] setpgid(0, 0 <unfinished ...>
[pid 10222] write(3, "1000", 4 <unfinished ...>
[pid 10223] <... setpgid resumed>) = 0
[pid 10222] <... write resumed>) = 4
[pid 10223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10222] close(3 <unfinished ...>
[pid 10223] <... openat resumed>) = 3
[pid 10222] <... close resumed>) = 0
[pid 10223] write(3, "1000", 4 <unfinished ...>
[pid 10222] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10223] <... write resumed>) = 4
[pid 10222] <... symlink resumed>) = 0
[pid 10223] close(3 <unfinished ...>
[pid 10222] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10223] <... close resumed>) = 0
[pid 10222] <... futex resumed>) = 0
[pid 10210] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10223] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10210] <... futex resumed>) = 0
[pid 10223] <... symlink resumed>) = 0
[pid 10222] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10223] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10222] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10210] <... mmap resumed>) = 0x7fe4250d7000
[pid 10223] <... futex resumed>) = 0
[pid 10222] <... mprotect resumed>) = 0
[pid 10210] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10222] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10223] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10210] <... mprotect resumed>) = 0
[pid 10223] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10222] <... clone resumed>, parent_tid=[10224], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10224
[pid 10223] <... mprotect resumed>) = 0
[pid 10222] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10210] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10223] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10222] <... futex resumed>) = 0
[pid 10222] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10210] <... clone resumed>, parent_tid=[10225], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10225
[pid 10223] <... clone resumed>, parent_tid=[10226], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10226
[pid 10210] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10223] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10210] <... futex resumed>) = 0
[pid 10223] <... futex resumed>) = 0
[pid 10223] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10210] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10224 attached
<unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 10224] set_robust_list(0x7fe42d3189e0, 24./strace-static-x86_64: Process 10226 attached
) = 0
[pid 10226] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10224] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10226] <... set_robust_list resumed>) = 0
[pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10226] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10224] <... memfd_create resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10226] <... memfd_create resumed>) = 3
[pid 10224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] lstat("./212/file0", <unfinished ...>
[pid 10226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10224] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10226] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10225 attached
) = -1 EINVAL (Invalid argument)
[pid 10225] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10225] <... set_robust_list resumed>) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 5073] <... umount2 resumed>) = 0
[pid 10225] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10225] <... mmap resumed>) = 0x20000000
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10225] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4) = 0
[pid 5074] rmdir("./212/file0") = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10225] <... futex resumed>) = 1
[pid 10210] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10225] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] lstat("./214/file0", <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./212" <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] mkdir("./213", 0777 <unfinished ...>
[pid 5075] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] <... openat resumed>) = 4
[pid 5074] close(3 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./216/file0", <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10227
[pid 5073] getdents64(4, ./strace-static-x86_64: Process 10227 attached
<unfinished ...>
[pid 10226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10227] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10227] <... set_robust_list resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10211] <... write resumed>) = 180224
[pid 10227] chdir("./213" <unfinished ...>
[pid 10224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10211] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 10227] <... chdir resumed>) = 0
[pid 10211] <... futex resumed>) = 0
[pid 10210] exit_group(0 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5073] <... close resumed>) = 0
[pid 10227] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10225] <... futex resumed>) = ?
[pid 10210] <... exit_group resumed>) = ?
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] rmdir("./214/file0" <unfinished ...>
[pid 10227] <... prctl resumed>) = 0
[pid 10225] +++ exited with 0 +++
[pid 10211] +++ exited with 0 +++
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 10210] +++ exited with 0 +++
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10227] setpgid(0, 0 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10210, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10227] <... setpgid resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... restart_syscall resumed>) = 0
[pid 10227] <... openat resumed>) = 3
[pid 5075] <... close resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 10227] write(3, "1000", 4 <unfinished ...>
[pid 5075] rmdir("./216/file0" <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10227] <... write resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] rmdir("./214" <unfinished ...>
[pid 5072] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10227] close(3 <unfinished ...>
[pid 10226] <... write resumed>) = 2097152
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10227] <... close resumed>) = 0
[pid 10226] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10227] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10226] <... munmap resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] mkdir("./215", 0777 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10227] <... symlink resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 10227] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10226] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] rmdir("./216" <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10227] <... futex resumed>) = 0
[pid 10226] <... openat resumed>) = 4
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10226] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] mkdir("./217", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10227] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... openat resumed>) = 3
[pid 5072] lstat("./213/binderfs", <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] unlink("./213/binderfs" <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10228
./strace-static-x86_64: Process 10228 attached
[pid 10228] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10228] chdir("./217") = 0
[pid 10228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10228] setpgid(0, 0) = 0
[pid 10228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10228] write(3, "1000", 4 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10227] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10226] <... ioctl resumed>) = 0
[pid 10224] <... write resumed>) = 2097152
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10227] <... mprotect resumed>) = 0
[pid 10226] close(3 <unfinished ...>
[pid 10224] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10228] <... write resumed>) = 4
[pid 10227] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10226] <... close resumed>) = 0
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 10229 attached
[pid 10228] close(3 <unfinished ...>
[pid 10226] mkdir("./file0", 0777 <unfinished ...>
[pid 10224] <... munmap resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10229] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10228] <... close resumed>) = 0
[pid 10227] <... clone resumed>, parent_tid=[10229], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10229
[pid 10226] <... mkdir resumed>) = 0
[pid 10224] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10229] <... set_robust_list resumed>) = 0
[pid 10228] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10227] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10226] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10224] <... openat resumed>) = 4
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10230
[pid 10229] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10227] <... futex resumed>) = 0
[ 269.658949][T10226] loop0: detected capacity change from 0 to 4096
[pid 10224] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10230 attached
<unfinished ...>
[pid 10229] <... memfd_create resumed>) = 3
[pid 10228] <... symlink resumed>) = 0
[pid 10227] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10224] <... ioctl resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 10230] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10228] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10224] close(3 <unfinished ...>
[pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10230] <... set_robust_list resumed>) = 0
[pid 10228] <... futex resumed>) = 0
[pid 10224] <... close resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10230] chdir("./215" <unfinished ...>
[pid 10228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10224] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] lstat("./213/file0", <unfinished ...>
[pid 10230] <... chdir resumed>) = 0
[pid 10229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10228] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10224] <... mkdir resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10230] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10229] <... mmap resumed>) = 0x7fe424ef8000
[pid 10228] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10224] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10230] <... prctl resumed>) = 0
[pid 10228] <... mprotect resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10230] setpgid(0, 0 <unfinished ...>
[pid 10228] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10230] <... setpgid resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 10230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10228] <... clone resumed>, parent_tid=[10231], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10231
[pid 5072] fstat(4, <unfinished ...>
[pid 10230] <... openat resumed>) = 3
[pid 10228] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 269.701210][T10224] loop1: detected capacity change from 0 to 4096
[ 269.713939][T10226] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10230] write(3, "1000", 4 <unfinished ...>
[pid 10228] <... futex resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 10230] <... write resumed>) = 4
[pid 10229] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10228] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 10231 attached
[pid 10230] close(3 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10231] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10230] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10231] <... set_robust_list resumed>) = 0
[pid 10230] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 10231] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10230] <... symlink resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10231] <... memfd_create resumed>) = 3
[pid 10230] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] rmdir("./213/file0" <unfinished ...>
[pid 10231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10230] <... futex resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10231] <... mmap resumed>) = 0x7fe424ef8000
[pid 10230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10230] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10230] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10230] <... mprotect resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10230] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] rmdir("./213") = 0
[pid 10230] <... clone resumed>, parent_tid=[10232], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10232
[pid 5072] mkdir("./214", 0777 <unfinished ...>
[pid 10230] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 10230] <... futex resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 10232 attached
<unfinished ...>
[pid 10230] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10232] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10229] <... write resumed>) = 2097152
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10232] <... set_robust_list resumed>) = 0
[pid 10229] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10232] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] close(3) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10234
[pid 10232] <... memfd_create resumed>) = 3
[pid 10229] <... munmap resumed>) = 0
[pid 10226] <... mount resumed>) = 0
[pid 10232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10229] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[ 269.763108][T10226] NILFS (loop0): trying rollback from an earlier position
[ 269.769026][T10224] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 269.802366][T10226] NILFS (loop0): recovery complete
[pid 10226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 10234 attached
<unfinished ...>
[pid 10232] <... mmap resumed>) = 0x7fe424ef8000
[pid 10231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10229] <... openat resumed>) = 4
[pid 10226] <... openat resumed>) = 3
[pid 10234] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10234] chdir("./214") = 0
[pid 10234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10234] setpgid(0, 0) = 0
[pid 10234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10234] write(3, "1000", 4 <unfinished ...>
[pid 10229] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10226] chdir("./file0" <unfinished ...>
[pid 10234] <... write resumed>) = 4
[pid 10234] close(3) = 0
[pid 10234] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10234] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10229] <... ioctl resumed>) = 0
[pid 10226] <... chdir resumed>) = 0
[pid 10234] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10226] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10234] <... mprotect resumed>) = 0
[pid 10229] close(3 <unfinished ...>
[pid 10226] <... ioctl resumed>) = 0
[pid 10234] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10229] <... close resumed>) = 0
[pid 10226] close(4 <unfinished ...>
[pid 10234] <... clone resumed>, parent_tid=[10235], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10235
[pid 10234] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10234] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10229] mkdir("./file0", 0777 <unfinished ...>
[pid 10226] <... close resumed>) = 0
./strace-static-x86_64: Process 10235 attached
[pid 10229] <... mkdir resumed>) = 0
[pid 10226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10229] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10226] <... futex resumed>) = 1
[pid 10223] <... futex resumed>) = 0
[pid 10235] <... set_robust_list resumed>) = 0
[pid 10226] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10223] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10223] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10235] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10226] <... openat resumed>) = 4
[ 269.819518][T10224] NILFS (loop1): trying rollback from an earlier position
[ 269.830028][T10233] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 269.849119][T10229] loop4: detected capacity change from 0 to 4096
[pid 10235] <... memfd_create resumed>) = 3
[pid 10232] <... write resumed>) = 2097152
[pid 10231] <... write resumed>) = 2097152
[pid 10226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10231] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10226] <... futex resumed>) = 1
[pid 10232] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10235] <... mmap resumed>) = 0x7fe424ef8000
[pid 10223] <... futex resumed>) = 0
[pid 10231] <... munmap resumed>) = 0
[pid 10226] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10232] <... munmap resumed>) = 0
[pid 10223] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10223] <... futex resumed>) = 0
[pid 10223] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10232] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10231] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10226] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10232] <... openat resumed>) = 4
[pid 10231] <... openat resumed>) = 4
[pid 10232] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 269.905550][T10229] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 269.906489][T10224] NILFS (loop1): recovery complete
[ 269.918669][T10229] NILFS (loop4): trying rollback from an earlier position
[ 269.942520][T10232] loop3: detected capacity change from 0 to 4096
[pid 10231] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10224] <... mount resumed>) = 0
[pid 10232] <... ioctl resumed>) = 0
[pid 10232] close(3) = 0
[pid 10232] mkdir("./file0", 0777 <unfinished ...>
[pid 10224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10232] <... mkdir resumed>) = 0
[pid 10224] <... openat resumed>) = 3
[pid 10232] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10224] chdir("./file0") = 0
[pid 10224] ioctl(4, LOOP_CLR_FD) = 0
[pid 10223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10224] close(4 <unfinished ...>
[pid 10223] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10224] <... close resumed>) = 0
[pid 10223] <... futex resumed>) = 0
[pid 10224] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10224] <... futex resumed>) = 1
[pid 10223] <... mmap resumed>) = 0x7fe4250d7000
[pid 10222] <... futex resumed>) = 0
[pid 10224] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10223] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10222] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10223] <... mprotect resumed>) = 0
[pid 10222] <... futex resumed>) = 0
[pid 10224] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10223] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10222] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10224] <... openat resumed>) = 4
[pid 10224] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10223] <... clone resumed>, parent_tid=[10238], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10238
[pid 10224] <... futex resumed>) = 1
[pid 10223] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10222] <... futex resumed>) = 0
[pid 10224] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10223] <... futex resumed>) = 0
[ 269.948323][T10236] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 269.949184][T10231] loop5: detected capacity change from 0 to 4096
[ 269.969035][T10229] NILFS (loop4): recovery complete
[pid 10222] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10223] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10222] <... futex resumed>) = 0
./strace-static-x86_64: Process 10238 attached
[pid 10224] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10222] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10238] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10231] <... ioctl resumed>) = 0
[pid 10229] <... mount resumed>) = 0
[pid 10238] <... set_robust_list resumed>) = 0
[pid 10229] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10238] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10229] <... openat resumed>) = 3
[pid 10238] <... mmap resumed>) = 0x20000000
[pid 10231] close(3 <unfinished ...>
[pid 10229] chdir("./file0" <unfinished ...>
[pid 10238] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10229] <... chdir resumed>) = 0
[pid 10238] <... futex resumed>) = 1
[pid 10229] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10223] <... futex resumed>) = 0
[pid 10238] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10229] <... ioctl resumed>) = 0
[pid 10229] close(4 <unfinished ...>
[pid 10231] <... close resumed>) = 0
[pid 10229] <... close resumed>) = 0
[pid 10231] mkdir("./file0", 0777 <unfinished ...>
[pid 10229] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10227] <... futex resumed>) = 0
[pid 10229] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10227] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10231] <... mkdir resumed>) = 0
[pid 10229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10227] <... futex resumed>) = 0
[pid 10226] <... write resumed>) = 147456
[pid 10229] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10227] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10231] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10226] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10223] exit_group(0 <unfinished ...>
[pid 10226] <... futex resumed>) = 230
[pid 10238] <... futex resumed>) = ?
[pid 10223] <... exit_group resumed>) = ?
[pid 10238] +++ exited with 0 +++
[ 270.013353][T10232] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 270.022264][T10237] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 270.041479][T10232] NILFS (loop3): trying rollback from an earlier position
[pid 10229] <... openat resumed>) = 4
[pid 10226] +++ exited with 0 +++
[pid 10223] +++ exited with 0 +++
[pid 10229] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10223, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 10229] <... futex resumed>) = 1
[pid 10227] <... futex resumed>) = 0
[pid 10229] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10227] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10227] <... futex resumed>) = 0
[pid 10229] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10227] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10222] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10222] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10235] <... write resumed>) = 2097152
[pid 10222] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10222] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10222] <... mprotect resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 10222] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10222] <... clone resumed>, parent_tid=[10239], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10239
[pid 5070] getdents64(3, <unfinished ...>
[pid 10222] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10222] <... futex resumed>) = 0
[pid 5070] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10222] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./211/binderfs", ./strace-static-x86_64: Process 10239 attached
{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10239] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5070] unlink("./211/binderfs" <unfinished ...>
[pid 10239] <... set_robust_list resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10239] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 270.072529][T10231] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10239] <... mmap resumed>) = 0x20000000
[pid 10235] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10239] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] <... munmap resumed>) = 0
[pid 10239] <... futex resumed>) = 1
[pid 10222] <... futex resumed>) = 0
[pid 10239] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10235] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid 10235] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10227] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10227] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10227] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10240], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10240
[pid 10227] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10227] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10240 attached
<unfinished ...>
[pid 10240] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10240] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10235] <... ioctl resumed>) = 0
[pid 10240] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] close(3 <unfinished ...>
[pid 10240] <... futex resumed>) = 1
[pid 10235] <... close resumed>) = 0
[pid 10227] <... futex resumed>) = 0
[pid 10240] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10235] mkdir("./file0", 0777) = 0
[ 270.125983][T10235] loop2: detected capacity change from 0 to 4096
[ 270.141294][T10232] NILFS (loop3): recovery complete
[ 270.148358][T10231] NILFS (loop5): trying rollback from an earlier position
[pid 10235] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10232] <... mount resumed>) = 0
[pid 10232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5070] <... umount2 resumed>) = 0
[pid 10232] chdir("./file0") = 0
[pid 10232] ioctl(4, LOOP_CLR_FD) = 0
[pid 10232] close(4 <unfinished ...>
[pid 10224] <... write resumed>) = 208896
[pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10232] <... close resumed>) = 0
[pid 10224] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10224] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10222] exit_group(0 <unfinished ...>
[pid 10239] <... futex resumed>) = ?
[pid 10224] <... futex resumed>) = ?
[pid 10222] <... exit_group resumed>) = ?
[pid 10239] +++ exited with 0 +++
[pid 10224] +++ exited with 0 +++
[pid 10222] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10222, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5071] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./212/binderfs") = 0
[ 270.186507][T10241] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 270.200153][T10235] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10232] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10232] <... futex resumed>) = 1
[pid 10230] <... futex resumed>) = 0
[pid 5070] lstat("./211/file0", <unfinished ...>
[pid 10232] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10230] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10230] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10232] <... openat resumed>) = 4
[pid 10232] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10232] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10230] <... futex resumed>) = 0
[pid 10230] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10232] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10230] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, <unfinished ...>
[pid 10229] <... write resumed>) = 192512
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10229] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10227] exit_group(0 <unfinished ...>
[pid 10240] <... futex resumed>) = ?
[pid 10227] <... exit_group resumed>) = ?
[pid 10240] +++ exited with 0 +++
[pid 10229] <... futex resumed>) = ?
[pid 10229] +++ exited with 0 +++
[pid 10227] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10227, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5074] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./213/binderfs", <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./213/binderfs") = 0
[pid 5070] rmdir("./211/file0" <unfinished ...>
[pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10230] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10230] <... mmap resumed>) = 0x7fe4250d7000
[pid 10230] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[ 270.229595][T10235] NILFS (loop2): trying rollback from an earlier position
[ 270.265563][T10235] NILFS (loop2): recovery complete
[ 270.273974][T10231] NILFS (loop5): recovery complete
[pid 5070] close(3 <unfinished ...>
[pid 10230] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10243], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10243
[pid 10230] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10230] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10243 attached
<unfinished ...>
[pid 10243] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10243] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] rmdir("./211") = 0
[pid 10243] <... mmap resumed>) = 0x20000000
[pid 10243] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10230] <... futex resumed>) = 0
[pid 10243] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10235] <... mount resumed>) = 0
[pid 10231] <... mount resumed>) = 0
[pid 5070] mkdir("./212", 0777 <unfinished ...>
[pid 10235] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10235] chdir("./file0") = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10235] ioctl(4, LOOP_CLR_FD) = 0
[pid 10231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10235] close(4 <unfinished ...>
[pid 10231] <... openat resumed>) = 3
[pid 10235] <... close resumed>) = 0
[pid 10232] <... write resumed>) = 147456
[pid 5074] <... umount2 resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 10235] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10232] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10231] chdir("./file0" <unfinished ...>
[pid 10235] <... futex resumed>) = 1
[pid 10234] <... futex resumed>) = 0
[pid 10232] <... futex resumed>) = 0
[pid 10235] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10234] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10232] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10234] <... futex resumed>) = 0
[pid 10230] exit_group(0 <unfinished ...>
[pid 10243] <... futex resumed>) = ?
[pid 10235] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10234] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10232] <... futex resumed>) = ?
[pid 10230] <... exit_group resumed>) = ?
[pid 10243] +++ exited with 0 +++
[pid 10235] <... openat resumed>) = 4
[pid 10232] +++ exited with 0 +++
[pid 10231] <... chdir resumed>) = 0
[pid 10230] +++ exited with 0 +++
[pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10235] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10230, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10235] <... futex resumed>) = 1
[pid 10234] <... futex resumed>) = 0
[pid 10231] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10235] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10234] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10231] <... ioctl resumed>) = 0
[pid 5074] lstat("./213/file0", <unfinished ...>
[pid 5071] lstat("./212/file0", <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10234] <... futex resumed>) = 0
[pid 10231] close(4 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 270.313184][T10242] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 270.340778][T10244] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10235] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10234] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10231] <... close resumed>) = 0
[pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10231] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10231] <... futex resumed>) = 1
[pid 10228] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5071] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10231] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10228] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] fstat(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10245
[pid 10231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10228] <... futex resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] fstat(4, ./strace-static-x86_64: Process 10245 attached
<unfinished ...>
[pid 10231] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10228] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10245] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10231] <... openat resumed>) = 4
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] getdents64(4, <unfinished ...>
[pid 10245] <... set_robust_list resumed>) = 0
[pid 10231] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10245] chdir("./212" <unfinished ...>
[pid 10231] <... futex resumed>) = 1
[pid 10228] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] getdents64(4, <unfinished ...>
[pid 10245] <... chdir resumed>) = 0
[pid 10231] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10228] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] lstat("./215/binderfs", <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10245] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10228] <... futex resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] close(4 <unfinished ...>
[pid 10245] <... prctl resumed>) = 0
[pid 10231] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10228] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5073] unlink("./215/binderfs" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10245] setpgid(0, 0 <unfinished ...>
[pid 5074] rmdir("./213/file0" <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5071] rmdir("./212/file0" <unfinished ...>
[pid 10245] <... setpgid resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 10245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10245] <... openat resumed>) = 3
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10245] write(3, "1000", 4 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10245] <... write resumed>) = 4
[pid 5074] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10245] close(3 <unfinished ...>
[pid 5074] rmdir("./213" <unfinished ...>
[pid 5071] rmdir("./212" <unfinished ...>
[pid 10245] <... close resumed>) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10245] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] mkdir("./214", 0777 <unfinished ...>
[pid 5071] mkdir("./213", 0777 <unfinished ...>
[pid 10245] <... symlink resumed>) = 0
[pid 10234] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 5071] <... mkdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10245] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10234] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 10245] <... futex resumed>) = 0
[pid 10234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10234] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10245] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10234] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10245] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10234] <... mprotect resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10245] <... mprotect resumed>) = 0
[pid 10234] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10245] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10234] <... clone resumed>, parent_tid=[10246], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10246
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10247
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10248
[pid 10245] <... clone resumed>, parent_tid=[10249], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10249
[pid 10234] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10245] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10234] <... futex resumed>) = 0
./strace-static-x86_64: Process 10247 attached
[pid 10245] <... futex resumed>) = 0
[pid 10234] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10247] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10245] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10249 attached
./strace-static-x86_64: Process 10246 attached
<unfinished ...>
[pid 10247] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 10248 attached
[pid 10249] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10247] chdir("./214" <unfinished ...>
[pid 10246] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10249] <... set_robust_list resumed>) = 0
[pid 10248] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10247] <... chdir resumed>) = 0
[pid 10246] <... set_robust_list resumed>) = 0
[pid 10249] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10248] <... set_robust_list resumed>) = 0
[pid 10247] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10246] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10249] <... memfd_create resumed>) = 3
[pid 10248] chdir("./213" <unfinished ...>
[pid 10247] <... prctl resumed>) = 0
[pid 10246] <... mmap resumed>) = 0x20000000
[pid 10249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10248] <... chdir resumed>) = 0
[pid 10247] setpgid(0, 0 <unfinished ...>
[pid 10246] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... umount2 resumed>) = 0
[pid 10247] <... setpgid resumed>) = 0
[pid 10246] <... futex resumed>) = 1
[pid 10249] <... mmap resumed>) = 0x7fe424ef8000
[pid 10228] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10248] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10234] <... futex resumed>) = 0
[pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10246] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10247] <... openat resumed>) = 3
[pid 10248] <... prctl resumed>) = 0
[pid 10247] write(3, "1000", 4 <unfinished ...>
[pid 10228] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10248] setpgid(0, 0 <unfinished ...>
[pid 10247] <... write resumed>) = 4
[pid 10228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] lstat("./215/file0", <unfinished ...>
[pid 10248] <... setpgid resumed>) = 0
[pid 10247] close(3 <unfinished ...>
[pid 10228] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10247] <... close resumed>) = 0
[pid 10228] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10248] <... openat resumed>) = 3
[pid 10247] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10228] <... mprotect resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10248] write(3, "1000", 4 <unfinished ...>
[pid 10247] <... symlink resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10248] <... write resumed>) = 4
[pid 10247] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10228] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 10248] close(3 <unfinished ...>
[pid 10247] <... futex resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10248] <... close resumed>) = 0
[pid 10247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10228] <... clone resumed>, parent_tid=[10250], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10250
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10248] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10247] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10228] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10248] <... symlink resumed>) = 0
[pid 10247] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10228] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10247] <... mprotect resumed>) = 0
[pid 10247] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10248] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10228] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10248] <... futex resumed>) = 0
[pid 10247] <... clone resumed>, parent_tid=[10251], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10251
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] close(4./strace-static-x86_64: Process 10250 attached
<unfinished ...>
[pid 10248] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10247] <... futex resumed>) = 0
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 10251 attached
[pid 10250] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10248] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] rmdir("./215/file0" <unfinished ...>
[pid 10251] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10250] <... set_robust_list resumed>) = 0
[pid 10248] <... mprotect resumed>) = 0
[pid 10251] <... set_robust_list resumed>) = 0
[pid 10250] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10248] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 10235] <... write resumed>) = 225280
[pid 10251] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10235] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 10251] <... memfd_create resumed>) = 3
[pid 10248] <... clone resumed>, parent_tid=[10252], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10252
[pid 10235] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 10252 attached
[pid 10251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10250] <... mmap resumed>) = 0x20000000
[pid 10249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10248] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10235] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10252] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10251] <... mmap resumed>) = 0x7fe424ef8000
[pid 10250] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10248] <... futex resumed>) = 0
[pid 10234] exit_group(0 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10252] <... set_robust_list resumed>) = 0
[pid 10250] <... futex resumed>) = 1
[pid 10248] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10235] <... futex resumed>) = ?
[pid 10234] <... exit_group resumed>) = ?
[pid 10228] <... futex resumed>) = 0
[pid 5073] rmdir("./215" <unfinished ...>
[pid 10252] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10250] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10235] +++ exited with 0 +++
[pid 5073] <... rmdir resumed>) = 0
[pid 10252] <... memfd_create resumed>) = 3
[pid 5073] mkdir("./216", 0777 <unfinished ...>
[pid 10252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 10252] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10246] <... futex resumed>) = ?
[pid 5073] <... openat resumed>) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3 <unfinished ...>
[pid 10251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10246] +++ exited with 0 +++
[pid 10234] +++ exited with 0 +++
[pid 10231] <... write resumed>) = 262144
[pid 5073] <... close resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10234, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10231] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10228] exit_group(0 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10253
[pid 5072] <... restart_syscall resumed>) = 0
[pid 10250] <... futex resumed>) = ?
[pid 10228] <... exit_group resumed>) = ?
[pid 10250] +++ exited with 0 +++
[pid 5072] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10253 attached
[pid 10249] <... write resumed>) = 2097152
[pid 10231] <... futex resumed>) = ?
[pid 5072] lstat("./214/binderfs", <unfinished ...>
[pid 10253] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10253] <... set_robust_list resumed>) = 0
[pid 5072] unlink("./214/binderfs" <unfinished ...>
[pid 10253] chdir("./216" <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 10253] <... chdir resumed>) = 0
[pid 10231] +++ exited with 0 +++
[pid 10228] +++ exited with 0 +++
[pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10228, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10253] <... prctl resumed>) = 0
[pid 10253] setpgid(0, 0 <unfinished ...>
[pid 10249] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10253] <... setpgid resumed>) = 0
[pid 10249] <... munmap resumed>) = 0
[pid 5075] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10251] <... write resumed>) = 2097152
[pid 10249] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10253] <... openat resumed>) = 3
[pid 10251] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10249] <... openat resumed>) = 4
[pid 5075] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10253] write(3, "1000", 4 <unfinished ...>
[pid 10251] <... munmap resumed>) = 0
[pid 10249] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10253] <... write resumed>) = 4
[pid 10251] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 10253] close(3 <unfinished ...>
[pid 10251] <... openat resumed>) = 4
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10253] <... close resumed>) = 0
[pid 10251] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10249] <... ioctl resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 10253] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10251] <... ioctl resumed>) = 0
[pid 10249] close(3 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... umount2 resumed>) = 0
[pid 10253] <... symlink resumed>) = 0
[pid 10249] <... close resumed>) = 0
[pid 5075] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10249] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10253] <... futex resumed>) = 0
[pid 10249] <... mkdir resumed>) = 0
[pid 5075] lstat("./217/binderfs", <unfinished ...>
[pid 10253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10249] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10253] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] unlink("./217/binderfs" <unfinished ...>
[pid 10253] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 10253] <... mprotect resumed>) = 0
[pid 5075] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10254], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10254
[pid 10253] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10251] close(3 <unfinished ...>
[pid 10253] <... futex resumed>) = 0
[pid 10253] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10251] <... close resumed>) = 0
[pid 10251] mkdir("./file0", 0777) = 0
[ 270.646349][T10249] loop0: detected capacity change from 0 to 4096
[ 270.659196][T10251] loop4: detected capacity change from 0 to 4096
[pid 10251] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 10254 attached
<unfinished ...>
[pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10254] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10254] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] lstat("./214/file0", <unfinished ...>
[pid 10254] <... memfd_create resumed>) = 3
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10254] <... mmap resumed>) = 0x7fe424ef8000
[pid 10252] <... write resumed>) = 2097152
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10252] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10252] <... munmap resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[ 270.694938][T10249] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10252] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10252] <... openat resumed>) = 4
[pid 5072] getdents64(4, <unfinished ...>
[pid 10252] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... umount2 resumed>) = 0
[pid 5075] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./217/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10252] <... ioctl resumed>) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10252] close(3 <unfinished ...>
[pid 5075] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10252] <... close resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10252] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] rmdir("./214/file0" <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10252] <... mkdir resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10252] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] rmdir("./217/file0" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[ 270.736879][T10251] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 270.740198][T10249] NILFS (loop0): trying rollback from an earlier position
[ 270.757711][T10251] NILFS (loop4): trying rollback from an earlier position
[ 270.767482][T10252] loop1: detected capacity change from 0 to 4096
[ 270.777541][T10249] NILFS (loop0): recovery complete
[pid 5072] <... close resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] rmdir("./214" <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] mkdir("./215", 0777 <unfinished ...>
[pid 5075] rmdir("./217" <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10249] <... mount resumed>) = 0
[pid 5075] mkdir("./218", 0777 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10254] <... write resumed>) = 2097152
[pid 10249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] <... openat resumed>) = 3
[pid 5072] close(3 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10249] <... openat resumed>) = 3
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] close(3) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10256
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10254] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10249] chdir("./file0" <unfinished ...>
[pid 10254] <... munmap resumed>) = 0
[pid 10249] <... chdir resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10257
[pid 10254] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10249] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 10256 attached
./strace-static-x86_64: Process 10257 attached
<unfinished ...>
[pid 10256] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10257] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10256] <... set_robust_list resumed>) = 0
[pid 10254] <... openat resumed>) = 4
[pid 10249] <... ioctl resumed>) = 0
[pid 10257] <... set_robust_list resumed>) = 0
[pid 10256] chdir("./215" <unfinished ...>
[pid 10254] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 270.795297][T10255] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 270.809954][T10252] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 10249] close(4 <unfinished ...>
[pid 10257] chdir("./218" <unfinished ...>
[pid 10256] <... chdir resumed>) = 0
[pid 10257] <... chdir resumed>) = 0
[pid 10256] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10254] <... ioctl resumed>) = 0
[pid 10249] <... close resumed>) = 0
[pid 10257] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10256] <... prctl resumed>) = 0
[pid 10257] <... prctl resumed>) = 0
[pid 10256] setpgid(0, 0 <unfinished ...>
[pid 10257] setpgid(0, 0 <unfinished ...>
[pid 10256] <... setpgid resumed>) = 0
[pid 10257] <... setpgid resumed>) = 0
[pid 10256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10256] <... openat resumed>) = 3
[pid 10254] close(3 <unfinished ...>
[pid 10249] <... futex resumed>) = 1
[pid 10245] <... futex resumed>) = 0
[pid 10257] <... openat resumed>) = 3
[pid 10256] write(3, "1000", 4 <unfinished ...>
[pid 10254] <... close resumed>) = 0
[pid 10249] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10245] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] write(3, "1000", 4 <unfinished ...>
[pid 10256] <... write resumed>) = 4
[pid 10254] mkdir("./file0", 0777 <unfinished ...>
[pid 10249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10245] <... futex resumed>) = 0
[pid 10257] <... write resumed>) = 4
[pid 10256] close(3 <unfinished ...>
[pid 10257] close(3 <unfinished ...>
[pid 10256] <... close resumed>) = 0
[pid 10257] <... close resumed>) = 0
[pid 10256] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10257] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10256] <... symlink resumed>) = 0
[pid 10257] <... symlink resumed>) = 0
[pid 10256] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10249] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10245] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10257] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10256] <... futex resumed>) = 0
[pid 10254] <... mkdir resumed>) = 0
[pid 10257] <... futex resumed>) = 0
[pid 10256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10254] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10249] <... openat resumed>) = 4
[pid 10257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10256] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10256] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10249] <... futex resumed>) = 1
[pid 10245] <... futex resumed>) = 0
[pid 10257] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10256] <... mprotect resumed>) = 0
[pid 10249] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10245] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] <... mprotect resumed>) = 0
[pid 10256] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10245] <... futex resumed>) = 0
[ 270.839441][T10254] loop3: detected capacity change from 0 to 4096
[ 270.841915][T10251] NILFS (loop4): recovery complete
[ 270.846918][T10252] NILFS (loop1): trying rollback from an earlier position
[pid 10257] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10256] <... clone resumed>, parent_tid=[10259], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10259
[pid 10257] <... clone resumed>, parent_tid=[10260], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10260
[pid 10256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10256] <... futex resumed>) = 0
[pid 10257] <... futex resumed>) = 0
[pid 10256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10257] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10249] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10245] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10251] <... mount resumed>) = 0
./strace-static-x86_64: Process 10260 attached
[pid 10251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10260] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10251] <... openat resumed>) = 3
[pid 10260] <... set_robust_list resumed>) = 0
[pid 10251] chdir("./file0" <unfinished ...>
[pid 10260] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10251] <... chdir resumed>) = 0
[pid 10260] <... memfd_create resumed>) = 3
[pid 10251] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10251] <... ioctl resumed>) = 0
[pid 10260] <... mmap resumed>) = 0x7fe424ef8000
[pid 10251] close(4./strace-static-x86_64: Process 10259 attached
) = 0
[pid 10259] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10251] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10259] <... set_robust_list resumed>) = 0
[pid 10251] <... futex resumed>) = 1
[pid 10247] <... futex resumed>) = 0
[pid 10259] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10251] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10259] <... memfd_create resumed>) = 3
[pid 10251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10247] <... futex resumed>) = 0
[pid 10259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10251] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10259] <... mmap resumed>) = 0x7fe424ef8000
[ 270.887667][T10254] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 270.895000][T10258] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10251] <... openat resumed>) = 4
[pid 10260] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10251] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10247] <... futex resumed>) = 0
[pid 10251] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10247] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10247] <... futex resumed>) = 0
[pid 10259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10251] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10247] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10245] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10245] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10245] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10262], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10262
[pid 10245] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 270.943124][T10254] NILFS (loop3): trying rollback from an earlier position
[ 270.967296][T10252] NILFS (loop1): recovery complete
[pid 10245] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10252] <... mount resumed>) = 0
./strace-static-x86_64: Process 10262 attached
[pid 10252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10262] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10252] <... openat resumed>) = 3
[pid 10262] <... set_robust_list resumed>) = 0
[pid 10252] chdir("./file0" <unfinished ...>
[pid 10262] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10252] <... chdir resumed>) = 0
[pid 10262] <... mmap resumed>) = 0x20000000
[pid 10252] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10247] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10262] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10252] <... ioctl resumed>) = 0
[pid 10247] <... futex resumed>) = 0
[pid 10245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10262] <... futex resumed>) = 0
[pid 10252] close(4 <unfinished ...>
[pid 10247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10262] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10254] <... mount resumed>) = 0
[pid 10252] <... close resumed>) = 0
[pid 10247] <... mmap resumed>) = 0x7fe4250d7000
[pid 10252] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10247] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10252] <... futex resumed>) = 1
[pid 10248] <... futex resumed>) = 0
[pid 10247] <... mprotect resumed>) = 0
[pid 10254] <... openat resumed>) = 3
[pid 10252] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10248] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10247] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10254] chdir("./file0" <unfinished ...>
[pid 10252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10248] <... futex resumed>) = 0
[pid 10254] <... chdir resumed>) = 0
[pid 10252] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10248] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10247] <... clone resumed>, parent_tid=[10264], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10264
[pid 10254] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10247] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10254] <... ioctl resumed>) = 0
[pid 10247] <... futex resumed>) = 0
[pid 10254] close(4 <unfinished ...>
[pid 10247] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10264 attached
[ 270.991758][T10261] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 271.010253][T10254] NILFS (loop3): recovery complete
[ 271.026618][T10263] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
<unfinished ...>
[pid 10254] <... close resumed>) = 0
[pid 10264] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10254] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10264] <... set_robust_list resumed>) = 0
[pid 10254] <... futex resumed>) = 1
[pid 10253] <... futex resumed>) = 0
[pid 10252] <... openat resumed>) = 4
[pid 10264] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10260] <... write resumed>) = 2097152
[pid 10254] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10253] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10252] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10260] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10253] <... futex resumed>) = 0
[pid 10252] <... futex resumed>) = 1
[pid 10248] <... futex resumed>) = 0
[pid 10264] <... mmap resumed>) = 0x20000000
[pid 10260] <... munmap resumed>) = 0
[pid 10254] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10253] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10252] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10248] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10264] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10260] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10248] <... futex resumed>) = 0
[pid 10264] <... futex resumed>) = 1
[pid 10260] <... openat resumed>) = 4
[pid 10252] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10248] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10247] <... futex resumed>) = 0
[pid 10264] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10260] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10259] <... write resumed>) = 2097152
[pid 10260] <... ioctl resumed>) = 0
[pid 10259] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10259] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10254] <... openat resumed>) = 4
[pid 10249] <... write resumed>) = 204800
[pid 10259] <... openat resumed>) = 4
[pid 10254] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10249] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10259] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10254] <... futex resumed>) = 1
[pid 10253] <... futex resumed>) = 0
[pid 10249] <... futex resumed>) = 0
[pid 10245] exit_group(0 <unfinished ...>
[pid 10249] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10260] close(3) = 0
[pid 10254] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10253] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10262] <... futex resumed>) = ?
[pid 10260] mkdir("./file0", 0777 <unfinished ...>
[pid 10259] <... ioctl resumed>) = 0
[pid 10253] <... futex resumed>) = 0
[pid 10249] <... futex resumed>) = ?
[pid 10245] <... exit_group resumed>) = ?
[pid 10262] +++ exited with 0 +++
[pid 10260] <... mkdir resumed>) = 0
[pid 10259] close(3 <unfinished ...>
[pid 10253] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10249] +++ exited with 0 +++
[pid 10260] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10259] <... close resumed>) = 0
[pid 10248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10245] +++ exited with 0 +++
[pid 10259] mkdir("./file0", 0777 <unfinished ...>
[ 271.107194][T10260] loop5: detected capacity change from 0 to 4096
[ 271.121468][T10259] loop2: detected capacity change from 0 to 4096
[pid 10248] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10245, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10259] <... mkdir resumed>) = 0
[pid 10248] <... futex resumed>) = 0
[pid 10259] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10251] <... write resumed>) = 200704
[pid 10248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10251] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10248] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10251] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10251] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10247] exit_group(0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10251] <... futex resumed>) = ?
[pid 10247] <... exit_group resumed>) = ?
[pid 5070] <... openat resumed>) = 3
[pid 10251] +++ exited with 0 +++
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10264] <... futex resumed>) = ?
[pid 10248] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10264] +++ exited with 0 +++
[pid 10248] <... mprotect resumed>) = 0
[pid 10247] +++ exited with 0 +++
[pid 5070] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10248] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10247, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10253] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] lstat("./212/binderfs", <unfinished ...>
[pid 10253] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10253] <... futex resumed>) = 0
[pid 10248] <... clone resumed>, parent_tid=[10265], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10265
[pid 5074] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] unlink("./212/binderfs" <unfinished ...>
[pid 10253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10248] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... unlink resumed>) = 0
[pid 10253] <... mmap resumed>) = 0x7fe4250d7000
[pid 10248] <... futex resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10248] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 10253] <... mprotect resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 10253] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10265 attached
[pid 5074] getdents64(3, <unfinished ...>
[pid 10253] <... clone resumed>, parent_tid=[10266], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10266
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10253] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10253] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10253] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
./strace-static-x86_64: Process 10266 attached
[pid 5074] unlink("./214/binderfs" <unfinished ...>
[pid 10266] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 10266] <... set_robust_list resumed>) = 0
[pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10266] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10265] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10266] <... mmap resumed>) = 0x20000000
[pid 10265] <... set_robust_list resumed>) = 0
[pid 10266] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10253] <... futex resumed>) = 0
[pid 10266] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 271.185889][T10260] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 271.202039][T10259] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 271.213653][T10260] NILFS (loop5): trying rollback from an earlier position
[pid 10265] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10265] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10248] <... futex resumed>) = 0
[pid 10265] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10254] <... write resumed>) = 188416
[pid 10254] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10253] exit_group(0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10266] <... futex resumed>) = ?
[pid 10254] <... futex resumed>) = ?
[pid 10253] <... exit_group resumed>) = ?
[pid 10266] +++ exited with 0 +++
[pid 10254] +++ exited with 0 +++
[pid 10253] +++ exited with 0 +++
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10253, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 271.240935][T10259] NILFS (loop2): trying rollback from an earlier position
[pid 5073] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./216/binderfs") = 0
[pid 5070] lstat("./212/file0", <unfinished ...>
[pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[ 271.293334][T10260] NILFS (loop5): recovery complete
[pid 10260] <... mount resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5070] rmdir("./212/file0" <unfinished ...>
[pid 10260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10260] chdir("./file0") = 0
[pid 10260] ioctl(4, LOOP_CLR_FD) = 0
[pid 10260] close(4) = 0
[pid 10260] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10257] <... futex resumed>) = 0
[pid 10260] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10257] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10257] <... futex resumed>) = 0
[pid 10260] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10257] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(3, <unfinished ...>
[pid 5074] lstat("./214/file0", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] rmdir("./212") = 0
[pid 5074] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] mkdir("./213", 0777 <unfinished ...>
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./214/file0" <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5074] <... rmdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[ 271.331420][T10267] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 271.340782][T10259] NILFS (loop2): recovery complete
[pid 5070] <... close resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10259] <... mount resumed>) = 0
[pid 5074] rmdir("./214" <unfinished ...>
[pid 10259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10259] chdir("./file0") = 0
[pid 10259] ioctl(4, LOOP_CLR_FD) = 0
[pid 10259] close(4) = 0
[pid 10259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10269
[pid 10259] <... futex resumed>) = 1
[pid 10256] <... futex resumed>) = 0
[pid 5074] mkdir("./215", 0777 <unfinished ...>
[pid 10259] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10269 attached
) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 10269] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10260] <... openat resumed>) = 4
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10260] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10269] <... set_robust_list resumed>) = 0
[pid 10260] <... futex resumed>) = 1
[pid 10257] <... futex resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 10260] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10257] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10269] chdir("./213" <unfinished ...>
[pid 10260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10257] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10269] <... chdir resumed>) = 0
[pid 10260] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10257] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 10269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] <... close resumed>) = 0
[pid 10269] setpgid(0, 0 <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10269] <... setpgid resumed>) = 0
[pid 10269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10270
[pid 10269] <... openat resumed>) = 3
[pid 10269] write(3, "1000", 4./strace-static-x86_64: Process 10270 attached
) = 4
[pid 5073] <... umount2 resumed>) = 0
[pid 10270] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10269] close(3 <unfinished ...>
[pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10270] <... set_robust_list resumed>) = 0
[pid 10269] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10270] chdir("./215" <unfinished ...>
[pid 10269] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5073] lstat("./216/file0", <unfinished ...>
[pid 10270] <... chdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10269] <... symlink resumed>) = 0
[pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10270] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10269] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] <... prctl resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10270] setpgid(0, 0 <unfinished ...>
[pid 10269] <... futex resumed>) = 0
[ 271.378709][T10268] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10270] <... setpgid resumed>) = 0
[pid 10269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... openat resumed>) = 4
[pid 10270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10269] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10259] <... openat resumed>) = 4
[pid 10256] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] <... openat resumed>) = 3
[pid 10269] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10256] <... futex resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10270] write(3, "1000", 4 <unfinished ...>
[pid 10269] <... mprotect resumed>) = 0
[pid 10259] <... futex resumed>) = 0
[pid 10256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10270] <... write resumed>) = 4
[pid 10269] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10259] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10256] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] getdents64(4, <unfinished ...>
[pid 10270] close(3 <unfinished ...>
[pid 10256] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10270] <... close resumed>) = 0
[pid 10269] <... clone resumed>, parent_tid=[10271], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10271
[pid 10256] <... mprotect resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10270] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10269] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10256] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10272], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10272
[pid 10256] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10256] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10270] <... symlink resumed>) = 0
[pid 10269] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10270] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10269] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... close resumed>) = 0
[pid 10270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10257] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./216/file0"./strace-static-x86_64: Process 10272 attached
<unfinished ...>
[pid 10270] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10257] <... futex resumed>) = 0
[pid 10272] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10272] <... set_robust_list resumed>) = 0
[pid 10270] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10257] <... mmap resumed>) = 0x7fe4250d7000
[pid 10252] <... write resumed>) = 516096
[pid 5073] <... rmdir resumed>) = 0
[pid 10272] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10270] <... mprotect resumed>) = 0
[pid 10257] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10252] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 10270] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10257] <... mprotect resumed>) = 0
[pid 10252] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10257] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10252] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 10270] <... clone resumed>, parent_tid=[10273], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10273
[pid 10270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] <... clone resumed>, parent_tid=[10274], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10274
[pid 10248] exit_group(0 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10270] <... futex resumed>) = 0
[pid 10265] <... futex resumed>) = ?
[pid 10257] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10252] <... futex resumed>) = ?
[pid 10248] <... exit_group resumed>) = ?
[pid 5073] rmdir("./216" <unfinished ...>
[pid 10270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10265] +++ exited with 0 +++
[pid 10257] <... futex resumed>) = 0
[pid 10257] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10274 attached
<unfinished ...>
[pid 10274] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10252] +++ exited with 0 +++
[pid 10248] +++ exited with 0 +++
[pid 5073] <... rmdir resumed>) = 0
[pid 10274] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] mkdir("./217", 0777 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10248, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
./strace-static-x86_64: Process 10271 attached
[pid 10274] <... mmap resumed>) = 0x20000000
[pid 5073] <... mkdir resumed>) = 0
[pid 10274] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10271] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10274] <... futex resumed>) = 1
[pid 10271] <... set_robust_list resumed>) = 0
[pid 10257] <... futex resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 10274] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] getdents64(3, <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... close resumed>) = 0
[pid 5071] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./213/binderfs" <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10275
[pid 5071] <... unlink resumed>) = 0
[pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10271] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10256] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 10275 attached
[pid 10256] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10275] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10271] <... memfd_create resumed>) = 3
[pid 10259] <... futex resumed>) = 0
[pid 10256] <... futex resumed>) = 1
./strace-static-x86_64: Process 10273 attached
[pid 10275] <... set_robust_list resumed>) = 0
[pid 10271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10259] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10256] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10275] chdir("./217" <unfinished ...>
[pid 10273] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10271] <... mmap resumed>) = 0x7fe424ef8000
[pid 10259] <... mmap resumed>) = 0x20000000
[pid 10275] <... chdir resumed>) = 0
[pid 10273] <... set_robust_list resumed>) = 0
[pid 10275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10275] setpgid(0, 0 <unfinished ...>
[pid 10259] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10275] <... setpgid resumed>) = 0
[pid 10259] <... futex resumed>) = 1
[pid 10256] <... futex resumed>) = 0
[pid 10275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10259] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10275] <... openat resumed>) = 3
[pid 10275] write(3, "1000", 4) = 4
[pid 10275] close(3) = 0
[pid 10275] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10275] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10275] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10275] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10276], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10276
[pid 10275] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10275] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10273] memfd_create("syzkaller", 0) = 3
[pid 10273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10276 attached
[pid 10276] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10276] memfd_create("syzkaller", 0) = 3
[pid 10276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10260] <... write resumed>) = 229376
[pid 10260] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10257] exit_group(0 <unfinished ...>
[pid 10274] <... futex resumed>) = ?
[pid 10260] <... futex resumed>) = ?
[pid 10257] <... exit_group resumed>) = ?
[pid 10274] +++ exited with 0 +++
[pid 10260] +++ exited with 0 +++
[pid 10257] +++ exited with 0 +++
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10257, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5075] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10272] <... write resumed>) = 180224
[pid 5075] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10272] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10256] exit_group(0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10272] <... futex resumed>) = ?
[pid 10259] <... futex resumed>) = ?
[pid 10256] <... exit_group resumed>) = ?
[pid 5075] lstat("./218/binderfs", <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10272] +++ exited with 0 +++
[pid 10259] +++ exited with 0 +++
[pid 10256] +++ exited with 0 +++
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] lstat("./213/file0", <unfinished ...>
[pid 5075] unlink("./218/binderfs" <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10256, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... restart_syscall resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] <... close resumed>) = 0
[pid 5072] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./213/file0" <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... rmdir resumed>) = 0
[pid 5072] lstat("./215/binderfs", <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] unlink("./215/binderfs" <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./213") = 0
[pid 5071] mkdir("./214", 0777) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10277
./strace-static-x86_64: Process 10277 attached
[pid 10277] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10277] chdir("./214") = 0
[pid 10277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10277] setpgid(0, 0) = 0
[pid 10277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10277] write(3, "1000", 4) = 4
[pid 10277] close(3) = 0
[pid 10277] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10277] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10277] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10277] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10278], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10278
[pid 10277] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10277] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10278 attached
<unfinished ...>
[pid 10278] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10278] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 10278] <... memfd_create resumed>) = 3
[pid 5075] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10278] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] lstat("./218/file0", <unfinished ...>
[pid 10276] <... write resumed>) = 2097152
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./218/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./218") = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5075] mkdir("./219", 0777) = 0
[pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... openat resumed>) = 3
[pid 5072] lstat("./215/file0", <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10271] <... write resumed>) = 2097152
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10271] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 10276] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10276] <... munmap resumed>) = 0
[pid 10273] <... write resumed>) = 2097152
[pid 10271] <... munmap resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10276] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10273] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10271] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 10276] <... openat resumed>) = 4
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10279
[pid 5072] fstat(4, <unfinished ...>
[pid 10276] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10279 attached
[pid 10278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10273] <... munmap resumed>) = 0
[pid 10271] <... openat resumed>) = 4
[pid 10279] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10276] <... ioctl resumed>) = 0
[pid 10273] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10271] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10279] <... set_robust_list resumed>) = 0
[pid 10276] close(3 <unfinished ...>
[pid 10273] <... openat resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10276] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 10276] mkdir("./file0", 0777 <unfinished ...>
[pid 10273] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10279] chdir("./219" <unfinished ...>
[pid 10276] <... mkdir resumed>) = 0
[pid 10271] <... ioctl resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 10276] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10279] <... chdir resumed>) = 0
[pid 10278] <... write resumed>) = 2097152
[pid 10273] <... ioctl resumed>) = 0
[pid 10271] close(3 <unfinished ...>
[pid 10279] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10273] close(3 <unfinished ...>
[pid 10271] <... close resumed>) = 0
[pid 10279] <... prctl resumed>) = 0
[pid 10273] <... close resumed>) = 0
[pid 10271] mkdir("./file0", 0777 <unfinished ...>
[pid 10279] setpgid(0, 0 <unfinished ...>
[pid 10273] mkdir("./file0", 0777 <unfinished ...>
[pid 10271] <... mkdir resumed>) = 0
[pid 5072] rmdir("./215/file0" <unfinished ...>
[pid 10279] <... setpgid resumed>) = 0
[pid 10278] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10273] <... mkdir resumed>) = 0
[pid 10271] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10278] <... munmap resumed>) = 0
[pid 10273] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10279] <... openat resumed>) = 3
[pid 5072] <... rmdir resumed>) = 0
[pid 10279] write(3, "1000", 4 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10279] <... write resumed>) = 4
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10279] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10279] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10279] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5072] rmdir("./215" <unfinished ...>
[pid 10279] <... symlink resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10279] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] mkdir("./216", 0777 <unfinished ...>
[pid 10279] <... futex resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 10279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10279] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5072] <... openat resumed>) = 3
[pid 10279] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 10279] <... mprotect resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 10279] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10280
./strace-static-x86_64: Process 10280 attached
[pid 10280] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10280] chdir("./216") = 0
[pid 10280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10280] setpgid(0, 0) = 0
[pid 10280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10280] write(3, "1000", 4 <unfinished ...>
[pid 10278] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10280] <... write resumed>) = 4
[pid 10279] <... clone resumed>, parent_tid=[10281], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10281
[pid 10278] <... openat resumed>) = 4
[ 271.740930][T10276] loop3: detected capacity change from 0 to 4096
[ 271.751522][T10271] loop0: detected capacity change from 0 to 4096
[ 271.762027][T10273] loop4: detected capacity change from 0 to 4096
[ 271.769188][T10276] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 271.778290][T10276] NILFS (loop3): trying rollback from an earlier position
[pid 10280] close(3 <unfinished ...>
[pid 10279] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10278] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10281 attached
<unfinished ...>
[pid 10280] <... close resumed>) = 0
[pid 10281] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10280] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10281] <... set_robust_list resumed>) = 0
[pid 10280] <... symlink resumed>) = 0
[pid 10281] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10281] <... memfd_create resumed>) = 3
[pid 10280] <... futex resumed>) = 0
[pid 10281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10281] <... mmap resumed>) = 0x7fe424ef8000
[pid 10280] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10280] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10279] <... futex resumed>) = 0
[pid 10280] <... mprotect resumed>) = 0
[pid 10280] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10282], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10282
[pid 10280] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10280] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10282 attached
<unfinished ...>
[pid 10282] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10279] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10278] <... ioctl resumed>) = 0
[pid 10282] <... set_robust_list resumed>) = 0
[pid 10282] memfd_create("syzkaller", 0) = 3
[pid 10282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 271.820351][T10271] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 271.829093][T10278] loop1: detected capacity change from 0 to 4096
[ 271.836499][T10276] NILFS (loop3): recovery complete
[ 271.838799][T10273] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 271.850450][T10271] NILFS (loop0): trying rollback from an earlier position
[ 271.858896][T10273] NILFS (loop4): trying rollback from an earlier position
[pid 10278] close(3) = 0
[pid 10278] mkdir("./file0", 0777 <unfinished ...>
[pid 10276] <... mount resumed>) = 0
[pid 10276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10276] chdir("./file0") = 0
[pid 10276] ioctl(4, LOOP_CLR_FD) = 0
[pid 10276] close(4 <unfinished ...>
[pid 10278] <... mkdir resumed>) = 0
[pid 10276] <... close resumed>) = 0
[pid 10273] <... mount resumed>) = 0
[pid 10278] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 271.865547][T10283] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 271.886684][T10273] NILFS (loop4): recovery complete
[ 271.897319][T10271] NILFS (loop0): recovery complete
[ 271.903003][T10284] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10276] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10282] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10276] <... futex resumed>) = 1
[pid 10275] <... futex resumed>) = 0
[pid 10273] <... openat resumed>) = 3
[pid 10271] <... mount resumed>) = 0
[pid 10281] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10276] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10275] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10273] chdir("./file0" <unfinished ...>
[pid 10271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10273] <... chdir resumed>) = 0
[pid 10271] <... openat resumed>) = 3
[pid 10276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10275] <... futex resumed>) = 0
[pid 10273] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10271] chdir("./file0" <unfinished ...>
[pid 10276] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10275] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10273] <... ioctl resumed>) = 0
[pid 10273] close(4 <unfinished ...>
[pid 10271] <... chdir resumed>) = 0
[pid 10276] <... openat resumed>) = 4
[pid 10273] <... close resumed>) = 0
[pid 10271] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10276] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10271] <... ioctl resumed>) = 0
[pid 10276] <... futex resumed>) = 1
[pid 10275] <... futex resumed>) = 0
[pid 10273] <... futex resumed>) = 1
[pid 10271] close(4 <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10276] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10275] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10273] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10271] <... close resumed>) = 0
[pid 10270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10275] <... futex resumed>) = 0
[pid 10273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10271] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10276] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10275] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10273] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10271] <... futex resumed>) = 1
[pid 10270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10269] <... futex resumed>) = 0
[pid 10273] <... openat resumed>) = 4
[pid 10271] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 271.919464][T10285] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 271.924751][T10278] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 271.940125][T10278] NILFS (loop1): trying rollback from an earlier position
[pid 10269] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10282] <... write resumed>) = 2097152
[pid 10273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10269] <... futex resumed>) = 0
[pid 10282] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10273] <... futex resumed>) = 1
[pid 10271] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10269] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10282] <... munmap resumed>) = 0
[pid 10273] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10271] <... openat resumed>) = 4
[pid 10270] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10282] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10271] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10282] <... openat resumed>) = 4
[pid 10273] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10271] <... futex resumed>) = 1
[pid 10270] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10269] <... futex resumed>) = 0
[pid 10282] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10281] <... write resumed>) = 2097152
[pid 10271] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 271.997114][T10278] NILFS (loop1): recovery complete
[pid 10269] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10282] <... ioctl resumed>) = 0
[pid 10281] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10269] <... futex resumed>) = 0
[pid 10269] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10282] close(3 <unfinished ...>
[pid 10281] <... munmap resumed>) = 0
[pid 10271] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10282] <... close resumed>) = 0
[pid 10281] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10282] mkdir("./file0", 0777 <unfinished ...>
[pid 10281] <... openat resumed>) = 4
[pid 10278] <... mount resumed>) = 0
[pid 10275] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10281] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10275] <... futex resumed>) = 0
[pid 10275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10278] <... openat resumed>) = 3
[pid 10275] <... mmap resumed>) = 0x7fe4250d7000
[pid 10278] chdir("./file0" <unfinished ...>
[pid 10282] <... mkdir resumed>) = 0
[pid 10278] <... chdir resumed>) = 0
[pid 10275] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10278] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10275] <... mprotect resumed>) = 0
[pid 10282] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10281] <... ioctl resumed>) = 0
[pid 10278] <... ioctl resumed>) = 0
[pid 10275] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10278] close(4) = 0
[pid 10275] <... clone resumed>, parent_tid=[10287], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10287
[pid 10278] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10275] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10281] close(3 <unfinished ...>
[pid 10278] <... futex resumed>) = 1
[pid 10277] <... futex resumed>) = 0
[pid 10275] <... futex resumed>) = 0
./strace-static-x86_64: Process 10287 attached
[pid 10281] <... close resumed>) = 0
[pid 10278] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10277] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10275] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10287] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10270] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10270] <... futex resumed>) = 0
[ 272.018791][T10282] loop2: detected capacity change from 0 to 4096
[ 272.032422][T10286] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 272.045535][T10281] loop5: detected capacity change from 0 to 4096
[pid 10269] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10269] <... futex resumed>) = 0
[pid 10270] <... mmap resumed>) = 0x7fe4250d7000
[pid 10269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10270] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10269] <... mmap resumed>) = 0x7fe4250d7000
[pid 10270] <... mprotect resumed>) = 0
[pid 10269] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10270] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10269] <... mprotect resumed>) = 0
[pid 10269] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10287] <... set_robust_list resumed>) = 0
[pid 10281] mkdir("./file0", 0777 <unfinished ...>
[pid 10278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10277] <... futex resumed>) = 0
[pid 10270] <... clone resumed>, parent_tid=[10288], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10288
[pid 10287] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10270] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10269] <... clone resumed>, parent_tid=[10289], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10289
[pid 10281] <... mkdir resumed>) = 0
[pid 10278] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10277] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10270] <... futex resumed>) = 0
[pid 10269] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10289 attached
./strace-static-x86_64: Process 10288 attached
<unfinished ...>
[pid 10287] <... mmap resumed>) = 0x20000000
[pid 10270] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10269] <... futex resumed>) = 0
[pid 10289] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10288] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10287] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10281] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10269] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10289] <... set_robust_list resumed>) = 0
[pid 10288] <... set_robust_list resumed>) = 0
[pid 10287] <... futex resumed>) = 1
[pid 10275] <... futex resumed>) = 0
[pid 10289] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10288] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10287] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10289] <... mmap resumed>) = 0x20000000
[pid 10288] <... mmap resumed>) = 0x20000000
[pid 10278] <... openat resumed>) = 4
[pid 10289] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10288] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10278] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10289] <... futex resumed>) = 1
[ 272.078184][T10282] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 10288] <... futex resumed>) = 1
[pid 10278] <... futex resumed>) = 1
[pid 10277] <... futex resumed>) = 0
[pid 10270] <... futex resumed>) = 0
[pid 10269] <... futex resumed>) = 0
[pid 10289] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10288] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10278] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10277] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 272.119560][T10281] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 272.138726][T10282] NILFS (loop2): trying rollback from an earlier position
[ 272.159052][T10281] NILFS (loop5): trying rollback from an earlier position
[pid 10277] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10273] <... write resumed>) = 188416
[ 272.175976][T10282] NILFS (loop2): recovery complete
[pid 10273] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10271] <... write resumed>) = 172032
[pid 10270] exit_group(0 <unfinished ...>
[pid 10288] <... futex resumed>) = ?
[pid 10273] <... futex resumed>) = ?
[pid 10270] <... exit_group resumed>) = ?
[pid 10288] +++ exited with 0 +++
[pid 10273] +++ exited with 0 +++
[pid 10277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10271] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10270] +++ exited with 0 +++
[pid 10277] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10271] <... futex resumed>) = 0
[pid 10269] exit_group(0 <unfinished ...>
[pid 10289] <... futex resumed>) = ?
[pid 10277] <... futex resumed>) = 0
[pid 10269] <... exit_group resumed>) = ?
[pid 10289] +++ exited with 0 +++
[pid 10277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10271] +++ exited with 0 +++
[pid 10269] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10270, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10282] <... mount resumed>) = 0
[pid 10277] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10269, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10277] <... mprotect resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10282] <... openat resumed>) = 3
[pid 10277] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10282] chdir("./file0" <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5070] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10292 attached
<unfinished ...>
[pid 10282] <... chdir resumed>) = 0
[pid 10281] <... mount resumed>) = 0
[pid 10277] <... clone resumed>, parent_tid=[10292], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10292
[pid 5074] fstat(3, <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10292] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10282] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10281] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10277] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10292] <... set_robust_list resumed>) = 0
[pid 10282] <... ioctl resumed>) = 0
[pid 10281] <... openat resumed>) = 3
[pid 10277] <... futex resumed>) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10292] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10282] close(4 <unfinished ...>
[pid 10281] chdir("./file0" <unfinished ...>
[pid 10277] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] fstat(3, <unfinished ...>
[pid 10292] <... mmap resumed>) = 0x20000000
[pid 10282] <... close resumed>) = 0
[pid 10281] <... chdir resumed>) = 0
[pid 5074] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10292] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10282] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10281] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] getdents64(3, <unfinished ...>
[pid 10292] <... futex resumed>) = 1
[pid 10282] <... futex resumed>) = 1
[pid 10281] <... ioctl resumed>) = 0
[pid 10280] <... futex resumed>) = 0
[pid 10277] <... futex resumed>) = 0
[pid 5074] lstat("./215/binderfs", <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10292] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10282] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10281] close(4 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10281] <... close resumed>) = 0
[pid 10280] <... futex resumed>) = 0
[pid 5074] unlink("./215/binderfs" <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10282] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10281] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[ 272.201237][T10281] NILFS (loop5): recovery complete
[ 272.216251][T10290] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 272.236233][T10291] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] lstat("./213/binderfs", <unfinished ...>
[pid 10281] <... futex resumed>) = 1
[pid 10279] <... futex resumed>) = 0
[pid 10276] <... write resumed>) = 319488
[pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10281] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10279] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10276] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] unlink("./213/binderfs" <unfinished ...>
[pid 10281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10279] <... futex resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10281] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10279] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10276] <... futex resumed>) = 0
[pid 10275] exit_group(0 <unfinished ...>
[pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10287] <... futex resumed>) = ?
[pid 10275] <... exit_group resumed>) = ?
[pid 10287] +++ exited with 0 +++
[pid 10282] <... openat resumed>) = 4
[pid 10276] +++ exited with 0 +++
[pid 10275] +++ exited with 0 +++
[pid 10282] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10280] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10275, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 10282] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10280] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10281] <... openat resumed>) = 4
[pid 10280] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10282] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10281] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 10281] <... futex resumed>) = 1
[pid 10279] <... futex resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10281] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10279] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 10279] <... futex resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10279] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./217/binderfs") = 0
[pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10279] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10279] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10280] <... futex resumed>) = 0
[pid 10279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10279] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10279] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10280] <... mmap resumed>) = 0x7fe4250d7000
[pid 10279] <... mprotect resumed>) = 0
[pid 5074] <... openat resumed>) = 4
[pid 10280] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10279] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] fstat(4, <unfinished ...>
[pid 10280] <... mprotect resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10280] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10279] <... clone resumed>, parent_tid=[10293], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10293
[pid 5074] getdents64(4, <unfinished ...>
[pid 10279] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10280] <... clone resumed>, parent_tid=[10294], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10294
[pid 10279] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10280] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10279] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10280] <... futex resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 10280] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./215/file0") = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./215") = 0
[pid 5074] mkdir("./216", 0777 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 10293 attached
[pid 5074] <... mkdir resumed>) = 0
[pid 10293] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10293] <... set_robust_list resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 10293] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10293] <... mmap resumed>) = 0x20000000
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10293] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 10293] <... futex resumed>) = 1
[pid 10279] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 10293] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10295
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./213/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, ./strace-static-x86_64: Process 10294 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10295 attached
[pid 5070] getdents64(4, <unfinished ...>
[pid 10295] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10295] <... set_robust_list resumed>) = 0
[pid 10294] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10295] chdir("./216" <unfinished ...>
[pid 10294] <... set_robust_list resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10295] <... chdir resumed>) = 0
[pid 10294] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10295] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10295] <... prctl resumed>) = 0
[pid 5070] rmdir("./213/file0" <unfinished ...>
[pid 10295] setpgid(0, 0 <unfinished ...>
[pid 10294] <... mmap resumed>) = 0x20000000
[pid 5070] <... rmdir resumed>) = 0
[pid 10295] <... setpgid resumed>) = 0
[pid 10294] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 10295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10295] <... openat resumed>) = 3
[pid 10294] <... futex resumed>) = 1
[pid 10281] <... write resumed>) = 139264
[pid 10280] <... futex resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 10295] write(3, "1000", 4 <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 10295] <... write resumed>) = 4
[pid 5070] rmdir("./213" <unfinished ...>
[pid 10295] close(3 <unfinished ...>
[pid 10294] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10281] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10295] <... close resumed>) = 0
[pid 10281] <... futex resumed>) = 0
[pid 10279] exit_group(0 <unfinished ...>
[pid 10278] <... write resumed>) = 438272
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] mkdir("./214", 0777 <unfinished ...>
[pid 10295] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10293] <... futex resumed>) = ?
[pid 10282] <... write resumed>) = 172032
[pid 10279] <... exit_group resumed>) = ?
[pid 10278] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10277] exit_group(0 <unfinished ...>
[pid 5073] lstat("./217/file0", <unfinished ...>
[pid 5070] <... mkdir resumed>) = 0
[pid 10295] <... symlink resumed>) = 0
[pid 10293] +++ exited with 0 +++
[pid 10282] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10278] <... futex resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10295] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10278] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10295] <... futex resumed>) = 0
[pid 10281] +++ exited with 0 +++
[pid 10279] +++ exited with 0 +++
[pid 10278] <... futex resumed>) = ?
[pid 10277] <... exit_group resumed>) = ?
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10292] <... futex resumed>) = ?
[pid 10282] <... futex resumed>) = 0
[pid 10278] +++ exited with 0 +++
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10295] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5070] close(3 <unfinished ...>
[pid 10295] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10295] <... mprotect resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10295] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10292] +++ exited with 0 +++
[pid 10277] +++ exited with 0 +++
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10296
[pid 10295] <... clone resumed>, parent_tid=[10297], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10297
[pid 10295] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10295] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10297 attached
<unfinished ...>
[pid 10297] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10297] memfd_create("syzkaller", 0) = 3
[pid 10297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10296 attached
[pid 10296] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10296] chdir("./214") = 0
[pid 10296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10296] setpgid(0, 0) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10279, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 10282] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10277, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 10280] exit_group(0 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10280] <... exit_group resumed>) = ?
[pid 10294] <... futex resumed>) = ?
[pid 10282] <... futex resumed>) = ?
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10294] +++ exited with 0 +++
[pid 10296] <... openat resumed>) = 3
[pid 10282] +++ exited with 0 +++
[pid 10280] +++ exited with 0 +++
[pid 5073] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10296] write(3, "1000", 4 <unfinished ...>
[pid 5075] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10296] <... write resumed>) = 4
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 4
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10280, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5075] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 10296] close(3) = 0
[pid 5071] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10296] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10296] <... symlink resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10296] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10296] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5073] getdents64(4, <unfinished ...>
[pid 10296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5071] fstat(3, <unfinished ...>
[pid 10296] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10296] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... close resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 10296] <... mprotect resumed>) = 0
[pid 5075] lstat("./219/binderfs", <unfinished ...>
[pid 5073] rmdir("./217/file0" <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10296] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... rmdir resumed>) = 0
[pid 10296] <... clone resumed>, parent_tid=[10298], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10298
[pid 10296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] unlink("./219/binderfs" <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10296] <... futex resumed>) = 0
[pid 10296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[pid 5072] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./214/binderfs", <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5072] lstat("./216/binderfs", <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] <... close resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] rmdir("./217" <unfinished ...>
[pid 5071] unlink("./214/binderfs" <unfinished ...>
[pid 5072] unlink("./216/binderfs" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 5072] <... unlink resumed>) = 0
[pid 5073] mkdir("./218", 0777 <unfinished ...>
[pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 10298 attached
<unfinished ...>
[pid 10298] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10298] memfd_create("syzkaller", 0) = 3
[pid 5073] <... openat resumed>) = 3
[pid 10298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10299
./strace-static-x86_64: Process 10299 attached
[pid 10299] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10299] <... set_robust_list resumed>) = 0
[pid 10299] chdir("./218") = 0
[pid 10299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10299] setpgid(0, 0) = 0
[pid 10299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10299] write(3, "1000", 4) = 4
[pid 10299] close(3) = 0
[pid 10299] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10299] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10299] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10299] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10300], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10300
[pid 10299] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10299] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10300 attached
<unfinished ...>
[pid 10300] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10300] memfd_create("syzkaller", 0) = 3
[pid 10300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5075] <... umount2 resumed>) = 0
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 10297] <... write resumed>) = 2097152
[pid 5075] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10297] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5075] lstat("./219/file0", <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] lstat("./216/file0", <unfinished ...>
[pid 5071] lstat("./214/file0", <unfinished ...>
[pid 10300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10297] <... munmap resumed>) = 0
[pid 5075] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10297] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10297] <... openat resumed>) = 4
[pid 10297] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... openat resumed>) = 4
[pid 5072] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10297] <... ioctl resumed>) = 0
[pid 10297] close(3) = 0
[pid 10297] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 4
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10297] <... mkdir resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5075] rmdir("./219/file0" <unfinished ...>
[pid 10297] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5071] rmdir("./214/file0" <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5072] rmdir("./216/file0" <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10300] <... write resumed>) = 2097152
[pid 5075] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10300] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10298] <... write resumed>) = 2097152
[pid 5075] rmdir("./219" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5072] rmdir("./216" <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5075] mkdir("./220", 0777 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5071] rmdir("./214" <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5072] mkdir("./217", 0777 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5071] mkdir("./215", 0777 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10300] <... munmap resumed>) = 0
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10300] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 10298] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[ 272.631522][T10297] loop4: detected capacity change from 0 to 4096
[ 272.664572][T10297] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 272.673505][T10297] NILFS (loop4): trying rollback from an earlier position
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10300] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10297] <... mount resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 10298] <... munmap resumed>) = 0
[pid 10298] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10300] <... ioctl resumed>) = 0
[pid 10297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10300] close(3 <unfinished ...>
[pid 10298] <... openat resumed>) = 4
[pid 10297] <... openat resumed>) = 3
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10300] <... close resumed>) = 0
[pid 10298] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10297] chdir("./file0" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10300] mkdir("./file0", 0777 <unfinished ...>
[pid 10298] <... ioctl resumed>) = 0
[pid 10297] <... chdir resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10302
[pid 10300] <... mkdir resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10300] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10297] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10297] <... ioctl resumed>) = 0
[pid 10297] close(4) = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10303
./strace-static-x86_64: Process 10304 attached
./strace-static-x86_64: Process 10302 attached
[pid 10297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10304
[pid 10297] <... futex resumed>) = 1
[pid 10295] <... futex resumed>) = 0
[pid 10304] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10302] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10295] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10304] <... set_robust_list resumed>) = 0
[pid 10302] <... set_robust_list resumed>) = 0
[pid 10297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10295] <... futex resumed>) = 0
[pid 10304] chdir("./215" <unfinished ...>
[pid 10302] chdir("./220" <unfinished ...>
[pid 10297] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10295] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10304] <... chdir resumed>) = 0
[pid 10302] <... chdir resumed>) = 0
[pid 10297] <... openat resumed>) = 4
[ 272.691237][T10297] NILFS (loop4): recovery complete
[ 272.692825][T10300] loop3: detected capacity change from 0 to 4096
[ 272.698817][T10301] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 272.719438][T10298] loop0: detected capacity change from 0 to 4096
[pid 10304] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10302] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10304] <... prctl resumed>) = 0
[pid 10302] <... prctl resumed>) = 0
[pid 10297] <... futex resumed>) = 1
[pid 10295] <... futex resumed>) = 0
[pid 10304] setpgid(0, 0 <unfinished ...>
[pid 10302] setpgid(0, 0 <unfinished ...>
[pid 10297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10295] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10304] <... setpgid resumed>) = 0
[pid 10302] <... setpgid resumed>) = 0
[pid 10297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10295] <... futex resumed>) = 0
[pid 10304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10295] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10303 attached
<unfinished ...>
[pid 10304] <... openat resumed>) = 3
[pid 10302] <... openat resumed>) = 3
[pid 10298] close(3 <unfinished ...>
[pid 10303] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10298] <... close resumed>) = 0
[pid 10303] <... set_robust_list resumed>) = 0
[pid 10298] mkdir("./file0", 0777 <unfinished ...>
[pid 10303] chdir("./217" <unfinished ...>
[pid 10298] <... mkdir resumed>) = 0
[pid 10303] <... chdir resumed>) = 0
[pid 10298] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10304] write(3, "1000", 4 <unfinished ...>
[pid 10303] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10302] write(3, "1000", 4 <unfinished ...>
[pid 10304] <... write resumed>) = 4
[pid 10303] <... prctl resumed>) = 0
[pid 10302] <... write resumed>) = 4
[pid 10304] close(3 <unfinished ...>
[pid 10303] setpgid(0, 0 <unfinished ...>
[pid 10302] close(3 <unfinished ...>
[pid 10304] <... close resumed>) = 0
[pid 10303] <... setpgid resumed>) = 0
[pid 10302] <... close resumed>) = 0
[pid 10304] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10302] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10303] <... openat resumed>) = 3
[pid 10304] <... symlink resumed>) = 0
[pid 10303] write(3, "1000", 4 <unfinished ...>
[pid 10304] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10303] <... write resumed>) = 4
[pid 10302] <... symlink resumed>) = 0
[pid 10304] <... futex resumed>) = 0
[pid 10303] close(3 <unfinished ...>
[pid 10302] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10303] <... close resumed>) = 0
[pid 10302] <... futex resumed>) = 0
[pid 10304] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10303] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10304] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10303] <... symlink resumed>) = 0
[pid 10302] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10304] <... mprotect resumed>) = 0
[pid 10303] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10302] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10304] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10303] <... futex resumed>) = 0
[pid 10302] <... mprotect resumed>) = 0
[pid 10303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10302] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10304] <... clone resumed>, parent_tid=[10305], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10305
[pid 10303] <... mmap resumed>) = 0x7fe42d2f8000
./strace-static-x86_64: Process 10305 attached
[pid 10304] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10303] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10305] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10304] <... futex resumed>) = 0
[pid 10303] <... mprotect resumed>) = 0
[pid 10302] <... clone resumed>, parent_tid=[10306], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10306
[pid 10305] <... set_robust_list resumed>) = 0
[pid 10304] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10303] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10302] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10306 attached
<unfinished ...>
[pid 10305] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10306] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10305] <... memfd_create resumed>) = 3
[pid 10303] <... clone resumed>, parent_tid=[10307], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10307
[pid 10302] <... futex resumed>) = 0
[pid 10306] <... set_robust_list resumed>) = 0
[pid 10305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10303] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10302] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10307 attached
<unfinished ...>
[pid 10306] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10305] <... mmap resumed>) = 0x7fe424ef8000
[pid 10303] <... futex resumed>) = 0
[pid 10295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10306] <... memfd_create resumed>) = 3
[pid 10303] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10295] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10295] <... futex resumed>) = 0
[ 272.758321][T10300] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 272.766385][T10300] NILFS (loop3): trying rollback from an earlier position
[ 272.794130][T10298] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10306] <... mmap resumed>) = 0x7fe424ef8000
[pid 10295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10307] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10295] <... mmap resumed>) = 0x7fe4250d7000
[pid 10295] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10307] <... set_robust_list resumed>) = 0
[pid 10295] <... mprotect resumed>) = 0
[pid 10307] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10295] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10307] <... memfd_create resumed>) = 3
[pid 10307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10295] <... clone resumed>, parent_tid=[10308], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10308
[pid 10295] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10295] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10308 attached
<unfinished ...>
[pid 10308] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10300] <... mount resumed>) = 0
[pid 10308] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10308] <... mmap resumed>) = 0x20000000
[pid 10300] <... openat resumed>) = 3
[pid 10308] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10300] chdir("./file0" <unfinished ...>
[pid 10308] <... futex resumed>) = 1
[pid 10300] <... chdir resumed>) = 0
[pid 10295] <... futex resumed>) = 0
[pid 10308] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 272.847068][T10298] NILFS (loop0): trying rollback from an earlier position
[ 272.856937][T10300] NILFS (loop3): recovery complete
[ 272.877484][T10309] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10300] ioctl(4, LOOP_CLR_FD) = 0
[pid 10300] close(4) = 0
[pid 10300] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10299] <... futex resumed>) = 0
[pid 10300] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10299] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10299] <... futex resumed>) = 0
[pid 10300] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[ 272.906649][T10298] NILFS (loop0): recovery complete
[pid 10299] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10298] <... mount resumed>) = 0
[pid 10298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10298] chdir("./file0") = 0
[pid 10298] ioctl(4, LOOP_CLR_FD) = 0
[pid 10298] close(4) = 0
[pid 10298] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10296] <... futex resumed>) = 0
[pid 10298] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10296] <... futex resumed>) = 0
[pid 10300] <... openat resumed>) = 4
[pid 10298] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10300] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10299] <... futex resumed>) = 0
[pid 10300] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10299] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10299] <... futex resumed>) = 0
[pid 10300] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10299] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10305] <... write resumed>) = 2097152
[ 272.927526][T10310] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10306] <... write resumed>) = 2097152
[pid 10305] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10306] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10306] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10306] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10307] <... write resumed>) = 2097152
[pid 10305] <... munmap resumed>) = 0
[pid 10298] <... openat resumed>) = 4
[pid 10305] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10298] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10305] <... openat resumed>) = 4
[pid 10298] <... futex resumed>) = 1
[pid 10296] <... futex resumed>) = 0
[pid 10307] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10305] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10298] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10296] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10296] <... futex resumed>) = 0
[pid 10298] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10296] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10306] <... ioctl resumed>) = 0
[pid 10306] close(3) = 0
[pid 10306] mkdir("./file0", 0777 <unfinished ...>
[pid 10307] <... munmap resumed>) = 0
[pid 10306] <... mkdir resumed>) = 0
[pid 10305] <... ioctl resumed>) = 0
[pid 10299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10297] <... write resumed>) = 290816
[pid 10307] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10306] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10305] close(3 <unfinished ...>
[ 273.000856][T10306] loop5: detected capacity change from 0 to 4096
[ 273.012166][T10305] loop1: detected capacity change from 0 to 4096
[pid 10299] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10297] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10307] <... openat resumed>) = 4
[pid 10305] <... close resumed>) = 0
[pid 10299] <... futex resumed>) = 0
[pid 10297] <... futex resumed>) = 0
[pid 10307] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10305] mkdir("./file0", 0777 <unfinished ...>
[pid 10299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10297] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10295] exit_group(0 <unfinished ...>
[pid 10308] <... futex resumed>) = ?
[pid 10299] <... mmap resumed>) = 0x7fe4250d7000
[pid 10295] <... exit_group resumed>) = ?
[pid 10308] +++ exited with 0 +++
[pid 10299] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10299] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10311], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10311
[pid 10299] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10299] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10307] <... ioctl resumed>) = 0
[pid 10305] <... mkdir resumed>) = 0
[pid 10297] <... futex resumed>) = ?
[pid 10297] +++ exited with 0 +++
[pid 10295] +++ exited with 0 +++
[pid 10296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10295, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10305] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10296] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10296] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10296] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10296] <... mprotect resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 10296] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10296] <... clone resumed>, parent_tid=[10312], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10312
[pid 5074] getdents64(3, <unfinished ...>
[pid 10296] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10296] <... futex resumed>) = 0
[pid 5074] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10296] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10307] close(3 <unfinished ...>
[pid 5074] unlink("./216/binderfs"./strace-static-x86_64: Process 10312 attached
<unfinished ...>
[pid 10307] <... close resumed>) = 0
[pid 5074] <... unlink resumed>) = 0
./strace-static-x86_64: Process 10311 attached
[pid 10312] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10307] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10312] <... set_robust_list resumed>) = 0
[pid 10311] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10312] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10312] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10296] <... futex resumed>) = 0
[ 273.055289][T10306] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 273.067007][T10307] loop2: detected capacity change from 0 to 4096
[pid 10312] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10311] <... set_robust_list resumed>) = 0
[pid 10311] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10307] <... mkdir resumed>) = 0
[pid 10299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10307] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10311] <... mmap resumed>) = 0x20000000
[pid 10311] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 273.112274][T10306] NILFS (loop5): trying rollback from an earlier position
[ 273.122543][T10305] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 273.151175][T10307] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 10311] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./216/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 273.160737][T10305] NILFS (loop1): trying rollback from an earlier position
[ 273.177053][T10306] NILFS (loop5): recovery complete
[ 273.185302][T10307] NILFS (loop2): trying rollback from an earlier position
[pid 5074] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10306] <... mount resumed>) = 0
[pid 10306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10306] chdir("./file0") = 0
[pid 10306] ioctl(4, LOOP_CLR_FD) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 10306] close(4) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10306] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10306] <... futex resumed>) = 1
[pid 10302] <... futex resumed>) = 0
[pid 10306] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10302] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10302] <... futex resumed>) = 0
[pid 10306] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10307] <... mount resumed>) = 0
[pid 10306] <... openat resumed>) = 4
[pid 10302] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10307] <... openat resumed>) = 3
[pid 5074] close(4 <unfinished ...>
[pid 10307] chdir("./file0" <unfinished ...>
[pid 10306] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10300] <... write resumed>) = 307200
[pid 5074] <... close resumed>) = 0
[pid 10307] <... chdir resumed>) = 0
[pid 10306] <... futex resumed>) = 1
[pid 10302] <... futex resumed>) = 0
[pid 10300] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] rmdir("./216/file0" <unfinished ...>
[pid 10299] exit_group(0 <unfinished ...>
[pid 10311] <... futex resumed>) = ?
[pid 10307] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10306] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10302] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10300] <... futex resumed>) = ?
[pid 10299] <... exit_group resumed>) = ?
[pid 5074] <... rmdir resumed>) = 0
[pid 10311] +++ exited with 0 +++
[pid 10307] <... ioctl resumed>) = 0
[pid 10306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10302] <... futex resumed>) = 0
[pid 10300] +++ exited with 0 +++
[pid 5074] getdents64(3, <unfinished ...>
[pid 10307] close(4 <unfinished ...>
[pid 10302] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10307] <... close resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 10307] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10306] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10307] <... futex resumed>) = 1
[pid 10303] <... futex resumed>) = 0
[pid 10299] +++ exited with 0 +++
[pid 5074] rmdir("./216" <unfinished ...>
[pid 10307] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10303] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10299, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10303] <... futex resumed>) = 0
[pid 5074] mkdir("./217", 0777 <unfinished ...>
[pid 10307] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10303] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[ 273.208235][T10305] NILFS (loop1): recovery complete
[ 273.217187][T10313] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 273.237554][T10307] NILFS (loop2): recovery complete
[ 273.249944][T10315] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10307] <... openat resumed>) = 4
[pid 10298] <... write resumed>) = 380928
[pid 5074] <... openat resumed>) = 3
[pid 10307] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10307] <... futex resumed>) = 1
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10307] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10316
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./218/binderfs") = 0
[pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10316 attached
<unfinished ...>
[pid 10303] <... futex resumed>) = 0
[pid 10298] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10316] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10303] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10298] <... futex resumed>) = 0
[pid 10296] exit_group(0 <unfinished ...>
[pid 10305] <... mount resumed>) = 0
[pid 10316] <... set_robust_list resumed>) = 0
[pid 10312] <... futex resumed>) = ?
[pid 10307] <... futex resumed>) = 0
[pid 10305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10303] <... futex resumed>) = 1
[pid 10296] <... exit_group resumed>) = ?
[pid 10316] chdir("./217" <unfinished ...>
[pid 10312] +++ exited with 0 +++
[pid 10307] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10305] <... openat resumed>) = 3
[pid 10303] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10298] +++ exited with 0 +++
[pid 10296] +++ exited with 0 +++
[pid 10316] <... chdir resumed>) = 0
[pid 10305] chdir("./file0" <unfinished ...>
[pid 10316] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10305] <... chdir resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10296, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10316] <... prctl resumed>) = 0
[pid 10305] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10316] setpgid(0, 0 <unfinished ...>
[pid 10305] <... ioctl resumed>) = 0
[pid 5070] <... restart_syscall resumed>) = 0
[pid 10316] <... setpgid resumed>) = 0
[pid 10305] close(4 <unfinished ...>
[pid 10316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10305] <... close resumed>) = 0
[pid 10316] <... openat resumed>) = 3
[pid 10305] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10316] write(3, "1000", 4 <unfinished ...>
[pid 10305] <... futex resumed>) = 1
[pid 10304] <... futex resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10316] <... write resumed>) = 4
[pid 10305] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10304] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10316] close(3 <unfinished ...>
[pid 10305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10304] <... futex resumed>) = 0
[pid 10302] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10316] <... close resumed>) = 0
[pid 10305] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10304] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10302] <... futex resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 10316] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10316] <... symlink resumed>) = 0
[pid 10302] <... mmap resumed>) = 0x7fe4250d7000
[pid 5070] getdents64(3, <unfinished ...>
[pid 10316] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10305] <... openat resumed>) = 4
[ 273.283613][T10314] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10302] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10316] <... futex resumed>) = 0
[pid 10305] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10302] <... mprotect resumed>) = 0
[pid 5070] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10305] <... futex resumed>) = 1
[pid 10304] <... futex resumed>) = 0
[pid 10302] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10316] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10305] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10304] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] lstat("./214/binderfs", <unfinished ...>
[pid 10316] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10304] <... futex resumed>) = 0
[pid 10302] <... clone resumed>, parent_tid=[10317], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10317
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10316] <... mprotect resumed>) = 0
[pid 10305] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10304] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10302] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] unlink("./214/binderfs" <unfinished ...>
[pid 10316] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10302] <... futex resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10302] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10316] <... clone resumed>, parent_tid=[10318], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10318
[pid 10316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10318 attached
<unfinished ...>
[pid 10318] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10303] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10318] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10303] <... mmap resumed>) = 0x7fe4250d7000
[pid 10303] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10318] <... memfd_create resumed>) = 3
[pid 10303] <... mprotect resumed>) = 0
[pid 10318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10303] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10318] <... mmap resumed>) = 0x7fe424ef8000
./strace-static-x86_64: Process 10317 attached
[pid 10303] <... clone resumed>, parent_tid=[10319], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10319
[pid 10317] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10303] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10319 attached
<unfinished ...>
[pid 10317] <... set_robust_list resumed>) = 0
[pid 10303] <... futex resumed>) = 0
[pid 10319] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10317] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10303] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10319] <... set_robust_list resumed>) = 0
[pid 10317] <... mmap resumed>) = 0x20000000
[pid 10319] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10317] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10304] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10304] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10304] <... mprotect resumed>) = 0
[pid 10319] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10317] <... futex resumed>) = 0
[pid 10304] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10319] <... futex resumed>) = 1
[pid 10317] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10303] <... futex resumed>) = 0
[pid 10319] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10304] <... clone resumed>, parent_tid=[10320], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10320
[pid 10304] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10304] <... futex resumed>) = 0
[pid 10304] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10320 attached
<unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 10320] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10320] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5073] lstat("./218/file0", <unfinished ...>
[pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10320] <... mmap resumed>) = 0x20000000
[pid 10320] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10304] <... futex resumed>) = 0
[pid 10320] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./214/file0", <unfinished ...>
[pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] fstat(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... openat resumed>) = 4
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] <... close resumed>) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 5073] rmdir("./218/file0" <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] <... rmdir resumed>) = 0
[pid 5070] close(4 <unfinished ...>
[pid 10318] <... write resumed>) = 2097152
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] rmdir("./214/file0" <unfinished ...>
[pid 5073] close(3) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5073] rmdir("./218" <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] mkdir("./219", 0777 <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10318] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5070] <... close resumed>) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] rmdir("./214" <unfinished ...>
[pid 10318] <... munmap resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 10318] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10318] <... openat resumed>) = 4
[pid 10307] <... write resumed>) = 237568
[pid 10318] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10307] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10305] <... write resumed>) = 208896
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] mkdir("./215", 0777 <unfinished ...>
[pid 10307] <... futex resumed>) = 0
[pid 10305] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10307] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10305] <... futex resumed>) = 0
[pid 10304] exit_group(0 <unfinished ...>
[pid 10320] <... futex resumed>) = ?
[pid 10304] <... exit_group resumed>) = ?
./strace-static-x86_64: Process 10321 attached
[pid 10320] +++ exited with 0 +++
[pid 10318] <... ioctl resumed>) = 0
[pid 10305] +++ exited with 0 +++
[pid 10304] +++ exited with 0 +++
[pid 10306] <... write resumed>) = 368640
[pid 10303] exit_group(0 <unfinished ...>
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10321
[pid 5070] <... mkdir resumed>) = 0
[pid 10321] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10319] <... futex resumed>) = ?
[pid 10307] <... futex resumed>) = ?
[pid 10306] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10303] <... exit_group resumed>) = ?
[pid 10302] exit_group(0 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10304, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 10319] +++ exited with 0 +++
[pid 10317] <... futex resumed>) = ?
[pid 10307] +++ exited with 0 +++
[pid 10306] <... futex resumed>) = ?
[pid 10302] <... exit_group resumed>) = ?
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10321] <... set_robust_list resumed>) = 0
[pid 10318] close(3 <unfinished ...>
[pid 10317] +++ exited with 0 +++
[pid 10306] +++ exited with 0 +++
[pid 10303] +++ exited with 0 +++
[pid 10302] +++ exited with 0 +++
[pid 5070] <... openat resumed>) = 3
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10302, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10303, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 10321] chdir("./219" <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10318] <... close resumed>) = 0
[pid 5072] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10321] <... chdir resumed>) = 0
[pid 10318] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] close(3 <unfinished ...>
[pid 10321] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10318] <... mkdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10318] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5071] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] fstat(3, <unfinished ...>
[pid 5072] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] getdents64(3, <unfinished ...>
[pid 5072] lstat("./217/binderfs", <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] unlink("./217/binderfs" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... unlink resumed>) = 0
[pid 5071] lstat("./215/binderfs", <unfinished ...>
[pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./215/binderfs" <unfinished ...>
[pid 5075] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10321] <... prctl resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10321] setpgid(0, 0 <unfinished ...>
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10322 attached
[pid 10321] <... setpgid resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10322
[pid 10321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10321] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10321] write(3, "1000", 4 <unfinished ...>
[pid 5075] lstat("./220/binderfs", <unfinished ...>
[pid 10322] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10321] <... write resumed>) = 4
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10322] <... set_robust_list resumed>) = 0
[pid 10321] close(3 <unfinished ...>
[ 273.564024][T10318] loop4: detected capacity change from 0 to 4096
[pid 10322] chdir("./215" <unfinished ...>
[pid 10321] <... close resumed>) = 0
[pid 10322] <... chdir resumed>) = 0
[pid 10321] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10322] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10321] <... symlink resumed>) = 0
[pid 10322] <... prctl resumed>) = 0
[pid 10321] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10322] setpgid(0, 0 <unfinished ...>
[pid 10321] <... futex resumed>) = 0
[pid 10322] <... setpgid resumed>) = 0
[pid 10321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10321] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10322] <... openat resumed>) = 3
[pid 10321] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] unlink("./220/binderfs" <unfinished ...>
[pid 10322] write(3, "1000", 4 <unfinished ...>
[pid 10321] <... mprotect resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 10322] <... write resumed>) = 4
[pid 10321] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10322] close(3) = 0
[pid 10321] <... clone resumed>, parent_tid=[10323], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10323
[pid 10322] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10321] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10322] <... symlink resumed>) = 0
[pid 10321] <... futex resumed>) = 0
[pid 10322] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10321] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10322] <... futex resumed>) = 0
[pid 10322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10322] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10322] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 10323 attached
<unfinished ...>
[pid 10323] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10322] <... clone resumed>, parent_tid=[10324], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10324
[pid 10323] <... set_robust_list resumed>) = 0
[pid 10322] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10323] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10322] <... futex resumed>) = 0
[pid 10323] <... memfd_create resumed>) = 3
[ 273.611688][T10318] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10322] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10324 attached
[pid 10324] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10324] memfd_create("syzkaller", 0) = 3
[pid 10324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5071] <... umount2 resumed>) = 0
[pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... openat resumed>) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[ 273.660477][T10318] NILFS (loop4): trying rollback from an earlier position
[pid 5071] getdents64(4, <unfinished ...>
[pid 5072] lstat("./217/file0", <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(4 <unfinished ...>
[pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] rmdir("./215/file0" <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5072] <... openat resumed>) = 4
[pid 5071] getdents64(3, <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] rmdir("./215" <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] mkdir("./216", 0777 <unfinished ...>
[pid 5072] close(4 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10325
./strace-static-x86_64: Process 10325 attached
[pid 10325] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10325] chdir("./216") = 0
[pid 5072] rmdir("./217/file0" <unfinished ...>
[pid 10325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] <... umount2 resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10325] setpgid(0, 0 <unfinished ...>
[pid 5075] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10325] <... setpgid resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5075] lstat("./220/file0", <unfinished ...>
[ 273.750728][T10318] NILFS (loop4): recovery complete
[pid 5072] close(3 <unfinished ...>
[pid 10325] <... openat resumed>) = 3
[pid 10323] <... write resumed>) = 2097152
[pid 10318] <... mount resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10325] write(3, "1000", 4) = 4
[pid 10325] close(3 <unfinished ...>
[pid 10324] <... write resumed>) = 2097152
[pid 10323] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10325] <... close resumed>) = 0
[pid 10318] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] rmdir("./217" <unfinished ...>
[pid 10325] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10318] chdir("./file0" <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10325] <... symlink resumed>) = 0
[pid 10324] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10323] <... munmap resumed>) = 0
[pid 10318] <... chdir resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10325] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10323] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10318] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 5072] mkdir("./218", 0777 <unfinished ...>
[pid 10325] <... futex resumed>) = 0
[pid 10324] <... munmap resumed>) = 0
[pid 10323] <... openat resumed>) = 4
[pid 10318] <... ioctl resumed>) = 0
[pid 5075] fstat(4, <unfinished ...>
[pid 10325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 10325] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10324] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10323] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10318] close(4 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10325] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10325] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10327], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10327
[pid 10325] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10325] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10327 attached
<unfinished ...>
[pid 10327] set_robust_list(0x7fe42d3189e0, 24) = 0
[ 273.776364][T10326] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 273.802333][T10323] loop3: detected capacity change from 0 to 4096
[pid 10327] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10324] <... openat resumed>) = 4
[pid 10323] <... ioctl resumed>) = 0
[pid 10318] <... close resumed>) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10318] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10318] <... futex resumed>) = 1
[pid 5075] getdents64(4, <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10316] <... futex resumed>) = 0
[pid 10316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10318] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] rmdir("./220/file0") = 0
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10328
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10327] <... memfd_create resumed>) = 3
[pid 10324] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 10327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10318] <... openat resumed>) = 4
[pid 5075] <... close resumed>) = 0
[pid 10327] <... mmap resumed>) = 0x7fe424ef8000
[pid 10318] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] rmdir("./220" <unfinished ...>
[pid 10323] close(3 <unfinished ...>
[pid 10318] <... futex resumed>) = 1
[pid 10316] <... futex resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 10318] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10323] <... close resumed>) = 0
[pid 10316] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] mkdir("./221", 0777 <unfinished ...>
[pid 10323] mkdir("./file0", 0777 <unfinished ...>
[pid 10318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10316] <... futex resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 10318] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10316] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10328 attached
) = -1 ENXIO (No such device or address)
[pid 10328] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 10328] <... set_robust_list resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 10328] chdir("./218" <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10328] <... chdir resumed>) = 0
[pid 10328] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10323] <... mkdir resumed>) = 0
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10329
[pid 10328] <... prctl resumed>) = 0
[pid 10328] setpgid(0, 0) = 0
[pid 10328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10323] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 10329 attached
<unfinished ...>
[pid 10328] write(3, "1000", 4 <unfinished ...>
[pid 10324] <... ioctl resumed>) = 0
[pid 10329] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10328] <... write resumed>) = 4
[pid 10324] close(3 <unfinished ...>
[pid 10329] <... set_robust_list resumed>) = 0
[pid 10328] close(3 <unfinished ...>
[pid 10324] <... close resumed>) = 0
[pid 10329] chdir("./221" <unfinished ...>
[pid 10328] <... close resumed>) = 0
[pid 10324] mkdir("./file0", 0777 <unfinished ...>
[pid 10329] <... chdir resumed>) = 0
[pid 10328] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10324] <... mkdir resumed>) = 0
[pid 10329] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10328] <... symlink resumed>) = 0
[pid 10324] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10329] <... prctl resumed>) = 0
[ 273.824486][T10324] loop0: detected capacity change from 0 to 4096
[pid 10328] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10329] setpgid(0, 0 <unfinished ...>
[pid 10328] <... futex resumed>) = 0
[pid 10329] <... setpgid resumed>) = 0
[pid 10328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10328] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10329] <... openat resumed>) = 3
[pid 10328] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10329] write(3, "1000", 4 <unfinished ...>
[pid 10328] <... mprotect resumed>) = 0
[pid 10329] <... write resumed>) = 4
[pid 10328] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10329] close(3) = 0
[pid 10328] <... clone resumed>, parent_tid=[10330], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10330
[pid 10329] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10328] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10329] <... symlink resumed>) = 0
[pid 10328] <... futex resumed>) = 0
[pid 10316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10329] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10328] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10316] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10329] <... futex resumed>) = 0
[pid 10316] <... futex resumed>) = 0
./strace-static-x86_64: Process 10330 attached
[pid 10329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10330] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10329] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10330] <... set_robust_list resumed>) = 0
[pid 10329] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10316] <... mmap resumed>) = 0x7fe4250d7000
[pid 10330] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10329] <... mprotect resumed>) = 0
[pid 10316] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10330] <... memfd_create resumed>) = 3
[pid 10329] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10316] <... mprotect resumed>) = 0
[pid 10330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10316] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10330] <... mmap resumed>) = 0x7fe424ef8000
[pid 10329] <... clone resumed>, parent_tid=[10331], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10331
[pid 10329] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10316] <... clone resumed>, parent_tid=[10332], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10332
[pid 10329] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10316] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10331 attached
) = 0
[pid 10331] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10316] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10332 attached
<unfinished ...>
[pid 10331] <... set_robust_list resumed>) = 0
[pid 10331] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10332] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10331] <... memfd_create resumed>) = 3
[pid 10332] <... set_robust_list resumed>) = 0
[pid 10331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10332] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10331] <... mmap resumed>) = 0x7fe424ef8000
[pid 10332] <... mmap resumed>) = 0x20000000
[ 273.872703][T10324] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 273.908519][T10323] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 10332] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10318] <... write resumed>) = 122880
[pid 10316] <... futex resumed>) = 0
[pid 10332] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10318] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10316] exit_group(0) = ?
[pid 10332] <... futex resumed>) = ?
[pid 10332] +++ exited with 0 +++
[pid 10318] +++ exited with 0 +++
[pid 10316] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10316, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... restart_syscall resumed>) = 0
[pid 10327] <... write resumed>) = 2097152
[pid 10327] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10327] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid 10327] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 273.935738][T10324] NILFS (loop0): trying rollback from an earlier position
[ 273.937248][T10323] NILFS (loop3): trying rollback from an earlier position
[ 273.969077][T10323] NILFS (loop3): recovery complete
[ 273.978467][T10327] loop1: detected capacity change from 0 to 4096
[pid 5074] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10327] <... ioctl resumed>) = 0
[pid 10323] <... mount resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10323] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5074] <... openat resumed>) = 3
[pid 10327] close(3) = 0
[pid 10327] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 10323] chdir("./file0" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10323] <... chdir resumed>) = 0
[pid 10323] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 10323] <... ioctl resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10323] close(4 <unfinished ...>
[pid 5074] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10323] <... close resumed>) = 0
[pid 10327] <... mkdir resumed>) = 0
[pid 10323] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10327] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10323] <... futex resumed>) = 1
[pid 10321] <... futex resumed>) = 0
[pid 5074] lstat("./217/binderfs", <unfinished ...>
[pid 10323] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10321] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10321] <... futex resumed>) = 0
[pid 5074] unlink("./217/binderfs" <unfinished ...>
[pid 10323] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10321] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10330] <... write resumed>) = 2097152
[ 273.979924][T10333] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.004126][T10324] NILFS (loop0): recovery complete
[pid 10330] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10331] <... write resumed>) = 2097152
[pid 10331] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10330] <... munmap resumed>) = 0
[pid 10324] <... mount resumed>) = 0
[pid 5074] <... umount2 resumed>) = 0
[pid 10330] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10330] <... openat resumed>) = 4
[pid 10324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10323] <... openat resumed>) = 4
[pid 10321] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10330] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10324] <... openat resumed>) = 3
[pid 10321] <... futex resumed>) = 0
[pid 10331] <... munmap resumed>) = 0
[pid 10324] chdir("./file0" <unfinished ...>
[pid 10323] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10331] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10324] <... chdir resumed>) = 0
[pid 10323] <... futex resumed>) = 0
[pid 10321] <... mmap resumed>) = 0x7fe4250d7000
[pid 10323] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10324] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10331] <... openat resumed>) = 4
[pid 10324] <... ioctl resumed>) = 0
[pid 10321] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10330] <... ioctl resumed>) = 0
[pid 10331] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10324] close(4 <unfinished ...>
[pid 10321] <... mprotect resumed>) = 0
[pid 10330] close(3) = 0
[pid 10330] mkdir("./file0", 0777) = 0
[ 274.045872][T10334] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.057908][T10327] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 274.065957][T10327] NILFS (loop1): trying rollback from an earlier position
[ 274.080159][T10330] loop2: detected capacity change from 0 to 4096
[pid 10330] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./217/file0", <unfinished ...>
[pid 10324] <... close resumed>) = 0
[pid 10321] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10324] <... futex resumed>) = 1
[pid 10322] <... futex resumed>) = 0
[pid 10321] <... clone resumed>, parent_tid=[10335], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10335
[pid 5074] getdents64(4, <unfinished ...>
[pid 10324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10322] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10321] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10322] <... futex resumed>) = 0
[pid 10321] <... futex resumed>) = 0
[pid 10324] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10322] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10321] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10331] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 10335 attached
[pid 10331] close(3 <unfinished ...>
[pid 10324] <... openat resumed>) = 4
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10331] <... close resumed>) = 0
[pid 10324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10335] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10331] mkdir("./file0", 0777 <unfinished ...>
[pid 10324] <... futex resumed>) = 1
[pid 10322] <... futex resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 10335] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10331] <... mkdir resumed>) = 0
[pid 10324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10322] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10331] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10322] <... futex resumed>) = 0
[pid 5074] rmdir("./217/file0" <unfinished ...>
[ 274.092604][T10331] loop5: detected capacity change from 0 to 4096
[pid 10324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10322] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] close(3) = 0
[pid 5074] rmdir("./217") = 0
[pid 5074] mkdir("./218", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 10321] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] close(3) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10336
./strace-static-x86_64: Process 10336 attached
[pid 10336] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10336] chdir("./218") = 0
[pid 10323] <... futex resumed>) = 0
[pid 10321] <... futex resumed>) = 1
[pid 10323] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10321] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10336] setpgid(0, 0) = 0
[pid 10336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[ 274.131547][T10331] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 274.152588][T10330] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 274.162009][T10331] NILFS (loop5): trying rollback from an earlier position
[pid 10336] write(3, "1000", 4 <unfinished ...>
[pid 10323] <... mmap resumed>) = 0x20000000
[pid 10336] <... write resumed>) = 4
[pid 10323] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10336] close(3 <unfinished ...>
[pid 10323] <... futex resumed>) = 1
[pid 10321] <... futex resumed>) = 0
[pid 10336] <... close resumed>) = 0
[pid 10323] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10336] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10336] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10327] <... mount resumed>) = 0
[pid 10322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10336] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10322] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10336] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10327] <... openat resumed>) = 3
[pid 10322] <... futex resumed>) = 0
[pid 10336] <... mprotect resumed>) = 0
[pid 10327] chdir("./file0" <unfinished ...>
[pid 10322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10336] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10327] <... chdir resumed>) = 0
[pid 10322] <... mmap resumed>) = 0x7fe4250d7000
[pid 10327] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10322] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10336] <... clone resumed>, parent_tid=[10338], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10338
[pid 10327] <... ioctl resumed>) = 0
[pid 10322] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 10338 attached
[pid 10336] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10335] <... write resumed>) = 135168
[pid 10327] close(4 <unfinished ...>
[ 274.176964][T10327] NILFS (loop1): recovery complete
[ 274.201171][T10337] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.203489][T10330] NILFS (loop2): trying rollback from an earlier position
[pid 10322] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10338] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10336] <... futex resumed>) = 0
[pid 10335] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10327] <... close resumed>) = 0
[pid 10338] <... set_robust_list resumed>) = 0
[pid 10336] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10335] <... futex resumed>) = 0
[pid 10327] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10322] <... clone resumed>, parent_tid=[10339], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10339
[pid 10335] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10327] <... futex resumed>) = 1
[pid 10325] <... futex resumed>) = 0
[pid 10322] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10321] exit_group(0./strace-static-x86_64: Process 10339 attached
<unfinished ...>
[pid 10338] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10335] <... futex resumed>) = ?
[pid 10327] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10325] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10323] <... futex resumed>) = ?
[pid 10322] <... futex resumed>) = 0
[pid 10321] <... exit_group resumed>) = ?
[pid 10339] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10338] <... memfd_create resumed>) = 3
[pid 10335] +++ exited with 0 +++
[pid 10327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10325] <... futex resumed>) = 0
[pid 10323] +++ exited with 0 +++
[pid 10322] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10339] <... set_robust_list resumed>) = 0
[pid 10338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10327] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10325] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10321] +++ exited with 0 +++
[pid 10339] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10321, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 10339] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10338] <... mmap resumed>) = 0x7fe424ef8000
[pid 10339] <... futex resumed>) = 1
[pid 10327] <... openat resumed>) = 4
[pid 10322] <... futex resumed>) = 0
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10339] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10327] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 10327] <... futex resumed>) = 1
[pid 10325] <... futex resumed>) = 0
[pid 10327] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10325] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10325] <... futex resumed>) = 0
[pid 5073] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10327] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10325] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[ 274.234841][T10331] NILFS (loop5): recovery complete
[pid 5073] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] unlink("./219/binderfs") = 0
[pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10331] <... mount resumed>) = 0
[pid 10331] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10331] chdir("./file0") = 0
[pid 10331] ioctl(4, LOOP_CLR_FD) = 0
[pid 10331] close(4) = 0
[pid 10331] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10331] <... futex resumed>) = 1
[pid 10329] <... futex resumed>) = 0
[pid 10325] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10331] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10329] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10325] <... futex resumed>) = 0
[pid 10331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10329] <... futex resumed>) = 0
[pid 10325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10331] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10329] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10325] <... mmap resumed>) = 0x7fe4250d7000
[pid 10325] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10325] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10341], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10341
[pid 10325] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10325] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10341 attached
<unfinished ...>
[pid 10331] <... openat resumed>) = 4
[pid 10341] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10331] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10341] <... set_robust_list resumed>) = 0
[pid 10331] <... futex resumed>) = 1
[pid 10329] <... futex resumed>) = 0
[pid 10341] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[ 274.299008][T10340] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.335873][T10330] NILFS (loop2): recovery complete
[pid 10331] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10329] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10341] <... mmap resumed>) = 0x20000000
[pid 10331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10330] <... mount resumed>) = 0
[pid 10329] <... futex resumed>) = 0
[pid 10331] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10329] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10341] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10330] <... openat resumed>) = 3
[pid 10341] <... futex resumed>) = 0
[pid 10330] chdir("./file0" <unfinished ...>
[pid 10325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10341] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10330] <... chdir resumed>) = 0
[pid 10330] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10324] <... write resumed>) = 241664
[pid 10338] <... write resumed>) = 2097152
[pid 10330] <... ioctl resumed>) = 0
[pid 10324] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10330] close(4 <unfinished ...>
[pid 10324] <... futex resumed>) = 0
[pid 10330] <... close resumed>) = 0
[pid 10324] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10322] exit_group(0 <unfinished ...>
[pid 10339] <... futex resumed>) = ?
[pid 10330] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10324] <... futex resumed>) = ?
[pid 10322] <... exit_group resumed>) = ?
[pid 10339] +++ exited with 0 +++
[pid 10330] <... futex resumed>) = 1
[pid 10328] <... futex resumed>) = 0
[pid 10324] +++ exited with 0 +++
[pid 10322] +++ exited with 0 +++
[pid 10338] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10330] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10328] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10338] <... munmap resumed>) = 0
[pid 10330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 274.364231][T10342] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10328] <... futex resumed>) = 0
[pid 10338] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10330] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10328] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10322, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 10338] <... openat resumed>) = 4
[pid 5070] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10338] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 10329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] fstat(3, <unfinished ...>
[pid 10329] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10329] <... futex resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] <... umount2 resumed>) = 0
[pid 10338] <... ioctl resumed>) = 0
[pid 10329] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10330] <... openat resumed>) = 4
[pid 10338] close(3 <unfinished ...>
[pid 10330] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10329] <... mprotect resumed>) = 0
[pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10338] <... close resumed>) = 0
[pid 10330] <... futex resumed>) = 1
[pid 10329] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10328] <... futex resumed>) = 0
[pid 5070] lstat("./215/binderfs", ./strace-static-x86_64: Process 10343 attached
<unfinished ...>
[pid 10338] mkdir("./file0", 0777 <unfinished ...>
[pid 10330] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10328] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./219/file0", <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10343] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10338] <... mkdir resumed>) = 0
[pid 10330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10329] <... clone resumed>, parent_tid=[10343], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10343
[pid 10328] <... futex resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] unlink("./215/binderfs" <unfinished ...>
[pid 10343] <... set_robust_list resumed>) = 0
[pid 10338] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10330] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10329] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10328] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10327] <... write resumed>) = 208896
[pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10343] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10329] <... futex resumed>) = 0
[pid 10327] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... unlink resumed>) = 0
[pid 10343] <... mmap resumed>) = 0x20000000
[pid 10329] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10327] <... futex resumed>) = 0
[ 274.440281][T10338] loop4: detected capacity change from 0 to 4096
[ 274.479038][T10338] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10325] exit_group(0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10343] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10341] <... futex resumed>) = ?
[pid 10329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10325] <... exit_group resumed>) = ?
[pid 5073] <... openat resumed>) = 4
[pid 10343] <... futex resumed>) = 0
[pid 10341] +++ exited with 0 +++
[pid 10327] +++ exited with 0 +++
[pid 5073] fstat(4, <unfinished ...>
[pid 10343] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10325] +++ exited with 0 +++
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 5073] rmdir("./219/file0") = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./219" <unfinished ...>
[pid 10328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10325, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid 10338] <... mount resumed>) = 0
[pid 10328] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] mkdir("./220", 0777 <unfinished ...>
[pid 5071] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10338] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10328] <... futex resumed>) = 0
[pid 5073] <... mkdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10338] <... openat resumed>) = 3
[pid 10328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10338] chdir("./file0" <unfinished ...>
[pid 10328] <... mmap resumed>) = 0x7fe4250d7000
[pid 5073] <... openat resumed>) = 3
[pid 5071] <... openat resumed>) = 3
[pid 10338] <... chdir resumed>) = 0
[pid 10328] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10338] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10328] <... mprotect resumed>) = 0
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10338] <... ioctl resumed>) = 0
[pid 10328] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] close(3 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[ 274.491845][T10338] NILFS (loop4): trying rollback from an earlier position
[ 274.509746][T10338] NILFS (loop4): recovery complete
[ 274.525595][T10344] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10338] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 10345 attached
[pid 10338] <... close resumed>) = 0
[pid 10328] <... clone resumed>, parent_tid=[10345], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10345
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... umount2 resumed>) = 0
[pid 10345] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10338] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10328] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10346 attached
<unfinished ...>
[pid 10345] <... set_robust_list resumed>) = 0
[pid 10338] <... futex resumed>) = 1
[pid 10336] <... futex resumed>) = 0
[pid 10328] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10346
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10346] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10345] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10338] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10336] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10328] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] lstat("./216/binderfs", <unfinished ...>
[pid 10346] <... set_robust_list resumed>) = 0
[pid 10345] <... mmap resumed>) = 0x20000000
[pid 10338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10336] <... futex resumed>) = 0
[pid 10338] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10336] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10345] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10346] chdir("./220" <unfinished ...>
[pid 10345] <... futex resumed>) = 1
[pid 10338] <... openat resumed>) = 4
[pid 10328] <... futex resumed>) = 0
[pid 10346] <... chdir resumed>) = 0
[pid 10345] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10338] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10331] <... write resumed>) = 229376
[pid 5071] unlink("./216/binderfs" <unfinished ...>
[pid 10346] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10338] <... futex resumed>) = 1
[pid 10336] <... futex resumed>) = 0
[pid 10331] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10346] <... prctl resumed>) = 0
[pid 10331] <... futex resumed>) = 0
[pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10346] setpgid(0, 0 <unfinished ...>
[pid 10338] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10336] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10331] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10329] exit_group(0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10346] <... setpgid resumed>) = 0
[pid 10343] <... futex resumed>) = ?
[pid 10338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10336] <... futex resumed>) = 0
[pid 10331] <... futex resumed>) = ?
[pid 10329] <... exit_group resumed>) = ?
[pid 10346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10343] +++ exited with 0 +++
[pid 10331] +++ exited with 0 +++
[pid 10329] +++ exited with 0 +++
[pid 5070] lstat("./215/file0", <unfinished ...>
[pid 10346] <... openat resumed>) = 3
[pid 10338] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10336] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10346] write(3, "1000", 4 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10329, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10346] <... write resumed>) = 4
[pid 5075] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10346] close(3 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10346] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10346] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5070] fstat(4, <unfinished ...>
[pid 10346] <... symlink resumed>) = 0
[pid 5075] fstat(3, <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10346] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, <unfinished ...>
[pid 10346] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] getdents64(4, <unfinished ...>
[pid 10346] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10346] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] close(4 <unfinished ...>
[pid 10346] <... mprotect resumed>) = 0
[pid 5075] lstat("./221/binderfs", <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10346] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] rmdir("./215/file0" <unfinished ...>
[pid 5075] unlink("./221/binderfs" <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10346] <... clone resumed>, parent_tid=[10347], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10347
[pid 5075] <... unlink resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10346] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10346] <... futex resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 10346] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] rmdir("./215") = 0
[pid 5070] mkdir("./216", 0777) = 0
./strace-static-x86_64: Process 10347 attached
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10347] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10347] <... set_robust_list resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10347] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10347] <... memfd_create resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 10347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10347] <... mmap resumed>) = 0x7fe424ef8000
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 10336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10348
[pid 10336] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10336] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10336] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10349], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10349
[pid 10336] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10336] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10348 attached
[pid 5075] lstat("./221/file0", <unfinished ...>
[pid 10348] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10348] chdir("./216" <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10348] <... chdir resumed>) = 0
[pid 10348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10348] setpgid(0, 0./strace-static-x86_64: Process 10349 attached
) = 0
[pid 5075] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10349] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10348] <... openat resumed>) = 3
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10349] <... set_robust_list resumed>) = 0
[pid 10348] write(3, "1000", 4 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10348] <... write resumed>) = 4
[pid 10348] close(3) = 0
[pid 10348] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10349] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10348] <... symlink resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 10348] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 10348] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10349] <... mmap resumed>) = 0x20000000
[pid 10348] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10349] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10348] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10349] <... futex resumed>) = 1
[pid 10348] <... mprotect resumed>) = 0
[pid 10336] <... futex resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10349] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10348] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] close(4) = 0
[pid 10348] <... clone resumed>, parent_tid=[10350], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10350
[pid 5075] rmdir("./221/file0" <unfinished ...>
[pid 10348] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 10348] <... futex resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 10348] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3./strace-static-x86_64: Process 10350 attached
) = 0
[pid 10350] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] rmdir("./221" <unfinished ...>
[pid 10350] <... set_robust_list resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 10350] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] mkdir("./222", 0777 <unfinished ...>
[pid 10350] <... memfd_create resumed>) = 3
[pid 10350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 10350] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5075] close(3 <unfinished ...>
[pid 5071] lstat("./216/file0", <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10351
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, ./strace-static-x86_64: Process 10351 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 10351] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10351] <... set_robust_list resumed>) = 0
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10351] chdir("./222" <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 10351] <... chdir resumed>) = 0
[pid 10350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10347] <... write resumed>) = 2097152
[pid 5071] <... close resumed>) = 0
[pid 5071] rmdir("./216/file0" <unfinished ...>
[pid 10351] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 10351] <... prctl resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 10351] setpgid(0, 0 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10351] <... setpgid resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 10347] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5071] rmdir("./216" <unfinished ...>
[pid 10351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10347] <... munmap resumed>) = 0
[pid 10330] <... write resumed>) = 380928
[pid 5071] <... rmdir resumed>) = 0
[pid 10351] <... openat resumed>) = 3
[pid 10347] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10330] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10328] exit_group(0 <unfinished ...>
[pid 5071] mkdir("./217", 0777 <unfinished ...>
[pid 10351] write(3, "1000", 4 <unfinished ...>
[pid 10347] <... openat resumed>) = 4
[pid 10345] <... futex resumed>) = ?
[pid 10330] <... futex resumed>) = ?
[pid 10328] <... exit_group resumed>) = ?
[pid 5071] <... mkdir resumed>) = 0
[pid 10351] <... write resumed>) = 4
[pid 10347] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10345] +++ exited with 0 +++
[pid 10330] +++ exited with 0 +++
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10351] close(3 <unfinished ...>
[pid 10328] +++ exited with 0 +++
[pid 5071] <... openat resumed>) = 3
[pid 10351] <... close resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10351] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10351] <... symlink resumed>) = 0
[pid 5071] close(3 <unfinished ...>
[pid 10351] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10347] <... ioctl resumed>) = 0
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10328, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5071] <... close resumed>) = 0
[pid 10351] <... futex resumed>) = 0
[pid 10347] close(3 <unfinished ...>
[pid 10338] <... write resumed>) = 299008
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10352 attached
<unfinished ...>
[pid 10351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10350] <... write resumed>) = 2097152
[pid 10347] <... close resumed>) = 0
[pid 10338] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10336] exit_group(0 <unfinished ...>
[pid 5072] <... restart_syscall resumed>) = 0
[pid 10351] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10350] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10349] <... futex resumed>) = ?
[pid 10347] mkdir("./file0", 0777 <unfinished ...>
[pid 10338] <... futex resumed>) = ?
[pid 10336] <... exit_group resumed>) = ?
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10352
[pid 10351] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10350] <... munmap resumed>) = 0
[pid 10349] +++ exited with 0 +++
[pid 10351] <... mprotect resumed>) = 0
[pid 10347] <... mkdir resumed>) = 0
[pid 10351] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10353], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10353
[pid 10351] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10351] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10338] +++ exited with 0 +++
[pid 10336] +++ exited with 0 +++
[pid 10347] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 10353 attached
<unfinished ...>
[pid 10352] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10350] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10336, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5072] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10353] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10352] <... set_robust_list resumed>) = 0
[pid 10350] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10353] <... set_robust_list resumed>) = 0
[pid 10352] chdir("./217" <unfinished ...>
[ 274.796879][T10347] loop3: detected capacity change from 0 to 4096
[pid 10350] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10353] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10352] <... chdir resumed>) = 0
[pid 10350] <... ioctl resumed>) = 0
[pid 10353] <... memfd_create resumed>) = 3
[pid 10352] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10352] <... prctl resumed>) = 0
[pid 10353] <... mmap resumed>) = 0x7fe424ef8000
[pid 10352] setpgid(0, 0 <unfinished ...>
[pid 10350] close(3 <unfinished ...>
[pid 10352] <... setpgid resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10350] <... close resumed>) = 0
[pid 10352] <... openat resumed>) = 3
[pid 10352] write(3, "1000", 4 <unfinished ...>
[pid 10350] mkdir("./file0", 0777 <unfinished ...>
[pid 10352] <... write resumed>) = 4
[pid 10352] close(3 <unfinished ...>
[pid 10350] <... mkdir resumed>) = 0
[pid 10352] <... close resumed>) = 0
[pid 10352] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10350] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10352] <... symlink resumed>) = 0
[pid 10352] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10352] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10352] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10354], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10354
[pid 10352] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10352] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10354 attached
<unfinished ...>
[pid 10354] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10354] memfd_create("syzkaller", 0) = 3
[pid 10354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 5074] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] fstat(3, <unfinished ...>
[pid 5072] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] unlink("./218/binderfs") = 0
[pid 5074] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./218/binderfs" <unfinished ...>
[pid 10353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 274.838340][T10350] loop0: detected capacity change from 0 to 4096
[ 274.843717][T10347] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 274.854770][T10347] NILFS (loop3): trying rollback from an earlier position
[ 274.872540][T10350] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 274.908916][T10350] NILFS (loop0): trying rollback from an earlier position
[ 274.909032][T10347] NILFS (loop3): recovery complete
[ 274.947667][T10350] NILFS (loop0): recovery complete
[pid 10354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10350] <... mount resumed>) = 0
[pid 10350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5074] <... umount2 resumed>) = 0
[pid 10350] chdir("./file0") = 0
[pid 10350] ioctl(4, LOOP_CLR_FD) = 0
[pid 10350] close(4) = 0
[pid 10350] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10348] <... futex resumed>) = 0
[pid 10348] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10348] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10350] <... futex resumed>) = 1
[pid 10350] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 10347] <... mount resumed>) = 0
[pid 10353] <... write resumed>) = 2097152
[pid 10353] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10353] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10353] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10347] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10347] <... openat resumed>) = 3
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./218/file0", <unfinished ...>
[pid 10347] chdir("./file0" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10347] <... chdir resumed>) = 0
[pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10347] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10354] <... write resumed>) = 2097152
[pid 10353] <... ioctl resumed>) = 0
[pid 10350] <... openat resumed>) = 4
[pid 10347] <... ioctl resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10354] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10350] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10348] <... futex resumed>) = 0
[pid 10350] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10348] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10348] <... futex resumed>) = 0
[pid 10350] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10348] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10354] <... munmap resumed>) = 0
[pid 10353] close(3 <unfinished ...>
[pid 10347] close(4 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10354] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10353] <... close resumed>) = 0
[pid 10347] <... close resumed>) = 0
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] lstat("./218/file0", <unfinished ...>
[pid 10354] <... openat resumed>) = 4
[pid 10353] mkdir("./file0", 0777 <unfinished ...>
[ 274.957757][T10355] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.984479][T10356] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 274.994227][T10353] loop5: detected capacity change from 0 to 4096
[pid 10347] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10354] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10353] <... mkdir resumed>) = 0
[pid 10347] <... futex resumed>) = 1
[pid 10346] <... futex resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10354] <... ioctl resumed>) = 0
[pid 10353] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10347] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10346] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10346] <... futex resumed>) = 0
[pid 10348] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10346] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10348] <... futex resumed>) = 0
[pid 10348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10348] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10348] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10354] close(3 <unfinished ...>
[pid 10348] <... clone resumed>, parent_tid=[10357], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10357
[pid 10348] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10348] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10357 attached
<unfinished ...>
[pid 10357] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10357] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10357] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10348] <... futex resumed>) = 0
[pid 10357] <... futex resumed>) = 1
[pid 10357] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10347] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10354] <... close resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... openat resumed>) = 4
[pid 5074] close(4 <unfinished ...>
[pid 10354] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10354] <... mkdir resumed>) = 0
[pid 5074] rmdir("./218/file0" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10354] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10347] <... openat resumed>) = 4
[pid 5074] getdents64(3, <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10347] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10346] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10347] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10346] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5074] close(3 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10346] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5074] rmdir("./218" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5074] mkdir("./219", 0777 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5072] rmdir("./218/file0" <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[ 275.043714][T10354] loop1: detected capacity change from 0 to 4096
[ 275.062504][T10353] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 275.071599][T10353] NILFS (loop5): trying rollback from an earlier position
[pid 5074] close(3 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./218" <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] mkdir("./219", 0777 <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10358
./strace-static-x86_64: Process 10358 attached
[pid 5072] <... mkdir resumed>) = 0
[pid 10346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10346] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10346] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10358] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10350] <... write resumed>) = 212992
[pid 10346] <... mprotect resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10358] <... set_robust_list resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 10358] chdir("./219" <unfinished ...>
[pid 10350] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10346] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10358] <... chdir resumed>) = 0
[pid 10350] <... futex resumed>) = 0
[ 275.115215][T10354] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 275.136085][T10354] NILFS (loop1): trying rollback from an earlier position
[ 275.143447][T10353] NILFS (loop5): recovery complete
[pid 10348] exit_group(0 <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10358] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10357] <... futex resumed>) = ?
[pid 10348] <... exit_group resumed>) = ?
[pid 10346] <... clone resumed>, parent_tid=[10360], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10360
[pid 10357] +++ exited with 0 +++
[pid 10350] +++ exited with 0 +++
[pid 10348] +++ exited with 0 +++
[pid 10346] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10346] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10353] <... mount resumed>) = 0
[pid 10358] <... prctl resumed>) = 0
[pid 10353] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10361
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10348, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 10358] setpgid(0, 0 <unfinished ...>
[pid 10353] <... openat resumed>) = 3
[pid 10358] <... setpgid resumed>) = 0
[pid 10353] chdir("./file0" <unfinished ...>
[pid 10358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10353] <... chdir resumed>) = 0
[pid 10358] <... openat resumed>) = 3
[pid 10353] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10358] write(3, "1000", 4 <unfinished ...>
[pid 10353] <... ioctl resumed>) = 0
[pid 10353] close(4 <unfinished ...>
[pid 10358] <... write resumed>) = 4
[pid 10353] <... close resumed>) = 0
[pid 10358] close(3 <unfinished ...>
[pid 10353] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10358] <... close resumed>) = 0
[pid 10353] <... futex resumed>) = 1
[pid 10351] <... futex resumed>) = 0
./strace-static-x86_64: Process 10361 attached
[pid 10358] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10353] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10361] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10358] <... symlink resumed>) = 0
[pid 10353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10351] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10360 attached
[pid 10361] <... set_robust_list resumed>) = 0
[pid 10358] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10353] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10351] <... futex resumed>) = 0
[pid 10361] chdir("./219" <unfinished ...>
[pid 10360] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10358] <... futex resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10361] <... chdir resumed>) = 0
[pid 10358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10351] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10361] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10358] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10361] <... prctl resumed>) = 0
[pid 5070] fstat(3, <unfinished ...>
[pid 10361] setpgid(0, 0 <unfinished ...>
[pid 10360] <... set_robust_list resumed>) = 0
[pid 10358] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10361] <... setpgid resumed>) = 0
[pid 10360] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10354] <... mount resumed>) = 0
[pid 10361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10360] <... mmap resumed>) = 0x20000000
[pid 10358] <... mprotect resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10360] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10346] <... futex resumed>) = 0
[pid 10360] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10361] <... openat resumed>) = 3
[pid 10358] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10354] <... openat resumed>) = 3
[pid 10354] chdir("./file0" <unfinished ...>
[pid 5070] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10361] write(3, "1000", 4 <unfinished ...>
[pid 10358] <... clone resumed>, parent_tid=[10363], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10363
[pid 10354] <... chdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10361] <... write resumed>) = 4
[pid 10361] close(3 <unfinished ...>
[pid 10358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10354] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] lstat("./216/binderfs", ./strace-static-x86_64: Process 10363 attached
<unfinished ...>
[pid 10361] <... close resumed>) = 0
[pid 10358] <... futex resumed>) = 0
[pid 10354] <... ioctl resumed>) = 0
[pid 10363] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10361] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10354] close(4 <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10361] <... symlink resumed>) = 0
[pid 10363] <... set_robust_list resumed>) = 0
[pid 10361] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10354] <... close resumed>) = 0
[pid 5070] unlink("./216/binderfs" <unfinished ...>
[pid 10363] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10361] <... futex resumed>) = 0
[pid 10354] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 275.172342][T10354] NILFS (loop1): recovery complete
[ 275.186127][T10359] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 275.207113][T10362] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10363] <... memfd_create resumed>) = 3
[pid 10361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10354] <... futex resumed>) = 1
[pid 10352] <... futex resumed>) = 0
[pid 10351] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 10363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10361] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10354] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10352] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10351] <... futex resumed>) = 0
[pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10363] <... mmap resumed>) = 0x7fe424ef8000
[pid 10361] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10352] <... futex resumed>) = 0
[pid 10351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10361] <... mprotect resumed>) = 0
[pid 10352] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10351] <... mmap resumed>) = 0x7fe4250d7000
[pid 10361] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10353] <... openat resumed>) = 4
[pid 10353] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10351] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10353] <... futex resumed>) = 0
[pid 10351] <... mprotect resumed>) = 0
[pid 10353] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10351] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10361] <... clone resumed>, parent_tid=[10364], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10364
[pid 10361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10351] <... clone resumed>, parent_tid=[10365], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10365
[pid 10361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10351] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10354] <... openat resumed>) = 4
[pid 10354] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10351] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10354] <... futex resumed>) = 1
[pid 10352] <... futex resumed>) = 0
[pid 10354] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10352] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10352] <... futex resumed>) = 0
[pid 10354] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10352] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10364 attached
<unfinished ...>
[pid 10364] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10364] memfd_create("syzkaller", 0./strace-static-x86_64: Process 10365 attached
<unfinished ...>
[pid 10365] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10364] <... memfd_create resumed>) = 3
[pid 10364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10365] <... set_robust_list resumed>) = 0
[pid 10365] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10351] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10353] <... futex resumed>) = 0
[pid 10352] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10351] <... futex resumed>) = 1
[pid 10353] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10352] <... futex resumed>) = 0
[pid 10351] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10353] <... mmap resumed>) = 0x20000000
[pid 10352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10353] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10352] <... mmap resumed>) = 0x7fe4250d7000
[pid 10351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10353] <... futex resumed>) = 0
[pid 10352] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10353] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10352] <... mprotect resumed>) = 0
[pid 10352] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10352] <... clone resumed>, parent_tid=[10366], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10366
[pid 5070] lstat("./216/file0", <unfinished ...>
[pid 10352] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10352] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10365] <... write resumed>) = 90112
./strace-static-x86_64: Process 10366 attached
[pid 10365] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10365] <... futex resumed>) = 0
[pid 10351] exit_group(0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10366] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10353] <... futex resumed>) = ?
[pid 10351] <... exit_group resumed>) = ?
[pid 5070] <... openat resumed>) = 4
[pid 10353] +++ exited with 0 +++
[pid 10365] +++ exited with 0 +++
[pid 10351] +++ exited with 0 +++
[pid 10366] <... set_robust_list resumed>) = 0
[pid 5070] fstat(4, <unfinished ...>
[pid 10366] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10351, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10366] <... mmap resumed>) = 0x20000000
[pid 5070] getdents64(4, <unfinished ...>
[pid 10366] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10366] <... futex resumed>) = 1
[pid 10352] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10366] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10363] <... write resumed>) = 2097152
[pid 10347] <... write resumed>) = 479232
[pid 5075] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10363] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10347] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10363] <... munmap resumed>) = 0
[pid 10347] <... futex resumed>) = 0
[pid 10346] exit_group(0 <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10363] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10360] <... futex resumed>) = ?
[pid 10346] <... exit_group resumed>) = ?
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 10363] <... openat resumed>) = 4
[pid 10360] +++ exited with 0 +++
[pid 10347] +++ exited with 0 +++
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] rmdir("./216/file0" <unfinished ...>
[pid 10363] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10346] +++ exited with 0 +++
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... rmdir resumed>) = 0
[pid 10364] <... write resumed>) = 2097152
[pid 5075] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10346, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5070] getdents64(3, <unfinished ...>
[pid 10364] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10363] <... ioctl resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10363] close(3 <unfinished ...>
[pid 5075] lstat("./222/binderfs", <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10363] <... close resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 10364] <... munmap resumed>) = 0
[pid 10363] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] unlink("./222/binderfs" <unfinished ...>
[pid 5070] rmdir("./216" <unfinished ...>
[pid 10364] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10363] <... mkdir resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10363] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] mkdir("./217", 0777 <unfinished ...>
[pid 10364] <... openat resumed>) = 4
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... mkdir resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5070] <... openat resumed>) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] getdents64(3, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[ 275.421807][T10363] loop4: detected capacity change from 0 to 4096
[ 275.450764][T10363] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10364] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... close resumed>) = 0
[pid 5073] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] lstat("./220/binderfs", <unfinished ...>
[pid 10364] <... ioctl resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10367
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10364] close(3 <unfinished ...>
[pid 5073] unlink("./220/binderfs") = 0
./strace-static-x86_64: Process 10367 attached
[pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10367] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10367] chdir("./217") = 0
[pid 10367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10367] setpgid(0, 0) = 0
[pid 10367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10367] write(3, "1000", 4 <unfinished ...>
[pid 10354] <... write resumed>) = 323584
[pid 10367] <... write resumed>) = 4
[pid 10367] close(3) = 0
[pid 10367] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10367] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10367] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10367] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10368], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10368
[pid 10367] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10354] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10367] <... futex resumed>) = 0
[pid 10367] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10354] <... futex resumed>) = 0
[pid 10352] exit_group(0 <unfinished ...>
[pid 10366] <... futex resumed>) = ?
[pid 10352] <... exit_group resumed>) = ?
[pid 10366] +++ exited with 0 +++
[pid 10364] <... close resumed>) = 0
./strace-static-x86_64: Process 10368 attached
[pid 10368] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10368] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10354] +++ exited with 0 +++
[pid 10352] +++ exited with 0 +++
[pid 10364] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10352, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 10368] <... memfd_create resumed>) = 3
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... restart_syscall resumed>) = 0
[pid 10368] <... mmap resumed>) = 0x7fe424ef8000
[pid 10364] <... mkdir resumed>) = 0
[pid 10364] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5071] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./217/binderfs") = 0
[pid 5075] <... umount2 resumed>) = 0
[ 275.471368][T10364] loop2: detected capacity change from 0 to 4096
[ 275.481098][T10363] NILFS (loop4): trying rollback from an earlier position
[pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] close(4) = 0
[pid 5075] rmdir("./222/file0") = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3) = 0
[pid 5075] rmdir("./222" <unfinished ...>
[pid 10368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] mkdir("./223", 0777) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5075] close(3) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10369
[ 275.542096][T10364] NILFS (loop2): invalid segment: Checksum error in segment payload
./strace-static-x86_64: Process 10369 attached
[pid 10369] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10369] chdir("./223") = 0
[pid 10369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10369] setpgid(0, 0) = 0
[pid 10369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10369] write(3, "1000", 4) = 4
[pid 10369] close(3) = 0
[pid 10369] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10369] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 10369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10369] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10369] <... mprotect resumed>) = 0
[pid 5073] lstat("./220/file0", <unfinished ...>
[pid 10369] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10369] <... clone resumed>, parent_tid=[10370], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10370
[pid 10369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10369] <... futex resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10363] <... mount resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10368] <... write resumed>) = 2097152
[pid 10363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... openat resumed>) = 4
./strace-static-x86_64: Process 10370 attached
[pid 10370] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 10363] <... openat resumed>) = 3
[pid 10370] <... set_robust_list resumed>) = 0
[pid 10370] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10370] <... memfd_create resumed>) = 3
[pid 5073] getdents64(4, <unfinished ...>
[pid 10370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10363] chdir("./file0" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10370] <... mmap resumed>) = 0x7fe424ef8000
[pid 10363] <... chdir resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 10363] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... umount2 resumed>) = 0
[pid 10363] <... ioctl resumed>) = 0
[ 275.587163][T10363] NILFS (loop4): recovery complete
[ 275.595505][T10364] NILFS (loop2): trying rollback from an earlier position
[ 275.621155][T10371] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] close(4 <unfinished ...>
[pid 10363] close(4 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10363] <... close resumed>) = 0
[pid 5073] rmdir("./220/file0" <unfinished ...>
[pid 10368] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 10368] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10363] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10363] <... futex resumed>) = 1
[pid 10358] <... futex resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10363] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] lstat("./217/file0", <unfinished ...>
[pid 10363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10358] <... futex resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10363] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10364] <... mount resumed>) = 0
[pid 10363] <... openat resumed>) = 4
[pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10368] <... ioctl resumed>) = 0
[pid 10368] close(3) = 0
[pid 10368] mkdir("./file0", 0777 <unfinished ...>
[pid 10363] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] rmdir("./220" <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10363] <... futex resumed>) = 1
[pid 10358] <... futex resumed>) = 0
[pid 10358] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10358] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10363] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10368] <... mkdir resumed>) = 0
[pid 10368] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] mkdir("./221", 0777 <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5073] <... mkdir resumed>) = 0
[ 275.652935][T10368] loop0: detected capacity change from 0 to 4096
[ 275.671109][T10364] NILFS (loop2): recovery complete
[ 275.680387][T10372] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10364] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5071] fstat(4, <unfinished ...>
[pid 10364] <... openat resumed>) = 3
[pid 5073] <... openat resumed>) = 3
[pid 10364] chdir("./file0" <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10364] <... chdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10364] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10364] <... ioctl resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10364] close(4 <unfinished ...>
[pid 10358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] <... close resumed>) = 0
[pid 10364] <... close resumed>) = 0
[pid 10358] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10358] <... futex resumed>) = 0
[pid 10358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10358] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10364] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10358] <... mprotect resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10373
[pid 5071] close(4 <unfinished ...>
[pid 10358] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10364] <... futex resumed>) = 1
[pid 10361] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10364] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10358] <... clone resumed>, parent_tid=[10374], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10374
[pid 5071] rmdir("./217/file0" <unfinished ...>
[pid 10361] <... futex resumed>) = 0
[pid 10358] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10364] <... openat resumed>) = 4
[pid 10361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10358] <... futex resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
./strace-static-x86_64: Process 10373 attached
[pid 10364] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10358] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10373] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10364] <... futex resumed>) = 1
[pid 10361] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 10374 attached
[pid 10374] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10364] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10373] <... set_robust_list resumed>) = 0
[pid 10361] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10374] <... set_robust_list resumed>) = 0
[pid 10364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10361] <... futex resumed>) = 0
[pid 10374] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10373] chdir("./221" <unfinished ...>
[pid 10364] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10374] <... mmap resumed>) = 0x20000000
[pid 10373] <... chdir resumed>) = 0
[pid 10361] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10374] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10358] <... futex resumed>) = 0
[pid 10374] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10373] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] rmdir("./217" <unfinished ...>
[pid 10373] <... prctl resumed>) = 0
[pid 10373] setpgid(0, 0 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[ 275.722389][T10368] NILFS (loop0): invalid segment: Checksum error in segment payload
[pid 10373] <... setpgid resumed>) = 0
[pid 10373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] mkdir("./218", 0777 <unfinished ...>
[pid 10373] <... openat resumed>) = 3
[pid 10373] write(3, "1000", 4 <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 10373] <... write resumed>) = 4
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10373] close(3) = 0
[pid 5071] <... openat resumed>) = 3
[pid 10373] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10370] <... write resumed>) = 2097152
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10370] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10370] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid 10370] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10373] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10373] <... futex resumed>) = 0
[pid 5071] close(3) = 0
[pid 10373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10373] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10373] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10375
[pid 10373] <... mprotect resumed>) = 0
[pid 10373] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10376], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10376
[pid 10373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10370] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 10375 attached
[pid 10370] close(3./strace-static-x86_64: Process 10376 attached
<unfinished ...>
[pid 10375] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10370] <... close resumed>) = 0
[pid 10375] <... set_robust_list resumed>) = 0
[pid 10370] mkdir("./file0", 0777 <unfinished ...>
[pid 10376] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10375] chdir("./218" <unfinished ...>
[pid 10370] <... mkdir resumed>) = 0
[pid 10361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10376] <... set_robust_list resumed>) = 0
[pid 10375] <... chdir resumed>) = 0
[pid 10370] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10361] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10376] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10375] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10361] <... futex resumed>) = 0
[pid 10376] <... memfd_create resumed>) = 3
[pid 10375] <... prctl resumed>) = 0
[pid 10361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[ 275.789137][T10368] NILFS (loop0): trying rollback from an earlier position
[ 275.802208][T10370] loop5: detected capacity change from 0 to 4096
[pid 10376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10375] setpgid(0, 0 <unfinished ...>
[pid 10361] <... mmap resumed>) = 0x7fe4250d7000
[pid 10376] <... mmap resumed>) = 0x7fe424ef8000
[pid 10375] <... setpgid resumed>) = 0
[pid 10361] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10361] <... mprotect resumed>) = 0
[pid 10375] <... openat resumed>) = 3
[pid 10375] write(3, "1000", 4 <unfinished ...>
[pid 10361] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10375] <... write resumed>) = 4
[pid 10375] close(3 <unfinished ...>
[pid 10361] <... clone resumed>, parent_tid=[10377], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10377
[pid 10375] <... close resumed>) = 0
[pid 10361] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10375] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10361] <... futex resumed>) = 0
[pid 10375] <... symlink resumed>) = 0
[pid 10361] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10377 attached
<unfinished ...>
[pid 10375] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10377] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10377] <... set_robust_list resumed>) = 0
[pid 10375] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10375] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10377] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10375] <... mprotect resumed>) = 0
[pid 10375] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10379], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10379
[pid 10377] <... mmap resumed>) = 0x20000000
[pid 10375] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10375] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10377] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10368] <... mount resumed>) = 0
[pid 10368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10377] <... futex resumed>) = 1
[pid 10368] <... openat resumed>) = 3
[pid 10361] <... futex resumed>) = 0
[ 275.857662][T10368] NILFS (loop0): recovery complete
[ 275.877106][T10370] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 10377] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10368] chdir("./file0") = 0
[pid 10368] ioctl(4, LOOP_CLR_FD) = 0
[pid 10368] close(4) = 0
[pid 10368] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10367] <... futex resumed>) = 0
[pid 10368] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10367] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10367] <... futex resumed>) = 0
[pid 10368] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10367] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10379 attached
<unfinished ...>
[pid 10379] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10379] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10368] <... openat resumed>) = 4
[pid 10379] <... memfd_create resumed>) = 3
[pid 10368] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10368] <... futex resumed>) = 1
[pid 10367] <... futex resumed>) = 0
[pid 10379] <... mmap resumed>) = 0x7fe424ef8000
[pid 10368] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10367] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10367] <... futex resumed>) = 0
[pid 10368] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 275.901244][T10378] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 275.919021][T10370] NILFS (loop5): trying rollback from an earlier position
[pid 10367] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10364] <... write resumed>) = 208896
[pid 10363] <... write resumed>) = 454656
[pid 10364] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10363] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10361] exit_group(0 <unfinished ...>
[pid 10358] exit_group(0 <unfinished ...>
[pid 10379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10376] <... write resumed>) = 2097152
[pid 10374] <... futex resumed>) = ?
[pid 10363] <... futex resumed>) = ?
[pid 10361] <... exit_group resumed>) = ?
[pid 10358] <... exit_group resumed>) = ?
[pid 10364] <... futex resumed>) = ?
[pid 10377] <... futex resumed>) = ?
[pid 10376] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10374] +++ exited with 0 +++
[pid 10363] +++ exited with 0 +++
[pid 10358] +++ exited with 0 +++
[pid 10364] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10358, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 10377] +++ exited with 0 +++
[pid 10361] +++ exited with 0 +++
[pid 5074] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10361, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5074] fstat(3, <unfinished ...>
[pid 10376] <... munmap resumed>) = 0
[pid 10367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10367] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 10376] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10367] <... futex resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10376] <... openat resumed>) = 4
[pid 10367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10376] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10367] <... mmap resumed>) = 0x7fe4250d7000
[ 275.982344][T10370] NILFS (loop5): recovery complete
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10367] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] lstat("./219/binderfs", <unfinished ...>
[pid 10367] <... mprotect resumed>) = 0
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10367] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] unlink("./219/binderfs") = 0
[pid 5072] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10367] <... clone resumed>, parent_tid=[10381], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10381
[pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10370] <... mount resumed>) = 0
[pid 10367] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10367] <... futex resumed>) = 0
[pid 10370] <... openat resumed>) = 3
[pid 10367] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10370] chdir("./file0" <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 10370] <... chdir resumed>) = 0
[pid 10370] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10381 attached
[pid 10376] <... ioctl resumed>) = 0
[pid 10370] <... ioctl resumed>) = 0
[pid 10381] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10370] close(4 <unfinished ...>
[pid 10381] <... set_robust_list resumed>) = 0
[pid 10370] <... close resumed>) = 0
[pid 10381] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10381] <... mmap resumed>) = 0x20000000
[pid 10370] <... futex resumed>) = 1
[pid 10369] <... futex resumed>) = 0
[pid 10370] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10369] <... futex resumed>) = 0
[pid 10381] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10370] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10381] <... futex resumed>) = 1
[pid 10367] <... futex resumed>) = 0
[pid 10381] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10376] close(3 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10376] <... close resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10376] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10376] <... mkdir resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10376] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] unlink("./219/binderfs") = 0
[pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10370] <... openat resumed>) = 4
[pid 10370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10369] <... futex resumed>) = 0
[pid 10370] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10369] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10369] <... futex resumed>) = 0
[pid 10370] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 276.010771][T10376] loop3: detected capacity change from 0 to 4096
[ 276.020816][T10380] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10369] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10368] <... write resumed>) = 172032
[pid 10368] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10367] exit_group(0 <unfinished ...>
[pid 10381] <... futex resumed>) = ?
[pid 10367] <... exit_group resumed>) = ?
[pid 10381] +++ exited with 0 +++
[pid 10379] <... write resumed>) = 2097152
[pid 10368] +++ exited with 0 +++
[pid 10367] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10367, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5070] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] unlink("./217/binderfs") = 0
[pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10379] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10369] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10369] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10369] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10382], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10382
[pid 10369] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10369] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10379] <... munmap resumed>) = 0
[pid 10379] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[ 276.078076][T10376] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 276.094592][T10376] NILFS (loop3): trying rollback from an earlier position
[pid 10379] <... openat resumed>) = 4
[pid 10379] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10382 attached
<unfinished ...>
[pid 10382] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10382] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10382] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10369] <... futex resumed>) = 0
[pid 10382] <... futex resumed>) = 1
[pid 10382] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10379] <... ioctl resumed>) = 0
[pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./219/file0", <unfinished ...>
[pid 10379] close(3 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10379] <... close resumed>) = 0
[pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10379] mkdir("./file0", 0777 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10379] <... mkdir resumed>) = 0
[pid 5074] lstat("./219/file0", <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 10379] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5072] rmdir("./219/file0" <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5074] fstat(4, <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[ 276.148501][T10379] loop1: detected capacity change from 0 to 4096
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] <... close resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5072] rmdir("./219" <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 5074] close(4 <unfinished ...>
[pid 5072] mkdir("./220", 0777 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./217/file0", <unfinished ...>
[pid 5072] <... mkdir resumed>) = 0
[pid 5074] rmdir("./219/file0" <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5074] getdents64(3, <unfinished ...>
[pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] <... openat resumed>) = 3
[pid 5074] close(3 <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] close(4) = 0
[pid 5070] rmdir("./217/file0") = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./217") = 0
[pid 5070] mkdir("./218", 0777 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... mkdir resumed>) = 0
[pid 5074] rmdir("./219" <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10376] <... mount resumed>) = 0
[pid 10370] <... write resumed>) = 192512
[pid 5074] <... rmdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10370] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10370] <... futex resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10370] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10369] exit_group(0 <unfinished ...>
[pid 5074] mkdir("./220", 0777 <unfinished ...>
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10382] <... futex resumed>) = ?
[pid 10376] <... openat resumed>) = 3
[pid 10370] <... futex resumed>) = ?
[pid 10369] <... exit_group resumed>) = ?
[pid 5070] <... close resumed>) = 0
[pid 10382] +++ exited with 0 +++
[pid 10376] chdir("./file0" <unfinished ...>
[pid 10370] +++ exited with 0 +++
[pid 10369] +++ exited with 0 +++
[pid 5074] <... mkdir resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10376] <... chdir resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10384
./strace-static-x86_64: Process 10385 attached
./strace-static-x86_64: Process 10384 attached
[pid 10376] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10369, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5074] <... openat resumed>) = 3
[pid 10376] <... ioctl resumed>) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10376] close(4 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10376] <... close resumed>) = 0
[pid 10376] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10385
[pid 10376] <... futex resumed>) = 1
[pid 10373] <... futex resumed>) = 0
[pid 5075] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 10376] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 10376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10373] <... futex resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10376] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10385] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10385] chdir("./218" <unfinished ...>
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10386
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10376] <... openat resumed>) = 4
[pid 5075] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10376] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10376] <... futex resumed>) = 1
[pid 10373] <... futex resumed>) = 0
[pid 5075] lstat("./223/binderfs", <unfinished ...>
[pid 10376] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10373] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10385] <... chdir resumed>) = 0
[pid 10376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10373] <... futex resumed>) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10385] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10384] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10376] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10373] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] unlink("./223/binderfs" <unfinished ...>
[pid 10385] <... prctl resumed>) = 0
[pid 10384] <... set_robust_list resumed>) = 0
[pid 10385] setpgid(0, 0 <unfinished ...>
[pid 10384] chdir("./220" <unfinished ...>
[pid 10385] <... setpgid resumed>) = 0
[pid 10384] <... chdir resumed>) = 0
[pid 10385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10384] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10385] write(3, "1000", 4) = 4
[pid 10384] <... prctl resumed>) = 0
[pid 10385] close(3 <unfinished ...>
[pid 10384] setpgid(0, 0 <unfinished ...>
[pid 10385] <... close resumed>) = 0
[pid 10384] <... setpgid resumed>) = 0
[pid 10385] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10385] <... symlink resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[ 276.207557][T10376] NILFS (loop3): recovery complete
[ 276.224333][T10379] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 276.233718][T10379] NILFS (loop1): trying rollback from an earlier position
[ 276.234701][T10383] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10385] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10384] <... openat resumed>) = 3
[pid 5075] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10384] write(3, "1000", 4 <unfinished ...>
[pid 10385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10384] <... write resumed>) = 4
[pid 10385] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10384] close(3 <unfinished ...>
[pid 10385] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10384] <... close resumed>) = 0
[pid 10385] <... mprotect resumed>) = 0
[pid 10384] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10385] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10384] <... symlink resumed>) = 0
[pid 10384] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10385] <... clone resumed>, parent_tid=[10387], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10387
[pid 10384] <... futex resumed>) = 0
[pid 10385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10384] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10384] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10384] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10388], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10388
[pid 10384] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10384] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10387 attached
<unfinished ...>
[pid 10387] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10387] memfd_create("syzkaller", 0./strace-static-x86_64: Process 10388 attached
<unfinished ...>
[pid 10388] set_robust_list(0x7fe42d3189e0, 24./strace-static-x86_64: Process 10386 attached
) = 0
[pid 10387] <... memfd_create resumed>) = 3
[pid 10388] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10386] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10388] <... memfd_create resumed>) = 3
[pid 10387] <... mmap resumed>) = 0x7fe424ef8000
[pid 10386] <... set_robust_list resumed>) = 0
[pid 10388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10386] chdir("./220") = 0
[pid 10386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10386] setpgid(0, 0) = 0
[ 276.277722][T10379] NILFS (loop1): recovery complete
[pid 10386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10379] <... mount resumed>) = 0
[pid 10388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10386] write(3, "1000", 4 <unfinished ...>
[pid 10379] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10386] <... write resumed>) = 4
[pid 10379] <... openat resumed>) = 3
[pid 10373] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10386] close(3 <unfinished ...>
[pid 10379] chdir("./file0" <unfinished ...>
[pid 10373] <... futex resumed>) = 0
[pid 10386] <... close resumed>) = 0
[pid 10373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10386] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10379] <... chdir resumed>) = 0
[pid 10373] <... mmap resumed>) = 0x7fe4250d7000
[pid 10386] <... symlink resumed>) = 0
[pid 10379] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10373] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10386] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10379] <... ioctl resumed>) = 0
[pid 10373] <... mprotect resumed>) = 0
[pid 10379] close(4 <unfinished ...>
[pid 10386] <... futex resumed>) = 0
[pid 10373] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10379] <... close resumed>) = 0
[pid 10386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10379] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10386] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10379] <... futex resumed>) = 1
[pid 10375] <... futex resumed>) = 0
[pid 10373] <... clone resumed>, parent_tid=[10390], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10390
[pid 10375] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10375] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10386] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10379] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10373] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10386] <... mprotect resumed>) = 0
[pid 10373] <... futex resumed>) = 0
[pid 10386] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10373] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10386] <... clone resumed>, parent_tid=[10391], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10391
[pid 10386] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10386] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10390 attached
./strace-static-x86_64: Process 10391 attached
<unfinished ...>
[pid 10390] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10391] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10390] <... set_robust_list resumed>) = 0
[pid 10391] <... set_robust_list resumed>) = 0
[pid 10390] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10379] <... openat resumed>) = 4
[ 276.306782][T10389] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10391] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10390] <... mmap resumed>) = 0x20000000
[pid 10379] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 10379] <... futex resumed>) = 1
[pid 10375] <... futex resumed>) = 0
[pid 10379] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10375] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10375] <... futex resumed>) = 0
[pid 10379] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10375] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10391] <... memfd_create resumed>) = 3
[pid 10390] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10390] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10391] <... mmap resumed>) = 0x7fe424ef8000
[pid 10390] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5075] lstat("./223/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10376] <... write resumed>) = 172032
[pid 5075] getdents64(4, <unfinished ...>
[pid 10376] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10388] <... write resumed>) = 2097152
[pid 10376] <... futex resumed>) = 0
[pid 5075] close(4 <unfinished ...>
[pid 10376] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10373] exit_group(0 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 10390] <... futex resumed>) = ?
[pid 10376] <... futex resumed>) = ?
[pid 10373] <... exit_group resumed>) = ?
[pid 5075] rmdir("./223/file0" <unfinished ...>
[pid 10390] +++ exited with 0 +++
[pid 10376] +++ exited with 0 +++
[pid 10387] <... write resumed>) = 2097152
[pid 10373] +++ exited with 0 +++
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10373, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] rmdir("./223" <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5075] mkdir("./224", 0777 <unfinished ...>
[pid 5073] fstat(3, <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... close resumed>) = 0
[pid 5073] lstat("./221/binderfs", <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5073] unlink("./221/binderfs" <unfinished ...>
[pid 10375] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10392
[pid 10375] <... futex resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 10387] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10392 attached
<unfinished ...>
[pid 10388] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10387] <... munmap resumed>) = 0
[pid 10375] <... mmap resumed>) = 0x7fe4250d7000
[pid 10392] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10388] <... munmap resumed>) = 0
[pid 10387] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10375] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10392] <... set_robust_list resumed>) = 0
[pid 10391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10388] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10387] <... openat resumed>) = 4
[pid 10375] <... mprotect resumed>) = 0
[pid 10388] <... openat resumed>) = 4
[pid 10387] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10375] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10392] chdir("./224" <unfinished ...>
[pid 10388] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10387] <... ioctl resumed>) = 0
[pid 10392] <... chdir resumed>) = 0
[pid 10375] <... clone resumed>, parent_tid=[10393], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10393
[pid 10392] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10375] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10392] <... prctl resumed>) = 0
[pid 10375] <... futex resumed>) = 0
[pid 10392] setpgid(0, 0 <unfinished ...>
[pid 10375] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10393 attached
<unfinished ...>
[pid 10393] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10393] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10393] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10375] <... futex resumed>) = 0
[pid 10392] <... setpgid resumed>) = 0
[pid 10393] <... futex resumed>) = 1
[pid 10392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10393] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10392] <... openat resumed>) = 3
[pid 10387] close(3) = 0
[pid 10392] write(3, "1000", 4) = 4
[pid 10392] close(3 <unfinished ...>
[pid 10387] mkdir("./file0", 0777 <unfinished ...>
[pid 10392] <... close resumed>) = 0
[pid 10392] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10388] <... ioctl resumed>) = 0
[pid 10392] <... symlink resumed>) = 0
[pid 10388] close(3 <unfinished ...>
[pid 10387] <... mkdir resumed>) = 0
[pid 10392] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10388] <... close resumed>) = 0
[pid 10387] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10392] <... futex resumed>) = 0
[pid 10388] mkdir("./file0", 0777) = 0
[pid 10392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10388] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10392] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10392] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10392] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[ 276.477787][T10387] loop0: detected capacity change from 0 to 4096
[ 276.485310][T10388] loop2: detected capacity change from 0 to 4096
[pid 10391] <... write resumed>) = 2097152
[pid 10392] <... clone resumed>, parent_tid=[10394], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10394
[pid 10392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10394 attached
) = 0
[pid 10391] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10394] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10391] <... munmap resumed>) = 0
[pid 10394] <... set_robust_list resumed>) = 0
[pid 10391] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid 10394] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10391] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10394] <... memfd_create resumed>) = 3
[pid 10391] <... ioctl resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 10394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10391] close(3 <unfinished ...>
[pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10379] <... write resumed>) = 233472
[pid 10379] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10379] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10375] exit_group(0 <unfinished ...>
[pid 10393] <... futex resumed>) = ?
[pid 10379] <... futex resumed>) = ?
[pid 10393] +++ exited with 0 +++
[pid 10379] +++ exited with 0 +++
[pid 10375] <... exit_group resumed>) = ?
[pid 10375] +++ exited with 0 +++
[pid 10394] <... mmap resumed>) = 0x7fe424ef8000
[pid 10391] <... close resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10391] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] lstat("./221/file0", <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10375, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10391] <... mkdir resumed>) = 0
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10391] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 276.555419][T10391] loop4: detected capacity change from 0 to 4096
[ 276.561352][T10388] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 276.568347][T10387] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 276.571443][T10388] NILFS (loop2): trying rollback from an earlier position
[ 276.579254][T10387] NILFS (loop0): trying rollback from an earlier position
[pid 10394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] close(4 <unfinished ...>
[pid 5071] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] rmdir("./221/file0" <unfinished ...>
[pid 5071] lstat("./218/binderfs", <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5071] unlink("./218/binderfs" <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5071] <... unlink resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./221") = 0
[pid 5073] mkdir("./222", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[ 276.612571][T10388] NILFS (loop2): recovery complete
[ 276.620806][T10387] NILFS (loop0): recovery complete
[ 276.640897][T10391] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 276.649806][T10396] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5073] close(3 <unfinished ...>
[pid 10388] <... mount resumed>) = 0
[pid 5073] <... close resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10397
./strace-static-x86_64: Process 10397 attached
[pid 10388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10387] <... mount resumed>) = 0
[pid 10397] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10388] <... openat resumed>) = 3
[pid 10387] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10397] <... set_robust_list resumed>) = 0
[pid 10391] <... mount resumed>) = 0
[pid 10388] chdir("./file0" <unfinished ...>
[pid 10387] <... openat resumed>) = 3
[pid 10394] <... write resumed>) = 2097152
[pid 10394] munmap(0x7fe424ef8000, 2097152) = 0
[pid 10397] chdir("./222" <unfinished ...>
[pid 10391] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10388] <... chdir resumed>) = 0
[pid 10387] chdir("./file0" <unfinished ...>
[pid 10391] <... openat resumed>) = 3
[pid 10387] <... chdir resumed>) = 0
[pid 10388] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10397] <... chdir resumed>) = 0
[pid 10391] chdir("./file0" <unfinished ...>
[pid 10397] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10388] <... ioctl resumed>) = 0
[pid 10394] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10387] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10397] <... prctl resumed>) = 0
[pid 10391] <... chdir resumed>) = 0
[pid 10388] close(4 <unfinished ...>
[pid 10387] <... ioctl resumed>) = 0
[pid 10397] setpgid(0, 0 <unfinished ...>
[pid 10394] <... openat resumed>) = 4
[pid 10391] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10388] <... close resumed>) = 0
[ 276.661189][T10391] NILFS (loop4): trying rollback from an earlier position
[ 276.669274][T10395] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 276.682977][T10391] NILFS (loop4): recovery complete
[ 276.690923][T10398] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10387] close(4 <unfinished ...>
[pid 10397] <... setpgid resumed>) = 0
[pid 10394] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10391] <... ioctl resumed>) = 0
[pid 10388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] <... close resumed>) = 0
[pid 10394] <... ioctl resumed>) = 0
[pid 10388] <... futex resumed>) = 1
[pid 10384] <... futex resumed>) = 0
[pid 10397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10387] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10391] close(4) = 0
[pid 10388] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10387] <... futex resumed>) = 1
[pid 10385] <... futex resumed>) = 0
[pid 10384] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10397] <... openat resumed>) = 3
[pid 10385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10384] <... futex resumed>) = 0
[pid 10397] write(3, "1000", 4 <unfinished ...>
[pid 10391] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10384] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10397] <... write resumed>) = 4
[pid 10394] close(3 <unfinished ...>
[pid 10391] <... futex resumed>) = 1
[pid 10388] <... openat resumed>) = 4
[pid 10386] <... futex resumed>) = 0
[pid 10385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10397] close(3 <unfinished ...>
[pid 10394] <... close resumed>) = 0
[pid 10391] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] <... openat resumed>) = 4
[pid 10386] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10388] <... futex resumed>) = 1
[pid 10387] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10386] <... futex resumed>) = 0
[pid 10397] <... close resumed>) = 0
[pid 10397] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10394] mkdir("./file0", 0777 <unfinished ...>
[pid 10391] <... openat resumed>) = 4
[pid 10388] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10387] <... futex resumed>) = 1
[pid 10386] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10384] <... futex resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10397] <... symlink resumed>) = 0
[pid 10391] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10385] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10384] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10397] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10391] <... futex resumed>) = 0
[pid 10388] <... futex resumed>) = 0
[pid 10387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10386] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10384] <... futex resumed>) = 1
[pid 10397] <... futex resumed>) = 0
[pid 10391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 276.718430][T10394] loop5: detected capacity change from 0 to 4096
[pid 10387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10386] <... futex resumed>) = 0
[pid 10385] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10384] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10394] <... mkdir resumed>) = 0
[pid 5071] lstat("./218/file0", <unfinished ...>
[pid 10397] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10394] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10397] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10397] <... mprotect resumed>) = 0
[pid 10386] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10397] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10397] <... clone resumed>, parent_tid=[10399], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10399
[pid 5071] fstat(4, <unfinished ...>
[pid 10397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10397] <... futex resumed>) = 0
[pid 5071] getdents64(4, <unfinished ...>
[pid 10397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
./strace-static-x86_64: Process 10399 attached
[pid 5071] getdents64(4, <unfinished ...>
[pid 10399] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10399] <... set_robust_list resumed>) = 0
[pid 5071] close(4 <unfinished ...>
[pid 10399] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10399] <... memfd_create resumed>) = 3
[pid 5071] rmdir("./218/file0" <unfinished ...>
[pid 10399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... rmdir resumed>) = 0
[pid 10399] <... mmap resumed>) = 0x7fe424ef8000
[pid 10384] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10384] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10385] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10384] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] <... close resumed>) = 0
[pid 10385] <... futex resumed>) = 0
[pid 10384] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] rmdir("./218" <unfinished ...>
[pid 10385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10384] <... mprotect resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10385] <... mmap resumed>) = 0x7fe4250d7000
[pid 10384] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] mkdir("./219", 0777 <unfinished ...>
[pid 10386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10385] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... mkdir resumed>) = 0
[pid 10386] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10385] <... mprotect resumed>) = 0
[pid 10384] <... clone resumed>, parent_tid=[10400], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10400
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10386] <... futex resumed>) = 0
[pid 10385] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10384] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
./strace-static-x86_64: Process 10400 attached
[pid 10386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10384] <... futex resumed>) = 0
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10400] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10386] <... mmap resumed>) = 0x7fe4250d7000
[pid 10385] <... clone resumed>, parent_tid=[10401], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10401
[pid 10384] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10400] <... set_robust_list resumed>) = 0
[ 276.803008][T10394] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 276.839299][T10394] NILFS (loop5): trying rollback from an earlier position
[pid 10386] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10385] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] close(3./strace-static-x86_64: Process 10401 attached
<unfinished ...>
[pid 10400] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10386] <... mprotect resumed>) = 0
[pid 10385] <... futex resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10401] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10400] <... mmap resumed>) = 0x20000000
[pid 10386] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10385] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10401] <... set_robust_list resumed>) = 0
[pid 10400] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 10402 attached
<unfinished ...>
[pid 10401] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10400] <... futex resumed>) = 1
[pid 10386] <... clone resumed>, parent_tid=[10402], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10402
[pid 10384] <... futex resumed>) = 0
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10403
[pid 10402] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10401] <... mmap resumed>) = 0x20000000
[pid 10400] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10386] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10403 attached
<unfinished ...>
[pid 10402] <... set_robust_list resumed>) = 0
[pid 10401] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10386] <... futex resumed>) = 0
[pid 10403] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10402] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10401] <... futex resumed>) = 1
[pid 10386] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10385] <... futex resumed>) = 0
[pid 10403] <... set_robust_list resumed>) = 0
[pid 10402] <... mmap resumed>) = 0x20000000
[pid 10401] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10403] chdir("./219" <unfinished ...>
[pid 10402] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10403] <... chdir resumed>) = 0
[pid 10402] <... futex resumed>) = 1
[pid 10386] <... futex resumed>) = 0
[pid 10403] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10402] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10403] <... prctl resumed>) = 0
[pid 10403] setpgid(0, 0) = 0
[pid 10403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10403] write(3, "1000", 4) = 4
[pid 10403] close(3) = 0
[pid 10403] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10403] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] <... write resumed>) = 286720
[pid 10403] <... futex resumed>) = 0
[pid 10387] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10385] exit_group(0 <unfinished ...>
[pid 10403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10401] <... futex resumed>) = ?
[pid 10388] <... write resumed>) = 290816
[pid 10387] <... futex resumed>) = ?
[pid 10385] <... exit_group resumed>) = ?
[pid 10403] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10401] +++ exited with 0 +++
[pid 10388] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10387] +++ exited with 0 +++
[pid 10403] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10388] <... futex resumed>) = 0
[pid 10385] +++ exited with 0 +++
[pid 10403] <... mprotect resumed>) = 0
[pid 10388] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10385, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[ 276.952628][T10394] NILFS (loop5): recovery complete
[pid 10403] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10384] exit_group(0 <unfinished ...>
[pid 10400] <... futex resumed>) = ?
[pid 10384] <... exit_group resumed>) = ?
[pid 10400] +++ exited with 0 +++
[pid 5070] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 10394] <... mount resumed>) = 0
[pid 10388] <... futex resumed>) = ?
[pid 5070] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10403] <... clone resumed>, parent_tid=[10405], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10405
[pid 10394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 10403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10394] <... openat resumed>) = 3
[pid 10388] +++ exited with 0 +++
[pid 10384] +++ exited with 0 +++
[pid 5070] fstat(3, ./strace-static-x86_64: Process 10405 attached
<unfinished ...>
[pid 10403] <... futex resumed>) = 0
[pid 10394] chdir("./file0" <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10384, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10405] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10394] <... chdir resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10405] <... set_robust_list resumed>) = 0
[pid 10394] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10405] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10394] <... ioctl resumed>) = 0
[pid 5072] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10405] <... memfd_create resumed>) = 3
[pid 10394] close(4 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10399] <... write resumed>) = 2097152
[pid 10394] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] lstat("./218/binderfs", <unfinished ...>
[pid 10405] <... mmap resumed>) = 0x7fe424ef8000
[pid 10399] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10399] <... munmap resumed>) = 0
[pid 10394] <... futex resumed>) = 1
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] unlink("./218/binderfs" <unfinished ...>
[pid 10399] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10392] <... futex resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10399] <... openat resumed>) = 4
[pid 10392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[ 276.987782][T10404] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10399] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10394] <... futex resumed>) = 0
[pid 10392] <... futex resumed>) = 1
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10394] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5072] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] unlink("./220/binderfs" <unfinished ...>
[pid 10394] <... openat resumed>) = 4
[pid 5072] <... unlink resumed>) = 0
[pid 10394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10394] <... futex resumed>) = 1
[pid 10392] <... futex resumed>) = 0
[pid 10394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10399] <... ioctl resumed>) = 0
[pid 10392] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10394] <... futex resumed>) = 0
[pid 10392] <... futex resumed>) = 1
[pid 10399] close(3 <unfinished ...>
[pid 10394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10392] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10399] <... close resumed>) = 0
[pid 10399] mkdir("./file0", 0777) = 0
[ 277.044259][T10399] loop3: detected capacity change from 0 to 4096
[pid 10399] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5072] <... umount2 resumed>) = 0
[pid 10392] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10392] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10391] <... write resumed>) = 638976
[pid 10392] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10391] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10392] <... clone resumed>, parent_tid=[10406], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10406
[pid 10391] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10386] exit_group(0 <unfinished ...>
[pid 10402] <... futex resumed>) = ?
[pid 10392] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10391] <... futex resumed>) = ?
[pid 10386] <... exit_group resumed>) = ?
[pid 10402] +++ exited with 0 +++
[pid 10392] <... futex resumed>) = 0
[pid 10391] +++ exited with 0 +++
[pid 10386] +++ exited with 0 +++
[pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
./strace-static-x86_64: Process 10406 attached
[pid 10392] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10406] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10386, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} ---
[pid 5072] lstat("./220/file0", <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10406] <... set_robust_list resumed>) = 0
[pid 5074] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] lstat("./218/file0", <unfinished ...>
[pid 10406] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10406] <... mmap resumed>) = 0x20000000
[ 277.119374][T10399] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5074] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10406] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10405] <... write resumed>) = 2097152
[pid 5074] <... openat resumed>) = 3
[pid 10406] <... futex resumed>) = 1
[pid 10392] <... futex resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 10406] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10405] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10405] <... munmap resumed>) = 0
[pid 5074] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./220/binderfs", <unfinished ...>
[pid 10405] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5072] <... openat resumed>) = 4
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10405] <... openat resumed>) = 4
[pid 5074] unlink("./220/binderfs" <unfinished ...>
[pid 5072] fstat(4, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10405] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... openat resumed>) = 4
[pid 10405] <... ioctl resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 10405] close(3 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10405] <... close resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10405] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10405] <... mkdir resumed>) = 0
[pid 5072] close(4 <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10405] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] rmdir("./220/file0" <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] rmdir("./218/file0" <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 5070] getdents64(3, <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5072] rmdir("./220" <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[ 277.166236][T10399] NILFS (loop3): trying rollback from an earlier position
[ 277.185344][T10405] loop1: detected capacity change from 0 to 4096
[ 277.200430][T10399] NILFS (loop3): recovery complete
[pid 5070] <... close resumed>) = 0
[pid 5072] mkdir("./221", 0777 <unfinished ...>
[pid 5070] rmdir("./218" <unfinished ...>
[pid 10399] <... mount resumed>) = 0
[pid 5072] <... mkdir resumed>) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10399] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10399] <... openat resumed>) = 3
[pid 10399] chdir("./file0") = 0
[pid 10399] ioctl(4, LOOP_CLR_FD) = 0
[pid 10399] close(4) = 0
[pid 10399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10397] <... futex resumed>) = 0
[pid 10399] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10397] <... futex resumed>) = 0
[pid 10399] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10394] <... write resumed>) = 192512
[pid 5072] <... openat resumed>) = 3
[pid 5070] mkdir("./219", 0777 <unfinished ...>
[pid 10394] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10394] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10392] exit_group(0 <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10394] <... futex resumed>) = ?
[pid 10392] <... exit_group resumed>) = ?
[pid 5072] close(3 <unfinished ...>
[pid 10406] <... futex resumed>) = ?
[pid 10394] +++ exited with 0 +++
[pid 5072] <... close resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10406] +++ exited with 0 +++
[pid 10392] +++ exited with 0 +++
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10399] <... openat resumed>) = 4
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10408
[pid 5070] close(3 <unfinished ...>
[pid 10399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10392, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10399] <... futex resumed>) = 1
[pid 10397] <... futex resumed>) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 10399] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10397] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10397] <... futex resumed>) = 0
[pid 10397] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651./strace-static-x86_64: Process 10409 attached
<unfinished ...>
[pid 10409] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5075] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10409
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5075] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5075] lstat("./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] unlink("./224/binderfs" <unfinished ...>
[pid 10409] <... set_robust_list resumed>) = 0
[pid 5075] <... unlink resumed>) = 0
[pid 10409] chdir("./219" <unfinished ...>
[pid 5075] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10409] <... chdir resumed>) = 0
[pid 10409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10409] setpgid(0, 0) = 0
[pid 10409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10409] write(3, "1000", 4) = 4
[pid 10409] close(3./strace-static-x86_64: Process 10408 attached
) = 0
[pid 10409] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10408] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10409] <... symlink resumed>) = 0
[pid 10408] <... set_robust_list resumed>) = 0
[pid 10409] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10408] chdir("./221") = 0
[pid 10409] <... futex resumed>) = 0
[pid 10409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10408] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10409] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10408] <... prctl resumed>) = 0
[pid 10409] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10408] setpgid(0, 0 <unfinished ...>
[pid 10409] <... mprotect resumed>) = 0
[pid 10409] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10410], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10410
[pid 10409] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10409] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10408] <... setpgid resumed>) = 0
[pid 10408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10410 attached
<unfinished ...>
[pid 10410] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10410] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10408] <... openat resumed>) = 3
[pid 10410] <... memfd_create resumed>) = 3
[ 277.221748][T10407] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 277.223540][T10405] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 277.246068][T10405] NILFS (loop1): trying rollback from an earlier position
[pid 10408] write(3, "1000", 4 <unfinished ...>
[pid 10410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10408] <... write resumed>) = 4
[pid 10410] <... mmap resumed>) = 0x7fe424ef8000
[pid 10408] close(3) = 0
[pid 10408] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10408] <... symlink resumed>) = 0
[pid 10397] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10408] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10397] <... futex resumed>) = 0
[pid 10408] <... futex resumed>) = 0
[pid 10397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10397] <... mmap resumed>) = 0x7fe4250d7000
[pid 10408] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10397] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10408] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10397] <... mprotect resumed>) = 0
[pid 10408] <... mprotect resumed>) = 0
[pid 10397] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10408] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10397] <... clone resumed>, parent_tid=[10411], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10411
./strace-static-x86_64: Process 10412 attached
[pid 10408] <... clone resumed>, parent_tid=[10412], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10412
[pid 10397] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10412] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10397] <... futex resumed>) = 0
[pid 10412] <... set_robust_list resumed>) = 0
[pid 10408] <... futex resumed>) = 0
[pid 10397] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10411 attached
<unfinished ...>
[pid 10412] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10412] <... memfd_create resumed>) = 3
[pid 10411] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10411] <... set_robust_list resumed>) = 0
[pid 10411] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10411] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10411] <... futex resumed>) = 1
[pid 10397] <... futex resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./220/file0", <unfinished ...>
[ 277.331060][T10405] NILFS (loop1): recovery complete
[pid 10411] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10405] <... mount resumed>) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 10405] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 10405] <... openat resumed>) = 3
[pid 5075] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10405] chdir("./file0" <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10405] <... chdir resumed>) = 0
[pid 5075] lstat("./224/file0", <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10405] ioctl(4, LOOP_CLR_FD) = 0
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10405] close(4 <unfinished ...>
[pid 5075] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 10405] <... close resumed>) = 0
[pid 10399] <... write resumed>) = 155648
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] <... close resumed>) = 0
[pid 10405] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10399] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5074] rmdir("./220/file0" <unfinished ...>
[pid 10405] <... futex resumed>) = 1
[pid 10403] <... futex resumed>) = 0
[pid 10399] <... futex resumed>) = 0
[pid 10397] exit_group(0 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[pid 10411] <... futex resumed>) = ?
[pid 10405] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10397] <... exit_group resumed>) = ?
[pid 5075] fstat(4, <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 10411] +++ exited with 0 +++
[pid 10405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10403] <... futex resumed>) = 0
[pid 10399] +++ exited with 0 +++
[pid 10397] +++ exited with 0 +++
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10405] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10397, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] close(3 <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5074] rmdir("./220" <unfinished ...>
[pid 5075] close(4) = 0
[pid 5074] <... rmdir resumed>) = 0
[pid 5075] rmdir("./224/file0" <unfinished ...>
[pid 5074] mkdir("./221", 0777 <unfinished ...>
[pid 5075] <... rmdir resumed>) = 0
[pid 5075] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] <... mkdir resumed>) = 0
[pid 5073] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5075] <... close resumed>) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] rmdir("./224" <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5075] <... rmdir resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] fstat(3, <unfinished ...>
[pid 5075] mkdir("./225", 0777 <unfinished ...>
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10405] <... openat resumed>) = 4
[pid 5075] <... mkdir resumed>) = 0
[pid 10405] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10405] <... futex resumed>) = 1
[pid 10403] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 10405] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10403] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[ 277.382291][T10413] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10403] <... futex resumed>) = 0
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10405] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10403] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(3) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5073] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10414
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10415
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10415 attached
./strace-static-x86_64: Process 10414 attached
[pid 10412] <... write resumed>) = 2097152
[pid 5073] lstat("./222/binderfs", <unfinished ...>
[pid 10415] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10414] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10412] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10415] <... set_robust_list resumed>) = 0
[pid 10414] <... set_robust_list resumed>) = 0
[pid 10412] <... munmap resumed>) = 0
[pid 5073] unlink("./222/binderfs" <unfinished ...>
[pid 10415] chdir("./221" <unfinished ...>
[pid 10414] chdir("./225" <unfinished ...>
[pid 10412] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 10415] <... chdir resumed>) = 0
[pid 10414] <... chdir resumed>) = 0
[pid 10412] <... openat resumed>) = 4
[pid 10410] <... write resumed>) = 2097152
[pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10415] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10414] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10412] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10410] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10415] <... prctl resumed>) = 0
[pid 10414] <... prctl resumed>) = 0
[pid 10415] setpgid(0, 0 <unfinished ...>
[pid 10414] setpgid(0, 0 <unfinished ...>
[pid 10412] <... ioctl resumed>) = 0
[pid 10410] <... munmap resumed>) = 0
[pid 10415] <... setpgid resumed>) = 0
[pid 10403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10414] <... setpgid resumed>) = 0
[pid 10412] close(3 <unfinished ...>
[pid 10410] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10403] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10415] <... openat resumed>) = 3
[pid 10414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10412] <... close resumed>) = 0
[pid 10410] <... openat resumed>) = 4
[pid 10403] <... futex resumed>) = 0
[pid 10415] write(3, "1000", 4 <unfinished ...>
[pid 10414] <... openat resumed>) = 3
[pid 10412] mkdir("./file0", 0777 <unfinished ...>
[pid 10410] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10415] <... write resumed>) = 4
[pid 10414] write(3, "1000", 4 <unfinished ...>
[pid 10412] <... mkdir resumed>) = 0
[pid 10410] <... ioctl resumed>) = 0
[pid 10403] <... mmap resumed>) = 0x7fe4250d7000
[pid 10415] close(3 <unfinished ...>
[pid 10414] <... write resumed>) = 4
[pid 10412] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10410] close(3 <unfinished ...>
[pid 10403] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10415] <... close resumed>) = 0
[pid 10414] close(3 <unfinished ...>
[pid 10410] <... close resumed>) = 0
[pid 10403] <... mprotect resumed>) = 0
[pid 10403] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10415] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10414] <... close resumed>) = 0
[pid 10410] mkdir("./file0", 0777 <unfinished ...>
[pid 10403] <... clone resumed>, parent_tid=[10416], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10416
[pid 10415] <... symlink resumed>) = 0
[pid 10414] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10403] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10415] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10414] <... symlink resumed>) = 0
[pid 10403] <... futex resumed>) = 0
./strace-static-x86_64: Process 10416 attached
[pid 10415] <... futex resumed>) = 0
[pid 10414] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10403] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10416] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10410] <... mkdir resumed>) = 0
[pid 10416] <... set_robust_list resumed>) = 0
[pid 10415] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10410] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[ 277.487126][T10412] loop2: detected capacity change from 0 to 4096
[ 277.519606][T10410] loop0: detected capacity change from 0 to 4096
[pid 10416] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10415] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10414] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10416] <... mmap resumed>) = 0x20000000
[pid 10416] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10403] <... futex resumed>) = 0
[pid 10416] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10415] <... mprotect resumed>) = 0
[pid 10414] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 10415] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10414] <... mprotect resumed>) = 0
[pid 10414] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10415] <... clone resumed>, parent_tid=[10417], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10417
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10415] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10414] <... clone resumed>, parent_tid=[10418], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10418
[pid 5073] lstat("./222/file0", <unfinished ...>
[pid 10415] <... futex resumed>) = 0
[pid 10414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10417 attached
[pid 10415] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10417] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10417] <... set_robust_list resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10417] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10417] <... memfd_create resumed>) = 3
[pid 5073] <... openat resumed>) = 4
./strace-static-x86_64: Process 10418 attached
[pid 10417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 10418] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10417] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10418] <... set_robust_list resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 10418] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10418] <... memfd_create resumed>) = 3
[ 277.545137][T10412] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 5073] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4) = 0
[pid 5073] rmdir("./222/file0") = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./222" <unfinished ...>
[pid 10418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 5073] mkdir("./223", 0777) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5073] close(3 <unfinished ...>
[pid 10418] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... close resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10419
./strace-static-x86_64: Process 10419 attached
[pid 10419] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10419] chdir("./223") = 0
[pid 10419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10419] setpgid(0, 0 <unfinished ...>
[pid 10417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10419] <... setpgid resumed>) = 0
[pid 10419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[ 277.589891][T10410] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 277.598405][T10412] NILFS (loop2): trying rollback from an earlier position
[pid 10419] write(3, "1000", 4) = 4
[pid 10419] close(3) = 0
[pid 10405] <... write resumed>) = 258048
[pid 10419] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10405] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10419] <... symlink resumed>) = 0
[pid 10405] <... futex resumed>) = 0
[pid 10403] exit_group(0 <unfinished ...>
[pid 10419] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10416] <... futex resumed>) = ?
[pid 10403] <... exit_group resumed>) = ?
[pid 10419] <... futex resumed>) = 0
[pid 10416] +++ exited with 0 +++
[pid 10419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10419] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10419] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10405] +++ exited with 0 +++
[pid 10403] +++ exited with 0 +++
[pid 10419] <... clone resumed>, parent_tid=[10420], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10420
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10403, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10419] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10419] <... futex resumed>) = 0
[pid 5071] <... restart_syscall resumed>) = 0
[pid 10419] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 10420 attached
<unfinished ...>
[pid 10412] <... mount resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 10420] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10412] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10420] <... set_robust_list resumed>) = 0
[pid 10412] <... openat resumed>) = 3
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[ 277.635975][T10410] NILFS (loop0): trying rollback from an earlier position
[ 277.649616][T10412] NILFS (loop2): recovery complete
[ 277.670158][T10421] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10420] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10417] <... write resumed>) = 2097152
[pid 10412] chdir("./file0" <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10420] <... memfd_create resumed>) = 3
[pid 10412] <... chdir resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10412] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10420] <... mmap resumed>) = 0x7fe424ef8000
[pid 10412] <... ioctl resumed>) = 0
[pid 10410] <... mount resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] unlink("./219/binderfs" <unfinished ...>
[pid 10412] close(4 <unfinished ...>
[pid 10410] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 10420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10418] <... write resumed>) = 2097152
[pid 10417] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10412] <... close resumed>) = 0
[pid 10410] <... openat resumed>) = 3
[pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10418] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10417] <... munmap resumed>) = 0
[pid 10412] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10410] chdir("./file0" <unfinished ...>
[pid 10418] <... munmap resumed>) = 0
[pid 10417] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10412] <... futex resumed>) = 1
[pid 10410] <... chdir resumed>) = 0
[pid 10408] <... futex resumed>) = 0
[pid 10418] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10417] <... openat resumed>) = 4
[pid 10412] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10410] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] <... openat resumed>) = 4
[ 277.688090][T10410] NILFS (loop0): recovery complete
[ 277.698532][T10422] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10417] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10410] <... ioctl resumed>) = 0
[pid 10408] <... futex resumed>) = 0
[pid 10418] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10412] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10410] close(4 <unfinished ...>
[pid 10408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10410] <... close resumed>) = 0
[pid 10418] <... ioctl resumed>) = 0
[pid 10410] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] close(3 <unfinished ...>
[pid 10410] <... futex resumed>) = 1
[pid 10418] <... close resumed>) = 0
[pid 10410] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10418] mkdir("./file0", 0777 <unfinished ...>
[pid 10409] <... futex resumed>) = 0
[pid 10412] <... openat resumed>) = 4
[pid 10418] <... mkdir resumed>) = 0
[pid 10412] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10409] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10412] <... futex resumed>) = 1
[pid 10410] <... futex resumed>) = 0
[pid 10409] <... futex resumed>) = 1
[pid 10408] <... futex resumed>) = 0
[pid 10412] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10410] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10409] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10408] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10410] <... openat resumed>) = 4
[pid 10408] <... futex resumed>) = 0
[pid 10412] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10410] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10408] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10410] <... futex resumed>) = 1
[pid 10409] <... futex resumed>) = 0
[pid 10410] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10409] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10409] <... futex resumed>) = 0
[pid 10410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10409] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10417] <... ioctl resumed>) = 0
[pid 10420] <... write resumed>) = 2097152
[ 277.728931][T10417] loop4: detected capacity change from 0 to 4096
[ 277.737105][T10418] loop5: detected capacity change from 0 to 4096
[pid 10417] close(3) = 0
[pid 10417] mkdir("./file0", 0777) = 0
[pid 10417] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10420] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10408] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10408] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10408] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10423], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10423
[pid 10408] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10408] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10420] <... munmap resumed>) = 0
[pid 10420] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid 10420] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10423 attached
<unfinished ...>
[pid 10423] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10423] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10423] <... mmap resumed>) = 0x20000000
[ 277.789967][T10418] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 277.832459][T10417] NILFS (loop4): invalid segment: Checksum error in segment payload
[pid 10409] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10423] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10409] <... futex resumed>) = 0
[pid 10423] <... futex resumed>) = 1
[pid 10409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10408] <... futex resumed>) = 0
[pid 10423] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10409] <... mmap resumed>) = 0x7fe4250d7000
[pid 10409] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10409] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10424], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10424
[pid 10409] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10409] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10424 attached
<unfinished ...>
[pid 10424] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10424] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5071] <... umount2 resumed>) = 0
[pid 10424] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10409] <... futex resumed>) = 0
[pid 10424] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10420] <... ioctl resumed>) = 0
[pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10420] close(3 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10420] <... close resumed>) = 0
[pid 10420] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] lstat("./219/file0", <unfinished ...>
[pid 10420] <... mkdir resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10420] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, <unfinished ...>
[pid 10410] <... write resumed>) = 176128
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10410] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10409] exit_group(0 <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10424] <... futex resumed>) = ?
[pid 10410] <... futex resumed>) = ?
[pid 10409] <... exit_group resumed>) = ?
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[ 277.837564][T10418] NILFS (loop5): trying rollback from an earlier position
[ 277.842709][T10420] loop3: detected capacity change from 0 to 4096
[ 277.871502][T10417] NILFS (loop4): trying rollback from an earlier position
[pid 10424] +++ exited with 0 +++
[pid 10410] +++ exited with 0 +++
[pid 10409] +++ exited with 0 +++
[pid 5071] getdents64(4, <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10409, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5070] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5070] unlink("./219/binderfs" <unfinished ...>
[pid 5071] close(4 <unfinished ...>
[pid 5070] <... unlink resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] rmdir("./219/file0" <unfinished ...>
[pid 10412] <... write resumed>) = 200704
[pid 5071] <... rmdir resumed>) = 0
[pid 10412] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 10412] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10412] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10408] exit_group(0 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10423] <... futex resumed>) = ?
[pid 10412] <... futex resumed>) = ?
[pid 10408] <... exit_group resumed>) = ?
[pid 5071] <... close resumed>) = 0
[pid 10423] +++ exited with 0 +++
[ 277.907837][T10420] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 277.922061][T10420] NILFS (loop3): trying rollback from an earlier position
[ 277.922104][T10418] NILFS (loop5): recovery complete
[ 277.937122][T10417] NILFS (loop4): recovery complete
[ 277.943350][T10420] NILFS (loop3): recovery complete
[pid 10412] +++ exited with 0 +++
[pid 5071] rmdir("./219" <unfinished ...>
[pid 10417] <... mount resumed>) = 0
[pid 10408] +++ exited with 0 +++
[pid 5071] <... rmdir resumed>) = 0
[pid 5070] <... umount2 resumed>) = 0
[pid 10417] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] mkdir("./220", 0777 <unfinished ...>
[pid 10418] <... mount resumed>) = 0
[pid 10417] <... openat resumed>) = 3
[pid 5071] <... mkdir resumed>) = 0
[pid 10417] chdir("./file0" <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10417] <... chdir resumed>) = 0
[pid 5071] <... openat resumed>) = 3
[pid 10417] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5071] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10417] <... ioctl resumed>) = 0
[pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10417] close(4 <unfinished ...>
[pid 5071] close(3 <unfinished ...>
[pid 10417] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 10417] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10408, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10417] <... futex resumed>) = 1
[pid 10417] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10428
./strace-static-x86_64: Process 10428 attached
[pid 10420] <... mount resumed>) = 0
[pid 10420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10418] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10415] <... futex resumed>) = 0
[pid 5072] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10428] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10420] chdir("./file0" <unfinished ...>
[pid 10418] <... openat resumed>) = 3
[pid 10415] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10428] <... set_robust_list resumed>) = 0
[pid 10420] <... chdir resumed>) = 0
[pid 10418] chdir("./file0" <unfinished ...>
[pid 10417] <... futex resumed>) = 0
[pid 10415] <... futex resumed>) = 1
[pid 5072] <... restart_syscall resumed>) = 0
[pid 10428] chdir("./220" <unfinished ...>
[pid 10420] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10417] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10428] <... chdir resumed>) = 0
[pid 10420] <... ioctl resumed>) = 0
[pid 10418] <... chdir resumed>) = 0
[pid 10415] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10428] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10420] close(4 <unfinished ...>
[pid 10418] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5070] lstat("./219/file0", <unfinished ...>
[pid 10428] <... prctl resumed>) = 0
[pid 10420] <... close resumed>) = 0
[pid 10418] <... ioctl resumed>) = 0
[pid 5072] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10428] setpgid(0, 0 <unfinished ...>
[pid 10420] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] close(4 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10428] <... setpgid resumed>) = 0
[pid 10420] <... futex resumed>) = 1
[pid 10419] <... futex resumed>) = 0
[pid 10418] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10420] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10419] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10418] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10428] <... openat resumed>) = 3
[pid 10420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10419] <... futex resumed>) = 0
[pid 10418] <... futex resumed>) = 1
[pid 10414] <... futex resumed>) = 0
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10428] write(3, "1000", 4 <unfinished ...>
[pid 10420] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10419] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10418] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... openat resumed>) = 4
[pid 10428] <... write resumed>) = 4
[pid 10417] <... openat resumed>) = 4
[pid 10428] close(3 <unfinished ...>
[pid 10417] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] <... close resumed>) = 0
[pid 10417] <... futex resumed>) = 1
[pid 10428] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10417] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10415] <... futex resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 10428] <... symlink resumed>) = 0
[pid 10418] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10415] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] fstat(4, <unfinished ...>
[pid 10428] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10417] <... futex resumed>) = 0
[pid 10415] <... futex resumed>) = 1
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10428] <... futex resumed>) = 0
[pid 10417] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10415] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10418] <... openat resumed>) = 4
[pid 10428] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10418] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10428] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10418] <... futex resumed>) = 1
[pid 10414] <... futex resumed>) = 0
[pid 5072] lstat("./221/binderfs", <unfinished ...>
[pid 5070] getdents64(4, <unfinished ...>
[pid 10428] <... mprotect resumed>) = 0
[ 277.964083][T10425] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 277.980494][T10426] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 277.999445][T10427] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10418] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10414] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10420] <... openat resumed>) = 4
[pid 10418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10414] <... futex resumed>) = 0
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10420] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] <... clone resumed>, parent_tid=[10429], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10429
[pid 10420] <... futex resumed>) = 1
[pid 10419] <... futex resumed>) = 0
[pid 10418] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10414] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] unlink("./221/binderfs" <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10420] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10419] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] <... futex resumed>) = 0
[pid 10420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10419] <... futex resumed>) = 0
[pid 10428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10420] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10419] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5070] rmdir("./219/file0" <unfinished ...>
[pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 5070] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5070] close(3) = 0
[pid 5070] rmdir("./219") = 0
[pid 5070] mkdir("./220", 0777) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10430
[pid 10415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10415] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10415] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10415] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10431], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10431
[pid 10415] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10415] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10431 attached
./strace-static-x86_64: Process 10429 attached
<unfinished ...>
[pid 10431] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10429] set_robust_list(0x7fe42d3189e0, 24./strace-static-x86_64: Process 10430 attached
<unfinished ...>
[pid 10431] <... set_robust_list resumed>) = 0
[pid 10430] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10429] <... set_robust_list resumed>) = 0
[pid 10431] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10430] <... set_robust_list resumed>) = 0
[pid 10429] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10431] <... mmap resumed>) = 0x20000000
[pid 10430] chdir("./220" <unfinished ...>
[pid 10429] <... memfd_create resumed>) = 3
[pid 10431] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10430] <... chdir resumed>) = 0
[pid 10414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10430] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10431] <... futex resumed>) = 1
[pid 10430] <... prctl resumed>) = 0
[pid 10429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10415] <... futex resumed>) = 0
[pid 10414] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10431] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10430] setpgid(0, 0 <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10430] <... setpgid resumed>) = 0
[pid 10429] <... mmap resumed>) = 0x7fe424ef8000
[pid 10419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10419] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10414] <... mmap resumed>) = 0x7fe4250d7000
[pid 10430] <... openat resumed>) = 3
[pid 10419] <... futex resumed>) = 0
[pid 10430] write(3, "1000", 4 <unfinished ...>
[pid 10419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10430] <... write resumed>) = 4
[pid 10419] <... mmap resumed>) = 0x7fe4250d7000
[pid 10430] close(3 <unfinished ...>
[pid 10419] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10430] <... close resumed>) = 0
[pid 10419] <... mprotect resumed>) = 0
[pid 10430] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10419] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10430] <... symlink resumed>) = 0
[pid 10430] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10419] <... clone resumed>, parent_tid=[10432], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10432
[pid 10430] <... futex resumed>) = 0
[pid 10419] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10419] <... futex resumed>) = 0
[pid 10430] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10419] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10430] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10414] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 10430] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10433], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10433
[pid 10414] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 10432 attached
[pid 10430] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10432] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10430] <... futex resumed>) = 0
[pid 10432] <... set_robust_list resumed>) = 0
[pid 10430] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10414] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10432] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
./strace-static-x86_64: Process 10433 attached
[pid 10432] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10414] <... clone resumed>, parent_tid=[10434], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10434
[pid 10433] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10432] <... futex resumed>) = 1
[pid 10419] <... futex resumed>) = 0
[pid 10414] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10433] <... set_robust_list resumed>) = 0
[pid 10432] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10433] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10414] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10433] <... memfd_create resumed>) = 3
[pid 10433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
./strace-static-x86_64: Process 10434 attached
[pid 10429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10434] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] lstat("./221/file0", <unfinished ...>
[pid 10434] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] getdents64(4, 0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5072] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5072] close(4) = 0
[pid 10434] <... mmap resumed>) = 0x20000000
[pid 5072] rmdir("./221/file0" <unfinished ...>
[pid 10434] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 5072] getdents64(3, <unfinished ...>
[pid 10414] <... futex resumed>) = 0
[pid 10434] <... futex resumed>) = 1
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10434] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] close(3) = 0
[pid 5072] rmdir("./221") = 0
[pid 5072] mkdir("./222", 0777 <unfinished ...>
[pid 10417] <... write resumed>) = 200704
[pid 5072] <... mkdir resumed>) = 0
[pid 10433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 10417] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10415] exit_group(0 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10431] <... futex resumed>) = ?
[pid 10417] <... futex resumed>) = ?
[pid 10415] <... exit_group resumed>) = ?
[pid 5072] <... close resumed>) = 0
[pid 10431] +++ exited with 0 +++
[pid 10417] +++ exited with 0 +++
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10415] +++ exited with 0 +++
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10415, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} ---
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10435
[pid 5074] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10435 attached
[pid 5074] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10435] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 10435] <... set_robust_list resumed>) = 0
[pid 5074] fstat(3, <unfinished ...>
[pid 10435] chdir("./222" <unfinished ...>
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(3, <unfinished ...>
[pid 10435] <... chdir resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10435] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5074] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10435] <... prctl resumed>) = 0
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10435] setpgid(0, 0 <unfinished ...>
[pid 10429] <... write resumed>) = 2097152
[pid 10418] <... write resumed>) = 221184
[pid 5074] lstat("./221/binderfs", <unfinished ...>
[pid 10435] <... setpgid resumed>) = 0
[pid 10429] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10418] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] unlink("./221/binderfs" <unfinished ...>
[pid 10435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 10429] <... munmap resumed>) = 0
[pid 10418] <... futex resumed>) = 0
[pid 10414] exit_group(0 <unfinished ...>
[pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10435] <... openat resumed>) = 3
[pid 10434] <... futex resumed>) = ?
[pid 10433] <... write resumed>) = 2097152
[pid 10429] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 10414] <... exit_group resumed>) = ?
[pid 10435] write(3, "1000", 4 <unfinished ...>
[pid 10434] +++ exited with 0 +++
[pid 10433] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10429] <... openat resumed>) = 4
[pid 10420] <... write resumed>) = 303104
[pid 10418] +++ exited with 0 +++
[pid 10414] +++ exited with 0 +++
[pid 10435] <... write resumed>) = 4
[pid 10433] <... munmap resumed>) = 0
[pid 10429] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10420] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10435] close(3 <unfinished ...>
[pid 10433] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10420] <... futex resumed>) = 0
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10414, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 10435] <... close resumed>) = 0
[pid 10433] <... openat resumed>) = 4
[pid 10429] <... ioctl resumed>) = 0
[pid 10420] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10419] exit_group(0 <unfinished ...>
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10435] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10433] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10432] <... futex resumed>) = ?
[pid 10429] close(3 <unfinished ...>
[pid 10420] <... futex resumed>) = ?
[pid 10419] <... exit_group resumed>) = ?
[pid 5075] <... restart_syscall resumed>) = 0
[pid 10435] <... symlink resumed>) = 0
[pid 10432] +++ exited with 0 +++
[pid 10429] <... close resumed>) = 0
[pid 10420] +++ exited with 0 +++
[pid 10435] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10429] mkdir("./file0", 0777 <unfinished ...>
[pid 10435] <... futex resumed>) = 0
[pid 10429] <... mkdir resumed>) = 0
[pid 10419] +++ exited with 0 +++
[pid 10435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10429] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10435] <... mmap resumed>) = 0x7fe42d2f8000
[pid 5075] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10419, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 10435] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10435] <... mprotect resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... restart_syscall resumed>) = 0
[pid 10435] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10433] <... ioctl resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 10433] close(3 <unfinished ...>
[pid 5075] fstat(3, <unfinished ...>
[pid 10435] <... clone resumed>, parent_tid=[10436], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10436
[pid 10433] <... close resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10435] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10433] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10436 attached
[pid 10435] <... futex resumed>) = 0
[pid 10433] <... mkdir resumed>) = 0
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10436] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10435] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 278.295984][T10429] loop1: detected capacity change from 0 to 4096
[ 278.310527][T10433] loop0: detected capacity change from 0 to 4096
[pid 10433] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5075] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... openat resumed>) = 3
[pid 10436] <... set_robust_list resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./221/file0", <unfinished ...>
[pid 10436] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] lstat("./225/binderfs", <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10436] <... memfd_create resumed>) = 3
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] unlink("./225/binderfs" <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10436] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] <... unlink resumed>) = 0
[pid 5074] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5075] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5073] fstat(3, <unfinished ...>
[pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5074] getdents64(4, <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] close(4) = 0
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5074] rmdir("./221/file0" <unfinished ...>
[pid 5073] lstat("./223/binderfs", <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5074] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5074] close(3) = 0
[pid 5074] rmdir("./221") = 0
[pid 5074] mkdir("./222", 0777) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5073] unlink("./223/binderfs" <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5074] close(3 <unfinished ...>
[pid 5073] <... unlink resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10437
[pid 10436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 10437 attached
<unfinished ...>
[ 278.349069][T10433] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 278.373136][T10429] NILFS (loop1): invalid segment: Checksum error in segment payload
[pid 10437] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10437] chdir("./222") = 0
[pid 10437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10437] setpgid(0, 0) = 0
[pid 10437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10437] write(3, "1000", 4) = 4
[pid 10437] close(3) = 0
[pid 10437] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10437] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10437] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10437] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = 0
[pid 5073] <... umount2 resumed>) = 0
[pid 5075] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10437] <... clone resumed>, parent_tid=[10438], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10438
[pid 10437] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10437] <... futex resumed>) = 0
[pid 10437] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5075] lstat("./225/file0", <unfinished ...>
[pid 5073] lstat("./223/file0", <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10438 attached
[pid 10438] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5075] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10438] <... set_robust_list resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10438] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10438] <... memfd_create resumed>) = 3
[pid 10438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... openat resumed>) = 4
[ 278.394285][T10433] NILFS (loop0): trying rollback from an earlier position
[ 278.417212][T10429] NILFS (loop1): trying rollback from an earlier position
[pid 5073] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10438] <... mmap resumed>) = 0x7fe424ef8000
[pid 5075] fstat(4, <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] fstat(4, <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] getdents64(4, <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 5075] close(4 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5075] <... close resumed>) = 0
[pid 5075] rmdir("./225/file0" <unfinished ...>
[pid 5073] getdents64(4, <unfinished ...>
[pid 10436] <... write resumed>) = 2097152
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 5073] close(4 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] rmdir("./223/file0" <unfinished ...>
[pid 10433] <... mount resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 10438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] rmdir("./225" <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 10436] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10433] <... openat resumed>) = 3
[pid 10433] chdir("./file0" <unfinished ...>
[pid 10429] <... mount resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 5073] getdents64(3, <unfinished ...>
[pid 10436] <... munmap resumed>) = 0
[pid 10433] <... chdir resumed>) = 0
[pid 10429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] mkdir("./226", 0777 <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10433] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10429] <... openat resumed>) = 3
[pid 10436] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5075] <... mkdir resumed>) = 0
[pid 5073] close(3 <unfinished ...>
[pid 10433] <... ioctl resumed>) = 0
[pid 10429] chdir("./file0" <unfinished ...>
[pid 10433] close(4 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10429] <... chdir resumed>) = 0
[pid 10438] <... write resumed>) = 2097152
[pid 10436] <... openat resumed>) = 4
[pid 10433] <... close resumed>) = 0
[pid 10429] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5073] rmdir("./223" <unfinished ...>
[pid 10438] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10436] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10433] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10429] <... ioctl resumed>) = 0
[ 278.463034][T10433] NILFS (loop0): recovery complete
[ 278.476337][T10429] NILFS (loop1): recovery complete
[ 278.488443][T10439] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 278.500342][T10440] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5073] <... rmdir resumed>) = 0
[pid 10438] <... munmap resumed>) = 0
[pid 10433] <... futex resumed>) = 1
[pid 10429] close(4 <unfinished ...>
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] mkdir("./224", 0777 <unfinished ...>
[pid 10438] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10433] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10429] <... close resumed>) = 0
[pid 5075] close(3 <unfinished ...>
[pid 5073] <... mkdir resumed>) = 0
[pid 10438] <... openat resumed>) = 4
[pid 10430] <... futex resumed>) = 0
[pid 10429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10438] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10430] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10429] <... futex resumed>) = 1
[pid 10428] <... futex resumed>) = 0
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 10433] <... futex resumed>) = 0
[pid 10430] <... futex resumed>) = 1
[pid 10428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10433] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10430] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10428] <... futex resumed>) = 0
[pid 10428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10436] <... ioctl resumed>) = 0
[pid 10436] close(3) = 0
[pid 10436] mkdir("./file0", 0777) = 0
[pid 10436] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10429] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10441
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10438] <... ioctl resumed>) = 0
[pid 10433] <... openat resumed>) = 4
[pid 10429] <... openat resumed>) = 4
[pid 5073] close(3 <unfinished ...>
[pid 10438] close(3 <unfinished ...>
[pid 10433] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... close resumed>) = 0
./strace-static-x86_64: Process 10441 attached
[pid 10438] <... close resumed>) = 0
[pid 10433] <... futex resumed>) = 1
[pid 10430] <... futex resumed>) = 0
[pid 10441] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10438] mkdir("./file0", 0777 <unfinished ...>
[pid 10433] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10430] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10429] <... futex resumed>) = 1
[pid 10428] <... futex resumed>) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10441] <... set_robust_list resumed>) = 0
[pid 10433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10430] <... futex resumed>) = 0
[pid 10441] chdir("./226" <unfinished ...>
[pid 10433] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10430] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10438] <... mkdir resumed>) = 0
[pid 10429] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10428] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10442 attached
<unfinished ...>
[pid 10441] <... chdir resumed>) = 0
[pid 10442] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10441] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10438] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10428] <... futex resumed>) = 0
[pid 5073] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10442
[pid 10441] <... prctl resumed>) = 0
[pid 10441] setpgid(0, 0) = 0
[pid 10442] <... set_robust_list resumed>) = 0
[pid 10441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10428] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10442] chdir("./224" <unfinished ...>
[pid 10441] <... openat resumed>) = 3
[pid 10441] write(3, "1000", 4) = 4
[pid 10441] close(3) = 0
[pid 10441] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10441] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10441] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10441] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10443], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10443
[pid 10441] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10442] <... chdir resumed>) = 0
[pid 10441] <... futex resumed>) = 0
[pid 10442] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[ 278.529951][T10436] loop2: detected capacity change from 0 to 4096
[ 278.539997][T10438] loop4: detected capacity change from 0 to 4096
[ 278.562422][T10436] NILFS (loop2): invalid segment: Checksum error in segment payload
[pid 10441] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10442] <... prctl resumed>) = 0
[pid 10442] setpgid(0, 0) = 0
./strace-static-x86_64: Process 10443 attached
[pid 10442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10443] set_robust_list(0x7fe42d3189e0, 24) = 0
[pid 10443] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10442] <... openat resumed>) = 3
[pid 10443] <... memfd_create resumed>) = 3
[pid 10443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10442] write(3, "1000", 4) = 4
[pid 10430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10430] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10430] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10430] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10442] close(3) = 0
[pid 10430] <... clone resumed>, parent_tid=[10444], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10444
[pid 10442] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10430] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10442] <... symlink resumed>) = 0
[pid 10430] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10442] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 10444 attached
[pid 10443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10442] <... futex resumed>) = 0
[pid 10428] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10444] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10428] <... futex resumed>) = 0
[pid 10444] <... set_robust_list resumed>) = 0
[pid 10442] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10444] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10442] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10428] <... mmap resumed>) = 0x7fe4250d7000
[pid 10444] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10442] <... mprotect resumed>) = 0
[pid 10430] <... futex resumed>) = 0
[pid 10428] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10444] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10428] <... mprotect resumed>) = 0
[pid 10442] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10428] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10442] <... clone resumed>, parent_tid=[10445], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10445
[pid 10428] <... clone resumed>, parent_tid=[10446], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10446
[pid 10442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10428] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10442] <... futex resumed>) = 0
[pid 10428] <... futex resumed>) = 0
[pid 10442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[ 278.618683][T10438] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 278.636650][T10438] NILFS (loop4): trying rollback from an earlier position
[ 278.642885][T10436] NILFS (loop2): trying rollback from an earlier position
[pid 10428] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10446 attached
<unfinished ...>
[pid 10446] set_robust_list(0x7fe4250f79e0, 24./strace-static-x86_64: Process 10445 attached
) = 0
[pid 10446] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10445] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10446] <... mmap resumed>) = 0x20000000
[pid 10446] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10428] <... futex resumed>) = 0
[pid 10446] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10445] <... set_robust_list resumed>) = 0
[pid 10445] memfd_create("syzkaller", 0) = 3
[pid 10445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[ 278.686713][T10438] NILFS (loop4): recovery complete
[pid 10438] <... mount resumed>) = 0
[pid 10438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10436] <... mount resumed>) = 0
[pid 10438] chdir("./file0" <unfinished ...>
[pid 10436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10438] <... chdir resumed>) = 0
[pid 10436] <... openat resumed>) = 3
[pid 10436] chdir("./file0" <unfinished ...>
[pid 10438] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10436] <... chdir resumed>) = 0
[pid 10436] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10438] <... ioctl resumed>) = 0
[pid 10436] <... ioctl resumed>) = 0
[pid 10438] close(4 <unfinished ...>
[pid 10436] close(4) = 0
[pid 10436] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10436] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10443] <... write resumed>) = 2097152
[pid 10443] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10438] <... close resumed>) = 0
[pid 10435] <... futex resumed>) = 0
[pid 10443] <... munmap resumed>) = 0
[pid 10438] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10435] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10443] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10438] <... futex resumed>) = 1
[pid 10437] <... futex resumed>) = 0
[pid 10436] <... futex resumed>) = 0
[pid 10435] <... futex resumed>) = 1
[pid 10443] <... openat resumed>) = 4
[pid 10438] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10437] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10436] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10435] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 278.710925][T10436] NILFS (loop2): recovery complete
[ 278.730598][T10447] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 278.737820][T10448] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10443] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10437] <... futex resumed>) = 0
[pid 10437] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10443] <... ioctl resumed>) = 0
[pid 10443] close(3) = 0
[pid 10443] mkdir("./file0", 0777) = 0
[pid 10443] mount("/dev/loop5", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10436] <... openat resumed>) = 4
[pid 10436] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10435] <... futex resumed>) = 0
[pid 10445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10436] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10435] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10435] <... futex resumed>) = 0
[pid 10436] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[ 278.772959][T10443] loop5: detected capacity change from 0 to 4096
[pid 10435] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10438] <... openat resumed>) = 4
[pid 10437] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10438] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10437] <... futex resumed>) = 0
[pid 10438] <... futex resumed>) = 0
[pid 10437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10438] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10437] <... mmap resumed>) = 0x7fe4250d7000
[pid 10437] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10433] <... write resumed>) = 221184
[pid 10437] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10433] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10430] exit_group(0 <unfinished ...>
[pid 10444] <... futex resumed>) = ?
[pid 10437] <... clone resumed>, parent_tid=[10449], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10449
[pid 10430] <... exit_group resumed>) = ?
[pid 10444] +++ exited with 0 +++
[pid 10437] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10433] +++ exited with 0 +++
[pid 10430] +++ exited with 0 +++
[pid 10429] <... write resumed>) = 266240
[pid 10437] <... futex resumed>) = 0
[pid 10429] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10430, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 10437] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10449 attached
<unfinished ...>
[pid 10449] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10449] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10429] <... futex resumed>) = 0
[pid 10428] exit_group(0 <unfinished ...>
[pid 10446] <... futex resumed>) = ?
[pid 10428] <... exit_group resumed>) = ?
[pid 10446] +++ exited with 0 +++
[pid 10429] +++ exited with 0 +++
[pid 10428] +++ exited with 0 +++
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10428, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5070] fstat(3, <unfinished ...>
[pid 5071] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[ 278.823194][T10443] NILFS (loop5): invalid segment: Checksum error in segment payload
[pid 5070] getdents64(3, <unfinished ...>
[pid 5071] fstat(3, <unfinished ...>
[pid 10435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10435] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] getdents64(3, <unfinished ...>
[pid 5070] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10445] <... write resumed>) = 2097152
[pid 10435] <... futex resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10445] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5071] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10445] <... munmap resumed>) = 0
[pid 10435] <... mmap resumed>) = 0x7fe4250d7000
[pid 5071] lstat("./220/binderfs", <unfinished ...>
[pid 5070] lstat("./220/binderfs", <unfinished ...>
[pid 10445] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10435] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10445] <... openat resumed>) = 4
[pid 10435] <... mprotect resumed>) = 0
[pid 5071] unlink("./220/binderfs" <unfinished ...>
[pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10445] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10435] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5070] unlink("./220/binderfs" <unfinished ...>
[pid 10437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10437] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10437] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10438] <... futex resumed>) = 0
[pid 5070] <... unlink resumed>) = 0
[pid 10438] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10438] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10435] <... clone resumed>, parent_tid=[10450], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10450
[pid 10435] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10438] <... futex resumed>) = 1
[pid 10437] <... futex resumed>) = 0
[pid 10435] <... futex resumed>) = 0
[pid 10438] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10435] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10445] <... ioctl resumed>) = 0
[pid 10445] close(3) = 0
[pid 10445] mkdir("./file0", 0777) = 0
[pid 10445] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, ""./strace-static-x86_64: Process 10450 attached
<unfinished ...>
[pid 10450] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10450] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid 10450] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10435] <... futex resumed>) = 0
[pid 10450] <... futex resumed>) = 1
[ 278.866671][T10443] NILFS (loop5): trying rollback from an earlier position
[ 278.894638][T10445] loop3: detected capacity change from 0 to 4096
[ 278.905879][T10443] NILFS (loop5): recovery complete
[pid 10450] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10443] <... mount resumed>) = 0
[pid 10443] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 10443] chdir("./file0") = 0
[pid 10443] ioctl(4, LOOP_CLR_FD) = 0
[pid 10443] close(4) = 0
[pid 10443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 10441] <... futex resumed>) = 0
[pid 10443] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10441] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10441] <... futex resumed>) = 0
[pid 10443] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10441] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5070] <... umount2 resumed>) = 0
[pid 10449] <... write resumed>) = 143360
[pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10449] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10449] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10437] exit_group(0 <unfinished ...>
[pid 10449] <... futex resumed>) = ?
[pid 10437] <... exit_group resumed>) = ?
[pid 5070] lstat("./220/file0", <unfinished ...>
[pid 10449] +++ exited with 0 +++
[pid 10438] <... futex resumed>) = ?
[pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10438] +++ exited with 0 +++
[pid 10437] +++ exited with 0 +++
[pid 5071] <... umount2 resumed>) = 0
[pid 5070] <... openat resumed>) = 4
[pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10437, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] fstat(4, <unfinished ...>
[pid 5074] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... restart_syscall resumed>) = 0
[ 278.960707][T10451] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 278.994332][T10445] NILFS (loop3): invalid segment: Checksum error in segment payload
[pid 5070] getdents64(4, <unfinished ...>
[pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] getdents64(4, <unfinished ...>
[pid 5074] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5070] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10443] <... openat resumed>) = 4
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] lstat("./220/file0", <unfinished ...>
[pid 5070] close(4 <unfinished ...>
[pid 10443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10443] <... futex resumed>) = 1
[pid 10441] <... futex resumed>) = 0
[pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5071] getdents64(4, <unfinished ...>
[pid 10443] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10441] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] fstat(3, <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5070] rmdir("./220/file0" <unfinished ...>
[pid 5071] getdents64(4, 0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5071] close(4) = 0
[pid 5071] rmdir("./220/file0") = 0
[pid 5071] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10441] <... futex resumed>) = 0
[pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5071] close(3 <unfinished ...>
[pid 5070] <... rmdir resumed>) = 0
[pid 10441] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10436] <... write resumed>) = 212992
[pid 5074] getdents64(3, <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 5070] getdents64(3, <unfinished ...>
[pid 10436] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] rmdir("./220" <unfinished ...>
[pid 10436] <... futex resumed>) = 0
[pid 5071] <... rmdir resumed>) = 0
[pid 10436] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] mkdir("./221", 0777) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5071] close(3) = 0
[pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10453
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10435] exit_group(0./strace-static-x86_64: Process 10453 attached
<unfinished ...>
[pid 10453] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 5070] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10450] <... futex resumed>) = ?
[pid 10436] <... futex resumed>) = ?
[pid 10435] <... exit_group resumed>) = ?
[pid 5074] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10453] chdir("./221" <unfinished ...>
[pid 10450] +++ exited with 0 +++
[pid 10445] <... mount resumed>) = 0
[pid 10436] +++ exited with 0 +++
[pid 10453] <... chdir resumed>) = 0
[pid 10453] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10435] +++ exited with 0 +++
[pid 5070] <... close resumed>) = 0
[pid 10453] <... prctl resumed>) = 0
[pid 10445] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10435, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] rmdir("./220" <unfinished ...>
[pid 10453] setpgid(0, 0 <unfinished ...>
[pid 10445] <... openat resumed>) = 3
[pid 5074] lstat("./222/binderfs", <unfinished ...>
[pid 10453] <... setpgid resumed>) = 0
[pid 10445] chdir("./file0" <unfinished ...>
[pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5070] <... rmdir resumed>) = 0
[pid 10453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10445] <... chdir resumed>) = 0
[pid 5074] unlink("./222/binderfs" <unfinished ...>
[pid 5070] mkdir("./221", 0777 <unfinished ...>
[pid 10453] <... openat resumed>) = 3
[pid 10445] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10453] write(3, "1000", 4 <unfinished ...>
[pid 5074] <... unlink resumed>) = 0
[pid 10453] <... write resumed>) = 4
[pid 10445] <... ioctl resumed>) = 0
[pid 5070] <... mkdir resumed>) = 0
[pid 10453] close(3 <unfinished ...>
[pid 10445] close(4 <unfinished ...>
[pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[ 279.024988][T10445] NILFS (loop3): trying rollback from an earlier position
[ 279.042555][T10445] NILFS (loop3): recovery complete
[ 279.059833][T10452] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10453] <... close resumed>) = 0
[pid 10445] <... close resumed>) = 0
[pid 5072] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5070] <... openat resumed>) = 3
[pid 10453] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10445] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10453] <... symlink resumed>) = 0
[pid 10445] <... futex resumed>) = 1
[pid 10442] <... futex resumed>) = 0
[pid 10441] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10453] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10445] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10441] <... futex resumed>) = 0
[pid 5072] <... openat resumed>) = 3
[pid 10453] <... futex resumed>) = 0
[pid 10442] <... futex resumed>) = 0
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10445] <... openat resumed>) = 4
[pid 10442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5072] fstat(3, <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 10453] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10445] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10441] <... mmap resumed>) = 0x7fe4250d7000
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5070] <... close resumed>) = 0
[pid 10453] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10442] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10453] <... mprotect resumed>) = 0
[pid 10442] <... futex resumed>) = 0
[pid 10453] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10445] <... futex resumed>) = 0
[pid 10442] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10441] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10445] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10453] <... clone resumed>, parent_tid=[10454], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10454
[pid 10441] <... mprotect resumed>) = 0
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10453] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10453] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = 0
[pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5074] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10441] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5072] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10455
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 10454 attached
[pid 10441] <... clone resumed>, parent_tid=[10456], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10456
[pid 5072] lstat("./222/binderfs", ./strace-static-x86_64: Process 10455 attached
<unfinished ...>
[pid 10454] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10441] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10455] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10454] <... set_robust_list resumed>) = 0
[pid 10441] <... futex resumed>) = 0
[pid 5072] unlink("./222/binderfs" <unfinished ...>
[pid 10455] <... set_robust_list resumed>) = 0
[pid 10454] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10441] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10455] chdir("./221" <unfinished ...>
[pid 10454] <... memfd_create resumed>) = 3
[pid 5074] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5072] <... unlink resumed>) = 0
[pid 10455] <... chdir resumed>) = 0
[pid 10454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5074] <... openat resumed>) = 4
[pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10455] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10454] <... mmap resumed>) = 0x7fe424ef8000
[pid 5074] fstat(4, ./strace-static-x86_64: Process 10456 attached
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10456] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10455] <... prctl resumed>) = 0
[pid 10456] <... set_robust_list resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10456] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10455] setpgid(0, 0 <unfinished ...>
[pid 5074] getdents64(4, <unfinished ...>
[pid 10456] <... mmap resumed>) = 0x20000000
[pid 10455] <... setpgid resumed>) = 0
[pid 5074] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10456] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] close(4 <unfinished ...>
[pid 10456] <... futex resumed>) = 1
[pid 10455] <... openat resumed>) = 3
[pid 10441] <... futex resumed>) = 0
[pid 5074] <... close resumed>) = 0
[pid 10456] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10455] write(3, "1000", 4 <unfinished ...>
[pid 5074] rmdir("./222/file0" <unfinished ...>
[pid 10455] <... write resumed>) = 4
[pid 5074] <... rmdir resumed>) = 0
[pid 10455] close(3 <unfinished ...>
[pid 10442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5074] getdents64(3, <unfinished ...>
[pid 10455] <... close resumed>) = 0
[pid 10442] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10455] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10442] <... futex resumed>) = 0
[pid 5074] close(3 <unfinished ...>
[pid 10455] <... symlink resumed>) = 0
[pid 10442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 10455] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10442] <... mmap resumed>) = 0x7fe4250d7000
[pid 5074] rmdir("./222" <unfinished ...>
[pid 10455] <... futex resumed>) = 0
[pid 10442] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] <... rmdir resumed>) = 0
[pid 10455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10442] <... mprotect resumed>) = 0
[pid 5074] mkdir("./223", 0777 <unfinished ...>
[pid 10455] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10442] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5074] <... mkdir resumed>) = 0
[pid 10455] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10455] <... mprotect resumed>) = 0
[pid 10442] <... clone resumed>, parent_tid=[10457], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10457
[pid 5074] <... openat resumed>) = 3
[pid 10455] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10442] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... umount2 resumed>) = 0
[pid 10442] <... futex resumed>) = 0
[pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10457 attached
<unfinished ...>
[pid 10455] <... clone resumed>, parent_tid=[10458], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10458
[pid 10442] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5074] close(3./strace-static-x86_64: Process 10458 attached
<unfinished ...>
[pid 10457] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10455] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10458] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10457] <... set_robust_list resumed>) = 0
[pid 10455] <... futex resumed>) = 0
[pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5072] lstat("./222/file0", <unfinished ...>
[pid 10458] <... set_robust_list resumed>) = 0
[pid 10457] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10455] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
./strace-static-x86_64: Process 10459 attached
[pid 10458] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10457] <... mmap resumed>) = 0x20000000
[pid 5074] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10459
[pid 10458] <... memfd_create resumed>) = 3
[pid 10457] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10459] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 10458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10457] <... futex resumed>) = 1
[pid 10442] <... futex resumed>) = 0
[pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10459] <... set_robust_list resumed>) = 0
[pid 10458] <... mmap resumed>) = 0x7fe424ef8000
[pid 10457] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5072] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10459] chdir("./223" <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 10459] <... chdir resumed>) = 0
[pid 5072] fstat(4, <unfinished ...>
[pid 10459] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10454] <... write resumed>) = 2097152
[pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10459] <... prctl resumed>) = 0
[pid 10454] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5072] getdents64(4, <unfinished ...>
[pid 10459] setpgid(0, 0 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10459] <... setpgid resumed>) = 0
[pid 10454] <... munmap resumed>) = 0
[pid 5072] getdents64(4, <unfinished ...>
[pid 10459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10454] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10459] <... openat resumed>) = 3
[pid 10454] <... openat resumed>) = 4
[pid 5072] close(4 <unfinished ...>
[pid 10459] write(3, "1000", 4 <unfinished ...>
[pid 10454] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10459] <... write resumed>) = 4
[pid 5072] rmdir("./222/file0" <unfinished ...>
[pid 10459] close(3) = 0
[pid 10458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10454] <... ioctl resumed>) = 0
[pid 5072] <... rmdir resumed>) = 0
[pid 10459] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10454] close(3 <unfinished ...>
[pid 5072] getdents64(3, <unfinished ...>
[pid 10459] <... symlink resumed>) = 0
[pid 10454] <... close resumed>) = 0
[pid 10459] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5072] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10459] <... futex resumed>) = 0
[pid 10454] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] close(3 <unfinished ...>
[pid 10459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10454] <... mkdir resumed>) = 0
[pid 5072] <... close resumed>) = 0
[pid 10459] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10454] mount("/dev/loop1", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5072] rmdir("./222" <unfinished ...>
[pid 10459] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10445] <... write resumed>) = 286720
[pid 10445] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10442] exit_group(0 <unfinished ...>
[pid 5072] <... rmdir resumed>) = 0
[pid 10459] <... mprotect resumed>) = 0
[pid 10457] <... futex resumed>) = ?
[pid 10445] <... futex resumed>) = ?
[pid 10442] <... exit_group resumed>) = ?
[pid 5072] mkdir("./223", 0777 <unfinished ...>
[pid 10459] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10457] +++ exited with 0 +++
[pid 10445] +++ exited with 0 +++
[pid 10442] +++ exited with 0 +++
[ 279.304210][T10454] loop1: detected capacity change from 0 to 4096
[pid 5072] <... mkdir resumed>) = 0
[pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10442, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5073] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5073] fstat(3, <unfinished ...>
[pid 10459] <... clone resumed>, parent_tid=[10460], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10460
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 10460 attached
<unfinished ...>
[pid 10459] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] getdents64(3, <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 10460] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10459] <... futex resumed>) = 0
[pid 10443] <... write resumed>) = 389120
[pid 5073] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 5072] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10460] <... set_robust_list resumed>) = 0
[pid 10459] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10443] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10441] exit_group(0 <unfinished ...>
[pid 5073] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10460] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10458] <... write resumed>) = 2097152
[pid 10456] <... futex resumed>) = ?
[pid 10443] <... futex resumed>) = ?
[pid 10441] <... exit_group resumed>) = ?
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10456] +++ exited with 0 +++
[pid 10443] +++ exited with 0 +++
[pid 10441] +++ exited with 0 +++
[pid 5073] lstat("./224/binderfs", <unfinished ...>
[pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10441, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5075] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5073] unlink("./224/binderfs" <unfinished ...>
[pid 5075] <... restart_syscall resumed>) = 0
[pid 5073] <... unlink resumed>) = 0
[pid 5072] close(3 <unfinished ...>
[pid 10460] <... memfd_create resumed>) = 3
[pid 10458] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 10460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10458] <... munmap resumed>) = 0
[pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10460] <... mmap resumed>) = 0x7fe424ef8000
[pid 10458] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 10460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10458] <... openat resumed>) = 4
[pid 5072] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10461
[ 279.348405][T10454] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 279.364380][T10454] NILFS (loop1): trying rollback from an earlier position
[ 279.378639][T10454] NILFS (loop1): recovery complete
[pid 10458] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5075] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10461 attached
<unfinished ...>
[pid 10458] <... ioctl resumed>) = 0
[pid 10458] close(3) = 0
[pid 10458] mkdir("./file0", 0777 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10461] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10458] <... mkdir resumed>) = 0
[pid 10454] <... mount resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10461] chdir("./223" <unfinished ...>
[pid 10458] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 10461] <... chdir resumed>) = 0
[pid 10454] <... openat resumed>) = 3
[pid 5075] fstat(3, <unfinished ...>
[pid 10461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10454] chdir("./file0" <unfinished ...>
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10461] <... prctl resumed>) = 0
[pid 10454] <... chdir resumed>) = 0
[pid 5075] getdents64(3, <unfinished ...>
[pid 10461] setpgid(0, 0 <unfinished ...>
[pid 10454] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10461] <... setpgid resumed>) = 0
[pid 10454] <... ioctl resumed>) = 0
[pid 5075] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10454] close(4 <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10461] <... openat resumed>) = 3
[pid 10454] <... close resumed>) = 0
[pid 5075] lstat("./226/binderfs", <unfinished ...>
[pid 10461] write(3, "1000", 4 <unfinished ...>
[pid 10454] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10461] <... write resumed>) = 4
[pid 10460] <... write resumed>) = 2097152
[pid 10454] <... futex resumed>) = 1
[pid 10453] <... futex resumed>) = 0
[pid 5075] unlink("./226/binderfs" <unfinished ...>
[pid 10461] close(3 <unfinished ...>
[pid 10460] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10454] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10453] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... unlink resumed>) = 0
[ 279.394886][T10458] loop0: detected capacity change from 0 to 4096
[ 279.417068][T10462] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10461] <... close resumed>) = 0
[pid 10460] <... munmap resumed>) = 0
[pid 10454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10453] <... futex resumed>) = 0
[pid 5075] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10461] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 10460] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 10454] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10453] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... umount2 resumed>) = 0
[pid 10461] <... symlink resumed>) = 0
[pid 10460] <... openat resumed>) = 4
[pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10461] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10460] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10461] <... futex resumed>) = 0
[pid 10454] <... openat resumed>) = 4
[pid 5073] lstat("./224/file0", <unfinished ...>
[pid 10461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10454] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10461] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10460] <... ioctl resumed>) = 0
[pid 10454] <... futex resumed>) = 1
[pid 10453] <... futex resumed>) = 0
[pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10461] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10460] close(3 <unfinished ...>
[pid 10454] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10453] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10461] <... mprotect resumed>) = 0
[pid 10460] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10461] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 10460] mkdir("./file0", 0777 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 10460] <... mkdir resumed>) = 0
[pid 5073] fstat(4, <unfinished ...>
[pid 10461] <... clone resumed>, parent_tid=[10463], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10463
[ 279.459114][T10458] NILFS (loop0): invalid segment: Checksum error in segment payload
[ 279.476116][T10460] loop4: detected capacity change from 0 to 4096
[pid 10460] mount("/dev/loop4", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10461] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10453] <... futex resumed>) = 0
[pid 5073] getdents64(4, <unfinished ...>
[pid 10461] <... futex resumed>) = 0
[pid 10453] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5073] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10461] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5073] getdents64(4, ./strace-static-x86_64: Process 10463 attached
0x555556a16660 /* 0 entries */, 32768) = 0
[pid 5073] close(4 <unfinished ...>
[pid 10463] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 10463] <... set_robust_list resumed>) = 0
[pid 5073] rmdir("./224/file0") = 0
[pid 5073] getdents64(3, 0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 5073] close(3) = 0
[pid 5073] rmdir("./224") = 0
[pid 5073] mkdir("./225", 0777) = 0
[pid 10463] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10463] <... memfd_create resumed>) = 3
[pid 5073] <... openat resumed>) = 3
[pid 10463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 10463] <... mmap resumed>) = 0x7fe424ef8000
[pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5073] close(3) = 0
[pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a0d5d0) = 10464
./strace-static-x86_64: Process 10464 attached
[pid 10464] set_robust_list(0x555556a0d5e0, 24) = 0
[pid 10464] chdir("./225" <unfinished ...>
[pid 10453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 5075] <... umount2 resumed>) = 0
[pid 10464] <... chdir resumed>) = 0
[pid 10453] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10464] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10453] <... futex resumed>) = 0
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10464] <... prctl resumed>) = 0
[pid 10453] <... mmap resumed>) = 0x7fe4250d7000
[pid 5075] lstat("./226/file0", <unfinished ...>
[pid 10464] setpgid(0, 0 <unfinished ...>
[pid 10453] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10464] <... setpgid resumed>) = 0
[pid 10453] <... mprotect resumed>) = 0
[pid 5075] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 10453] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10464] <... openat resumed>) = 3
[ 279.503847][T10460] NILFS (loop4): invalid segment: Checksum error in segment payload
[ 279.526487][T10458] NILFS (loop0): trying rollback from an earlier position
[pid 5075] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10464] write(3, "1000", 4) = 4
[pid 10464] close(3) = 0
[pid 10464] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10464] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10453] <... clone resumed>, parent_tid=[10465], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10465
[pid 5075] <... openat resumed>) = 4
./strace-static-x86_64: Process 10465 attached
[pid 10464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10453] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] fstat(4, <unfinished ...>
[pid 10465] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10464] <... mmap resumed>) = 0x7fe42d2f8000
[pid 10453] <... futex resumed>) = 0
[pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10465] <... set_robust_list resumed>) = 0
[pid 10464] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10453] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10465] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10464] <... mprotect resumed>) = 0
[pid 10463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 10464] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5075] getdents64(4, <unfinished ...>
[pid 10465] <... mmap resumed>) = 0x20000000
[pid 5075] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10465] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10464] <... clone resumed>, parent_tid=[10467], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10467
[pid 5075] close(4 <unfinished ...>
[pid 10465] <... futex resumed>) = 1
[pid 10464] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10453] <... futex resumed>) = 0
[pid 5075] <... close resumed>) = 0
[pid 10465] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10464] <... futex resumed>) = 0
[pid 5075] rmdir("./226/file0"./strace-static-x86_64: Process 10467 attached
<unfinished ...>
[pid 10464] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 10463] <... write resumed>) = 2097152
[pid 10458] <... mount resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 10467] set_robust_list(0x7fe42d3189e0, 24 <unfinished ...>
[pid 10463] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5075] getdents64(3, <unfinished ...>
[pid 10467] <... set_robust_list resumed>) = 0
[pid 10467] memfd_create("syzkaller", 0 <unfinished ...>
[pid 10463] <... munmap resumed>) = 0
[pid 10458] <... openat resumed>) = 3
[pid 5075] <... getdents64 resumed>0x555556a0e620 /* 0 entries */, 32768) = 0
[pid 10467] <... memfd_create resumed>) = 3
[pid 10463] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 10458] chdir("./file0" <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 10467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 10463] <... openat resumed>) = 4
[pid 10458] <... chdir resumed>) = 0
[pid 5075] <... close resumed>) = 0
[ 279.574466][T10458] NILFS (loop0): recovery complete
[ 279.580040][T10460] NILFS (loop4): trying rollback from an earlier position
[ 279.609721][T10466] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10467] <... mmap resumed>) = 0x7fe424ef8000
[pid 10463] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10458] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5075] rmdir("./226" <unfinished ...>
[pid 10458] <... ioctl resumed>) = 0
[pid 5075] <... rmdir resumed>) = 0
[pid 10463] <... ioctl resumed>) = 0
[pid 10458] close(4 <unfinished ...>
[pid 5075] mkdir("./227", 0777 <unfinished ...>
[pid 10463] close(3 <unfinished ...>
[pid 10458] <... close resumed>) = 0
[pid 5075] <... mkdir resumed>) = 0
[pid 10463] <... close resumed>) = 0
[pid 10460] <... mount resumed>) = 0
[pid 10458] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10463] mkdir("./file0", 0777 <unfinished ...>
[pid 10460] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 10458] <... futex resumed>) = 1
[pid 10455] <... futex resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 10463] <... mkdir resumed>) = 0
[pid 10463] mount("/dev/loop2", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10460] <... openat resumed>) = 3
[pid 10458] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10455] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] ioctl(3, LOOP_CLR_FD <unfinished ...>
[ 279.631509][T10460] NILFS (loop4): recovery complete
[ 279.637044][T10463] loop2: detected capacity change from 0 to 4096
[ 279.647722][T10468] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 10460] chdir("./file0" <unfinished ...>
[pid 10458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10455] <... futex resumed>) = 0
[pid 10454] <... write resumed>) = 229376
[pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 10460] <... chdir resumed>) = 0
[pid 10458] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10455] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5075] close(3 <unfinished ...>
[pid 10460] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10454] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 10460] <... ioctl resumed>) = 0
[pid 10458] <... openat resumed>) = 4
[pid 10453] exit_group(0 <unfinished ...>
[pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 10454] <... futex resumed>) = -1 (errno 18446744073709551560)
[pid 10465] <... futex resumed>) = ?
[pid 10460] close(4 <unfinished ...>
[pid 10458] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10453] <... exit_group resumed>) = ?
[pid 10465] +++ exited with 0 +++
[pid 10460] <... close resumed>) = 0
[pid 10458] <... futex resumed>) = 1
[pid 10455] <... futex resumed>) = 0
[pid 10454] +++ exited with 0 +++
[pid 10453] +++ exited with 0 +++
[pid 5075] <... clone resumed>, child_tidptr=0x555556a0d5d0) = 10469
[pid 10460] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10458] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10455] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10460] <... futex resumed>) = 1
[pid 10459] <... futex resumed>) = 0
[pid 10455] <... futex resumed>) = 0
[pid 10460] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10459] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10455] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10453, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 10460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10459] <... futex resumed>) = 0
[pid 5071] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10460] openat(AT_FDCWD, "blkio.bfq.time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid 10459] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10469 attached
<unfinished ...>
[pid 10469] set_robust_list(0x555556a0d5e0, 24 <unfinished ...>
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10469] <... set_robust_list resumed>) = 0
[pid 10460] <... openat resumed>) = 4
[pid 5071] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 10469] chdir("./227" <unfinished ...>
[pid 10460] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 10469] <... chdir resumed>) = 0
[pid 10460] <... futex resumed>) = 1
[pid 10459] <... futex resumed>) = 0
[pid 5071] fstat(3, <unfinished ...>
[pid 10469] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 10460] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10459] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10469] <... prctl resumed>) = 0
[pid 10460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 10459] <... futex resumed>) = 0
[pid 5071] getdents64(3, <unfinished ...>
[pid 10469] setpgid(0, 0 <unfinished ...>
[pid 10460] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 <unfinished ...>
[pid 10459] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10469] <... setpgid resumed>) = 0
[pid 5071] <... getdents64 resumed>0x555556a0e620 /* 4 entries */, 32768) = 112
[pid 10469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10469] write(3, "1000", 4) = 4
[pid 10469] close(3) = 0
[pid 10469] symlink("/dev/binderfs", "./binderfs") = 0
[pid 10469] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe42d2f8000
[pid 10469] mprotect(0x7fe42d2f9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 5071] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10469] <... mprotect resumed>) = 0
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10469] clone(child_stack=0x7fe42d3183f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] lstat("./221/binderfs", <unfinished ...>
[pid 10469] <... clone resumed>, parent_tid=[10470], tls=0x7fe42d318700, child_tidptr=0x7fe42d3189d0) = 10470
[pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 10469] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] unlink("./221/binderfs" <unfinished ...>
[pid 10469] <... futex resumed>) = 0
[pid 10469] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5071] <... unlink resumed>) = 0
[pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 10470 attached
<unfinished ...>
[pid 10470] set_robust_list(0x7fe42d3189e0, 24) = 0
[ 279.684361][T10463] NILFS (loop2): invalid segment: Checksum error in segment payload
[ 279.694097][T10463] NILFS (loop2): trying rollback from an earlier position
[pid 10467] <... write resumed>) = 2097152
[pid 10470] memfd_create("syzkaller", 0) = 3
[pid 10470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe424ef8000
[pid 10455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10455] futex(0x7fe42d3f27ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid 10455] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe4250d7000
[pid 10455] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 10455] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[10471], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10471
[pid 10455] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10455] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 10467] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10459] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 10459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid 10467] <... munmap resumed>) = 0
[pid 10459] <... mmap resumed>) = 0x7fe4250d7000
[pid 10459] mprotect(0x7fe4250d8000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid 10467] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 10459] <... mprotect resumed>) = 0
./strace-static-x86_64: Process 10471 attached
[pid 10459] clone(child_stack=0x7fe4250f73f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid 5071] <... umount2 resumed>) = 0
[pid 10471] set_robust_list(0x7fe4250f79e0, 24 <unfinished ...>
[pid 10467] <... openat resumed>) = 4
[pid 10471] <... set_robust_list resumed>) = 0
[pid 10459] <... clone resumed>, parent_tid=[10472], tls=0x7fe4250f7700, child_tidptr=0x7fe4250f79d0) = 10472
[pid 10471] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 10459] futex(0x7fe42d3f27b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10471] <... mmap resumed>) = 0x20000000
[pid 10467] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10459] <... futex resumed>) = 0
[pid 10471] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10459] futex(0x7fe42d3f27bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 10471] <... futex resumed>) = 1
[pid 10455] <... futex resumed>) = 0
./strace-static-x86_64: Process 10472 attached
[pid 10471] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10472] set_robust_list(0x7fe4250f79e0, 24) = 0
[pid 10472] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 <unfinished ...>
[pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 10472] <... mmap resumed>) = 0x20000000
[pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument)
[pid 10472] futex(0x7fe42d3f27bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 <unfinished ...>
[pid 5071] lstat("./221/file0", <unfinished ...>
[pid 10472] <... futex resumed>) = 1
[pid 10459] <... futex resumed>) = 0
[pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10472] futex(0x7fe42d3f27b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 10467] <... ioctl resumed>) = 0
[pid 5071] fstat(4, <unfinished ...>
[pid 10467] close(3 <unfinished ...>
[pid 10463] <... mount resumed>) = 0
[pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 10467] <... close resumed>) = 0
[pid 10463] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] getdents64(4, <unfinished ...>
[pid 10467] mkdir("./file0", 0777 <unfinished ...>
[pid 10463] <... openat resumed>) = 3
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 2 entries */, 32768) = 48
[pid 5071] getdents64(4, <unfinished ...>
[ 279.796790][T10467] loop3: detected capacity change from 0 to 4096
[ 279.813373][T10463] NILFS (loop2): recovery complete
[ 279.821548][T10473] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid 10463] chdir("./file0" <unfinished ...>
[pid 5071] <... getdents64 resumed>0x555556a16660 /* 0 entries */, 32768) = 0
[pid 10470] <... write resumed>) = 2097152
[pid 10467] <... mkdir resumed>) = 0
[pid 10463] <... chdir resumed>) = 0
[pid 10470] munmap(0x7fe424ef8000, 2097152 <unfinished ...>
[pid 10467] mount("/dev/loop3", "./file0", "nilfs2", MS_NOEXEC|MS_SYNCHRONOUS|MS_POSIXACL, "" <unfinished ...>
[pid 10463] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 10470] <... munmap resumed>) = 0
[pid 10463] <... ioctl resumed>) = 0
[pid 10470] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 10463] close(4 <unfinished ...>
[pid 10470] <... openat resumed>) = 4
[pid 10463] <... close resumed>) = 0
[pid 10458] <... write resumed>) = 126976
[pid 5071] close(4 <unfinished ...>
[pid 10470] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 10463] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10458] futex(0x7fe42d3f27ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5071] <... close resumed>) = 0
[pid 10470] <... ioctl resumed>) = 0
[ 279.846972][T10468] ------------[ cut here ]------------
[ 279.852689][T10468] WARNING: CPU: 0 PID: 10468 at fs/nilfs2/btree.c:2282 nilfs_btree_assign+0xa9f/0xd10
[ 279.862699][T10468] Modules linked in:
[ 279.866681][T10468] CPU: 0 PID: 10468 Comm: segctord Not tainted 6.3.0-rc3-syzkaller-00021-ga1effab7a3a3 #0
[ 279.876668][T10468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 279.880668][T10470] loop5: detected capacity change from 0 to 4096
[pid 10463] <... futex resumed>) = 1
[pid 10461] <... futex resumed>) = 0
[pid 10458] <... futex resumed>) = 0
[pid 5071] rmdir("./221/file0" <unfinished ...>
[pid 10470] close(3 <unfinished ...>
[pid 10463] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10461] futex(0x7fe42d3f27a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 10458] futex(0x7fe42d3f27a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 10455] exit_group(0 <unfinished ...>
[pid 5071] <... rmdir resumed>) = 0
[pid 10470] <... close resumed>) = 0
[ 279.886806][T10468] RIP: 0010:nilfs_btree_assign+0xa9f/0xd10
[ 279.899033][T10468] Code: 00 0f 85 81 02 00 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bd 55 41 fe 4c 8b 7c 24 38 eb a6 e8 b1 55 41 fe <0f> 0b 41 be fe ff ff ff eb 97 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
[ 279.918768][T10468] RSP: 0018:ffffc900066a7580 EFLAGS: 00010293
[ 279.924890][T10468] RAX: ffffffff8349176f RBX: ffff88806fb3d360 RCX: ffff88801f769d40
[ 279.932954][T10468] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
[ 279.941021][T10468] RBP: ffffc900066a76b0 R08: ffffffff834910cb R09: ffffed100dda3aaf
[ 279.949079][T10468] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 279.957146][T10468] R13: ffff888070d22d00 R14: 00000000fffffffe R15: 1ffff92000cd4ec0
[ 279.965169][T10468] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 279.974199][T10468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 279.980900][T10468] CR2: 0000555556a1e668 CR3: 000000007f410000 CR4: 00000000003506f0
[ 279.988952][T10468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 279.997011][T10468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 280.005021][T10468] Call Trace:
[ 280.008367][T10468] <TASK>
[ 280.011335][T10468] ? read_lock_is_recursive+0x20/0x20
[ 280.016827][T10468] ? __might_sleep+0xc0/0xc0
[ 280.021550][T10468] ? __down_write_common+0x161/0x200
[ 280.026962][T10468] ? nilfs_btree_lookup_dirty_buffers+0xf20/0xf20
[ 280.033435][T10468] ? clear_nonspinnable+0x60/0x60
[ 280.038571][T10468] ? asm_common_interrupt+0x26/0x40
[ 280.043960][T10468] nilfs_bmap_assign+0x8b/0x160
[ 280.048911][T10468] nilfs_segctor_do_construct+0x3a11/0x6f70
[ 280.054989][T10468] ? nilfs_transaction_unlock+0x210/0x210
[ 280.060836][T10468] ? __up_read+0x690/0x690
[ 280.065316][T10468] ? nilfs_segctor_confirm+0x24c/0x2d0
[ 280.071044][T10468] ? do_raw_spin_lock+0x14d/0x3a0
[ 280.076124][T10468] ? __lock_acquire+0x1f80/0x1f80
[ 280.081252][T10468] ? do_raw_spin_unlock+0x13b/0x8b0
[ 280.082095][T10475] loop1: detected capacity change from 0 to 4096
[ 280.086540][T10468] ? _raw_spin_unlock+0x28/0x40
[ 280.097847][T10468] ? nilfs_segctor_confirm+0x24c/0x2d0
[ 280.103369][T10468] nilfs_segctor_construct+0x145/0x8c0
[ 280.108922][T10468] ? trace_nilfs2_transaction_transition+0x9a/0x1f0
[ 280.111825][T10467] NILFS (loop3): invalid segment: Checksum error in segment payload
[ 280.115539][T10468] nilfs_segctor_thread+0x53a/0x1140
[ 280.128946][T10468] ? nilfs_construction_timeout+0x40/0x40
[ 280.134735][T10468] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 280.136786][T10470] NILFS (loop5): invalid segment: Checksum error in segment payload
[ 280.140707][T10468] ? _raw_spin_unlock+0x40/0x40
[ 280.153574][T10468] ? wake_bit_function+0x220/0x220
[ 280.158776][T10468] ? _raw_spin_unlock+0x40/0x40
[ 280.163686][T10468] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 280.169761][T10468] ? __kthread_parkme+0x164/0x1c0
[ 280.174904][T10468] kthread+0x270/0x300
[ 280.179071][T10468] ? nilfs_construction_timeout+0x40/0x40
[ 280.180902][T10475] NILFS (loop1): invalid segment: Checksum error in segment payload
[ 280.184821][T10468] ? kthread_blkcg+0xd0/0xd0
[ 280.193752][T10467] NILFS (loop3): trying rollback from an earlier position
[ 280.197555][T10468] ret_from_fork+0x1f/0x30
[ 280.209193][T10468] </TASK>
[ 280.211650][T10470] NILFS (loop5): trying rollback from an earlier position
[ 280.212226][T10468] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 280.212240][T10468] CPU: 0 PID: 10468 Comm: segctord Not tainted 6.3.0-rc3-syzkaller-00021-ga1effab7a3a3 #0
[ 280.212264][T10468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 280.212277][T10468] Call Trace:
[ 280.212285][T10468] <TASK>
[ 280.212293][T10468] dump_stack_lvl+0x1e7/0x2d0
[ 280.212387][T10468] ? nf_tcp_handle_invalid+0x650/0x650
[ 280.212439][T10468] ? panic+0x770/0x770
[ 280.212473][T10468] ? vscnprintf+0x5d/0x80
[ 280.212503][T10468] panic+0x31c/0x770
[ 280.212531][T10468] ? __warn+0x171/0x4a0
[ 280.212611][T10468] ? memcpy_page_flushcache+0x100/0x100
[ 280.212648][T10468] ? ret_from_fork+0x1f/0x30
[ 280.212693][T10468] __warn+0x314/0x4a0
[ 280.212719][T10468] ? nilfs_btree_assign+0xa9f/0xd10
[ 280.212758][T10468] report_bug+0x2b3/0x500
[ 280.212786][T10468] ? nilfs_btree_assign+0xa9f/0xd10
[ 280.212831][T10468] handle_bug+0x3d/0x70
[ 280.212863][T10468] exc_invalid_op+0x1a/0x50
[ 280.212896][T10468] asm_exc_invalid_op+0x1a/0x20
[ 280.212926][T10468] RIP: 0010:nilfs_btree_assign+0xa9f/0xd10
[ 280.212963][T10468] Code: 00 0f 85 81 02 00 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bd 55 41 fe 4c 8b 7c 24 38 eb a6 e8 b1 55 41 fe <0f> 0b 41 be fe ff ff ff eb 97 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
[ 280.212982][T10468] RSP: 0018:ffffc900066a7580 EFLAGS: 00010293
[ 280.213004][T10468] RAX: ffffffff8349176f RBX: ffff88806fb3d360 RCX: ffff88801f769d40
[ 280.213022][T10468] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
[ 280.213037][T10468] RBP: ffffc900066a76b0 R08: ffffffff834910cb R09: ffffed100dda3aaf
[ 280.213054][T10468] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 280.213071][T10468] R13: ffff888070d22d00 R14: 00000000fffffffe R15: 1ffff92000cd4ec0
[ 280.213095][T10468] ? nilfs_btree_assign+0x3fb/0xd10
[ 280.213128][T10468] ? nilfs_btree_assign+0xa9f/0xd10
[ 280.213170][T10468] ? read_lock_is_recursive+0x20/0x20
[ 280.213198][T10468] ? __might_sleep+0xc0/0xc0
[ 280.213225][T10468] ? __down_write_common+0x161/0x200
[ 280.213258][T10468] ? nilfs_btree_lookup_dirty_buffers+0xf20/0xf20
[ 280.213295][T10468] ? clear_nonspinnable+0x60/0x60
[ 280.213328][T10468] ? asm_common_interrupt+0x26/0x40
[ 280.213367][T10468] nilfs_bmap_assign+0x8b/0x160
[ 280.213404][T10468] nilfs_segctor_do_construct+0x3a11/0x6f70
[ 280.213507][T10468] ? nilfs_transaction_unlock+0x210/0x210
[ 280.213564][T10468] ? __up_read+0x690/0x690
[ 280.213595][T10468] ? nilfs_segctor_confirm+0x24c/0x2d0
[ 280.213623][T10468] ? do_raw_spin_lock+0x14d/0x3a0
[ 280.213650][T10468] ? __lock_acquire+0x1f80/0x1f80
[ 280.213698][T10468] ? do_raw_spin_unlock+0x13b/0x8b0
[ 280.213732][T10468] ? _raw_spin_unlock+0x28/0x40
[ 280.213762][T10468] ? nilfs_segctor_confirm+0x24c/0x2d0
[ 280.213795][T10468] nilfs_segctor_construct+0x145/0x8c0
[ 280.213827][T10468] ? trace_nilfs2_transaction_transition+0x9a/0x1f0
[ 280.213860][T10468] nilfs_segctor_thread+0x53a/0x1140
[ 280.213919][T10468] ? nilfs_construction_timeout+0x40/0x40
[ 280.213950][T10468] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 280.213982][T10468] ? _raw_spin_unlock+0x40/0x40
[ 280.214013][T10468] ? wake_bit_function+0x220/0x220
[ 280.214034][T10468] ? _raw_spin_unlock+0x40/0x40
[ 280.214062][T10468] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 280.214089][T10468] ? __kthread_parkme+0x164/0x1c0
[ 280.214116][T10468] kthread+0x270/0x300
[ 280.214137][T10468] ? nilfs_construction_timeout+0x40/0x40
[ 280.214165][T10468] ? kthread_blkcg+0xd0/0xd0
[ 280.214189][T10468] ret_from_fork+0x1f/0x30
[ 280.214233][T10468] </TASK>
[ 280.219374][T10468] Kernel Offset: disabled
[ 280.567327][T10468] Rebooting in 86400 seconds..