XFS (loop7): Unmounting Filesystem
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 5020 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c 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:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 down_read+0x64/0x300 kernel/locking/rwsem.c:1520
 xlog_cil_commit+0x518/0x2910 fs/xfs/xfs_log_cil.c:1632
 __xfs_trans_commit+0x768/0xe6c fs/xfs/xfs_trans.c:1004
 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:1048
 xfs_sync_sb+0xf8/0x168 fs/xfs/libxfs/xfs_sb.c:1065
 xfs_log_cover fs/xfs/xfs_log.c:1264 [inline]
 xfs_log_quiesce+0x52c/0x7f0 fs/xfs/xfs_log.c:1073
 xfs_log_clean+0xa8/0xae0 fs/xfs/xfs_log.c:1080
 xfs_log_unmount+0x34/0x194 fs/xfs/xfs_log.c:1095
 xfs_unmountfs+0x1ac/0x24c fs/xfs/xfs_mount.c:1096
 xfs_fs_put_super+0x78/0x260 fs/xfs/xfs_super.c:1118
 generic_shutdown_super+0x130/0x324 fs/super.c:501
 kill_block_super+0x70/0xdc fs/super.c:1470
 deactivate_locked_super+0xac/0x120 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x390/0x418 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1ec/0x278 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x1fa0/0x2aa4 arch/arm64/kernel/signal.c:1137
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585