./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2921828533

<...>
Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts.
execve("./syz-executor2921828533", ["./syz-executor2921828533"], 0x7fff6af5eab0 /* 10 vars */) = 0
brk(NULL)                               = 0x55558a55f000
brk(0x55558a55fd00)                     = 0x55558a55fd00
arch_prctl(ARCH_SET_FS, 0x55558a55f380) = 0
set_tid_address(0x55558a55f650)         = 5834
set_robust_list(0x55558a55f660, 24)     = 0
rseq(0x55558a55fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2921828533", 4096) = 28
getrandom("\x1d\x51\x13\x45\xc8\x49\x7c\x57", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558a55fd00
brk(0x55558a580d00)                     = 0x55558a580d00
brk(0x55558a581000)                     = 0x55558a581000
mprotect(0x7fdc5cb1c000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.TGkvjw", 0700)       = 0
chmod("./syzkaller.TGkvjw", 0777)       = 0
chdir("./syzkaller.TGkvjw")             = 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 5836 attached
 <unfinished ...>
[pid  5836] set_robust_list(0x55558a55f660, 24) = 0
[pid  5836] chdir("./0")                = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5836] setpgid(0, 0 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x55558a55f650) = 5836
[pid  5836] <... setpgid resumed>)      = 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)                    = 0
[pid  5836] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5836] write(1, "executing program\n", 18) = 18
[pid  5836] memfd_create("syzkaller", 0) = 3
[pid  5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdc54600000
[pid  5836] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5836] munmap(0x7fdc54600000, 138412032) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5836] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5836] close(3)                    = 0
[pid  5836] close(4)                    = 0
[pid  5836] mkdir("./bus", 0777)        = 0
[pid  5836] mount("/dev/loop0", "./bus", "ntfs3", 0, "") = 0
[pid  5836] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5836] chdir("./bus")              = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_APPEND|O_SYNC, 000) = 4
[   90.838327][ T5836] loop0: detected capacity change from 0 to 4096
[pid  5836] mkdir(".", 0777)            = -1 EEXIST (File exists)
[pid  5836] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = 0
[pid  5836] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 5
[pid  5836] chdir(".")                  = 0
[pid  5836] open(".", O_RDONLY)         = 6
[pid  5836] fcntl(6, F_NOTIFY, DN_ACCESS|DN_MODIFY|DN_CREATE|DN_DELETE|DN_RENAME|DN_MULTISHOT) = 0
[pid  5836] open("./file0", O_RDONLY|O_CREAT|O_NONBLOCK|O_NOFOLLOW|O_NOATIME, 000) = -1 EINVAL (Invalid argument)
[pid  5836] exit_group(0)               = ?
[pid  5836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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
[   90.939647][ T5836] ntfs3(loop0): ino=5, "/" mi_enum_attr
[   90.945664][ T5836] ntfs3(loop0): Mark volume as dirty due to NTFS errors
getdents64(3, 0x55558a5606f0 /* 4 entries */, 32768) = 104
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/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x55558a568730 /* 2 entries */, 32768) = 48
getdents64(4, 0x55558a568730 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./0/bus")                        = 0
getdents64(3, 0x55558a5606f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
[   91.034000][   T13] ------------[ cut here ]------------
[   91.039635][   T13] kernel BUG at fs/notify/dnotify/dnotify.c:134!
[   91.047794][   T13] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[   91.054186][   T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.16.0-rc3-next-20250625-syzkaller #0 PREEMPT(full) 
[   91.065631][   T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   91.075675][   T13] Workqueue: events_unbound fsnotify_mark_destroy_workfn
rmdir("./0")                            = 0
mkdir("./1", 0777)                      = 0
[   91.082713][   T13] RIP: 0010:dnotify_free_mark+0x58/0x60
[   91.088250][   T13] Code: 89 f7 e8 5b 2a db ff 49 83 3e 00 75 17 e8 00 15 77 ff 48 8b 3d 39 f2 72 0b 48 89 de 5b 41 5e e9 ae 63 d0 ff e8 e9 14 77 ff 90 <0f> 0b cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[   91.107846][   T13] RSP: 0018:ffffc900001279a8 EFLAGS: 00010293
[   91.113913][   T13] RAX: ffffffff8248a797 RBX: ffff888078e98000 RCX: ffff88801ceb0000
[   91.121892][   T13] RDX: 0000000000000000 RSI: ffffffff8d99260d RDI: ffff888078e98000
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
[   91.129876][   T13] RBP: ffffc90000127a70 R08: ffffffff8fa18d37 R09: 1ffffffff1f431a6
[   91.137846][   T13] R10: dffffc0000000000 R11: ffffffff8248a740 R12: 1ffff1100f1d3002
[   91.145808][   T13] R13: dffffc0000000000 R14: ffff888078e98080 R15: ffffffff8b9a0b28
[   91.153791][   T13] FS:  0000000000000000(0000) GS:ffff888125c21000(0000) knlGS:0000000000000000
[   91.162725][   T13] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.169330][   T13] CR2: 000055558a570738 CR3: 0000000075bfe000 CR4: 00000000003526f0
[   91.177335][   T13] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   91.185326][   T13] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   91.193319][   T13] Call Trace:
[   91.196617][   T13]  <TASK>
[   91.199551][   T13]  fsnotify_mark_destroy_workfn+0x255/0x2f0
[   91.205456][   T13]  ? __pfx_fsnotify_mark_destroy_workfn+0x10/0x10
[   91.211872][   T13]  ? _raw_spin_unlock_irq+0x23/0x50
[   91.217084][   T13]  ? process_scheduled_works+0x9ef/0x17b0
[   91.222808][   T13]  ? process_scheduled_works+0x9ef/0x17b0
[   91.228529][   T13]  process_scheduled_works+0xade/0x17b0
[   91.234089][   T13]  ? __pfx_process_scheduled_works+0x10/0x10
[   91.240083][   T13]  worker_thread+0x8a0/0xda0
[   91.244686][   T13]  kthread+0x711/0x8a0
[   91.248756][   T13]  ? __pfx_worker_thread+0x10/0x10
[   91.253872][   T13]  ? __pfx_kthread+0x10/0x10
[   91.258460][   T13]  ? _raw_spin_unlock_irq+0x23/0x50
[   91.263661][   T13]  ? lockdep_hardirqs_on+0x9c/0x150
[   91.268864][   T13]  ? __pfx_kthread+0x10/0x10
[   91.273450][   T13]  ret_from_fork+0x3fc/0x770
[   91.278044][   T13]  ? __pfx_ret_from_fork+0x10/0x10
[   91.283160][   T13]  ? __switch_to_asm+0x39/0x70
[   91.287920][   T13]  ? __switch_to_asm+0x33/0x70
[   91.292683][   T13]  ? __pfx_kthread+0x10/0x10
[   91.297267][   T13]  ret_from_fork_asm+0x1a/0x30
[   91.302031][   T13]  </TASK>
[   91.305052][   T13] Modules linked in:
[   91.309284][   T13] ---[ end trace 0000000000000000 ]---
[   91.315385][   T13] RIP: 0010:dnotify_free_mark+0x58/0x60
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
, child_tidptr=0x55558a55f650) = 5841
[pid  5841] set_robust_list(0x55558a55f660, 24) = 0
executing program
[pid  5841] chdir("./1")                = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] setpgid(0, 0)               = 0
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1000", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5841] write(1, "executing program\n", 18) = 18
[pid  5841] memfd_create("syzkaller", 0) = 3
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdc54600000
[   91.321016][   T13] Code: 89 f7 e8 5b 2a db ff 49 83 3e 00 75 17 e8 00 15 77 ff 48 8b 3d 39 f2 72 0b 48 89 de 5b 41 5e e9 ae 63 d0 ff e8 e9 14 77 ff 90 <0f> 0b cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[   91.341150][   T13] RSP: 0018:ffffc900001279a8 EFLAGS: 00010293
[   91.347315][   T13] RAX: ffffffff8248a797 RBX: ffff888078e98000 RCX: ffff88801ceb0000
[   91.355924][   T13] RDX: 0000000000000000 RSI: ffffffff8d99260d RDI: ffff888078e98000
[   91.364198][   T13] RBP: ffffc90000127a70 R08: ffffffff8fa18d37 R09: 1ffffffff1f431a6
[   91.372306][   T13] R10: dffffc0000000000 R11: ffffffff8248a740 R12: 1ffff1100f1d3002
[pid  5841] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[   91.381384][   T13] R13: dffffc0000000000 R14: ffff888078e98080 R15: ffffffff8b9a0b28
[   91.389684][   T13] FS:  0000000000000000(0000) GS:ffff888125d21000(0000) knlGS:0000000000000000
[   91.398922][   T13] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.406890][   T13] CR2: 00005633da8217a8 CR3: 0000000075bfe000 CR4: 00000000003526f0
[   91.415158][   T13] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   91.423443][   T13] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   91.431642][   T13] Kernel panic - not syncing: Fatal exception
[   91.437991][   T13] Kernel Offset: disabled
[   91.442311][   T13] Rebooting in 86400 seconds..