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: 4503 Comm: syzkaller463830 Not tainted 4.17.0-rc1+ #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287
RSP: 0018:ffff8801af847cc8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000020000000
RDX: 0000000000000005 RSI: ffffffff873e3bf6 RDI: 0000000000000028
RBP: ffff8801af847cf8 R08: 0000000000000000 R09: ffffed00360a8288
R10: ffffed00360a8288 R11: ffff8801b0541443 R12: ffff8801af847d40
R13: 0000000000000021 R14: 000000000000000d R15: 0000000020000000
FS:  0000000001842880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558be74dd090 CR3: 00000001b0101000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __sys_setsockopt+0x1bd/0x390 net/socket.c:1903
 __do_sys_setsockopt net/socket.c:1914 [inline]
 __se_sys_setsockopt net/socket.c:1911 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1911
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x43fd19
RSP: 002b:00007ffda23cf428 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd19
RDX: 000000000000000d RSI: 0000000000000021 RDI: 0000000000000004
RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
R10: 0000000020000000 R11: 0000000000000217 R12: 0000000000401640
R13: 00000000004016d0 R14: 0000000000000000 R15: 0000000000000000
Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 9b 50 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 62 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 
RIP: smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287 RSP: ffff8801af847cc8
---[ end trace 22bac354f04a5db0 ]---