------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 0 PID: 24808 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: 24808 Comm: syz-executor.2 Not tainted 5.2.0-rc2+ #6
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 e7 a6 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c4 6b 87 48 c7 c7 00 9b 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: 0000:ffff8880ae809a10 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff815ac7e6 RDI: ffffed1015d01334
RBP: ffff8880ae809bc0 R08: ffff88805e63c380 R09: fffffbfff1173159
R10: fffffbfff1173158 R11: ffffffff88b98ac3 R12: 00000000a3941909
R13: 0000000000000001 R14: 00000000000c3909 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
 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1616
 call_timer_fn+0x193/0x720 kernel/time/timer.c:1322
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers kernel/time/timer.c:1685 [inline]
 __run_timers kernel/time/timer.c:1653 [inline]
 run_timer_softirq+0x462/0x1740 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: 0023:0x80530d6
Code: 39 34 24 77 dc 8b 74 24 04 83 e8 08 39 f2 72 a4 76 18 8b 74 24 04 8d b6 00 00 00 00 83 e8 08 8b 50 04 8b 08 39 f2 77 f4 72 8a <3b> 0c 24 77 ed 39 d8 77 89 8b 4c 24 18 8b 54 24 14 89 d8 e8 a2 fe
RSP: 002b:000000000847fb40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 00000000f7cba2d8 RBX: 00000000f7b1ebf0 RCX: 0000000083354ea7
RDX: 00000000ffffffff RSI: 00000000ffffffff RDI: 00000000f7b1ebf8
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..