WARNING: CPU: 0 PID: 13815 at arch/x86/kernel/traps.c:801 cond_local_irq_disable arch/x86/kernel/traps.c:86 [inline]
WARNING: CPU: 0 PID: 13815 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: 13815 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #275
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:1096
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:fffffe000000ee98 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: fffffe000000ef58 RCX: 0000000000000000
RDX: 1fffffc000001dfc RSI: 0000000000000001 RDI: ffffffff868c8c78
RBP: fffffe000000ef48 R08: fffffe000000efe8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000c001
R13: ffff8801c513c680 R14: 1fffffc000001dd8 R15: 0000000000004000
 debug+0x34/0x60 arch/x86/entry/entry_64.S:1249
RIP: 0010:__get_user_8+0x1f/0x25 arch/x86/lib/getuser.S:87
RSP: 0018:ffff8801d3ca7e98 EFLAGS: 00000283
RAX: 0000000020000007 RBX: 0000000020000000 RCX: ffffffff8199dfe8
RDX: 0000000000000000 RSI: ffffc900018af000 RDI: 0000000000000282
RBP: ffff8801d3ca7f40 R08: ffff8801db227d00 R09: 1ffff1003a794fb0
R10: ffff8801d3ca7a40 R11: 0000000000000000 R12: 1ffff1003a794fd6
R13: 0000000020000ff8 R14: dffffc0000000000 R15: 0000000000000000
 </#DB>
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x452ef9
RSP: 002b:00007f0e8147bc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000084
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ef9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000020000ff8
RBP: 000000000000061f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f8388
R13: 00000000ffffffff R14: 00007f0e8147c6d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..