------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 5381 at kernel/locking/lockdep.c:2079 print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2079 Modules linked in: CPU: 1 PID: 5381 Comm: syz-executor.0 Not tainted 6.5.0-rc7-syzkaller-00114-g90ca51e8c654 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2079 Code: 84 00 00 00 00 00 66 90 55 89 fd 53 e8 27 3f b6 02 89 c3 e8 60 fd ff ff 85 db 74 10 89 ee 48 c7 c7 60 85 6c 8a e8 7e e4 e6 ff <0f> 0b 5b 5d c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 b8 00 00 RSP: 0018:ffffc9000539ef78 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888024390000 RSI: ffffffff814ccc86 RDI: 0000000000000001 RBP: 00000000ffffffff R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888024390b18 R13: ffff888024390b40 R14: ffffc9000539f0b0 R15: ffffffff9184f370 FS: 0000555555ea6480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faaf7ac56be CR3: 0000000079a92000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_irq_usage+0x10c6/0x1c70 kernel/locking/lockdep.c:2832 check_prev_add kernel/locking/lockdep.c:3146 [inline] check_prevs_add kernel/locking/lockdep.c:3261 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0x2e53/0x5de0 kernel/locking/lockdep.c:5144 lock_acquire kernel/locking/lockdep.c:5761 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 alloc_object lib/debugobjects.c:233 [inline] lookup_object_or_alloc.part.0+0x3c8/0xaf0 lib/debugobjects.c:587 lookup_object_or_alloc lib/debugobjects.c:567 [inline] debug_object_activate+0x2e8/0x490 lib/debugobjects.c:719 debug_rcu_head_queue kernel/rcu/rcu.h:226 [inline] __call_rcu_common.constprop.0+0x2c/0x790 kernel/rcu/tree.c:2634 dentry_free+0xc2/0x160 fs/dcache.c:377 __dentry_kill+0x4c1/0x640 fs/dcache.c:621 shrink_dentry_list+0x235/0x7e0 fs/dcache.c:1201 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1282 super_cache_scan+0x332/0x560 fs/super.c:104 do_shrink_slab+0x422/0xaa0 mm/vmscan.c:900 shrink_slab_memcg mm/vmscan.c:969 [inline] shrink_slab+0x48b/0x6e0 mm/vmscan.c:1048 shrink_node_memcgs mm/vmscan.c:6491 [inline] shrink_node+0x874/0x3730 mm/vmscan.c:6524 shrink_zones mm/vmscan.c:6763 [inline] do_try_to_free_pages+0x3cf/0x1990 mm/vmscan.c:6825 try_to_free_mem_cgroup_pages+0x36f/0x850 mm/vmscan.c:7140 reclaim_high.constprop.0+0x190/0x240 mm/memcontrol.c:2403 mem_cgroup_handle_over_high+0x19a/0x510 mm/memcontrol.c:2588 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x14c/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:297 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7faaf6e79a93 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffc255fa398 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: 0000000000001d65 RBX: 0000000000000000 RCX: 00007faaf6e79a93 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000555555ea6750 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000