./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4169794638

<...>
Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts.
execve("./syz-executor4169794638", ["./syz-executor4169794638"], 0x7ffd579014d0 /* 10 vars */) = 0
brk(NULL)                               = 0x555594d97000
brk(0x555594d97d00)                     = 0x555594d97d00
arch_prctl(ARCH_SET_FS, 0x555594d97380) = 0
set_tid_address(0x555594d97650)         = 5834
set_robust_list(0x555594d97660, 24)     = 0
rseq(0x555594d97ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4169794638", 4096) = 28
getrandom("\x56\xda\xc5\xf3\x06\x06\xcc\xbc", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555594d97d00
brk(0x555594db8d00)                     = 0x555594db8d00
brk(0x555594db9000)                     = 0x555594db9000
mprotect(0x7f7901efe000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached
, child_tidptr=0x555594d97650) = 5835
[pid  5835] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5835] mkdir("./syzkaller.hvFzn7", 0700./strace-static-x86_64: Process 5836 attached
 <unfinished ...>
[pid  5836] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555594d97650) = 5836
[pid  5835] <... mkdir resumed>)        = 0
[pid  5836] <... set_robust_list resumed>) = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] chmod("./syzkaller.hvFzn7", 0777./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5836] mkdir("./syzkaller.EPUK7H", 0700 <unfinished ...>
[pid  5837] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5835] <... chmod resumed>)        = 0
[pid  5835] chdir("./syzkaller.hvFzn7") = 0
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5836] <... mkdir resumed>)        = 0
[pid  5835] mkdir("./0", 0777 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555594d97650) = 5837
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5837] mkdir("./syzkaller.GEAh3Y", 0700 <unfinished ...>
[pid  5836] chmod("./syzkaller.EPUK7H", 0777 <unfinished ...>
[pid  5835] <... mkdir resumed>)        = 0
[pid  5837] <... mkdir resumed>)        = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5837] chmod("./syzkaller.GEAh3Y", 0777 <unfinished ...>
[pid  5836] <... chmod resumed>)        = 0
[pid  5835] <... openat resumed>)       = 3
[pid  5836] chdir("./syzkaller.EPUK7H") = 0
./strace-static-x86_64: Process 5838 attached
[pid  5836] mkdir("./0", 0777 <unfinished ...>
[pid  5835] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5837] <... chmod resumed>)        = 0
[pid  5834] <... clone resumed>, child_tidptr=0x555594d97650) = 5838
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5837] chdir("./syzkaller.GEAh3Y" <unfinished ...>
[pid  5835] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5838] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5839 attached
[pid  5838] mkdir("./syzkaller.QzwSZ0", 0700 <unfinished ...>
[pid  5837] <... chdir resumed>)        = 0
[pid  5836] <... mkdir resumed>)        = 0
[pid  5835] close(3 <unfinished ...>
[pid  5839] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5837] mkdir("./0", 0777 <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5839] mkdir("./syzkaller.e9PUQE", 0700 <unfinished ...>
[pid  5838] chmod("./syzkaller.QzwSZ0", 0777 <unfinished ...>
[pid  5837] <... mkdir resumed>)        = 0
[pid  5836] <... openat resumed>)       = 3
[pid  5834] <... clone resumed>, child_tidptr=0x555594d97650) = 5839
[pid  5840] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5841 attached
[pid  5840] chdir("./0" <unfinished ...>
[pid  5839] <... mkdir resumed>)        = 0
[pid  5838] <... chmod resumed>)        = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5841] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5838] chdir("./syzkaller.QzwSZ0" <unfinished ...>
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5840] <... chdir resumed>)        = 0
[pid  5840] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5835] <... clone resumed>, child_tidptr=0x555594d97650) = 5840
[pid  5840] <... prctl resumed>)        = 0
[pid  5841] mkdir("./syzkaller.0nYbbY", 0700 <unfinished ...>
[pid  5840] setpgid(0, 0 <unfinished ...>
[pid  5838] <... chdir resumed>)        = 0
[pid  5836] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5834] <... clone resumed>, child_tidptr=0x555594d97650) = 5841
[pid  5840] <... setpgid resumed>)      = 0
[pid  5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5838] mkdir("./0", 0777 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5839] chmod("./syzkaller.e9PUQE", 0777 <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5836] close(3 <unfinished ...>
[pid  5840] write(3, "1000", 4)         = 4
[pid  5840] close(3)                    = 0
[pid  5838] <... mkdir resumed>)        = 0
[pid  5840] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5841] chmod("./syzkaller.0nYbbY", 0777 <unfinished ...>
[pid  5840] <... symlink resumed>)      = 0
[pid  5839] <... chmod resumed>)        = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] <... close resumed>)        = 0
executing program
[pid  5840] write(1, "executing program\n", 18 <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] <... write resumed>)        = 18
./strace-static-x86_64: Process 5842 attached
[pid  5841] <... chmod resumed>)        = 0
[pid  5840] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5839] chdir("./syzkaller.e9PUQE" <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
[pid  5837] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] <... clone resumed>, child_tidptr=0x555594d97650) = 5842
[pid  5842] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5841] chdir("./syzkaller.0nYbbY" <unfinished ...>
[pid  5839] <... chdir resumed>)        = 0
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] <... memfd_create resumed>) = 3
[pid  5839] mkdir("./0", 0777 <unfinished ...>
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] <... close resumed>)        = 0
[pid  5842] chdir("./0" <unfinished ...>
[pid  5841] mkdir("./0", 0777 <unfinished ...>
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] <... mmap resumed>)         = 0x7f78f9a00000
./strace-static-x86_64: Process 5843 attached
[pid  5842] <... chdir resumed>)        = 0
[pid  5841] <... mkdir resumed>)        = 0
[pid  5839] <... mkdir resumed>)        = 0
[pid  5838] close(3 <unfinished ...>
[pid  5843] set_robust_list(0x555594d97660, 24) = 0
[pid  5843] chdir("./0")                = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] setpgid(0, 0)               = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
[pid  5843] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5843] write(1, "executing program\n", 18 <unfinished ...>
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5842] <... prctl resumed>)        = 0
executing program
[pid  5843] <... write resumed>)        = 18
[pid  5843] memfd_create("syzkaller", 0) = 3
[pid  5842] setpgid(0, 0 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[pid  5839] <... openat resumed>)       = 3
[pid  5842] <... setpgid resumed>)      = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5844] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555594d97650) = 5844
[pid  5837] <... clone resumed>, child_tidptr=0x555594d97650) = 5843
[pid  5839] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5844] chdir("./0")                = 0
[pid  5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5844] setpgid(0, 0)               = 0
[pid  5842] <... openat resumed>)       = 3
[pid  5841] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5842] write(3, "1000", 4 <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5844] write(3, "1000", 4)         = 4
[pid  5844] close(3)                    = 0
[pid  5844] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5842] <... write resumed>)        = 4
[pid  5841] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5839] close(3)                    = 0
[pid  5842] close(3 <unfinished ...>
[pid  5841] close(3 <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] write(1, "executing program\n", 18executing program
) = 18
[pid  5844] memfd_create("syzkaller", 0) = 3
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[pid  5842] <... close resumed>)        = 0
[pid  5841] <... close resumed>)        = 0
[pid  5842] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555594d97650) = 5845
./strace-static-x86_64: Process 5845 attached
./strace-static-x86_64: Process 5846 attached
[pid  5842] <... symlink resumed>)      = 0
[pid  5841] <... clone resumed>, child_tidptr=0x555594d97650) = 5846
executing program
[pid  5842] write(1, "executing program\n", 18) = 18
[pid  5845] set_robust_list(0x555594d97660, 24) = 0
[pid  5845] chdir("./0" <unfinished ...>
[pid  5842] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5845] <... chdir resumed>)        = 0
[pid  5842] <... memfd_create resumed>) = 3
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5846] chdir("./0" <unfinished ...>
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5842] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5845] <... prctl resumed>)        = 0
[pid  5846] <... chdir resumed>)        = 0
[pid  5845] setpgid(0, 0)               = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  5846] <... prctl resumed>)        = 0
[pid  5845] <... openat resumed>)       = 3
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5845] <... write resumed>)        = 4
[pid  5845] close(3)                    = 0
[pid  5845] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5845] write(1, "executing program\n", 18) = 18
[pid  5846] <... setpgid resumed>)      = 0
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5846] write(3, "1000", 4)         = 4
[pid  5846] close(3)                    = 0
[pid  5846] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5846] write(1, "executing program\n", 18) = 18
[pid  5846] memfd_create("syzkaller", 0) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[pid  5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5842] <... write resumed>)        = 16777216
[pid  5840] <... write resumed>)        = 16777216
[pid  5840] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5843] <... write resumed>)        = 16777216
[pid  5842] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5843] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5844] <... write resumed>)        = 16777216
[pid  5840] <... munmap resumed>)       = 0
[pid  5844] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5846] <... write resumed>)        = 16777216
[pid  5842] <... munmap resumed>)       = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5840] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5846] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5843] <... munmap resumed>)       = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5843] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] <... write resumed>)        = 16777216
[pid  5844] <... munmap resumed>)       = 0
[pid  5845] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5843] <... ioctl resumed>)        = 0
[pid  5842] <... openat resumed>)       = 4
[pid  5840] <... ioctl resumed>)        = 0
[pid  5843] close(3 <unfinished ...>
[pid  5842] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5843] <... close resumed>)        = 0
[pid  5843] close(4)                    = 0
[pid  5840] close(3)                    = 0
[pid  5840] close(4)                    = 0
[  108.183371][ T5840] loop0: detected capacity change from 0 to 32768
[  108.194136][ T5843] loop2: detected capacity change from 0 to 32768
[pid  5840] mkdir("./file0", 0777 <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5844] <... openat resumed>)       = 4
[pid  5840] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5844] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5844] close(3)                    = 0
[pid  5844] close(4)                    = 0
[pid  5844] mkdir("./file0", 0777)      = 0
[pid  5844] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5843] mkdir("./file0", 0777)      = 0
[pid  5843] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5844] <... mount resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5844] chdir("./file0")            = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5840] <... mount resumed>)        = 0
[pid  5846] <... munmap resumed>)       = 0
[pid  5844] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5840] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5845] <... munmap resumed>)       = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5840] chdir("./file0")            = 0
[pid  5844] exit_group(0 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5845] <... openat resumed>)       = 4
[  108.224603][ T5842] loop1: detected capacity change from 0 to 32768
[  108.231762][ T5844] loop3: detected capacity change from 0 to 32768
[pid  5844] <... exit_group resumed>)   = ?
[pid  5840] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5846] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5840] exit_group(0 <unfinished ...>
[pid  5842] <... ioctl resumed>)        = 0
[pid  5840] <... exit_group resumed>)   = ?
[pid  5842] close(3 <unfinished ...>
[pid  5846] <... openat resumed>)       = 4
[pid  5845] <... ioctl resumed>)        = 0
[pid  5844] +++ exited with 0 +++
[pid  5842] <... close resumed>)        = 0
[pid  5840] +++ exited with 0 +++
[pid  5843] <... mount resumed>)        = 0
[pid  5846] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5842] close(4 <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=29 /* 0.29 s */} ---
[pid  5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=31 /* 0.31 s */} ---
[pid  5845] close(3 <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5842] <... close resumed>)        = 0
[pid  5845] <... close resumed>)        = 0
[pid  5843] chdir("./file0" <unfinished ...>
[pid  5842] mkdir("./file0", 0777 <unfinished ...>
[pid  5845] close(4 <unfinished ...>
[pid  5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5835] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] mkdir("./file0", 0777 <unfinished ...>
[pid  5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5845] <... mkdir resumed>)        = 0
[pid  5835] <... openat resumed>)       = 3
[pid  5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5835] getdents64(3, 0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5845] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5843] <... chdir resumed>)        = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5842] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5843] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5838] <... openat resumed>)       = 3
[pid  5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] exit_group(0)               = ?
[pid  5843] +++ exited with 0 +++
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} ---
[pid  5837] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5838] getdents64(3,  <unfinished ...>
[pid  5835] <... umount2 resumed>)      = 0
[pid  5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5835] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5837] <... restart_syscall resumed>) = 0
[pid  5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5835] getdents64(4,  <unfinished ...>
[pid  5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5835] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5837] <... openat resumed>)       = 3
[pid  5835] getdents64(4,  <unfinished ...>
[pid  5845] <... mount resumed>)        = 0
[pid  5835] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5837] newfstatat(3, "",  <unfinished ...>
[pid  5835] close(4)                    = 0
[pid  5835] rmdir("./0/file0" <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5835] <... rmdir resumed>)        = 0
[pid  5842] <... mount resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5845] <... openat resumed>)       = 3
[pid  5842] <... openat resumed>)       = 3
[pid  5837] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5845] chdir("./file0" <unfinished ...>
[pid  5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5846] <... ioctl resumed>)        = 0
[pid  5845] <... chdir resumed>)        = 0
[pid  5842] chdir("./file0" <unfinished ...>
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5842] <... chdir resumed>)        = 0
[pid  5846] close(3 <unfinished ...>
[pid  5845] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5835] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5846] <... close resumed>)        = 0
[pid  5845] exit_group(0 <unfinished ...>
[pid  5842] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5835] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5846] close(4 <unfinished ...>
[pid  5845] <... exit_group resumed>)   = ?
[pid  5838] <... umount2 resumed>)      = 0
[  108.288820][ T5845] loop4: detected capacity change from 0 to 32768
[  108.322457][ T5846] loop5: detected capacity change from 0 to 32768
[pid  5846] <... close resumed>)        = 0
[pid  5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5846] mkdir("./file0", 0777 <unfinished ...>
[pid  5842] exit_group(0 <unfinished ...>
[pid  5835] unlink("./0/binderfs" <unfinished ...>
[pid  5846] <... mkdir resumed>)        = 0
[pid  5845] +++ exited with 0 +++
[pid  5842] <... exit_group resumed>)   = ?
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5835] <... unlink resumed>)       = 0
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=27 /* 0.27 s */} ---
[pid  5838] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5835] getdents64(3,  <unfinished ...>
[pid  5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5846] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] <... getdents64 resumed>0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5837] <... umount2 resumed>)      = 0
[pid  5835] close(3 <unfinished ...>
[pid  5839] newfstatat(3, "",  <unfinished ...>
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5835] <... close resumed>)        = 0
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] rmdir("./0" <unfinished ...>
[pid  5839] getdents64(3,  <unfinished ...>
[pid  5838] <... openat resumed>)       = 4
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5835] <... rmdir resumed>)        = 0
[pid  5839] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5838] newfstatat(4, "",  <unfinished ...>
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] mkdir("./1", 0777 <unfinished ...>
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5835] <... mkdir resumed>)        = 0
[pid  5838] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5837] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5838] close(4)                    = 0
[pid  5837] <... openat resumed>)       = 4
[pid  5838] rmdir("./0/file0" <unfinished ...>
[pid  5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5838] <... rmdir resumed>)        = 0
[pid  5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] getdents64(4,  <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5838] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5842] +++ exited with 0 +++
[pid  5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] getdents64(4,  <unfinished ...>
[pid  5835] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] unlink("./0/binderfs" <unfinished ...>
[pid  5837] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5835] <... ioctl resumed>)        = 0
[pid  5838] <... unlink resumed>)       = 0
[pid  5837] close(4 <unfinished ...>
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=36 /* 0.36 s */} ---
[pid  5835] close(3 <unfinished ...>
[pid  5838] getdents64(3,  <unfinished ...>
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5846] <... mount resumed>)        = 0
[pid  5838] <... getdents64 resumed>0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5837] <... close resumed>)        = 0
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5835] <... close resumed>)        = 0
[pid  5837] rmdir("./0/file0" <unfinished ...>
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
 <unfinished ...>
[pid  5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5838] close(3 <unfinished ...>
[pid  5837] <... rmdir resumed>)        = 0
[pid  5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5838] rmdir("./0" <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5849] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5846] <... openat resumed>)       = 3
[pid  5838] <... rmdir resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5846] chdir("./file0" <unfinished ...>
[pid  5849] chdir("./1" <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5839] <... umount2 resumed>)      = 0
[pid  5838] mkdir("./1", 0777 <unfinished ...>
[pid  5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5835] <... clone resumed>, child_tidptr=0x555594d97650) = 5849
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] newfstatat(3, "",  <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5837] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5849] <... chdir resumed>)        = 0
[pid  5846] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5838] <... mkdir resumed>)        = 0
[pid  5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5846] exit_group(0 <unfinished ...>
[pid  5837] unlink("./0/binderfs" <unfinished ...>
[pid  5849] <... prctl resumed>)        = 0
[pid  5846] <... exit_group resumed>)   = ?
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] <... unlink resumed>)       = 0
[pid  5836] getdents64(3,  <unfinished ...>
[pid  5849] setpgid(0, 0)               = 0
[pid  5846] +++ exited with 0 +++
[pid  5839] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5836] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=32 /* 0.32 s */} ---
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5841] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... ioctl resumed>)        = 0
[pid  5837] <... getdents64 resumed>0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5841] <... restart_syscall resumed>) = 0
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] close(3 <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5849] <... openat resumed>)       = 3
[pid  5839] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5837] <... close resumed>)        = 0
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5837] rmdir("./0"./strace-static-x86_64: Process 5851 attached
 <unfinished ...>
[pid  5849] <... write resumed>)        = 4
[pid  5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] <... openat resumed>)       = 4
[pid  5837] <... rmdir resumed>)        = 0
[pid  5851] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5849] close(3 <unfinished ...>
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(4, "",  <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555594d97650) = 5851
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5851] chdir("./1" <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5851] <... chdir resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5841] newfstatat(3, "",  <unfinished ...>
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] mkdir("./1", 0777 <unfinished ...>
[pid  5851] <... prctl resumed>)        = 0
[pid  5849] <... symlink resumed>)      = 0
[pid  5841] getdents64(3,  <unfinished ...>
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] <... umount2 resumed>)      = 0
[pid  5851] setpgid(0, 0 <unfinished ...>
[pid  5841] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5851] <... setpgid resumed>)      = 0
[pid  5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] <... mkdir resumed>)        = 0
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5851] <... openat resumed>)       = 3
[pid  5839] getdents64(4,  <unfinished ...>
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5851] write(3, "1000", 4)         = 4
[pid  5849] <... write resumed>)        = 18
[pid  5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5851] close(3 <unfinished ...>
[pid  5849] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5851] <... close resumed>)        = 0
[pid  5837] <... openat resumed>)       = 3
[pid  5851] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5849] <... memfd_create resumed>) = 3
executing program
[pid  5851] write(1, "executing program\n", 18 <unfinished ...>
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5851] <... write resumed>)        = 18
[pid  5849] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5851] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5837] <... ioctl resumed>)        = 0
[pid  5851] <... memfd_create resumed>) = 3
[pid  5837] close(3 <unfinished ...>
[pid  5839] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] getdents64(4,  <unfinished ...>
[pid  5837] <... close resumed>)        = 0
[pid  5839] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5836] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5839] close(4 <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 5852 attached
[pid  5839] <... close resumed>)        = 0
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5839] rmdir("./0/file0" <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5852] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5851] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5839] <... rmdir resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] chdir("./1" <unfinished ...>
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] <... openat resumed>)       = 4
[pid  5852] <... chdir resumed>)        = 0
[pid  5839] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5836] newfstatat(4, "",  <unfinished ...>
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555594d97650) = 5852
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5852] <... prctl resumed>)        = 0
[pid  5839] unlink("./0/binderfs" <unfinished ...>
[pid  5836] getdents64(4,  <unfinished ...>
[pid  5852] setpgid(0, 0)               = 0
[pid  5839] <... unlink resumed>)       = 0
[pid  5836] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5839] getdents64(3,  <unfinished ...>
[pid  5852] <... openat resumed>)       = 3
[pid  5841] <... umount2 resumed>)      = 0
[pid  5839] <... getdents64 resumed>0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5836] getdents64(4,  <unfinished ...>
[pid  5852] write(3, "1000", 4 <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5836] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5852] <... write resumed>)        = 4
[pid  5839] <... close resumed>)        = 0
[pid  5836] close(4 <unfinished ...>
[pid  5852] close(3 <unfinished ...>
[pid  5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] rmdir("./0" <unfinished ...>
[pid  5836] <... close resumed>)        = 0
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5852] <... close resumed>)        = 0
[pid  5841] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5839] <... rmdir resumed>)        = 0
[pid  5836] rmdir("./0/file0" <unfinished ...>
[pid  5852] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] mkdir("./1", 0777 <unfinished ...>
[pid  5836] <... rmdir resumed>)        = 0
[pid  5852] <... symlink resumed>)      = 0
[pid  5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] <... mkdir resumed>)        = 0
[pid  5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5836] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5841] <... openat resumed>)       = 4
[pid  5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5841] newfstatat(4, "",  <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5836] unlink("./0/binderfs"executing program
 <unfinished ...>
[pid  5852] write(1, "executing program\n", 18 <unfinished ...>
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5839] <... openat resumed>)       = 3
[pid  5836] <... unlink resumed>)       = 0
[pid  5836] getdents64(3, 0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5836] close(3)                    = 0
[pid  5836] rmdir("./0" <unfinished ...>
[pid  5841] getdents64(4, 0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] <... rmdir resumed>)        = 0
[pid  5852] <... write resumed>)        = 18
[pid  5836] mkdir("./1", 0777)          = 0
[pid  5852] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5841] getdents64(4,  <unfinished ...>
[pid  5839] <... ioctl resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5841] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[pid  5839] close(3 <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5852] <... memfd_create resumed>) = 3
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5836] <... ioctl resumed>)        = 0
[pid  5852] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5836] close(3)                    = 0
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594d97650) = 5853
./strace-static-x86_64: Process 5853 attached
[pid  5853] set_robust_list(0x555594d97660, 24) = 0
[pid  5841] close(4 <unfinished ...>
[pid  5853] chdir("./1" <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5853] <... chdir resumed>)        = 0
[pid  5841] rmdir("./0/file0" <unfinished ...>
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] <... rmdir resumed>)        = 0
[pid  5853] setpgid(0, 0 <unfinished ...>
[pid  5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... setpgid resumed>)      = 0
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5841] unlink("./0/binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5853] write(3, "1000", 4 <unfinished ...>
[pid  5841] <... unlink resumed>)       = 0
[pid  5853] <... write resumed>)        = 4
[pid  5853] close(3)                    = 0
[pid  5853] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5853] write(1, "executing program\n", 18) = 18
[pid  5853] memfd_create("syzkaller", 0) = 3
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5841] getdents64(3, 0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5853] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5841] close(3)                    = 0
[pid  5841] rmdir("./0")                = 0
[pid  5841] mkdir("./1", 0777)          = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5841] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5841] close(3 <unfinished ...>
[pid  5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
, child_tidptr=0x555594d97650) = 5856
[pid  5856] set_robust_list(0x555594d97660, 24) = 0
[pid  5856] chdir("./1")                = 0
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] setpgid(0, 0)               = 0
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] <... close resumed>)        = 0
[pid  5856] write(3, "1000", 4 <unfinished ...>
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... write resumed>)        = 4
./strace-static-x86_64: Process 5857 attached
[pid  5856] close(3)                    = 0
[pid  5841] <... clone resumed>, child_tidptr=0x555594d97650) = 5857
[pid  5857] set_robust_list(0x555594d97660, 24 <unfinished ...>
[pid  5856] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5856] <... symlink resumed>)      = 0
[pid  5856] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5857] chdir("./1" <unfinished ...>
[pid  5856] <... write resumed>)        = 18
[pid  5857] <... chdir resumed>)        = 0
[pid  5856] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5857] setpgid(0, 0 <unfinished ...>
[pid  5856] <... memfd_create resumed>) = 3
[pid  5857] <... setpgid resumed>)      = 0
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... mmap resumed>)         = 0x7f78f9a00000
[pid  5857] <... openat resumed>)       = 3
[pid  5857] write(3, "1000", 4)         = 4
[pid  5857] close(3)                    = 0
[pid  5857] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5857] write(1, "executing program\n", 18executing program
) = 18
[pid  5857] memfd_create("syzkaller", 0) = 3
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[pid  5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5851] <... write resumed>)        = 16777216
[pid  5853] <... write resumed>)        = 16777216
[pid  5852] <... write resumed>)        = 16777216
[pid  5851] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5849] <... write resumed>)        = 16777216
[pid  5849] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5852] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5853] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5849] <... munmap resumed>)       = 0
[pid  5851] <... munmap resumed>)       = 0
[pid  5852] <... munmap resumed>)       = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5851] <... openat resumed>)       = 4
[pid  5851] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5849] <... openat resumed>)       = 4
[pid  5849] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] <... munmap resumed>)       = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5851] <... ioctl resumed>)        = 0
[pid  5849] <... ioctl resumed>)        = 0
[pid  5853] <... openat resumed>)       = 4
[pid  5852] <... openat resumed>)       = 4
[pid  5851] close(3 <unfinished ...>
[pid  5849] close(3 <unfinished ...>
[pid  5853] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5852] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5851] <... close resumed>)        = 0
[pid  5851] close(4)                    = 0
[pid  5849] <... close resumed>)        = 0
[pid  5851] mkdir("./file0", 0777 <unfinished ...>
[pid  5849] close(4)                    = 0
[pid  5851] <... mkdir resumed>)        = 0
[pid  5849] mkdir("./file0", 0777)      = 0
[pid  5851] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5853] <... ioctl resumed>)        = 0
[pid  5852] <... ioctl resumed>)        = 0
[pid  5849] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5853] close(3)                    = 0
[  110.019844][ T5851] loop3: detected capacity change from 0 to 32768
[  110.027644][ T5849] loop0: detected capacity change from 0 to 32768
[  110.049660][ T5852] loop2: detected capacity change from 0 to 32768
[  110.056769][ T5853] loop1: detected capacity change from 0 to 32768
[pid  5851] <... mount resumed>)        = 0
[pid  5853] close(4 <unfinished ...>
[pid  5852] close(3 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5852] <... close resumed>)        = 0
[pid  5851] <... openat resumed>)       = 3
[pid  5853] mkdir("./file0", 0777 <unfinished ...>
[pid  5852] close(4 <unfinished ...>
[pid  5851] chdir("./file0" <unfinished ...>
[pid  5852] <... close resumed>)        = 0
[pid  5851] <... chdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5852] mkdir("./file0", 0777 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5853] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5852] <... mkdir resumed>)        = 0
[pid  5852] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5851] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5849] <... mount resumed>)        = 0
[pid  5851] exit_group(0 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5851] <... exit_group resumed>)   = ?
[pid  5849] <... openat resumed>)       = 3
[pid  5851] +++ exited with 0 +++
[pid  5849] chdir("./file0")            = 0
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} ---
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5849] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5849] exit_group(0)               = ?
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] getdents64(3, 0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5852] <... mount resumed>)        = 0
[pid  5849] +++ exited with 0 +++
[pid  5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5852] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=32 /* 0.32 s */} ---
[pid  5853] <... openat resumed>)       = 3
[pid  5852] <... openat resumed>)       = 3
[pid  5835] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] chdir("./file0" <unfinished ...>
[pid  5852] chdir("./file0" <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5852] <... chdir resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5853] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5852] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5853] exit_group(0 <unfinished ...>
[pid  5852] exit_group(0 <unfinished ...>
[pid  5835] <... restart_syscall resumed>) = 0
[pid  5853] <... exit_group resumed>)   = ?
[pid  5852] <... exit_group resumed>)   = ?
[pid  5835] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5835] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5853] +++ exited with 0 +++
[pid  5852] +++ exited with 0 +++
[pid  5835] newfstatat(3, "",  <unfinished ...>
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=28 /* 0.28 s */} ---
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=23 /* 0.23 s */} ---
[pid  5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5835] getdents64(3, 0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5836] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5836] newfstatat(3, "",  <unfinished ...>
[pid  5838] <... umount2 resumed>)      = 0
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] getdents64(3, 0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] <... openat resumed>)       = 4
[pid  5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5838] newfstatat(4, "",  <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] newfstatat(3, "",  <unfinished ...>
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] <... getdents64 resumed>0x555594da0730 /* 2 entries */, 32768) = 48
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5837] <... getdents64 resumed>0x555594d986f0 /* 4 entries */, 32768) = 112
[pid  5838] <... getdents64 resumed>0x555594da0730 /* 0 entries */, 32768) = 0
[  110.200532][ T5837] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN NOPTI
[  110.212661][ T5837] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[  110.221099][ T5837] CPU: 0 UID: 0 PID: 5837 Comm: syz-executor416 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full) 
[  110.233546][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  110.243652][ T5837] RIP: 0010:write_special_inodes+0xa9/0x170
[pid  5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... write resumed>)        = 16777216
[  110.249611][ T5837] Code: 2e e8 4b c0 38 08 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 b1 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 8e 00 00 00 49 8b 7d 30 2e e8 13 c0 38 08 48 8d
[  110.269256][ T5837] RSP: 0018:ffffc9000436fbe8 EFLAGS: 00010216
[  110.275354][ T5837] RAX: 0000000000000006 RBX: ffff8880274cf200 RCX: ffffffff81f27bce
[  110.283340][ T5837] RDX: 0000000000000000 RSI: ffffffff81f27b81 RDI: 0000000000000030
[  110.291319][ T5837] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
[pid  5857] munmap(0x7f78f9a00000, 138412032) = 0
[  110.299319][ T5837] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81f34330
[  110.307313][ T5837] R13: 0000000000000000 R14: ffff88803574d000 R15: ffff888035682740
[  110.315311][ T5837] FS:  0000555594d97380(0000) GS:ffff888124759000(0000) knlGS:0000000000000000
[  110.324269][ T5837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.330883][ T5837] CR2: 00007f623181d000 CR3: 00000000741d1000 CR4: 0000000000350ef0
[  110.338876][ T5837] Call Trace:
[  110.342162][ T5837]  <TASK>
[  110.345099][ T5837]  lmLogSync+0x49e/0x820
[  110.349367][ T5837]  ? srso_alias_return_thunk+0x5/0xfbef5
[  110.355030][ T5837]  ? _raw_spin_unlock_irq+0x2e/0x50
[  110.360277][ T5837]  ? __pfx_lmLogSync+0x10/0x10
[  110.365073][ T5837]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[  110.370995][ T5837]  jfs_syncpt+0x89/0xa0
[  110.375173][ T5837]  jfs_sync_fs+0x83/0xb0
[  110.379449][ T5837]  ? __pfx_jfs_sync_fs+0x10/0x10
[  110.384419][ T5837]  sync_filesystem+0x111/0x290
[  110.389212][ T5837]  generic_shutdown_super+0x74/0x390
[  110.394535][ T5837]  kill_block_super+0x3b/0x90
[  110.399250][ T5837]  deactivate_locked_super+0xc1/0x1a0
[  110.404647][ T5837]  deactivate_super+0xde/0x100
[  110.409429][ T5837]  cleanup_mnt+0x225/0x450
[  110.413879][ T5837]  task_work_run+0x150/0x240
[  110.418490][ T5837]  ? __pfx_task_work_run+0x10/0x10
[  110.423649][ T5837]  ? srso_alias_return_thunk+0x5/0xfbef5
[  110.429309][ T5837]  ? __x64_sys_umount+0x124/0x1a0
[  110.434361][ T5837]  ptrace_notify+0x10e/0x130
[  110.438979][ T5837]  syscall_exit_work+0x17c/0x1e0
[  110.443941][ T5837]  do_syscall_64+0x3e6/0x4c0
[  110.448573][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  110.454500][ T5837] RIP: 0033:0x7f7901e854f7
[  110.458936][ T5837] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[  110.478597][ T5837] RSP: 002b:00007ffd17ec2968 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  110.487037][ T5837] RAX: 0000000000000000 RBX: 000000000001a7a5 RCX: 00007f7901e854f7
[pid  5838] close(4)                    = 0
[pid  5838] rmdir("./1/file0")          = 0
[pid  5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] unlink("./1/binderfs")      = 0
[pid  5838] getdents64(3, 0x555594d986f0 /* 0 entries */, 32768) = 0
[pid  5838] close(3)                    = 0
[pid  5838] rmdir("./1")                = 0
[pid  5838] mkdir("./2", 0777)          = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5838] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5838] close(3)                    = 0
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid  5856] <... write resumed>)        = 16777216
[  110.495030][ T5837] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd17ec2a20
[  110.503028][ T5837] RBP: 00007ffd17ec2a20 R08: 0000000000000000 R09: 0000000000000000
[  110.511015][ T5837] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd17ec3a90
[  110.519001][ T5837] R13: 0000555594d986c0 R14: 0000000000000002 R15: 431bde82d7b634db
[  110.527085][ T5837]  </TASK>
[  110.530108][ T5837] Modules linked in:
[  110.534349][ T5837] ---[ end trace 0000000000000000 ]---
[pid  5857] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5856] munmap(0x7f78f9a00000, 138412032 <unfinished ...>
[pid  5857] <... ioctl resumed>)        = 0
[pid  5856] <... munmap resumed>)       = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[  110.579510][ T5857] loop5: detected capacity change from 0 to 32768
[pid  5857] close(3)                    = 0
[pid  5856] <... openat resumed>)       = 4
[pid  5856] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5857] close(4 <unfinished ...>
[pid  5856] <... ioctl resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5857] mkdir("./file0", 0777 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5857] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5856] close(4)                    = 0
[pid  5856] mkdir("./file0", 0777)      = 0
[  110.633369][ T5856] loop4: detected capacity change from 0 to 32768
[pid  5856] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID, "quota,noquota,grpquota,quota,errors=remount-ro,nointegrity," <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555594d97650) = 5858
./strace-static-x86_64: Process 5858 attached
[pid  5858] set_robust_list(0x555594d97660, 24) = 0
[pid  5858] chdir("./2")                = 0
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5858] setpgid(0, 0)               = 0
[pid  5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5858] write(3, "1000", 4)         = 4
[pid  5858] close(3)                    = 0
[pid  5858] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5858] write(1, "executing program\n", 18) = 18
[pid  5858] memfd_create("syzkaller", 0) = 3
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78f9a00000
[  110.737747][ T5837] RIP: 0010:write_special_inodes+0xa9/0x170
[  110.772124][ T5837] Code: 2e e8 4b c0 38 08 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 b1 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 8e 00 00 00 49 8b 7d 30 2e e8 13 c0 38 08 48 8d
[  110.806180][ T5837] RSP: 0018:ffffc9000436fbe8 EFLAGS: 00010216
[  110.812408][ T5837] RAX: 0000000000000006 RBX: ffff8880274cf200 RCX: ffffffff81f27bce
[  110.821314][ T5837] RDX: 0000000000000000 RSI: ffffffff81f27b81 RDI: 0000000000000030
[  110.829520][ T5837] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
[  110.837853][ T5837] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81f34330
[  110.847029][ T5837] R13: 0000000000000000 R14: ffff88803574d000 R15: ffff888035682740
[  110.855308][ T5837] FS:  0000555594d97380(0000) GS:ffff888124859000(0000) knlGS:0000000000000000
[  110.864461][ T5837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.871361][ T5837] CR2: 00007f6231842000 CR3: 00000000741d1000 CR4: 0000000000350ef0
[  110.879534][ T5837] Kernel panic - not syncing: Fatal exception
[  110.885855][ T5837] Kernel Offset: disabled
[  110.890203][ T5837] Rebooting in 86400 seconds..