------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 0 PID: 7878 at kernel/locking/lockdep.c:3673 __lock_acquire+0x1887/0x3fb0 kernel/locking/lockdep.c:3673
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7878 Comm: syz-executor.1 Not tainted 5.1.0-rc4+ #162
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/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 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:973
RIP: 0010:__lock_acquire+0x1887/0x3fb0 kernel/locking/lockdep.c:3673
Code: d2 0f 85 7b 1f 00 00 44 8b 3d 29 07 07 08 45 85 ff 0f 85 20 f3 ff ff 48 c7 c6 80 3f 6b 87 48 c7 c7 c0 15 6b 87 e8 07 e2 eb ff <0f> 0b e9 09 f3 ff ff 0f 0b e9 41 f1 ff ff 8b 1d 45 30 05 09 85 db
RSP: 0018:ffff8880ae807a90 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff815affc6 RDI: ffffed1015d00f44
RBP: ffff8880ae807bc8 R08: ffff8880a7f36440 R09: fffffbfff11335f5
R10: fffffbfff11335f4 R11: ffffffff8899afa3 R12: 0000000067919051
R13: 0000000000000030 R14: 00000000000c3051 R15: 0000000000000000
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 __queue_work+0x9ce/0x1180 kernel/workqueue.c:1446
 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1616
 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1358 [inline]
 __run_timers kernel/time/timer.c:1681 [inline]
 __run_timers kernel/time/timer.c:1649 [inline]
 run_timer_softirq+0x44c/0x1700 kernel/time/timer.c:1694
 __do_softirq+0x266/0x95a 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+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:preempt_count_equals kernel/sched/core.c:6124 [inline]
RIP: 0010:___might_sleep+0x60/0x280 kernel/sched/core.c:6157
Code: 51 77 0c 08 00 0f 84 72 01 00 00 65 44 8b 35 d7 01 b4 7e 65 4c 8b 3c 25 00 ee 01 00 49 8d bf 70 03 00 00 41 81 e6 ff ff ff 7f <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84
RSP: 0018:ffff888084297d10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff12bcc1b
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff8880a7f367b0
RBP: ffff888084297d38 R08: ffff8880a7f36440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87a17220
R13: 000000000000000a R14: 0000000000000000 R15: ffff8880a7f36440
 __might_sleep+0x95/0x190 kernel/sched/core.c:6143
 __might_fault+0xc6/0x1e0 mm/memory.c:4404
 _copy_from_user+0x30/0x150 lib/usercopy.c:10
 copy_from_user include/linux/uaccess.h:144 [inline]
 get_timespec64+0x7e/0x130 kernel/time/time.c:863
 __do_sys_nanosleep kernel/time/hrtimer.c:1759 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline]
 __x64_sys_nanosleep+0xb6/0x220 kernel/time/hrtimer.c:1754
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4863f0
Code: 00 00 48 c7 c0 d4 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb be 66 0f 1f 44 00 00 83 3d 61 03 5d 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 b4 e0 f8 ff c3 48 83 ec 08 e8 ea 53 fd ff
RSP: 002b:00007fff673a8968 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000005b167 RCX: 00000000004863f0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff673a8970
RBP: 00000000000005fb R08: 0000000000000001 R09: 000000000257b940
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b
R13: 00007fff673a89c0 R14: 000000000005afbd R15: 00007fff673a89d0
Kernel Offset: disabled
Rebooting in 86400 seconds..