overlayfs: upper fs does not support tmpfile.
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 6549 Comm: syz.3.432 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
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 remove_entity_load_avg kernel/sched/fair.c:4246 [inline]
 migrate_task_rq_fair+0x118/0x784 kernel/sched/fair.c:7546
 set_task_cpu+0x134/0x660 kernel/sched/core.c:3158
 try_to_wake_up+0x384/0xc68 kernel/sched/core.c:4222
 wake_up_process+0x18/0x24 kernel/sched/core.c:4362
 wake_up_worker kernel/workqueue.c:859 [inline]
 insert_work+0x2a4/0x37c kernel/workqueue.c:1369
 __queue_work+0xcbc/0x1234 kernel/workqueue.c:1520
 queue_work_on+0xc0/0x164 kernel/workqueue.c:1548
 queue_work include/linux/workqueue.h:512 [inline]
 loop_queue_work drivers/block/loop.c:893 [inline]
 loop_queue_rq+0x94c/0xa7c drivers/block/loop.c:1874
 __blk_mq_issue_directly block/blk-mq.c:2643 [inline]
 __blk_mq_try_issue_directly+0x408/0x67c block/blk-mq.c:2696
 blk_mq_try_issue_directly+0x3c/0x1d8 block/blk-mq.c:2720
 blk_mq_submit_bio+0xff4/0x1be0 block/blk-mq.c:3057
 __submit_bio+0x1d8/0x260 block/blk-core.c:591
 __submit_bio_noacct_mq block/blk-core.c:668 [inline]
 submit_bio_noacct_nocheck+0x654/0xa14 block/blk-core.c:697
 submit_bio_noacct+0xcc0/0x16bc block/blk-core.c:808
 submit_bio+0x29c/0x3d0 block/blk-core.c:853
 submit_bh_wbc+0x384/0x44c fs/buffer.c:2702
 submit_bh fs/buffer.c:2707 [inline]
 __bread_slow fs/buffer.c:1177 [inline]
 __bread_gfp+0xe4/0x2e0 fs/buffer.c:1370
 sb_bread_unmovable include/linux/buffer_head.h:344 [inline]
 ntfs_bread fs/ntfs3/fsntfs.c:994 [inline]
 ntfs_read_run_nb+0x3ac/0xb9c fs/ntfs3/fsntfs.c:1214
 ntfs_read_bh+0x58/0x288 fs/ntfs3/fsntfs.c:1282
 mi_read+0x16c/0x4f0 fs/ntfs3/record.c:133
 mi_format_new+0x180/0x4f8 fs/ntfs3/record.c:414
 ntfs_new_inode+0x78/0x118 fs/ntfs3/fsntfs.c:1671
 ntfs_create_inode+0x404/0x27bc fs/ntfs3/inode.c:1311
 ntfs_create+0x54/0x74 fs/ntfs3/namei.c:110
 vfs_create+0x2bc/0x438 fs/namei.c:3192
 ovl_do_create+0x90/0xe0 fs/overlayfs/overlayfs.h:176
 ovl_create_real+0x178/0x3bc fs/overlayfs/dir.c:188
 ovl_create_temp+0x64/0x78 fs/overlayfs/dir.c:230
 ovl_check_rename_whiteout fs/overlayfs/super.c:1289 [inline]
 ovl_make_workdir fs/overlayfs/super.c:1424 [inline]
 ovl_get_workdir+0x5cc/0x10bc fs/overlayfs/super.c:1539
 ovl_fill_super+0x1390/0x2240 fs/overlayfs/super.c:2095
 mount_nodev+0x68/0x104 fs/super.c:1489
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5bc/0xe80 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
overlayfs: upper fs does not support RENAME_WHITEOUT.