./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1211104020

<...>
Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts.
execve("./syz-executor1211104020", ["./syz-executor1211104020"], 0x7fff390ac510 /* 10 vars */) = 0
brk(NULL)                               = 0x555593a1a000
brk(0x555593a1ad00)                     = 0x555593a1ad00
arch_prctl(ARCH_SET_FS, 0x555593a1a380) = 0
set_tid_address(0x555593a1a650)         = 5821
set_robust_list(0x555593a1a660, 24)     = 0
rseq(0x555593a1aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1211104020", 4096) = 28
getrandom("\xaa\xb3\xaf\xda\xbe\x58\xaf\xeb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555593a1ad00
brk(0x555593a3bd00)                     = 0x555593a3bd00
brk(0x555593a3c000)                     = 0x555593a3c000
mprotect(0x7f69b534f000, 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 5822 attached
, child_tidptr=0x555593a1a650) = 5822
[pid  5822] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] <... set_robust_list resumed>) = 0
[pid  5822] mkdir("./syzkaller.P2Pcdy", 0700./strace-static-x86_64: Process 5823 attached
 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555593a1a650) = 5823
[pid  5823] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5822] <... mkdir resumed>)        = 0
[pid  5822] chmod("./syzkaller.P2Pcdy", 0777 <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5823] <... set_robust_list resumed>) = 0
[pid  5823] mkdir("./syzkaller.GCX0Uz", 0700 <unfinished ...>
[pid  5822] <... chmod resumed>)        = 0
./strace-static-x86_64: Process 5824 attached
[pid  5823] <... mkdir resumed>)        = 0
[pid  5824] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5822] chdir("./syzkaller.P2Pcdy" <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555593a1a650) = 5824
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5823] chmod("./syzkaller.GCX0Uz", 0777 <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5824] mkdir("./syzkaller.AN2qWq", 0700 <unfinished ...>
[pid  5822] <... chdir resumed>)        = 0
[pid  5823] <... chmod resumed>)        = 0
[pid  5822] mkdir("./0", 0777 <unfinished ...>
[pid  5824] <... mkdir resumed>)        = 0
[pid  5822] <... mkdir resumed>)        = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5825 attached
 <unfinished ...>
[pid  5824] chmod("./syzkaller.AN2qWq", 0777 <unfinished ...>
[pid  5823] chdir("./syzkaller.GCX0Uz" <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555593a1a650) = 5825
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5822] <... openat resumed>)       = 3
[pid  5825] <... set_robust_list resumed>) = 0
[pid  5824] <... chmod resumed>)        = 0
[pid  5823] <... chdir resumed>)        = 0
[pid  5822] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5826 attached
 <unfinished ...>
[pid  5826] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5823] mkdir("./0", 0777 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555593a1a650) = 5826
[pid  5825] mkdir("./syzkaller.P5Dqad", 0700 <unfinished ...>
[pid  5824] chdir("./syzkaller.AN2qWq" <unfinished ...>
[pid  5822] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5825] <... mkdir resumed>)        = 0
[pid  5824] <... chdir resumed>)        = 0
[pid  5823] <... mkdir resumed>)        = 0
[pid  5822] close(3 <unfinished ...>
[pid  5826] mkdir("./syzkaller.HaEye6", 0700 <unfinished ...>
[pid  5825] chmod("./syzkaller.P5Dqad", 0777 <unfinished ...>
[pid  5824] mkdir("./0", 0777 <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5822] <... close resumed>)        = 0
[pid  5826] <... mkdir resumed>)        = 0
[pid  5823] <... openat resumed>)       = 3
[pid  5826] chmod("./syzkaller.HaEye6", 0777 <unfinished ...>
[pid  5825] <... chmod resumed>)        = 0
[pid  5824] <... mkdir resumed>)        = 0
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] <... chmod resumed>)        = 0
[pid  5826] chdir("./syzkaller.HaEye6" <unfinished ...>
[pid  5825] chdir("./syzkaller.P5Dqad" <unfinished ...>
[pid  5823] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5828 attached
 <unfinished ...>
[pid  5826] <... chdir resumed>)        = 0
[pid  5825] <... chdir resumed>)        = 0
[pid  5823] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] mkdir("./0", 0777 <unfinished ...>
[pid  5825] mkdir("./0", 0777 <unfinished ...>
[pid  5824] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5828] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5825] <... mkdir resumed>)        = 0
[pid  5824] <... openat resumed>)       = 3
[pid  5823] close(3 <unfinished ...>
[pid  5828] <... set_robust_list resumed>) = 0
[pid  5826] <... mkdir resumed>)        = 0
[pid  5823] <... close resumed>)        = 0
[pid  5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x555593a1a650) = 5828
./strace-static-x86_64: Process 5829 attached
[pid  5824] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5824] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5829] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5828] chdir("./0" <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5828] <... chdir resumed>)        = 0
[pid  5829] <... set_robust_list resumed>) = 0
[pid  5828] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5825] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5824] close(3 <unfinished ...>
[pid  5829] chdir("./0" <unfinished ...>
[pid  5828] <... prctl resumed>)        = 0
[pid  5826] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5825] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5824] <... close resumed>)        = 0
[pid  5823] <... clone resumed>, child_tidptr=0x555593a1a650) = 5829
[pid  5829] <... chdir resumed>)        = 0
[pid  5828] setpgid(0, 0 <unfinished ...>
[pid  5826] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5825] close(3 <unfinished ...>
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5828] <... setpgid resumed>)      = 0
[pid  5826] close(3./strace-static-x86_64: Process 5830 attached
 <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5825] <... close resumed>)        = 0
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5830] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5829] <... prctl resumed>)        = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached
 <unfinished ...>
[pid  5830] <... set_robust_list resumed>) = 0
[pid  5829] setpgid(0, 0 <unfinished ...>
[pid  5828] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5832 attached
[pid  5830] chdir("./0" <unfinished ...>
[pid  5829] <... setpgid resumed>)      = 0
[pid  5828] write(3, "1000", 4 <unfinished ...>
[pid  5824] <... clone resumed>, child_tidptr=0x555593a1a650) = 5830
[pid  5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5830] <... chdir resumed>)        = 0
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5831] set_robust_list(0x555593a1a660, 24 <unfinished ...>
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5828] <... write resumed>)        = 4
[pid  5826] <... clone resumed>, child_tidptr=0x555593a1a650) = 5831
[pid  5825] <... clone resumed>, child_tidptr=0x555593a1a650) = 5832
[pid  5832] chdir("./0" <unfinished ...>
[pid  5831] <... set_robust_list resumed>) = 0
[pid  5830] <... prctl resumed>)        = 0
[pid  5828] close(3 <unfinished ...>
[pid  5832] <... chdir resumed>)        = 0
[pid  5831] chdir("./0" <unfinished ...>
[pid  5830] setpgid(0, 0 <unfinished ...>
[pid  5829] write(3, "1000", 4 <unfinished ...>
[pid  5828] <... close resumed>)        = 0
[pid  5831] <... chdir resumed>)        = 0
[pid  5828] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5832] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] setpgid(0, 0 <unfinished ...>
[pid  5830] <... setpgid resumed>)      = 0
[pid  5829] <... write resumed>)        = 4
[pid  5832] <... prctl resumed>)        = 0
[pid  5831] <... setpgid resumed>)      = 0
[pid  5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5829] close(3 <unfinished ...>
[pid  5828] <... symlink resumed>)      = 0
[pid  5832] setpgid(0, 0 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5830] <... openat resumed>)       = 3
[pid  5829] <... close resumed>)        = 0
[pid  5832] <... setpgid resumed>)      = 0
[pid  5828] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5829] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5828] <... write resumed>)        = 18
[pid  5832] <... openat resumed>)       = 3
[pid  5830] write(3, "1000", 4 <unfinished ...>
[pid  5829] <... symlink resumed>)      = 0
[pid  5830] <... write resumed>)        = 4
[pid  5832] write(3, "1000", 4 <unfinished ...>
[pid  5830] close(3 <unfinished ...>
[pid  5832] <... write resumed>)        = 4
[pid  5830] <... close resumed>)        = 0
[pid  5832] close(3 <unfinished ...>
[pid  5831] write(3, "1000", 4 <unfinished ...>
[pid  5830] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5831] <... write resumed>)        = 4
[pid  5830] <... symlink resumed>)      = 0
[pid  5829] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5828] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5832] <... symlink resumed>)      = 0
[pid  5831] <... close resumed>)        = 0
[pid  5830] write(1, "executing program\n", 18 <unfinished ...>
[pid  5829] <... write resumed>)        = 18
[pid  5828] <... memfd_create resumed>) = 3
[pid  5831] symlink("/dev/binderfs", "./binderfs"executing program
executing program
 <unfinished ...>
[pid  5829] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] write(1, "executing program\n", 18 <unfinished ...>
[pid  5830] <... write resumed>)        = 18
[pid  5832] <... write resumed>)        = 18
[pid  5831] <... symlink resumed>)      = 0
[pid  5830] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5829] <... memfd_create resumed>) = 3
[pid  5832] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5828] <... mmap resumed>)         = 0x7f69ace00000
[pid  5830] <... memfd_create resumed>) = 3
[pid  5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] <... memfd_create resumed>) = 3
[pid  5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5829] <... mmap resumed>)         = 0x7f69ace00000
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5830] <... mmap resumed>)         = 0x7f69ace00000
executing program
[pid  5832] <... mmap resumed>)         = 0x7f69ace00000
[pid  5831] write(1, "executing program\n", 18) = 18
[pid  5831] memfd_create("syzkaller", 0) = 3
[pid  5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f69ace00000
[pid  5828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5830] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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  5828] <... write resumed>)        = 16777216
[pid  5828] munmap(0x7f69ace00000, 138412032) = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5828] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5828] close(3)                    = 0
[pid  5828] close(4)                    = 0
[pid  5828] mkdir("./file1", 0777)      = 0
[   58.836305][ T5828] loop0: detected capacity change from 0 to 32768
[pid  5828] mount("/dev/loop0", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5832] <... write resumed>)        = 16777216
[pid  5831] <... write resumed>)        = 16777216
[pid  5830] <... write resumed>)        = 16777216
[pid  5832] munmap(0x7f69ace00000, 138412032 <unfinished ...>
[pid  5830] munmap(0x7f69ace00000, 138412032 <unfinished ...>
[pid  5831] munmap(0x7f69ace00000, 138412032 <unfinished ...>
[pid  5828] <... mount resumed>)        = 0
[pid  5828] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5828] chdir("./file1")            = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5828] exit_group(0)               = ?
[pid  5832] <... munmap resumed>)       = 0
[pid  5831] <... munmap resumed>)       = 0
[pid  5830] <... munmap resumed>)       = 0
[pid  5829] <... write resumed>)        = 16777216
[pid  5828] +++ exited with 0 +++
[pid  5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=21 /* 0.21 s */} ---
[pid  5831] <... openat resumed>)       = 4
[pid  5830] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
[pid  5831] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5832] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5822] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] munmap(0x7f69ace00000, 138412032 <unfinished ...>
[pid  5832] <... ioctl resumed>)        = 0
[pid  5831] <... ioctl resumed>)        = 0
[pid  5830] <... openat resumed>)       = 4
[pid  5822] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] close(3 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5830] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5822] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  5822] <... openat resumed>)       = 3
[pid  5832] close(4 <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  5822] newfstatat(3, "",  <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] mkdir("./file1", 0777 <unfinished ...>
[pid  5831] mkdir("./file1", 0777 <unfinished ...>
[pid  5822] getdents64(3,  <unfinished ...>
[pid  5832] <... mkdir resumed>)        = 0
[pid  5831] <... mkdir resumed>)        = 0
[pid  5822] <... getdents64 resumed>0x555593a1b6f0 /* 4 entries */, 32768) = 112
[pid  5822] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5822] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5822] unlink("./0/binderfs")      = 0
[pid  5822] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] mount("/dev/loop3", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5831] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5830] <... ioctl resumed>)        = 0
[pid  5829] <... munmap resumed>)       = 0
[pid  5822] <... umount2 resumed>)      = 0
[pid  5830] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5830] close(4 <unfinished ...>
[pid  5829] <... openat resumed>)       = 4
[pid  5822] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[   58.939931][ T5832] loop3: detected capacity change from 0 to 32768
[   58.941104][ T5831] loop4: detected capacity change from 0 to 32768
[   58.955976][ T5830] loop2: detected capacity change from 0 to 32768
[pid  5829] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5830] mkdir("./file1", 0777 <unfinished ...>
[pid  5822] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5822] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5830] <... mkdir resumed>)        = 0
[pid  5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] mount("/dev/loop2", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5832] <... mount resumed>)        = 0
[pid  5831] <... mount resumed>)        = 0
[pid  5822] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] <... ioctl resumed>)        = 0
[pid  5822] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5829] close(3 <unfinished ...>
[pid  5822] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5822] <... openat resumed>)       = 4
[pid  5829] close(4 <unfinished ...>
[pid  5822] newfstatat(4, "",  <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5829] <... close resumed>)        = 0
[pid  5832] <... openat resumed>)       = 3
[pid  5831] chdir("./file1" <unfinished ...>
[pid  5822] getdents64(4,  <unfinished ...>
[pid  5832] chdir("./file1" <unfinished ...>
[pid  5831] <... chdir resumed>)        = 0
[pid  5829] mkdir("./file1", 0777 <unfinished ...>
[pid  5822] <... getdents64 resumed>0x555593a23730 /* 2 entries */, 32768) = 48
[pid  5832] <... chdir resumed>)        = 0
[pid  5822] getdents64(4,  <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5829] <... mkdir resumed>)        = 0
[pid  5822] <... getdents64 resumed>0x555593a23730 /* 0 entries */, 32768) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5822] close(4 <unfinished ...>
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5829] mount("/dev/loop1", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5822] <... close resumed>)        = 0
[pid  5832] exit_group(0 <unfinished ...>
[pid  5831] exit_group(0 <unfinished ...>
[pid  5822] rmdir("./0/file1" <unfinished ...>
[pid  5832] <... exit_group resumed>)   = ?
[pid  5831] <... exit_group resumed>)   = ?
[pid  5832] +++ exited with 0 +++
[pid  5831] +++ exited with 0 +++
[pid  5822] <... rmdir resumed>)        = 0
[pid  5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=19 /* 0.19 s */} ---
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=21 /* 0.21 s */} ---
[pid  5826] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5822] getdents64(3, 0x555593a1b6f0 /* 0 entries */, 32768) = 0
[pid  5822] close(3 <unfinished ...>
[pid  5830] <... mount resumed>)        = 0
[pid  5826] <... restart_syscall resumed>) = 0
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5822] <... close resumed>)        = 0
[pid  5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5822] rmdir("./0" <unfinished ...>
[pid  5825] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5825] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5822] <... rmdir resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5825] <... openat resumed>)       = 3
[pid  5830] chdir("./file1" <unfinished ...>
[pid  5826] newfstatat(3, "",  <unfinished ...>
[pid  5830] <... chdir resumed>)        = 0
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5825] newfstatat(3, "",  <unfinished ...>
[   58.986487][ T5829] loop1: detected capacity change from 0 to 32768
[pid  5830] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5826] getdents64(3,  <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5822] mkdir("./1", 0777 <unfinished ...>
[pid  5830] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5826] <... getdents64 resumed>0x555593a1b6f0 /* 4 entries */, 32768) = 112
[pid  5825] getdents64(3,  <unfinished ...>
[pid  5830] exit_group(0 <unfinished ...>
[pid  5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] <... getdents64 resumed>0x555593a1b6f0 /* 4 entries */, 32768) = 112
[pid  5830] <... exit_group resumed>)   = ?
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] +++ exited with 0 +++
[pid  5826] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5822] <... mkdir resumed>)        = 0
[pid  5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5826] unlink("./0/binderfs" <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=23 /* 0.23 s */} ---
[pid  5829] <... mount resumed>)        = 0
[pid  5826] <... unlink resumed>)       = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5829] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5822] <... openat resumed>)       = 3
[pid  5824] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5825] unlink("./0/binderfs" <unfinished ...>
[pid  5824] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5822] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5829] chdir("./file1" <unfinished ...>
[pid  5825] <... unlink resumed>)       = 0
[pid  5824] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5829] <... chdir resumed>)        = 0
[pid  5825] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5822] <... ioctl resumed>)        = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5824] <... openat resumed>)       = 3
[pid  5822] close(3 <unfinished ...>
[pid  5826] <... umount2 resumed>)      = 0
[pid  5829] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5824] newfstatat(3, "",  <unfinished ...>
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5825] <... umount2 resumed>)      = 0
[pid  5826] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5826] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] <... openat resumed>)       = 4
[pid  5825] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5826] newfstatat(4, "",  <unfinished ...>
[pid  5825] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] exit_group(0 <unfinished ...>
[pid  5826] getdents64(4,  <unfinished ...>
[pid  5825] <... openat resumed>)       = 4
[pid  5826] <... getdents64 resumed>0x555593a23730 /* 2 entries */, 32768) = 48
[pid  5825] newfstatat(4, "",  <unfinished ...>
[pid  5826] getdents64(4,  <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5826] <... getdents64 resumed>0x555593a23730 /* 0 entries */, 32768) = 0
[pid  5825] getdents64(4,  <unfinished ...>
[pid  5826] close(4 <unfinished ...>
[pid  5825] <... getdents64 resumed>0x555593a23730 /* 2 entries */, 32768) = 48
[pid  5826] <... close resumed>)        = 0
[pid  5825] getdents64(4,  <unfinished ...>
[pid  5826] rmdir("./0/file1" <unfinished ...>
[pid  5825] <... getdents64 resumed>0x555593a23730 /* 0 entries */, 32768) = 0
[pid  5826] <... rmdir resumed>)        = 0
[pid  5825] close(4)                    = 0
[pid  5829] <... exit_group resumed>)   = ?
[pid  5825] rmdir("./0/file1" <unfinished ...>
[pid  5824] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] +++ exited with 0 +++
[pid  5825] <... rmdir resumed>)        = 0
[pid  5824] getdents64(3,  <unfinished ...>
[pid  5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=23 /* 0.23 s */} ---
[pid  5826] getdents64(3, 0x555593a1b6f0 /* 0 entries */, 32768) = 0
[pid  5826] close(3 <unfinished ...>
[pid  5823] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5823] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] rmdir("./0" <unfinished ...>
[pid  5823] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] <... rmdir resumed>)        = 0
[pid  5825] getdents64(3,  <unfinished ...>
[pid  5823] <... openat resumed>)       = 3
[pid  5824] <... getdents64 resumed>0x555593a1b6f0 /* 4 entries */, 32768) = 112
[pid  5825] <... getdents64 resumed>0x555593a1b6f0 /* 0 entries */, 32768) = 0
[pid  5824] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5823] newfstatat(3, "",  <unfinished ...>
[pid  5824] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] close(3 <unfinished ...>
[pid  5824] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5825] <... close resumed>)        = 0
[pid  5824] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] rmdir("./0" <unfinished ...>
[pid  5824] unlink("./0/binderfs" <unfinished ...>
[pid  5825] <... rmdir resumed>)        = 0
[pid  5824] <... unlink resumed>)       = 0
[pid  5825] mkdir("./1", 0777 <unfinished ...>
[pid  5824] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5823] getdents64(3,  <unfinished ...>
[pid  5825] <... mkdir resumed>)        = 0
[pid  5823] <... getdents64 resumed>0x555593a1b6f0 /* 4 entries */, 32768) = 112
[pid  5823] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5823] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5823] unlink("./0/binderfs" <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5823] <... unlink resumed>)       = 0
[pid  5826] mkdir("./1", 0777 <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[   59.136258][ T5823] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI
[   59.148877][ T5823] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   59.157294][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor121 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
[   59.168387][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   59.178528][ T5823] RIP: 0010:lmLogSync+0x228/0xae0
[   59.183567][ T5823] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 b6 7d d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 99 7d d0 fe 48 8b 3b e8 e1 ed a0
[   59.203164][ T5823] RSP: 0018:ffffc90003d07a40 EFLAGS: 00010206
[   59.209233][ T5823] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807d25da00
[   59.217279][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   59.225242][ T5823] RBP: ffffc90003d07b48 R08: ffffffff81d79f9e R09: 0000000000000000
[   59.233211][ T5823] R10: ffffc90003d07828 R11: fffff520007a0f34 R12: ffff88802604d000
[   59.241176][ T5823] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802f105638
[   59.249142][ T5823] FS:  0000555593a1a380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   59.258316][ T5823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.264885][ T5823] CR2: 0000555593a236f8 CR3: 0000000076486000 CR4: 00000000003526f0
[   59.272845][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.280800][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.288758][ T5823] Call Trace:
[   59.292026][ T5823]  <TASK>
[   59.294950][ T5823]  ? __die_body+0x5f/0xb0
[   59.299270][ T5823]  ? die_addr+0xb0/0xe0
[   59.303415][ T5823]  ? exc_general_protection+0x3dd/0x5d0
[   59.308965][ T5823]  ? asm_exc_general_protection+0x26/0x30
[   59.314677][ T5823]  ? filemap_flush+0x17e/0x260
[   59.319432][ T5823]  ? lmLogSync+0x228/0xae0
[   59.323842][ T5823]  ? __pfx_lmLogSync+0x10/0x10
[   59.328597][ T5823]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   59.334477][ T5823]  jfs_syncpt+0x7d/0xa0
[   59.338622][ T5823]  jfs_sync_fs+0x8a/0xa0
[   59.342854][ T5823]  sync_filesystem+0xed/0x230
[   59.347524][ T5823]  generic_shutdown_super+0x72/0x2d0
[   59.352802][ T5823]  kill_block_super+0x44/0x90
[   59.357472][ T5823]  deactivate_locked_super+0xc4/0x130
[   59.362834][ T5823]  cleanup_mnt+0x41f/0x4b0
[   59.367242][ T5823]  ? lockdep_hardirqs_on+0x99/0x150
[   59.372433][ T5823]  task_work_run+0x24f/0x310
[   59.377013][ T5823]  ? __pfx_task_work_run+0x10/0x10
[   59.382115][ T5823]  ? path_umount+0x284/0xf70
[   59.386695][ T5823]  ptrace_notify+0x2d2/0x380
[   59.391277][ T5823]  ? __pfx_ptrace_notify+0x10/0x10
[   59.396379][ T5823]  ? kmem_cache_free+0x195/0x410
[   59.401306][ T5823]  ? __x64_sys_umount+0x123/0x170
[   59.406319][ T5823]  syscall_exit_work+0xc7/0x1d0
[   59.411160][ T5823]  syscall_exit_to_user_mode+0x24a/0x340
[   59.416790][ T5823]  do_syscall_64+0x100/0x230
[   59.421370][ T5823]  ? clear_bhb_loop+0x35/0x90
[   59.426043][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   59.431927][ T5823] RIP: 0033:0x7f69b52d64b7
[   59.436339][ T5823] 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
[   59.455932][ T5823] RSP: 002b:00007ffd06315088 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   59.464334][ T5823] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f69b52d64b7
[   59.472290][ T5823] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd06315140
[pid  5823] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... mkdir resumed>)        = 0
[pid  5825] ioctl(3, LOOP_CLR_FD)       = 0
[   59.480250][ T5823] RBP: 00007ffd06315140 R08: 0000000000000000 R09: 0000000000000000
[   59.488208][ T5823] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd063161a0
[   59.496165][ T5823] R13: 0000555593a1b6c0 R14: 0000000000000001 R15: 431bde82d7b634db
[   59.504133][ T5823]  </TASK>
[   59.507137][ T5823] Modules linked in:
[   59.511221][ T5823] ---[ end trace 0000000000000000 ]---
[pid  5825] close(3 <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5822] <... close resumed>)        = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5825] <... clone resumed>, child_tidptr=0x555593a1a650) = 5835
[pid  5826] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5826] close(3./strace-static-x86_64: Process 5835 attached
 <unfinished ...>
[pid  5835] set_robust_list(0x555593a1a660, 24) = 0
[pid  5835] chdir("./1")                = 0
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5835] setpgid(0, 0)               = 0
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5835] write(3, "1000", 4)         = 4
[pid  5835] close(3)                    = 0
[pid  5835] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] <... symlink resumed>)      = 0
executing program
[pid  5835] write(1, "executing program\n", 18) = 18
[pid  5835] memfd_create("syzkaller", 0) = 3
[   59.564858][ T5823] RIP: 0010:lmLogSync+0x228/0xae0
[   59.569956][ T5823] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 b6 7d d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 99 7d d0 fe 48 8b 3b e8 e1 ed a0
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f69ace00000
./strace-static-x86_64: Process 5836 attached
[pid  5822] <... clone resumed>, child_tidptr=0x555593a1a650) = 5836
[pid  5836] set_robust_list(0x555593a1a660, 24) = 0
[pid  5836] chdir("./1")                = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   59.613286][ T5823] RSP: 0018:ffffc90003d07a40 EFLAGS: 00010206
[   59.620517][ T5823] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807d25da00
[   59.634113][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   59.642792][ T5823] RBP: ffffc90003d07b48 R08: ffffffff81d79f9e R09: 0000000000000000
[   59.651702][ T5823] R10: ffffc90003d07828 R11: fffff520007a0f34 R12: ffff88802604d000
[pid  5836] setpgid(0, 0)               = 0
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5836] write(3, "1000", 4)         = 4
[pid  5836] close(3 <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5836] <... close resumed>)        = 0
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593a1a650) = 5837
[pid  5836] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5837] set_robust_list(0x555593a1a660, 24) = 0
[pid  5837] chdir("./1")                = 0
[pid  5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5837] setpgid(0, 0)               = 0
[pid  5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   59.660230][ T5823] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802f105638
[   59.668676][ T5823] FS:  0000555593a1a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   59.678374][ T5823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.685061][ T5823] CR2: 00007f69b531e00a CR3: 0000000076486000 CR4: 00000000003526f0
[   59.693291][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.701450][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[pid  5837] write(3, "1000", 4)         = 4
[   59.709569][ T5823] Kernel panic - not syncing: Fatal exception
[   59.715894][ T5823] Kernel Offset: disabled
[   59.720211][ T5823] Rebooting in 86400 seconds..