------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 6014 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline] WARNING: CPU: 1 PID: 6014 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline] WARNING: CPU: 1 PID: 6014 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Modules linked in: CPU: 1 UID: 0 PID: 6014 Comm: udevd Not tainted 6.14.0-rc7-syzkaller-00179-gb3ee1e460951 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4852 [inline] RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Code: 00 00 83 3d 01 4f a0 0e 00 75 23 90 48 c7 c7 40 b2 2a 8c 48 c7 c6 40 b5 2a 8c e8 97 bc e4 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f RSP: 0018:ffffc900044b7810 EFLAGS: 00010046 RAX: 07838516e0889000 RBX: 0000000000001b20 RCX: ffff88801e721e00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c1b20 R08: ffffffff81819e52 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88801e7228d4 R13: 0000000000000000 R14: 1ffff11003ce4522 R15: ffff88801e722910 FS: 00007f75991f8c80(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000001e000 CR3: 000000005b5be000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline] rq_lock kernel/sched/sched.h:1852 [inline] __schedule+0x357/0x4c90 kernel/sched/core.c:6688 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7087 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x70 kernel/kcov.c:213 Code: 00 00 00 48 8b 3d e4 52 93 0c 48 89 de 5b e9 93 e5 5b 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 04 24 65 48 8b 0c 25 80 d6 03 00 65 8b 15 f0 f5 41 7e 81 e2 RSP: 0018:ffffc900044b7e30 EFLAGS: 00000282 RAX: ffffffff84a5b847 RBX: 1ffff110051d69e5 RCX: ffff88801e721e00 RDX: 0000000000000000 RSI: 0000000000000384 RDI: ffff888028eb4e00 RBP: 0000000000000000 R08: ffffffff84b03b18 R09: 1ffff110038d0820 R10: dffffc0000000000 R11: ffffed10038d0821 R12: ffff8880349bfb80 R13: ffff888028eb4e48 R14: ffff888028eb4f28 R15: dffffc0000000000 security_file_free+0xab/0x1d0 security/security.c:2893 file_free fs/file_table.c:68 [inline] __fput+0x63f/0x9f0 fs/file_table.c:477 __do_sys_close fs/open.c:1580 [inline] __se_sys_close fs/open.c:1565 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1565 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f75993170a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffd40a8f518 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f75993170a8 RDX: 00000000000a0241 RSI: 00007ffd40a90148 RDI: 0000000000000009 RBP: 00007ffd40a90148 R08: 00007ffd40a90180 R09: 00007ffd40a8f948 R10: 0000000000000124 R11: 0000000000000246 R12: 00007ffd40a8f548 R13: 0000556ff36ca320 R14: 0000556ff36bdc70 R15: 0000000000000001 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 48 8b add %cl,-0x75(%rax) 5: 3d e4 52 93 0c cmp $0xc9352e4,%eax a: 48 89 de mov %rbx,%rsi d: 5b pop %rbx e: e9 93 e5 5b 00 jmp 0x5be5a6 13: 0f 1f 00 nopl (%rax) 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: f3 0f 1e fa endbr64 * 2a: 48 8b 04 24 mov (%rsp),%rax <-- trapping instruction 2e: 65 48 8b 0c 25 80 d6 mov %gs:0x3d680,%rcx 35: 03 00 37: 65 8b 15 f0 f5 41 7e mov %gs:0x7e41f5f0(%rip),%edx # 0x7e41f62e 3e: 81 .byte 0x81 3f: e2 .byte 0xe2