------------[ cut here ]------------
WARNING: CPU: 0 PID: 3045 at arch/x86/kernel/traps.c:776 cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
WARNING: CPU: 0 PID: 3045 at arch/x86/kernel/traps.c:776 do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:790
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3045 Comm: syz-executor6 Not tainted 4.14.0-rc5+ #142
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <#DB>
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:cond_local_irq_disable arch/x86/kernel/traps.c:85 [inline]
RIP: 0010:do_debug+0x4d8/0x6e0 arch/x86/kernel/traps.c:790
RSP: 0018:ffff8801db20fe98 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8801db20ff58 RCX: 0000000000000000
RDX: 1ffff1003b641ffc RSI: 0000000000000001 RDI: ffffffff85ac6398
RBP: ffff8801db20ff48 R08: ffff8801db20ffe8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000004001
R13: ffff8801cd8541c0 R14: 1ffff1003b641fd8 R15: 0000000000004000
 debug+0x34/0x70 arch/x86/entry/entry_64.S:1056
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180
RSP: 0018:ffff8801cd2cfe68 EFLAGS: 00010246
RAX: ffffed0039a59fe1 RBX: 0000000020000000 RCX: 000000000000003f
RDX: 0000000000000040 RSI: 0000000020000001 RDI: ffff8801cd2cfec9
RBP: ffff8801cd2cfe98 R08: ffffed0039a59fe1 R09: ffffed0039a59fe1
R10: 0000000000000008 R11: ffffed0039a59fe0 R12: 0000000000000040
R13: ffff8801cd2cfec8 R14: 00007ffffffff000 R15: 0000000020000040
 </#DB>
 copy_from_user include/linux/uaccess.h:146 [inline]
 SYSC_timer_create kernel/time/posix-timers.c:579 [inline]
 SyS_timer_create+0x89/0x120 kernel/time/posix-timers.c:572
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452719
RSP: 002b:00007f906f324be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452719
RDX: 0000000020000000 RSI: 0000000020000000 RDI: ffffffffffffffff
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3cf8
R13: 00000000ffffffff R14: 00007f906f3256d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..