kasan: CONFIG_KASAN_INLINE enabled
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
kasan: GPF could be caused by NULL-ptr deref or user memory access
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 20331 Comm: kworker/1:15 Not tainted 4.20.0-rc2+ #187
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 31 80 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 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
RSP: 0018:ffff8881901af5b0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881ba2ff680 RCX: 1ffff11039dc3969
RDX: 0000000000000004 RSI: ffffffff862407af RDI: 0000000000000020
RBP: ffff8881901af5e0 R08: ffff8881cee1cb48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881cee1c280 R12: ffff8881901af690
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881d8a5bbb8
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2f2fdd000 CR3: 00000001c2ebf000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_clcsock_accept net/smc/af_smc.c:834 [inline]
 smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1302
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 9f3fa9da8991e9f1 ]---
RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 31 80 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 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
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
RSP: 0018:ffff8881901af5b0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881ba2ff680 RCX: 1ffff11039dc3969
RDX: 0000000000000004 RSI: ffffffff862407af RDI: 0000000000000020
kobject: 'lo' (00000000fed111af): kobject_add_internal: parent: 'net', set: 'devices'
RBP: ffff8881901af5e0 R08: ffff8881cee1cb48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881cee1c280 R12: ffff8881901af690
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881d8a5bbb8
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2f2fdd000 CR3: 00000001bdcbb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400