IPVS: ftp: loaded support on port[0] = 21
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'hwsim48' (00000000c653ade1): kobject_uevent_env
CPU: 1 PID: 13486 Comm: kworker/1:4 Not tainted 4.20.0-rc4+ #219
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
RIP: 0010:kernel_accept+0xf9/0x310 net/socket.c:3250
Code: 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 28 48 8d 7b 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8f 01 00 00 4c 89 e2 48 8b 5b 30 48 b8 00 00 00
kobject: 'hwsim48' (00000000c653ade1): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim48'
RSP: 0018:ffff8881b40175b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86242854
RDX: 0000000000000006 RSI: ffffffff86242861 RDI: 0000000000000030
RBP: ffff8881b40175e0 R08: ffff888190664180 R09: ffffed1036802e6a
R10: ffffed1036802e6a R11: 0000000000000003 R12: ffff8881b4017690
R13: ffff888187d5b980 R14: 0000000000000000 R15: ffff888187d5b9a8
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f83f08d3000 CR3: 0000000198a11000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_clcsock_accept net/smc/af_smc.c:837 [inline]
 smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1305
 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:
kobject: 'loop3' (000000003e065063): kobject_uevent_env
kobject: 'loop3' (000000003e065063): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'erspan0' (0000000002be5e4b): kobject_add_internal: parent: 'net', set: 'devices'
---[ end trace e57c76349fdd0630 ]---
RIP: 0010:kernel_accept+0xf9/0x310 net/socket.c:3250
Code: 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 28 48 8d 7b 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8f 01 00 00 4c 89 e2 48 8b 5b 30 48 b8 00 00 00
kobject: 'erspan0' (0000000002be5e4b): kobject_uevent_env
RSP: 0018:ffff8881b40175b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86242854
RDX: 0000000000000006 RSI: ffffffff86242861 RDI: 0000000000000030
kobject: 'erspan0' (0000000002be5e4b): fill_kobj_path: path = '/devices/virtual/net/erspan0'
RBP: ffff8881b40175e0 R08: ffff888190664180 R09: ffffed1036802e6a
R10: ffffed1036802e6a R11: 0000000000000003 R12: ffff8881b4017690
kobject: 'queues' (0000000086b64c69): kobject_add_internal: parent: 'erspan0', set: '<NULL>'
R13: ffff888187d5b980 R14: 0000000000000000 R15: ffff888187d5b9a8
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
kobject: 'queues' (0000000086b64c69): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f83f08d3000 CR3: 00000001cb857000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'queues' (0000000086b64c69): kobject_uevent_env: filter function caused the event to drop!
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400