WARNING: CPU: 0 PID: 28497 at arch/x86/kernel/traps.c:801 cond_local_irq_disable arch/x86/kernel/traps.c:86 [inline]
WARNING: CPU: 0 PID: 28497 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: 28497 Comm: syz-executor5 Not tainted 4.15.0-rc9+ #190
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: ffff8801a7d7e6c0 R14: 1fffffc000001dd8 R15: 0000000000004000
 debug+0x34/0x60 arch/x86/entry/entry_64.S:1249
RIP: 0010:__get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
RSP: 0018:ffff8801c5d7f5c0 EFLAGS: 00000287
RAX: 0000000020000003 RBX: 0000000000000004 RCX: ffffffff8199dfe8
RDX: 0000000000000004 RSI: ffffc900047f8000 RDI: 0000000000000282
RBP: ffff8801c5d7fa98 R08: ffff8801bfb84788 R09: 1ffff10038bafe95
R10: ffff8801c5d7f470 R11: 0000000000000000 R12: 1ffff10038bafebe
R13: 0000000020000000 R14: ffff8801bc85abc0 R15: 0000000000000000
 </#DB>
 compat_ip_getsockopt+0x9d/0x250 net/ipv4/ip_sockglue.c:1595
 compat_udp_getsockopt+0x45/0x80 net/ipv4/udp.c:2489
 compat_ipv6_getsockopt+0x105/0x390 net/ipv6/ipv6_sockglue.c:1397
 inet_csk_compat_getsockopt+0x95/0x120 net/ipv4/inet_connection_sock.c:1029
 compat_dccp_getsockopt+0x40/0x70 net/dccp/proto.c:707
 compat_sock_common_getsockopt+0xb2/0x140 net/core/sock.c:2938
 C_SYSC_getsockopt net/compat.c:523 [inline]
 compat_SyS_getsockopt+0x182/0x420 net/compat.c:506
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:129
RIP: 0023:0xf7fd6c79
RSP: 002b:00000000f77d208c EFLAGS: 00000296 ORIG_RAX: 000000000000016d
RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000020c55000 RDI: 0000000020000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..