WARNING: CPU: 0 PID: 11214 at arch/x86/kernel/traps.c:800 cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
WARNING: CPU: 0 PID: 11214 at arch/x86/kernel/traps.c:800 do_debug+0x1e2/0x220 arch/x86/kernel/traps.c:814
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 11214 Comm: syz-executor3 Not tainted 4.15.0-rc3-next-20171214+ #67
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+0xe9/0x14b lib/dump_stack.c:53
 panic+0x10e/0x2f8 kernel/panic.c:183
 __warn+0x14e/0x150 kernel/panic.c:547
 report_bug+0x11e/0x1a0 lib/bug.c:184
 fixup_bug.part.11+0x17/0x30 arch/x86/kernel/traps.c:177
 fixup_bug arch/x86/kernel/traps.c:246 [inline]
 do_error_trap+0x14a/0x180 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
RIP: 0010:do_debug+0x1e2/0x220 arch/x86/kernel/traps.c:814
RSP: 0018:fffffffffe507f20 EFLAGS: 00010246
RAX: 0000000000006001 RBX: fffffffffe507f58 RCX: 0000000000000000
RDX: ffff8801fcb3e300 RSI: 0000000000000001 RDI: ffff8801fcb3e300
RBP: fffffffffe507f48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801fcb3e300
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 debug+0x34/0x60 arch/x86/entry/entry_64.S:1232
RIP: 0010:ptrace_request+0x2fd/0x730 kernel/ptrace.c:1080
RSP: 0018:ffffc900011c3e28 EFLAGS: 00000246
RAX: 0000000020000ff8 RBX: 0000000000004205 RCX: ffffffff811d5743
RDX: 000000000000003e RSI: ffffc90002f8b000 RDI: ffff8801fd52a280
RBP: ffffc900011c3ee8 R08: 0000000000000001 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801fd52a280
R13: 0000000020000000 R14: 0000000000000001 R15: 0000000000000000
 </#DB>
 arch_ptrace+0x2c1/0x3a0 arch/x86/kernel/ptrace.c:877
 SYSC_ptrace kernel/ptrace.c:1145 [inline]
 SyS_ptrace+0xec/0x130 kernel/ptrace.c:1110
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a09
RSP: 002b:00007f18e0eaec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000065
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000004205
RBP: 000000000000040c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006f31c0
R13: 00000000ffffffff R14: 00007f18e0eaf6d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..