F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8573 Comm: syz.0.211 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 seqcount_lockdep_reader_access+0xbc/0x104 include/linux/seqlock.h:72
 ktime_get+0x64/0x214 kernel/time/timekeeping.c:818
 hrtimer_cb_get_time include/linux/hrtimer.h:164 [inline]
 start_dl_timer+0x1b8/0x428 kernel/sched/deadline.c:1105
 update_curr_dl_se+0x364/0x5ec kernel/sched/deadline.c:1498
 dl_server_update+0x84/0xb0 kernel/sched/deadline.c:1582
 update_curr+0x338/0x600 kernel/sched/fair.c:1243
 put_prev_entity+0x54/0x258 kernel/sched/fair.c:5544
 pick_next_task_fair+0x548/0x804 kernel/sched/fair.c:8809
 __pick_next_task kernel/sched/core.c:6001 [inline]
 pick_next_task kernel/sched/core.c:6520 [inline]
 __schedule+0x660/0x2864 kernel/sched/core.c:6902
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x7c/0x80 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 loop_queue_work drivers/block/loop.c:853 [inline]
 loop_queue_rq+0x94c/0xaa8 drivers/block/loop.c:1878
 __blk_mq_issue_directly block/blk-mq.c:2695 [inline]
 blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2782
 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2803
 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2878
 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2961
 __blk_flush_plug+0x330/0x408 block/blk-core.c:1220
 blk_finish_plug block/blk-core.c:1247 [inline]
 __submit_bio+0x3f4/0x4d8 block/blk-core.c:649
 __submit_bio_noacct_mq block/blk-core.c:722 [inline]
 submit_bio_noacct_nocheck+0x390/0xaac block/blk-core.c:751
 submit_bio_noacct+0xc84/0x176c block/blk-core.c:874
 submit_bio+0x3b4/0x550 block/blk-core.c:916
 f2fs_submit_write_bio+0x13c/0x324 fs/f2fs/data.c:525
 __submit_merged_bio+0x254/0x704 fs/f2fs/data.c:540
 __f2fs_submit_merged_write fs/f2fs/data.c:635 [inline]
 __submit_merged_write_cond+0x23c/0x4ac fs/f2fs/data.c:657
 f2fs_submit_merged_write+0x38/0x48 fs/f2fs/data.c:667
 f2fs_sync_node_pages+0x1148/0x128c fs/f2fs/node.c:2141
 block_operations fs/f2fs/checkpoint.c:1276 [inline]
 f2fs_write_checkpoint+0xad4/0x16a0 fs/f2fs/checkpoint.c:1638
 f2fs_issue_checkpoint+0x2e8/0x420 fs/f2fs/checkpoint.c:-1
 f2fs_sync_fs+0x1e0/0x4f4 fs/f2fs/super.c:2004
 f2fs_rename fs/f2fs/namei.c:1081 [inline]
 f2fs_rename2+0x1758/0x1fb4 fs/f2fs/namei.c:1290
 vfs_rename+0x934/0xce0 fs/namei.c:5129
 ovl_do_rename fs/overlayfs/overlayfs.h:374 [inline]
 ovl_check_rename_whiteout fs/overlayfs/super.c:585 [inline]
 ovl_make_workdir fs/overlayfs/super.c:704 [inline]
 ovl_get_workdir+0x710/0x1280 fs/overlayfs/super.c:827
 ovl_fill_super+0xff4/0x2c38 fs/overlayfs/super.c:1406
 vfs_get_super fs/super.c:1325 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1344
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:699
 vfs_get_tree+0x90/0x28c fs/super.c:1815
 do_new_mount+0x278/0x7f4 fs/namespace.c:3805
 path_mount+0x5b4/0xde0 fs/namespace.c:4120
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount fs/namespace.c:4321 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4321
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596