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
kobject: 'lo' (00000000bd9c2662): kobject_add_internal: parent: 'net', set: 'devices'
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2902 Comm: kworker/0:2 Not tainted 4.20.0-rc2+ #300
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:3245
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 50 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
kobject: 'lo' (00000000bd9c2662): kobject_uevent_env
RSP: 0018:ffff8881cc0d75b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11039821931
RDX: 000000000000006a RSI: ffffffff8624176f RDI: 0000000000000350
RBP: ffff8881cc0d75e0 R08: ffff8881cc10c988 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881cc10c0c0 R12: ffff8881cc0d7690
R13: ffff8881b270a040 R14: 0000000000000000 R15: ffff888191269838
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe59d9b2db8 CR3: 00000001b2bdf000 CR4: 00000000001406f0
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
kobject: 'loop5' (000000005743d16f): kobject_uevent_env
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
kobject: 'lo' (00000000bd9c2662): fill_kobj_path: path = '/devices/virtual/net/lo'
kobject: 'loop5' (000000005743d16f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (00000000898a6dfd): kobject_add_internal: parent: 'lo', set: '<NULL>'
kobject: 'loop1' (0000000062268e36): kobject_uevent_env
kobject: 'queues' (00000000898a6dfd): kobject_uevent_env
kobject: 'loop1' (0000000062268e36): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'queues' (00000000898a6dfd): kobject_uevent_env: filter function caused the event to drop!
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
kobject: 'rx-0' (0000000082163507): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (0000000082163507): kobject_uevent_env
kobject: 'rx-0' (0000000082163507): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
kobject: 'tx-0' (000000008895c553): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000008895c553): kobject_uevent_env
kobject: 'tx-0' (000000008895c553): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
kobject: 'tunl0' (0000000021b0506e): kobject_add_internal: parent: 'net', set: 'devices'
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
kobject: 'tunl0' (0000000021b0506e): kobject_uevent_env
kobject: 'loop2' (0000000061d91f82): kobject_uevent_env
kobject: 'tunl0' (0000000021b0506e): fill_kobj_path: path = '/devices/virtual/net/tunl0'
kobject: 'loop2' (0000000061d91f82): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (0000000062268e36): kobject_uevent_env
kobject: 'queues' (000000004dd635cd): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'loop1' (0000000062268e36): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'queues' (000000004dd635cd): kobject_uevent_env
---[ end trace bab65b24cfb07a8a ]---
kobject: 'loop1' (0000000062268e36): kobject_uevent_env
kobject: 'queues' (000000004dd635cd): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop1' (0000000062268e36): fill_kobj_path: path = '/devices/virtual/block/loop1'
RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3245
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 50 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
kobject: 'rx-0' (00000000025f4865): kobject_add_internal: parent: 'queues', set: 'queues'
RSP: 0018:ffff8881cc0d75b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11039821931
RDX: 000000000000006a RSI: ffffffff8624176f RDI: 0000000000000350
RBP: ffff8881cc0d75e0 R08: ffff8881cc10c988 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881cc10c0c0 R12: ffff8881cc0d7690
R13: ffff8881b270a040 R14: 0000000000000000 R15: ffff888191269838
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c42c89e778 CR3: 00000001d3085000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400