WARNING: CPU: 1 PID: 6304 at arch/x86/kernel/traps.c:780 cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
WARNING: CPU: 1 PID: 6304 at arch/x86/kernel/traps.c:780 do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:794
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6304 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #216
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:177
 fixup_bug arch/x86/kernel/traps.c:246 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:930
RIP: 0010:cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
RIP: 0010:do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:794
RSP: 0018:ffff8801db50fe98 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8801db50ff58 RCX: 0000000000000000
RDX: 1ffff1003b6a1ffc RSI: 0000000000000001 RDI: ffffffff85ecb998
RBP: ffff8801db50ff48 R08: ffff8801db50ffe8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001
R13: ffff8801c2f06400 R14: 1ffff1003b6a1fd8 R15: 0000000000004000
 debug+0x34/0x70 arch/x86/entry/entry_64.S:1083
RIP: 0010:__put_user_4+0x1e/0x30 arch/x86/lib/putuser.S:70
RSP: 0018:ffff8801c390ff00 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 00007fffffffeffd RCX: 0000000020000000
RDX: 0000000000000028 RSI: ffffc90002c21000 RDI: 0000000000000282
RBP: ffff8801c390ff48 R08: ffff8801c1e3b958 R09: 1ffff10038721fb5
R10: ffff8801c2f06400 R11: 0000000000000000 R12: ffff8801c7822500
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000020000000
 </#DB>
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f323e4fec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000073
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 000000000000014a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006eff90
R13: 00000000ffffffff R14: 00007f323e4ff6d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..