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
IPVS: ftp: loaded support on port[0] = 21
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'lo' (00000000941cd225): kobject_uevent_env
CPU: 1 PID: 3302 Comm: kworker/1:40 Not tainted 4.20.0-rc6+ #233
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
kobject: 'lo' (00000000941cd225): fill_kobj_path: path = '/devices/virtual/net/lo'
RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734
Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff88818e507478 EFLAGS: 00010206
kobject: 'queues' (00000000c4476045): kobject_add_internal: parent: 'lo', set: '<NULL>'
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005
RDX: dffffc0000000000 RSI: ffffffff86b39343 RDI: 0000000000000028
RBP: ffff88818e5075a0 R08: ffff8881c00d8240 R09: ffffed1031ca0e6a
R10: ffffed1031ca0e6a R11: 0000000000000003 R12: ffff8881c07e6980
R13: ffff88818e5074b8 R14: ffff88818e507578 R15: dffffc0000000000
kobject: 'queues' (00000000c4476045): kobject_uevent_env
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd38187c00 CR3: 00000001cf0b3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'queues' (00000000c4476045): kobject_uevent_env: filter function caused the event to drop!
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'rx-0' (0000000056896d7f): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (0000000056896d7f): kobject_uevent_env
 kernel_accept+0x136/0x310 net/socket.c:3250
kobject: 'rx-0' (0000000056896d7f): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
 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
kobject: 'tx-0' (000000002bb012ae): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000002bb012ae): kobject_uevent_env
kobject: 'tx-0' (000000002bb012ae): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
kobject: 'erspan0' (000000003a801f51): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'erspan0' (000000003a801f51): kobject_uevent_env
kobject: 'erspan0' (000000003a801f51): fill_kobj_path: path = '/devices/virtual/net/erspan0'
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
kobject: 'queues' (00000000cfc80cb4): kobject_add_internal: parent: 'erspan0', set: '<NULL>'
Modules linked in:
---[ end trace f8b99ee2028d89cb ]---
kobject: 'queues' (00000000cfc80cb4): kobject_uevent_env
RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734
kobject: 'loop1' (00000000c434559e): kobject_uevent_env
Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff88818e507478 EFLAGS: 00010206
kobject: 'queues' (00000000cfc80cb4): kobject_uevent_env: filter function caused the event to drop!
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005
IPVS: ftp: loaded support on port[0] = 21
RDX: dffffc0000000000 RSI: ffffffff86b39343 RDI: 0000000000000028
RBP: ffff88818e5075a0 R08: ffff8881c00d8240 R09: ffffed1031ca0e6a
R10: ffffed1031ca0e6a R11: 0000000000000003 R12: ffff8881c07e6980
R13: ffff88818e5074b8 R14: ffff88818e507578 R15: dffffc0000000000
kobject: 'loop1' (00000000c434559e): fill_kobj_path: path = '/devices/virtual/block/loop1'
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff49ffdf98 CR3: 000000018fc14000 CR4: 00000000001406e0
kobject: 'rx-0' (000000004d394f3c): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop4' (000000002505a64c): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop4' (000000002505a64c): fill_kobj_path: path = '/devices/virtual/block/loop4'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop5' (0000000098ee4f08): kobject_uevent_env