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
CPU: 0 PID: 6349 Comm: kworker/0:5 Not tainted 4.18.0-rc8+ #182
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3249
Code: 48 c1 ea 03 80 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 20 48 8d bb 48 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 
RSP: 0018:ffff8801bf99f5a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000069 RSI: ffffffff8504fa6f RDI: 0000000000000348
RBP: ffff8801bf99f5d8 R08: ffff8801d0732db8 R09: 0000000000000006
R10: ffff8801d0732580 R11: 0000000000000000 R12: ffff8801bf99f688
R13: ffff8801c9247040 R14: 0000000000000000 R15: ffff8801b61c0cf8
FS:  0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d5914 CR3: 0000000007e6a000 CR4: 00000000001406f0
Call Trace:
 smc_clcsock_accept net/smc/af_smc.c:701 [inline]
 smc_tcp_listen_work+0x218/0x1150 net/smc/af_smc.c:1114
 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153
 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296
 kthread+0x345/0x410 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 9c28f050f5c673dd ]---
RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3249
Code: 48 c1 ea 03 80 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 20 48 8d bb 48 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 
RSP: 0018:ffff8801bf99f5a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000069 RSI: ffffffff8504fa6f RDI: 0000000000000348
RBP: ffff8801bf99f5d8 R08: ffff8801d0732db8 R09: 0000000000000006
R10: ffff8801d0732580 R11: 0000000000000000 R12: ffff8801bf99f688
R13: ffff8801c9247040 R14: 0000000000000000 R15: ffff8801b61c0cf8
FS:  0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d5914 CR3: 0000000007e6a000 CR4: 00000000001406f0