F2FS-fs (loop2): Cannot turn on quotas: error -22
F2FS-fs (loop2): Try to recover 2th superblock, ret: 0
F2FS-fs (loop2): Mounted with checkpoint version = 753bd00b
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8420 Comm: syz.2.1121 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:363 [inline]
 locked_inode_to_wb_and_lock_list+0x1b0/0x2e0 fs/fs-writeback.c:316
 __mark_inode_dirty+0x4c0/0x1070 fs/fs-writeback.c:2504
 mark_inode_dirty_sync include/linux/fs.h:2472 [inline]
 f2fs_mark_inode_dirty_sync+0x118/0x12c fs/f2fs/inode.c:36
 f2fs_i_links_write fs/f2fs/f2fs.h:2891 [inline]
 f2fs_drop_nlink+0x114/0x300 fs/f2fs/dir.c:911
 f2fs_delete_inline_entry+0x3dc/0x4f0 fs/f2fs/inline.c:707
 f2fs_delete_entry+0x294/0xd5c fs/f2fs/dir.c:942
 f2fs_unlink+0x2c4/0x950 fs/f2fs/namei.c:576
 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4280
 ovl_do_unlink fs/overlayfs/overlayfs.h:137 [inline]
 ovl_cleanup+0x94/0x150 fs/overlayfs/dir.c:34
 ovl_check_rename_whiteout fs/overlayfs/super.c:1307 [inline]
 ovl_make_workdir fs/overlayfs/super.c:1411 [inline]
 ovl_get_workdir+0x6a8/0xe8c fs/overlayfs/super.c:1526
 ovl_fill_super+0x139c/0x2294 fs/overlayfs/super.c:2082
 mount_nodev+0x68/0x104 fs/super.c:1446
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2173
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3014
 path_mount+0x5b4/0x1000 fs/namespace.c:3344
 do_mount fs/namespace.c:3357 [inline]
 __do_sys_mount fs/namespace.c:3565 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
bridge0: port 3(syz_tun) entered disabled state
device syz_tun left promiscuous mode
bridge0: port 3(syz_tun) entered disabled state