BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
CPU: 0 PID: 22041 Comm: syz-executor.4 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 alloc_list_entry kernel/locking/lockdep.c:1351 [inline]
 add_lock_to_list.constprop.0.cold+0x11/0x18 kernel/locking/lockdep.c:1372
 check_prev_add kernel/locking/lockdep.c:2940 [inline]
 check_prevs_add kernel/locking/lockdep.c:2993 [inline]
 validate_chain kernel/locking/lockdep.c:3608 [inline]
 __lock_acquire+0x2f4e/0x54f0 kernel/locking/lockdep.c:4832
 lock_acquire kernel/locking/lockdep.c:5437 [inline]
 lock_acquire+0x29d/0x740 kernel/locking/lockdep.c:5402
 kernfs_drain fs/kernfs/dir.c:468 [inline]
 __kernfs_remove+0x861/0xa90 fs/kernfs/dir.c:1322
 kernfs_remove_by_name_ns+0x51/0xb0 fs/kernfs/dir.c:1515
 kernfs_remove_by_name include/linux/kernfs.h:593 [inline]
 remove_files+0x96/0x1c0 fs/sysfs/group.c:28
 sysfs_remove_group+0x87/0x170 fs/sysfs/group.c:289
 sysfs_remove_groups fs/sysfs/group.c:313 [inline]
 sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:305
 __kobject_del+0x89/0x200 lib/kobject.c:611
 kobject_del lib/kobject.c:643 [inline]
 kobject_del+0x3c/0x60 lib/kobject.c:635
 f2fs_unregister_sysfs+0x112/0x180 fs/f2fs/sysfs.c:970
 f2fs_put_super+0xa9/0xd50 fs/f2fs/super.c:1241
 generic_shutdown_super+0x144/0x370 fs/super.c:464
 kill_block_super+0x97/0xf0 fs/super.c:1393
 kill_f2fs_super+0x268/0x350 fs/f2fs/super.c:3985
 deactivate_locked_super+0x94/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x3a3/0x530 fs/namespace.c:1118
 task_work_run+0xdd/0x190 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x460c47
Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdb3625d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000460c47
RDX: 00000000004033a8 RSI: 0000000000000002 RDI: 00007ffdb3625e20
RBP: 00000000000aa41d R08: 0000000000000000 R09: 0000000000000008
R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffdb3626ed0
R13: 00000000022b2a60 R14: 0000000000000000 R15: 00000000000aa0e0