WARNING: CPU: 0 PID: 10634 at arch/x86/kernel/traps.c:801 cond_local_irq_disable arch/x86/kernel/traps.c:86 [inline]
WARNING: CPU: 0 PID: 10634 at arch/x86/kernel/traps.c:801 do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:815
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 10634 Comm: syz-executor2 Not tainted 4.15.0-rc5+ #237
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <#DB>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1061
RIP: 0010:cond_local_irq_disable arch/x86/kernel/traps.c:86 [inline]
RIP: 0010:do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:815
RSP: 0018:fffffe800000ee98 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: fffffe800000ef58 RCX: 0000000000000000
RDX: 1fffffd000001dfc RSI: 0000000000000001 RDI: ffffffff85ec81f8
RBP: fffffe800000ef48 R08: fffffe800000efe8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001
R13: ffff8801bf3be040 R14: 1fffffd000001dd8 R15: 0000000000004000
 debug+0x34/0x60 arch/x86/entry/entry_64.S:1214
RIP: 0010:__put_user_8+0x1f/0x25 arch/x86/lib/putuser.S:83
RSP: 0018:ffff8801a945ff28 EFLAGS: 00000293
RAX: 000000005a418c52 RBX: 00007fffffffeff9 RCX: 0000000020000000
RDX: 0000000000000027 RSI: ffffc900047f4000 RDI: 0000000000000282
RBP: ffff8801a945ff48 R08: ffff8801db420400 R09: 1ffff1003528bfc2
R10: ffff8801a945fad0 R11: 0000000000000000 R12: 000000005a418c52
R13: 0000000020000000 R14: 00007fbeb7a046d4 R15: 0000000000000000
 </#DB>
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452ac9
RSP: 002b:00007fbeb7a03c58 EFLAGS: 00000212 ORIG_RAX: 00000000000000c9
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 0000000000000586 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f5530
R13: 00000000ffffffff R14: 00007fbeb7a046d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..