------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 0 PID: 13170 at kernel/locking/lockdep.c:3765 __lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 13170 Comm: udevd Not tainted 5.2.0-rc1+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x744 kernel/panic.c:219
 __warn.cold+0x20/0x4d kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:__lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765
Code: d2 0f 85 c7 2c 00 00 44 8b 3d 67 a2 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c1 6b 87 48 c7 c7 00 98 6b 87 e8 09 d5 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 47 88 0e 09 85 c9
RSP: 0018:ffff8880ae8099d0 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff815ac7e6 RDI: ffffed1015d0132c
RBP: ffff8880ae809b80 R08: ffff88808f142340 R09: fffffbfff11730e9
R10: fffffbfff11730e8 R11: ffffffff88b98743 R12: 000000005146bf09
R13: 0000000000000001 R14: 00000000000c3f09 R15: 0000000000000000
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4303
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:338 [inline]
 __queue_work+0xaa3/0x1200 kernel/workqueue.c:1446
 queue_work_on+0x192/0x200 kernel/workqueue.c:1518
 queue_work include/linux/workqueue.h:494 [inline]
 rxrpc_peer_keepalive_timeout net/rxrpc/net_ns.c:41 [inline]
 rxrpc_peer_keepalive_timeout+0x97/0xd0 net/rxrpc/net_ns.c:35
 call_timer_fn+0x193/0x720 kernel/time/timer.c:1322
 expire_timers kernel/time/timer.c:1366 [inline]
 __run_timers kernel/time/timer.c:1685 [inline]
 __run_timers kernel/time/timer.c:1653 [inline]
 run_timer_softirq+0x66f/0x1740 kernel/time/timer.c:1698
 __do_softirq+0x25c/0x94c kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:374 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:414
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:102
Code: 90 90 90 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 c0 fd 01 00 65 8b 15 00 59 91 7e 81 e2 00 01 1f 00 75 2b 8b 90 e0 12 00 00 <83> fa 02 75 20 48 8b 88 e8 12 00 00 8b 80 e4 12 00 00 48 8b 11 48
RSP: 0018:ffff888064727860 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f142340 RBX: 0000000000000008 RCX: ffffffff82fd5932
RDX: 0000000000000000 RSI: ffffffff82fd5945 RDI: 0000000000000005
RBP: ffff888064727860 R08: ffff88808f142340 R09: ffffed100c8e4f23
R10: ffffed100c8e4f22 R11: 0000000000000000 R12: ffff8880a87f2800
R13: 0000000000000022 R14: 00000000000002a9 R15: 0000000000000000
 tomoyo_domain_quota_is_ok+0x325/0x540 security/tomoyo/util.c:1068
 tomoyo_supervisor+0x2e8/0xef0 security/tomoyo/common.c:2087
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission security/tomoyo/file.c:587 [inline]
 tomoyo_path_permission+0x263/0x360 security/tomoyo/file.c:573
 tomoyo_path_perm+0x31d/0x430 security/tomoyo/file.c:838
 tomoyo_path_unlink+0x9b/0xe0 security/tomoyo/tomoyo.c:156
 security_path_unlink+0xfa/0x160 security/security.c:1005
 do_unlinkat+0x3b7/0x6d0 fs/namei.c:4058
 __do_sys_unlink fs/namei.c:4108 [inline]
 __se_sys_unlink fs/namei.c:4106 [inline]
 __x64_sys_unlink+0x42/0x50 fs/namei.c:4106
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efded8585d7
Code: 48 3d 00 f0 ff ff 77 03 48 98 c3 48 8b 15 59 38 2b 00 f7 d8 64 89 02 48 83 c8 ff c3 90 90 90 90 90 90 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 38 2b 00 31 d2 48 29 c2 64
RSP: 002b:00007fff6b54bea8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 000000000237e620 RCX: 00007efded8585d7
RDX: 00007fff6b54bed5 RSI: 000000000041cce6 RDI: 00007fff6b54bec0
RBP: 0000000002365250 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000785d
R13: 0000000000625500 R14: 0000000002365250 R15: 000000000000000b
Kernel Offset: disabled
Rebooting in 86400 seconds..