./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3200073160

<...>
Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts.
execve("./syz-executor3200073160", ["./syz-executor3200073160"], 0x7ffe4c652d70 /* 10 vars */) = 0
brk(NULL)                               = 0x55557644d000
brk(0x55557644de00)                     = 0x55557644de00
arch_prctl(ARCH_SET_FS, 0x55557644d480) = 0
set_tid_address(0x55557644d750)         = 5832
set_robust_list(0x55557644d760, 24)     = 0
rseq(0x55557644dda0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3200073160", 4096) = 28
getrandom("\x2c\x5a\xdf\xbc\x2e\x2e\x94\x0b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557644de00
brk(0x55557646ee00)                     = 0x55557646ee00
brk(0x55557646f000)                     = 0x55557646f000
mprotect(0x7f88d00a4000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f88cfff7940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f88d00006e0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f88cfff7940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f88d00006e0}, NULL, 8) = 0
mkdir("./syzkaller.x0TGSx", 0700)       = 0
chmod("./syzkaller.x0TGSx", 0777)       = 0
chdir("./syzkaller.x0TGSx")             = 0
mkdir("./0", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
 <unfinished ...>
[pid  5834] set_robust_list(0x55557644d760, 24) = 0
[pid  5834] chdir("./0")                = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557644d750) = 5834
[pid  5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5834] setpgid(0, 0)               = 0
[pid  5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1000", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5834] write(1, "executing program\n", 18executing program
) = 18
[pid  5834] memfd_create("syzkaller", 0) = 3
[pid  5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f88c7a00000
[pid  5834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152) = 2097152
[pid  5834] munmap(0x7f88c7a00000, 138412032) = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5834] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5834] close(3)                    = 0
[pid  5834] close(4)                    = 0
[pid  5834] mkdir("./file1", 0777)      = 0
[   66.077535][ T5834] loop0: detected capacity change from 0 to 4096
[pid  5834] mount("/dev/loop0", "./file1", "nilfs2", MS_RELATIME, "") = 0
[pid  5834] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5834] chdir("./file1")            = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5834] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5834] mkdir("./file0", 0777)      = 0
[pid  5834] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  5834] mount(NULL, "./file0", "overlay", 0, "lowerdir=./file0:/") = 0
[pid  5834] exit_group(0)               = ?
[pid  5834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[   66.140614][ T5835] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55557644e7f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs")                  = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555576456830 /* 9 entries */, 32768) = 512
umount2("./0/file1/.nilfs", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./0/file1/.nilfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file1/.nilfs", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file1/.nilfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/file1/.nilfs", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(5, 0x55557645e870 /* 2 entries */, 32768) = 48
getdents64(5, 0x55557645e870 /* 0 entries */, 32768) = 0
close(5)                                = 0
rmdir("./0/file1/.nilfs")               = 0
umount2("./0/file1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file1/file0", {st_mode=S_IFDIR|0700, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/file1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=0, ...}, AT_EMPTY_PATH) = 0
getdents64(5, 0x55557645e870, 32768)    = -1 ENOENT (No such file or directory)
close(5)                                = 0
[   66.461512][ T5832] NILFS (loop0): deleting nonexistent file (ino=11), 0
[   66.469092][ T5832] ------------[ cut here ]------------
[   66.474665][ T5832] WARNING: CPU: 1 PID: 5832 at fs/inode.c:407 drop_nlink+0xc4/0x110
[   66.482742][ T5832] Modules linked in:
[   66.486674][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor320 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
[   66.497513][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[   66.507605][ T5832] RIP: 0010:drop_nlink+0xc4/0x110
[   66.512705][ T5832] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 df e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 6d f4 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   66.532377][ T5832] RSP: 0018:ffffc90003ce7c70 EFLAGS: 00010293
[   66.538534][ T5832] RAX: ffffffff8215f523 RBX: 1ffff1100e60d034 RCX: ffff888035dbda00
[   66.546541][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   66.554580][ T5832] RBP: 0000000000000000 R08: ffffffff8215f4a3 R09: 1ffff11006be28ee
[   66.562610][ T5832] R10: dffffc0000000000 R11: ffffed1006be28ef R12: ffff8880730681a0
[   66.570623][ T5832] R13: 1ffff1100f8e05c4 R14: ffff888073068158 R15: dffffc0000000000
[   66.578661][ T5832] FS:  000055557644d480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   66.587647][ T5832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.594304][ T5832] CR2: 00007fffd8aacfb8 CR3: 000000007b40e000 CR4: 00000000003526f0
[   66.602308][ T5832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   66.610359][ T5832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   66.618400][ T5832] Call Trace:
[   66.621716][ T5832]  <TASK>
[   66.624704][ T5832]  ? __warn+0x168/0x4e0
[   66.628888][ T5832]  ? drop_nlink+0xc4/0x110
[   66.633398][ T5832]  ? report_bug+0x2b3/0x500
[   66.637938][ T5832]  ? drop_nlink+0xc4/0x110
[   66.642355][ T5832]  ? handle_bug+0x60/0x90
[   66.646724][ T5832]  ? exc_invalid_op+0x1a/0x50
[   66.651425][ T5832]  ? asm_exc_invalid_op+0x1a/0x20
[   66.656516][ T5832]  ? drop_nlink+0x43/0x110
[   66.660952][ T5832]  ? drop_nlink+0xc3/0x110
[   66.665458][ T5832]  ? drop_nlink+0xc4/0x110
[   66.669894][ T5832]  nilfs_rmdir+0x1b0/0x250
[   66.674380][ T5832]  ? __pfx_nilfs_rmdir+0x10/0x10
[   66.679336][ T5832]  ? down_write+0x18c/0x220
[   66.683878][ T5832]  ? do_raw_spin_unlock+0x13c/0x8b0
[   66.689111][ T5832]  ? bpf_lsm_inode_rmdir+0x9/0x10
[   66.694202][ T5832]  ? security_inode_rmdir+0xd9/0x340
[   66.699527][ T5832]  vfs_rmdir+0x3a3/0x510
[   66.703834][ T5832]  do_rmdir+0x3b5/0x580
[   66.708006][ T5832]  ? __pfx_do_rmdir+0x10/0x10
[   66.712768][ T5832]  ? getname_flags+0x1e3/0x540
[   66.717555][ T5832]  __x64_sys_rmdir+0x47/0x50
[   66.722149][ T5832]  do_syscall_64+0xf3/0x230
[   66.726693][ T5832]  ? clear_bhb_loop+0x35/0x90
[   66.731396][ T5832]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   66.737361][ T5832] RIP: 0033:0x7f88d002d507
[   66.741803][ T5832] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   66.761551][ T5832] RSP: 002b:00007fffd8aac128 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[   66.770085][ T5832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88d002d507
[   66.778118][ T5832] RDX: 0000000000008790 RSI: 0000000000000000 RDI: 00007fffd8aad2d0
[   66.786141][ T5832] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[   66.794166][ T5832] R10: 0000000000001000 R11: 0000000000000207 R12: 00007fffd8aad2d0
[   66.802135][ T5832] R13: 000055557645e840 R14: 431bde82d7b634db R15: 00007fffd8aaf450
[   66.810179][ T5832]  </TASK>
[   66.813253][ T5832] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   66.820555][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor320 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
[   66.831311][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[   66.841363][ T5832] Call Trace:
[   66.844636][ T5832]  <TASK>
[   66.847562][ T5832]  dump_stack_lvl+0x241/0x360
[   66.852249][ T5832]  ? __pfx_dump_stack_lvl+0x10/0x10
[   66.857438][ T5832]  ? __pfx__printk+0x10/0x10
[   66.862017][ T5832]  ? _printk+0xd5/0x120
[   66.866165][ T5832]  ? __init_begin+0x41000/0x41000
[   66.871188][ T5832]  ? vscnprintf+0x5d/0x90
[   66.875525][ T5832]  panic+0x349/0x880
[   66.879421][ T5832]  ? __warn+0x177/0x4e0
[   66.883578][ T5832]  ? __pfx_panic+0x10/0x10
[   66.887989][ T5832]  ? show_trace_log_lvl+0x3b2/0x410
[   66.893196][ T5832]  __warn+0x34b/0x4e0
[   66.897176][ T5832]  ? drop_nlink+0xc4/0x110
[   66.901598][ T5832]  report_bug+0x2b3/0x500
[   66.905942][ T5832]  ? drop_nlink+0xc4/0x110
[   66.910370][ T5832]  handle_bug+0x60/0x90
[   66.914538][ T5832]  exc_invalid_op+0x1a/0x50
[   66.919048][ T5832]  asm_exc_invalid_op+0x1a/0x20
[   66.923913][ T5832] RIP: 0010:drop_nlink+0xc4/0x110
[   66.928942][ T5832] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 df e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 6d f4 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   66.948546][ T5832] RSP: 0018:ffffc90003ce7c70 EFLAGS: 00010293
[   66.954612][ T5832] RAX: ffffffff8215f523 RBX: 1ffff1100e60d034 RCX: ffff888035dbda00
[   66.962581][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   66.970556][ T5832] RBP: 0000000000000000 R08: ffffffff8215f4a3 R09: 1ffff11006be28ee
[   66.978531][ T5832] R10: dffffc0000000000 R11: ffffed1006be28ef R12: ffff8880730681a0
[   66.986504][ T5832] R13: 1ffff1100f8e05c4 R14: ffff888073068158 R15: dffffc0000000000
[   66.994478][ T5832]  ? drop_nlink+0x43/0x110
[   66.998891][ T5832]  ? drop_nlink+0xc3/0x110
[   67.003325][ T5832]  nilfs_rmdir+0x1b0/0x250
[   67.007762][ T5832]  ? __pfx_nilfs_rmdir+0x10/0x10
[   67.012703][ T5832]  ? down_write+0x18c/0x220
[   67.017207][ T5832]  ? do_raw_spin_unlock+0x13c/0x8b0
[   67.022408][ T5832]  ? bpf_lsm_inode_rmdir+0x9/0x10
[   67.027429][ T5832]  ? security_inode_rmdir+0xd9/0x340
[   67.032716][ T5832]  vfs_rmdir+0x3a3/0x510
[   67.036959][ T5832]  do_rmdir+0x3b5/0x580
[   67.041124][ T5832]  ? __pfx_do_rmdir+0x10/0x10
[   67.045810][ T5832]  ? getname_flags+0x1e3/0x540
[   67.050583][ T5832]  __x64_sys_rmdir+0x47/0x50
[   67.055176][ T5832]  do_syscall_64+0xf3/0x230
[   67.059677][ T5832]  ? clear_bhb_loop+0x35/0x90
[   67.064355][ T5832]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   67.070279][ T5832] RIP: 0033:0x7f88d002d507
[   67.074695][ T5832] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   67.094294][ T5832] RSP: 002b:00007fffd8aac128 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[   67.102711][ T5832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88d002d507
[   67.110701][ T5832] RDX: 0000000000008790 RSI: 0000000000000000 RDI: 00007fffd8aad2d0
[   67.118681][ T5832] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[   67.126648][ T5832] R10: 0000000000001000 R11: 0000000000000207 R12: 00007fffd8aad2d0
[   67.134615][ T5832] R13: 000055557645e840 R14: 431bde82d7b634db R15: 00007fffd8aaf450
[   67.142598][ T5832]  </TASK>
[   67.145988][ T5832] Kernel Offset: disabled
[   67.150353][ T5832] Rebooting in 86400 seconds..