./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3778784744

<...>
Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts.
execve("./syz-executor3778784744", ["./syz-executor3778784744"], 0x7ffff3b19c20 /* 10 vars */) = 0
brk(NULL)                               = 0x55558d97c000
brk(0x55558d97cd00)                     = 0x55558d97cd00
arch_prctl(ARCH_SET_FS, 0x55558d97c380) = 0
set_tid_address(0x55558d97c650)         = 5087
set_robust_list(0x55558d97c660, 24)     = 0
rseq(0x55558d97cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3778784744", 4096) = 28
getrandom("\x1d\xfb\x5a\x27\x59\x4e\x26\x71", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558d97cd00
brk(0x55558d99dd00)                     = 0x55558d99dd00
brk(0x55558d99e000)                     = 0x55558d99e000
mprotect(0x7f0368213000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
 <unfinished ...>
[pid  5088] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5088
[pid  5088] <... set_robust_list resumed>) = 0
[pid  5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5088] mkdir("./syzkaller.8iyDxs", 0700./strace-static-x86_64: Process 5089 attached
 <unfinished ...>
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5089
[pid  5088] <... mkdir resumed>)        = 0
[pid  5089] set_robust_list(0x55558d97c660, 24) = 0
[pid  5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5088] chmod("./syzkaller.8iyDxs", 0777 <unfinished ...>
[pid  5089] mkdir("./syzkaller.sB0Fqm", 0700) = 0
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5090
[pid  5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5089] chmod("./syzkaller.sB0Fqm", 0777./strace-static-x86_64: Process 5090 attached
 <unfinished ...>
[pid  5088] <... chmod resumed>)        = 0
[pid  5090] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5089] <... chmod resumed>)        = 0
[pid  5088] chdir("./syzkaller.8iyDxs" <unfinished ...>
[pid  5090] <... set_robust_list resumed>) = 0
[pid  5089] chdir("./syzkaller.sB0Fqm" <unfinished ...>
[pid  5088] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 5091 attached
[pid  5090] mkdir("./syzkaller.XxN0k6", 0700 <unfinished ...>
[pid  5089] <... chdir resumed>)        = 0
[pid  5089] mkdir("./0", 0777 <unfinished ...>
[pid  5088] mkdir("./0", 0777 <unfinished ...>
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5091
[pid  5091] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5090] <... mkdir resumed>)        = 0
[pid  5088] <... mkdir resumed>)        = 0
[pid  5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5091] <... set_robust_list resumed>) = 0
[pid  5090] chmod("./syzkaller.XxN0k6", 0777 <unfinished ...>
[pid  5089] <... mkdir resumed>)        = 0
[pid  5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5091] mkdir("./syzkaller.iR1hSs", 0700 <unfinished ...>
[pid  5090] <... chmod resumed>)        = 0
[pid  5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5088] <... openat resumed>)       = 3
[pid  5090] chdir("./syzkaller.XxN0k6"./strace-static-x86_64: Process 5092 attached
 <unfinished ...>
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5092
[pid  5091] <... mkdir resumed>)        = 0
[pid  5090] <... chdir resumed>)        = 0
[pid  5089] <... openat resumed>)       = 3
[pid  5088] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5092] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5091] chmod("./syzkaller.iR1hSs", 0777 <unfinished ...>
[pid  5090] mkdir("./0", 0777 <unfinished ...>
[pid  5091] <... chmod resumed>)        = 0
[pid  5092] <... set_robust_list resumed>) = 0
[pid  5091] chdir("./syzkaller.iR1hSs" <unfinished ...>
[pid  5088] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5091] <... chdir resumed>)        = 0
[pid  5091] mkdir("./0", 0777)          = 0
[pid  5090] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5093 attached
[pid  5092] mkdir("./syzkaller.OtsgzA", 0700 <unfinished ...>
[pid  5091] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5090] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5089] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5088] close(3 <unfinished ...>
[pid  5087] <... clone resumed>, child_tidptr=0x55558d97c650) = 5093
[pid  5093] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5091] <... openat resumed>)       = 3
[pid  5090] <... openat resumed>)       = 3
[pid  5089] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5091] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5093] <... set_robust_list resumed>) = 0
[pid  5092] <... mkdir resumed>)        = 0
[pid  5090] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5089] close(3 <unfinished ...>
[pid  5088] <... close resumed>)        = 0
[pid  5091] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5093] getrandom( <unfinished ...>
[pid  5092] chmod("./syzkaller.OtsgzA", 0777 <unfinished ...>
[pid  5090] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5089] <... close resumed>)        = 0
[pid  5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5092] <... chmod resumed>)        = 0
[pid  5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
 <unfinished ...>
[pid  5093] <... getrandom resumed>"\x07\x6f\xb7\x4d\xda\xaa\x74\x9f", 8, GRND_NONBLOCK) = 8
[pid  5091] close(3 <unfinished ...>
[pid  5090] close(3 <unfinished ...>
[pid  5093] mkdir("./syzkaller.hoD5Fe", 0700 <unfinished ...>
[pid  5092] chdir("./syzkaller.OtsgzA" <unfinished ...>
[pid  5091] <... close resumed>)        = 0
[pid  5090] <... close resumed>)        = 0
[pid  5092] <... chdir resumed>)        = 0
[pid  5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5095] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5093] <... mkdir resumed>)        = 0
[pid  5092] mkdir("./0", 0777 <unfinished ...>
[pid  5088] <... clone resumed>, child_tidptr=0x55558d97c650) = 5095
./strace-static-x86_64: Process 5096 attached
./strace-static-x86_64: Process 5097 attached
./strace-static-x86_64: Process 5094 attached
[pid  5095] <... set_robust_list resumed>) = 0
[pid  5093] chmod("./syzkaller.hoD5Fe", 0777 <unfinished ...>
[pid  5092] <... mkdir resumed>)        = 0
[pid  5096] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5097] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5094] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5095] chdir("./0" <unfinished ...>
[pid  5096] <... set_robust_list resumed>) = 0
[pid  5097] <... set_robust_list resumed>) = 0
[pid  5094] <... set_robust_list resumed>) = 0
[pid  5095] <... chdir resumed>)        = 0
[pid  5093] <... chmod resumed>)        = 0
[pid  5091] <... clone resumed>, child_tidptr=0x55558d97c650) = 5096
[pid  5090] <... clone resumed>, child_tidptr=0x55558d97c650) = 5097
[pid  5089] <... clone resumed>, child_tidptr=0x55558d97c650) = 5094
[pid  5096] chdir("./0" <unfinished ...>
[pid  5097] chdir("./0" <unfinished ...>
[pid  5094] chdir("./0" <unfinished ...>
[pid  5096] <... chdir resumed>)        = 0
[pid  5097] <... chdir resumed>)        = 0
[pid  5094] <... chdir resumed>)        = 0
[pid  5095] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5093] chdir("./syzkaller.hoD5Fe" <unfinished ...>
[pid  5096] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5095] <... prctl resumed>)        = 0
[pid  5096] <... prctl resumed>)        = 0
[pid  5097] <... prctl resumed>)        = 0
[pid  5094] <... prctl resumed>)        = 0
[pid  5095] setpgid(0, 0 <unfinished ...>
[pid  5093] <... chdir resumed>)        = 0
[pid  5096] setpgid(0, 0 <unfinished ...>
[pid  5097] setpgid(0, 0 <unfinished ...>
[pid  5094] setpgid(0, 0 <unfinished ...>
[pid  5095] <... setpgid resumed>)      = 0
[pid  5093] mkdir("./0", 0777 <unfinished ...>
[pid  5092] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5094] <... setpgid resumed>)      = 0
[pid  5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5096] <... setpgid resumed>)      = 0
[pid  5097] <... setpgid resumed>)      = 0
[pid  5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5093] <... mkdir resumed>)        = 0
[pid  5092] <... openat resumed>)       = 3
[pid  5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5095] <... openat resumed>)       = 3
[pid  5092] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5096] <... openat resumed>)       = 3
[pid  5097] <... openat resumed>)       = 3
[pid  5092] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5092] close(3 <unfinished ...>
[pid  5095] write(3, "1000", 4 <unfinished ...>
[pid  5092] <... close resumed>)        = 0
[pid  5096] write(3, "1000", 4 <unfinished ...>
[pid  5097] write(3, "1000", 4 <unfinished ...>
[pid  5095] <... write resumed>)        = 4
[pid  5093] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5096] <... write resumed>)        = 4
[pid  5097] <... write resumed>)        = 4
[pid  5094] <... openat resumed>)       = 3
[pid  5095] close(3 <unfinished ...>
[pid  5093] <... openat resumed>)       = 3
[pid  5096] close(3 <unfinished ...>
[pid  5097] close(3 <unfinished ...>
[pid  5095] <... close resumed>)        = 0
[pid  5094] write(3, "1000", 4 <unfinished ...>
[pid  5095] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5096] <... close resumed>)        = 0
[pid  5097] <... close resumed>)        = 0
[pid  5094] <... write resumed>)        = 4
[pid  5096] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5097] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5094] close(3 <unfinished ...>
[pid  5095] <... symlink resumed>)      = 0
[pid  5093] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5098 attached
 <unfinished ...>
[pid  5096] <... symlink resumed>)      = 0
[pid  5097] <... symlink resumed>)      = 0
[pid  5094] <... close resumed>)        = 0
[pid  5095] memfd_create("syzkaller", 0) = 3
[pid  5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5098] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5096] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5097] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5094] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5093] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5092] <... clone resumed>, child_tidptr=0x55558d97c650) = 5098
[pid  5098] <... set_robust_list resumed>) = 0
[pid  5096] <... memfd_create resumed>) = 3
[pid  5095] <... mmap resumed>)         = 0x7f035fc00000
[pid  5093] close(3 <unfinished ...>
[pid  5098] chdir("./0" <unfinished ...>
[pid  5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5097] <... memfd_create resumed>) = 3
[pid  5094] <... symlink resumed>)      = 0
[pid  5093] <... close resumed>)        = 0
[pid  5098] <... chdir resumed>)        = 0
[pid  5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5098] setpgid(0, 0 <unfinished ...>
[pid  5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5098] <... setpgid resumed>)      = 0
[pid  5094] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5096] <... mmap resumed>)         = 0x7f035fc00000
[pid  5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5094] <... memfd_create resumed>) = 3
[pid  5093] <... clone resumed>, child_tidptr=0x55558d97c650) = 5099
[pid  5098] <... openat resumed>)       = 3
[pid  5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5098] write(3, "1000", 4 <unfinished ...>
[pid  5094] <... mmap resumed>)         = 0x7f035fc00000
[pid  5098] <... write resumed>)        = 4
[pid  5098] close(3./strace-static-x86_64: Process 5099 attached
 <unfinished ...>
[pid  5099] set_robust_list(0x55558d97c660, 24) = 0
[pid  5099] chdir("./0" <unfinished ...>
[pid  5098] <... close resumed>)        = 0
[pid  5098] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5099] <... chdir resumed>)        = 0
[pid  5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5099] setpgid(0, 0 <unfinished ...>
[pid  5098] <... symlink resumed>)      = 0
[pid  5099] <... setpgid resumed>)      = 0
[pid  5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5098] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5099] <... openat resumed>)       = 3
[pid  5099] write(3, "1000", 4)         = 4
[pid  5099] close(3 <unfinished ...>
[pid  5098] <... memfd_create resumed>) = 3
[pid  5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5099] <... close resumed>)        = 0
[pid  5098] <... mmap resumed>)         = 0x7f035fc00000
[pid  5099] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5099] memfd_create("syzkaller", 0) = 3
[pid  5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5094] <... write resumed>)        = 16777216
[pid  5098] <... write resumed>)        = 16777216
[pid  5094] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5095] <... write resumed>)        = 16777216
[pid  5098] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5095] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5094] <... munmap resumed>)       = 0
[pid  5095] <... munmap resumed>)       = 0
[pid  5094] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5098] <... munmap resumed>)       = 0
[pid  5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5098] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5094] <... openat resumed>)       = 4
[pid  5095] <... openat resumed>)       = 4
[pid  5098] <... openat resumed>)       = 4
[pid  5094] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5095] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5098] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5095] <... ioctl resumed>)        = 0
[pid  5095] close(3 <unfinished ...>
[pid  5098] <... ioctl resumed>)        = 0
[pid  5098] close(3)                    = 0
[pid  5094] <... ioctl resumed>)        = 0
[pid  5098] close(4 <unfinished ...>
[pid  5095] <... close resumed>)        = 0
[pid  5098] <... close resumed>)        = 0
[pid  5094] close(3)                    = 0
[pid  5094] close(4)                    = 0
[pid  5094] mkdir("./file0", 0777 <unfinished ...>
[pid  5098] mkdir("./file0", 0777 <unfinished ...>
[pid  5096] <... write resumed>)        = 16777216
[pid  5094] <... mkdir resumed>)        = 0
[pid  5095] close(4)                    = 0
[  110.051151][ T5098] loop4: detected capacity change from 0 to 32768
[  110.060579][ T5095] loop0: detected capacity change from 0 to 32768
[  110.069662][ T5094] loop1: detected capacity change from 0 to 32768
[pid  5094] mount("/dev/loop1", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5098] <... mkdir resumed>)        = 0
[pid  5095] mkdir("./file0", 0777 <unfinished ...>
[pid  5097] <... write resumed>)        = 16777216
[pid  5098] mount("/dev/loop4", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5096] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5095] <... mkdir resumed>)        = 0
[pid  5097] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5095] mount("/dev/loop0", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5099] <... write resumed>)        = 16777216
[pid  5094] <... mount resumed>)        = 0
[pid  5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5095] <... mount resumed>)        = 0
[pid  5094] chdir("./file0" <unfinished ...>
[pid  5095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5094] <... chdir resumed>)        = 0
[pid  5094] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5098] <... mount resumed>)        = 0
[pid  5094] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5095] <... openat resumed>)       = 3
[pid  5094] exit_group(0)               = ?
[pid  5095] chdir("./file0" <unfinished ...>
[pid  5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5094] +++ exited with 0 +++
[pid  5095] <... chdir resumed>)        = 0
[pid  5098] chdir("./file0" <unfinished ...>
[pid  5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5099] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5098] <... chdir resumed>)        = 0
[pid  5095] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=39 /* 0.39 s */} ---
[pid  5098] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5096] <... munmap resumed>)       = 0
[pid  5095] exit_group(0 <unfinished ...>
[pid  5098] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5095] <... exit_group resumed>)   = ?
[pid  5089] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5089] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5095] +++ exited with 0 +++
[pid  5089] <... openat resumed>)       = 3
[pid  5089] newfstatat(3, "",  <unfinished ...>
[pid  5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=41 /* 0.41 s */} ---
[pid  5098] exit_group(0 <unfinished ...>
[pid  5089] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5088] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5089] getdents64(3,  <unfinished ...>
[pid  5088] <... restart_syscall resumed>) = 0
[pid  5089] <... getdents64 resumed>0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5088] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5088] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5089] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] unlink("./0/binderfs" <unfinished ...>
[pid  5088] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5098] <... exit_group resumed>)   = ?
[pid  5096] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5097] <... munmap resumed>)       = 0
[pid  5089] <... unlink resumed>)       = 0
[pid  5088] <... openat resumed>)       = 3
[pid  5097] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5089] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5088] newfstatat(3, "",  <unfinished ...>
[pid  5097] <... openat resumed>)       = 4
[pid  5088] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5097] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5096] <... openat resumed>)       = 4
[pid  5088] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5088] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5088] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5088] unlink("./0/binderfs")      = 0
[pid  5088] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5096] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5098] +++ exited with 0 +++
[pid  5096] <... ioctl resumed>)        = 0
[pid  5099] <... munmap resumed>)       = 0
[pid  5096] close(3 <unfinished ...>
[pid  5097] <... ioctl resumed>)        = 0
[pid  5092] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} ---
[pid  5099] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5096] <... close resumed>)        = 0
[pid  5097] close(3 <unfinished ...>
[pid  5096] close(4 <unfinished ...>
[pid  5097] <... close resumed>)        = 0
[pid  5099] <... openat resumed>)       = 4
[pid  5096] <... close resumed>)        = 0
[pid  5097] close(4 <unfinished ...>
[pid  5096] mkdir("./file0", 0777 <unfinished ...>
[pid  5097] <... close resumed>)        = 0
[pid  5096] <... mkdir resumed>)        = 0
[pid  5097] mkdir("./file0", 0777 <unfinished ...>
[pid  5092] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5097] <... mkdir resumed>)        = 0
[  110.256374][ T5097] loop2: detected capacity change from 0 to 32768
[  110.268148][ T5096] loop3: detected capacity change from 0 to 32768
[pid  5092] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5099] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5092] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5089] <... umount2 resumed>)      = 0
[pid  5092] <... openat resumed>)       = 3
[pid  5088] <... umount2 resumed>)      = 0
[pid  5096] mount("/dev/loop3", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5097] mount("/dev/loop2", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5092] newfstatat(3, "",  <unfinished ...>
[pid  5088] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5088] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5092] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5089] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5099] <... ioctl resumed>)        = 0
[pid  5092] getdents64(3,  <unfinished ...>
[pid  5089] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5088] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5099] close(3 <unfinished ...>
[pid  5092] <... getdents64 resumed>0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5088] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5099] <... close resumed>)        = 0
[pid  5092] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5088] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5099] close(4 <unfinished ...>
[pid  5092] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5099] <... close resumed>)        = 0
[pid  5092] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5088] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5099] mkdir("./file0", 0777 <unfinished ...>
[pid  5092] unlink("./0/binderfs" <unfinished ...>
[pid  5089] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5088] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5089] <... openat resumed>)       = 4
[pid  5088] <... openat resumed>)       = 4
[pid  5099] <... mkdir resumed>)        = 0
[pid  5099] mount("/dev/loop5", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5092] <... unlink resumed>)       = 0
[pid  5089] newfstatat(4, "",  <unfinished ...>
[pid  5088] newfstatat(4, "",  <unfinished ...>
[pid  5096] <... mount resumed>)        = 0
[pid  5092] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5088] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5089] getdents64(4, 0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5088] getdents64(4, 0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5089] getdents64(4,  <unfinished ...>
[pid  5088] getdents64(4,  <unfinished ...>
[pid  5096] <... openat resumed>)       = 3
[  110.313734][ T5099] loop5: detected capacity change from 0 to 32768
[pid  5096] chdir("./file0" <unfinished ...>
[pid  5097] <... mount resumed>)        = 0
[pid  5088] <... getdents64 resumed>0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5096] <... chdir resumed>)        = 0
[pid  5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5089] <... getdents64 resumed>0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5088] close(4 <unfinished ...>
[pid  5089] close(4 <unfinished ...>
[pid  5088] <... close resumed>)        = 0
[pid  5097] <... openat resumed>)       = 3
[pid  5096] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5089] <... close resumed>)        = 0
[pid  5088] rmdir("./0/file0" <unfinished ...>
[pid  5096] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5097] chdir("./file0" <unfinished ...>
[pid  5089] rmdir("./0/file0" <unfinished ...>
[pid  5088] <... rmdir resumed>)        = 0
[pid  5096] exit_group(0 <unfinished ...>
[pid  5097] <... chdir resumed>)        = 0
[pid  5089] <... rmdir resumed>)        = 0
[pid  5096] <... exit_group resumed>)   = ?
[pid  5097] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5089] getdents64(3, 0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5088] getdents64(3,  <unfinished ...>
[pid  5097] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5089] close(3 <unfinished ...>
[pid  5088] <... getdents64 resumed>0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5089] <... close resumed>)        = 0
[pid  5088] close(3 <unfinished ...>
[pid  5089] rmdir("./0" <unfinished ...>
[pid  5088] <... close resumed>)        = 0
[pid  5096] +++ exited with 0 +++
[pid  5089] <... rmdir resumed>)        = 0
[pid  5088] rmdir("./0" <unfinished ...>
[pid  5097] exit_group(0 <unfinished ...>
[pid  5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=41 /* 0.41 s */} ---
[pid  5088] <... rmdir resumed>)        = 0
[pid  5097] <... exit_group resumed>)   = ?
[pid  5089] mkdir("./1", 0777 <unfinished ...>
[pid  5088] mkdir("./1", 0777 <unfinished ...>
[pid  5091] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] <... mkdir resumed>)        = 0
[pid  5088] <... mkdir resumed>)        = 0
[pid  5091] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5091] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5091] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5091] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] <... openat resumed>)       = 3
[pid  5088] <... openat resumed>)       = 3
[pid  5091] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5089] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5088] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5091] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5089] <... ioctl resumed>)        = 0
[pid  5091] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] close(3 <unfinished ...>
[pid  5091] unlink("./0/binderfs")      = 0
[pid  5089] <... close resumed>)        = 0
[pid  5097] +++ exited with 0 +++
[pid  5099] <... mount resumed>)        = 0
[pid  5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5091] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5099] <... openat resumed>)       = 3
[pid  5090] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=52 /* 0.52 s */} ---
[pid  5099] chdir("./file0" <unfinished ...>
[pid  5090] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5099] <... chdir resumed>)        = 0
[pid  5090] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5099] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5090] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5099] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5092] <... umount2 resumed>)      = 0
[pid  5090] <... openat resumed>)       = 3
[pid  5090] newfstatat(3, "",  <unfinished ...>
[pid  5099] exit_group(0 <unfinished ...>
[pid  5090] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5090] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] <... clone resumed>, child_tidptr=0x55558d97c650) = 5102
./strace-static-x86_64: Process 5102 attached
[pid  5099] <... exit_group resumed>)   = ?
[pid  5092] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5090] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5102] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5090] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5102] <... set_robust_list resumed>) = 0
[pid  5102] chdir("./1")                = 0
[pid  5099] +++ exited with 0 +++
[pid  5092] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5091] <... umount2 resumed>)      = 0
[pid  5090] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5092] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5091] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5093] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=51 /* 0.51 s */} ---
[pid  5092] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5091] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5090] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5102] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5093] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5102] <... prctl resumed>)        = 0
[pid  5093] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5093] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5092] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5091] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5090] unlink("./0/binderfs" <unfinished ...>
[pid  5093] <... openat resumed>)       = 3
[pid  5092] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5091] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5090] <... unlink resumed>)       = 0
[pid  5093] newfstatat(3, "",  <unfinished ...>
[pid  5092] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5091] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5090] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5102] setpgid(0, 0 <unfinished ...>
[pid  5093] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5092] <... openat resumed>)       = 4
[pid  5091] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5102] <... setpgid resumed>)      = 0
[pid  5093] getdents64(3,  <unfinished ...>
[pid  5092] newfstatat(4, "",  <unfinished ...>
[pid  5091] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5093] <... getdents64 resumed>0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5092] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5091] <... openat resumed>)       = 4
[pid  5093] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5092] getdents64(4,  <unfinished ...>
[pid  5091] newfstatat(4, "",  <unfinished ...>
[pid  5093] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5102] <... openat resumed>)       = 3
[pid  5092] <... getdents64 resumed>0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5091] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5102] write(3, "1000", 4 <unfinished ...>
[pid  5093] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5092] getdents64(4,  <unfinished ...>
[pid  5091] getdents64(4,  <unfinished ...>
[pid  5102] <... write resumed>)        = 4
[pid  5093] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5092] <... getdents64 resumed>0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5091] <... getdents64 resumed>0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5102] close(3 <unfinished ...>
[pid  5093] unlink("./0/binderfs" <unfinished ...>
[pid  5102] <... close resumed>)        = 0
[pid  5093] <... unlink resumed>)       = 0
[pid  5102] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5093] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5102] <... symlink resumed>)      = 0
[pid  5092] close(4 <unfinished ...>
[pid  5091] getdents64(4,  <unfinished ...>
[pid  5090] <... umount2 resumed>)      = 0
[pid  5092] <... close resumed>)        = 0
[pid  5091] <... getdents64 resumed>0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5092] rmdir("./0/file0" <unfinished ...>
[pid  5090] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5091] close(4 <unfinished ...>
[pid  5102] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5092] <... rmdir resumed>)        = 0
[pid  5091] <... close resumed>)        = 0
[pid  5091] rmdir("./0/file0" <unfinished ...>
[pid  5090] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5092] getdents64(3,  <unfinished ...>
[pid  5102] <... memfd_create resumed>) = 3
[pid  5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5092] <... getdents64 resumed>0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5091] <... rmdir resumed>)        = 0
[pid  5090] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5092] close(3 <unfinished ...>
[pid  5090] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5092] <... close resumed>)        = 0
[pid  5090] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5091] getdents64(3,  <unfinished ...>
[pid  5092] rmdir("./0")                = 0
[pid  5091] <... getdents64 resumed>0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5090] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5092] mkdir("./1", 0777 <unfinished ...>
[pid  5091] close(3 <unfinished ...>
[pid  5090] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5092] <... mkdir resumed>)        = 0
[pid  5091] <... close resumed>)        = 0
[pid  5090] <... openat resumed>)       = 4
[pid  5091] rmdir("./0" <unfinished ...>
[pid  5090] newfstatat(4, "",  <unfinished ...>
[pid  5091] <... rmdir resumed>)        = 0
[pid  5090] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5093] <... umount2 resumed>)      = 0
[pid  5092] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5091] mkdir("./1", 0777 <unfinished ...>
[pid  5090] getdents64(4, 0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5091] <... mkdir resumed>)        = 0
[pid  5092] <... openat resumed>)       = 3
[pid  5090] getdents64(4, 0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5092] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5093] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5091] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5090] close(4 <unfinished ...>
[pid  5093] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5090] <... close resumed>)        = 0
[pid  5093] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5091] <... openat resumed>)       = 3
[pid  5090] rmdir("./0/file0")          = 0
[pid  5093] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5091] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5090] getdents64(3,  <unfinished ...>
[pid  5093] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5090] <... getdents64 resumed>0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5093] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5090] close(3 <unfinished ...>
[pid  5093] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5090] <... close resumed>)        = 0
[pid  5090] rmdir("./0" <unfinished ...>
[pid  5093] <... openat resumed>)       = 4
[pid  5090] <... rmdir resumed>)        = 0
[pid  5093] newfstatat(4, "",  <unfinished ...>
[pid  5090] mkdir("./1", 0777)          = 0
[pid  5093] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5090] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5093] getdents64(4, 0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5093] getdents64(4, 0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5090] <... openat resumed>)       = 3
[pid  5093] close(4 <unfinished ...>
[pid  5090] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5093] <... close resumed>)        = 0
[pid  5093] rmdir("./0/file0")          = 0
[pid  5093] getdents64(3, 0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5093] close(3)                    = 0
[pid  5093] rmdir("./0")                = 0
[pid  5093] mkdir("./1", 0777)          = 0
[pid  5093] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5093] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5093] close(3)                    = 0
[pid  5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558d97c650) = 5105
./strace-static-x86_64: Process 5105 attached
[pid  5105] set_robust_list(0x55558d97c660, 24) = 0
[pid  5105] chdir("./1")                = 0
[pid  5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5105] setpgid(0, 0)               = 0
[pid  5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5105] write(3, "1000", 4)         = 4
[pid  5105] close(3)                    = 0
[pid  5105] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5105] memfd_create("syzkaller", 0) = 3
[pid  5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5088] <... ioctl resumed>)        = 0
[pid  5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5088] close(3)                    = 0
[pid  5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558d97c650) = 5107
./strace-static-x86_64: Process 5107 attached
[pid  5107] set_robust_list(0x55558d97c660, 24) = 0
[pid  5107] chdir("./1")                = 0
[pid  5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5107] setpgid(0, 0)               = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5107] write(3, "1000", 4)         = 4
[pid  5107] close(3)                    = 0
[pid  5107] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5107] memfd_create("syzkaller", 0) = 3
[pid  5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5092] <... ioctl resumed>)        = 0
[pid  5092] close(3)                    = 0
[pid  5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5090] <... ioctl resumed>)        = 0
[pid  5090] close(3)                    = 0
[pid  5091] <... ioctl resumed>)        = 0
[pid  5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5091] close(3)                    = 0
[pid  5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
 <unfinished ...>
[pid  5092] <... clone resumed>, child_tidptr=0x55558d97c650) = 5108
./strace-static-x86_64: Process 5108 attached
[pid  5110] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5108] set_robust_list(0x55558d97c660, 24 <unfinished ...>
[pid  5091] <... clone resumed>, child_tidptr=0x55558d97c650) = 5110
[pid  5108] <... set_robust_list resumed>) = 0
[pid  5108] chdir("./1" <unfinished ...>
[pid  5090] <... clone resumed>, child_tidptr=0x55558d97c650) = 5109
[pid  5110] <... set_robust_list resumed>) = 0
[pid  5108] <... chdir resumed>)        = 0
[pid  5110] chdir("./1" <unfinished ...>
[pid  5108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5110] <... chdir resumed>)        = 0
[pid  5108] <... prctl resumed>)        = 0
[pid  5108] setpgid(0, 0 <unfinished ...>
[pid  5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5108] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 5109 attached
[pid  5109] set_robust_list(0x55558d97c660, 24) = 0
[pid  5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5110] setpgid(0, 0 <unfinished ...>
[pid  5109] chdir("./1")                = 0
[pid  5110] <... setpgid resumed>)      = 0
[pid  5108] <... openat resumed>)       = 3
[pid  5109] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5108] write(3, "1000", 4 <unfinished ...>
[pid  5109] <... prctl resumed>)        = 0
[pid  5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5108] <... write resumed>)        = 4
[pid  5109] setpgid(0, 0)               = 0
[pid  5108] close(3)                    = 0
[pid  5108] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5110] <... openat resumed>)       = 3
[pid  5109] <... openat resumed>)       = 3
[pid  5110] write(3, "1000", 4)         = 4
[pid  5110] close(3)                    = 0
[pid  5110] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5109] write(3, "1000", 4 <unfinished ...>
[pid  5108] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5110] <... symlink resumed>)      = 0
[pid  5109] <... write resumed>)        = 4
[pid  5108] <... memfd_create resumed>) = 3
[pid  5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5109] close(3)                    = 0
[pid  5110] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5108] <... mmap resumed>)         = 0x7f035fc00000
[pid  5109] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5109] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5110] <... memfd_create resumed>) = 3
[pid  5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5109] <... memfd_create resumed>) = 3
[pid  5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[pid  5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5102] <... write resumed>)        = 16777216
[pid  5102] munmap(0x7f035fc00000, 138412032) = 0
[pid  5102] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[  112.452832][ T5102] loop1: detected capacity change from 0 to 32768
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5102] close(3)                    = 0
[pid  5102] close(4)                    = 0
[pid  5102] mkdir("./file0", 0777)      = 0
[pid  5102] mount("/dev/loop1", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"...) = 0
[pid  5102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5102] chdir("./file0")            = 0
[pid  5102] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5102] exit_group(0)               = ?
[pid  5102] +++ exited with 0 +++
[pid  5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=36 /* 0.36 s */} ---
[pid  5089] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5089] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5089] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5089] getdents64(3,  <unfinished ...>
[pid  5105] <... write resumed>)        = 16777216
[pid  5105] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5089] <... getdents64 resumed>0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5089] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] unlink("./1/binderfs")      = 0
[pid  5089] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid  5105] <... munmap resumed>)       = 0
[pid  5089] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5105] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5089] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5105] <... openat resumed>)       = 4
[pid  5105] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5089] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5089] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5089] getdents64(4,  <unfinished ...>
[pid  5105] <... ioctl resumed>)        = 0
[pid  5105] close(3)                    = 0
[pid  5105] close(4)                    = 0
[pid  5105] mkdir("./file0", 0777)      = 0
[pid  5089] <... getdents64 resumed>0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5089] getdents64(4,  <unfinished ...>
[pid  5105] mount("/dev/loop5", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5089] <... getdents64 resumed>0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5089] close(4)                    = 0
[  112.818245][ T5105] loop5: detected capacity change from 0 to 32768
[pid  5089] rmdir("./1/file0")          = 0
[pid  5089] getdents64(3, 0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5089] close(3)                    = 0
[pid  5089] rmdir("./1" <unfinished ...>
[pid  5105] <... mount resumed>)        = 0
[pid  5105] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5105] chdir("./file0")            = 0
[pid  5105] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5089] <... rmdir resumed>)        = 0
[pid  5105] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5105] exit_group(0)               = ?
[pid  5105] +++ exited with 0 +++
[pid  5093] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=46 /* 0.46 s */} ---
[pid  5089] mkdir("./2", 0777 <unfinished ...>
[pid  5093] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5093] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5093] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5093] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5089] <... mkdir resumed>)        = 0
[pid  5093] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5093] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5093] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5089] <... openat resumed>)       = 3
[pid  5093] unlink("./1/binderfs" <unfinished ...>
[pid  5089] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5093] <... unlink resumed>)       = 0
[pid  5093] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid  5093] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5093] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5093] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5093] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5093] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5093] getdents64(4, 0x55558d985730 /* 2 entries */, 32768) = 48
[pid  5093] getdents64(4, 0x55558d985730 /* 0 entries */, 32768) = 0
[pid  5093] close(4)                    = 0
[pid  5093] rmdir("./1/file0")          = 0
[pid  5093] getdents64(3, 0x55558d97d6f0 /* 0 entries */, 32768) = 0
[pid  5093] close(3)                    = 0
[pid  5093] rmdir("./1")                = 0
[pid  5093] mkdir("./2", 0777)          = 0
[pid  5093] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5093] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5110] <... write resumed>)        = 16777216
[pid  5108] <... write resumed>)        = 16777216
[pid  5110] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5108] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5107] <... write resumed>)        = 16777216
[pid  5107] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5110] <... munmap resumed>)       = 0
[pid  5108] <... munmap resumed>)       = 0
[pid  5110] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5108] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5110] <... openat resumed>)       = 4
[pid  5108] <... openat resumed>)       = 4
[pid  5110] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5108] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5110] <... ioctl resumed>)        = 0
[pid  5108] <... ioctl resumed>)        = 0
[pid  5108] close(3 <unfinished ...>
[pid  5110] close(3 <unfinished ...>
[pid  5108] <... close resumed>)        = 0
[pid  5107] <... munmap resumed>)       = 0
[pid  5110] <... close resumed>)        = 0
[pid  5108] close(4 <unfinished ...>
[pid  5110] close(4)                    = 0
[  113.229884][ T5108] loop4: detected capacity change from 0 to 32768
[  113.237420][ T5110] loop3: detected capacity change from 0 to 32768
[pid  5110] mkdir("./file0", 0777 <unfinished ...>
[pid  5109] <... write resumed>)        = 16777216
[pid  5110] <... mkdir resumed>)        = 0
[pid  5108] <... close resumed>)        = 0
[pid  5108] mkdir("./file0", 0777)      = 0
[pid  5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5110] mount("/dev/loop3", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5107] <... openat resumed>)       = 4
[pid  5108] mount("/dev/loop4", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5107] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5109] munmap(0x7f035fc00000, 138412032 <unfinished ...>
[pid  5108] <... mount resumed>)        = 0
[pid  5108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5107] <... ioctl resumed>)        = 0
[pid  5107] close(3 <unfinished ...>
[pid  5110] <... mount resumed>)        = 0
[pid  5108] <... openat resumed>)       = 3
[pid  5110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5108] chdir("./file0" <unfinished ...>
[pid  5110] <... openat resumed>)       = 3
[pid  5107] <... close resumed>)        = 0
[pid  5107] close(4 <unfinished ...>
[pid  5110] chdir("./file0" <unfinished ...>
[pid  5107] <... close resumed>)        = 0
[pid  5107] mkdir("./file0", 0777 <unfinished ...>
[pid  5110] <... chdir resumed>)        = 0
[pid  5107] <... mkdir resumed>)        = 0
[  113.300389][ T5107] loop0: detected capacity change from 0 to 32768
[pid  5110] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5108] <... chdir resumed>)        = 0
[pid  5107] mount("/dev/loop0", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5110] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5108] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5110] exit_group(0 <unfinished ...>
[pid  5108] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5108] exit_group(0)               = ?
[pid  5108] +++ exited with 0 +++
[pid  5092] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=46 /* 0.46 s */} ---
[pid  5092] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5110] <... exit_group resumed>)   = ?
[pid  5092] <... restart_syscall resumed>) = 0
[pid  5092] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5092] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5092] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5092] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5092] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5107] <... mount resumed>)        = 0
[pid  5092] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5092] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5109] <... munmap resumed>)       = 0
[pid  5107] <... openat resumed>)       = 3
[pid  5092] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5110] +++ exited with 0 +++
[pid  5092] unlink("./1/binderfs" <unfinished ...>
[pid  5107] chdir("./file0" <unfinished ...>
[pid  5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=38 /* 0.38 s */} ---
[pid  5107] <... chdir resumed>)        = 0
[pid  5091] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5091] <... restart_syscall resumed>) = 0
[pid  5107] exit_group(0)               = ?
[pid  5107] +++ exited with 0 +++
[pid  5091] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5091] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5091] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5091] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5091] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5091] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5091] unlink("./1/binderfs")      = 0
[pid  5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=45 /* 0.45 s */} ---
[pid  5091] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5109] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5109] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5092] <... unlink resumed>)       = 0
[pid  5088] restart_syscall(<... resuming interrupted clone ...>) = 0
[  113.410155][ T5109] loop2: detected capacity change from 0 to 32768
[  113.431375][ T5092] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  113.443707][ T5092] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[  113.452254][ T5092] CPU: 0 PID: 5092 Comm: syz-executor377 Not tainted 6.9.0-rc6-syzkaller-00227-g3d25a941ea50 #0
[  113.462729][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  113.472831][ T5092] RIP: 0010:write_special_inodes+0xa9/0x170
[  113.478822][ T5092] Code: 2e e8 7b f6 d3 07 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 43 f6 d3 07 48 8d
[  113.498492][ T5092] RSP: 0018:ffffc9000488fbb8 EFLAGS: 00010216
[  113.504628][ T5092] RAX: 0000000000000006 RBX: ffff88801fe3d800 RCX: ffffffff81c037be
[  113.512662][ T5092] RDX: 0000000000000000 RSI: ffffffff81c03771 RDI: 0000000000000030
[  113.520691][ T5092] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
[  113.528716][ T5092] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81c0f810
[  113.536829][ T5092] R13: 0000000000000000 R14: ffff88802b217000 R15: ffff88802cf483c0
[  113.544867][ T5092] FS:  000055558d97c380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[  113.553865][ T5092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.560509][ T5092] CR2: 00007ffdf69e450c CR3: 000000001f4c0000 CR4: 0000000000350ef0
[  113.568551][ T5092] Call Trace:
[  113.571874][ T5092]  <TASK>
[  113.574858][ T5092]  ? show_regs+0x8c/0xa0
[  113.579189][ T5092]  ? die_addr+0x4f/0xd0
[  113.583419][ T5092]  ? exc_general_protection+0x155/0x230
[  113.589078][ T5092]  ? asm_exc_general_protection+0x26/0x30
[  113.594878][ T5092]  ? __pfx_filemap_flush+0x10/0x10
[  113.600083][ T5092]  ? filemap_fdatawrite_wbc+0xce/0x1c0
[  113.605630][ T5092]  ? filemap_fdatawrite_wbc+0x81/0x1c0
[  113.611189][ T5092]  ? write_special_inodes+0xa9/0x170
[  113.616566][ T5092]  ? write_special_inodes+0x85/0x170
[  113.621947][ T5092]  lmLogSync+0x4a0/0x820
[  113.626282][ T5092]  ? __pfx_lmLogSync+0x10/0x10
[  113.631157][ T5092]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[  113.637163][ T5092]  jfs_syncpt+0x89/0xa0
[  113.641429][ T5092]  jfs_sync_fs+0x83/0xb0
[  113.645774][ T5092]  ? __pfx_jfs_sync_fs+0x10/0x10
[  113.650821][ T5092]  sync_filesystem+0x110/0x290
[  113.655774][ T5092]  generic_shutdown_super+0x7e/0x3d0
[  113.661166][ T5092]  kill_block_super+0x3b/0x90
[  113.666062][ T5092]  deactivate_locked_super+0xc1/0x1a0
[  113.671565][ T5092]  deactivate_super+0xde/0x100
[  113.676433][ T5092]  cleanup_mnt+0x222/0x450
[  113.681011][ T5092]  task_work_run+0x151/0x250
[  113.685759][ T5092]  ? __pfx_task_work_run+0x10/0x10
[  113.690962][ T5092]  ptrace_notify+0x10e/0x130
[  113.695661][ T5092]  syscall_exit_to_user_mode_prepare+0x126/0x260
[  113.702095][ T5092]  syscall_exit_to_user_mode+0x11/0x2a0
[  113.707748][ T5092]  do_syscall_64+0xdc/0x260
[  113.712333][ T5092]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  113.718312][ T5092] RIP: 0033:0x7f036819a577
[  113.722784][ T5092] 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
[  113.742459][ T5092] RSP: 002b:00007ffdf69e44f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  113.750943][ T5092] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f036819a577
[pid  5092] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5088] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5109] <... ioctl resumed>)        = 0
[pid  5088] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5109] close(3)                    = 0
[pid  5109] close(4)                    = 0
[pid  5109] mkdir("./file0", 0777)      = 0
[pid  5109] mount("/dev/loop2", "./file0", "jfs", 0, "uid=0x0000000000000000,iocharset=ascii,errors=remount-ro,nointegrity,gid=0x000000000000ee01,errors=c"... <unfinished ...>
[pid  5088] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5088] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5088] getdents64(3, 0x55558d97d6f0 /* 4 entries */, 32768) = 112
[pid  5088] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5088] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5088] unlink("./1/binderfs")      = 0
[pid  5088] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5093] <... ioctl resumed>)        = 0
[pid  5089] <... ioctl resumed>)        = 0
[pid  5093] close(3)                    = 0
[pid  5089] close(3)                    = 0
[pid  5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5093] <... clone resumed>, child_tidptr=0x55558d97c650) = 5111
[pid  5089] <... clone resumed>, child_tidptr=0x55558d97c650) = 5112
./strace-static-x86_64: Process 5112 attached
[pid  5112] set_robust_list(0x55558d97c660, 24) = 0
[pid  5112] chdir("./2")                = 0
[pid  5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5112] setpgid(0, 0)               = 0
[pid  5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5112] write(3, "1000", 4)         = 4
[pid  5112] close(3)                    = 0
[pid  5112] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5112] memfd_create("syzkaller", 0) = 3
[pid  5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
./strace-static-x86_64: Process 5111 attached
[  113.758984][ T5092] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf69e45b0
[  113.767019][ T5092] RBP: 00007ffdf69e45b0 R08: 0000000000000000 R09: 0000000000000000
[  113.775139][ T5092] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdf69e5620
[  113.783176][ T5092] R13: 000055558d97d6c0 R14: 431bde82d7b634db R15: 00007ffdf69e5640
[  113.791231][ T5092]  </TASK>
[  113.794302][ T5092] Modules linked in:
[  113.800504][ T5092] ---[ end trace 0000000000000000 ]---
[pid  5111] set_robust_list(0x55558d97c660, 24) = 0
[pid  5111] chdir("./2")                = 0
[pid  5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5111] setpgid(0, 0)               = 0
[  113.807487][ T5092] RIP: 0010:write_special_inodes+0xa9/0x170
[  113.813975][ T5092] Code: 2e e8 7b f6 d3 07 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 43 f6 d3 07 48 8d
[  113.835860][ T5092] RSP: 0018:ffffc9000488fbb8 EFLAGS: 00010216
[  113.842756][ T5092] RAX: 0000000000000006 RBX: ffff88801fe3d800 RCX: ffffffff81c037be
[  113.851553][ T5092] RDX: 0000000000000000 RSI: ffffffff81c03771 RDI: 0000000000000030
[pid  5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5111] write(3, "1000", 4)         = 4
[pid  5111] close(3)                    = 0
[pid  5111] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5111] memfd_create("syzkaller", 0) = 3
[pid  5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f035fc00000
[  113.861060][ T5092] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
[  113.870467][ T5092] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81c0f810
[  113.879604][ T5092] R13: 0000000000000000 R14: ffff88802b217000 R15: ffff88802cf483c0
[  113.928946][ T5092] FS:  000055558d97c380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[  113.943602][ T5092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.964902][ T5092] CR2: 00007f0360271000 CR3: 000000001f4c0000 CR4: 0000000000350ef0
[  113.984169][ T5092] Kernel panic - not syncing: Fatal exception
[  113.990660][ T5092] Kernel Offset: disabled
[  113.995005][ T5092] Rebooting in 86400 seconds..