IPv4: Oversized IP packet from 127.0.0.1
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 9427 Comm: syz-executor5 Not tainted 4.16.0-rc3+ #241
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_getsockopt+0x8b/0x110 net/smc/af_smc.c:1299
RSP: 0018:ffff8801bf057cc0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85a3b1b6
RDX: 0000000000000005 RSI: ffffc900031ca000 RDI: 0000000000000028
RBP: ffff8801bf057cf0 R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cdc7dac0
R13: 0000000000000084 R14: 000000000000000b R15: 0000000020000100
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f77a9b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000008452798 CR3: 00000001c68ae004 CR4: 00000000001626e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 C_SYSC_getsockopt net/compat.c:526 [inline]
 compat_SyS_getsockopt+0x2ed/0x420 net/compat.c:506
 do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 do_fast_syscall_32+0x3ec/0xf9f arch/x86/entry/common.c:392
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fcec99
RSP: 002b:00000000f77a909c EFLAGS: 00000286 ORIG_RAX: 000000000000016d
RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000000084
RDX: 000000000000000b RSI: 0000000020000100 RDI: 0000000020000080
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 8e 00 00 00 48 8b 9b 48 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 5d 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 
RIP: smc_getsockopt+0x8b/0x110 net/smc/af_smc.c:1299 RSP: ffff8801bf057cc0
---[ end trace c4063c0ed61565c1 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..