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
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 4.20.0-rc2+ #236
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
RSP: 0018:ffff8881d9acf5b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103b357941
kobject: '0:54' (00000000f6606a2e): kobject_add_internal: parent: 'bdi', set: 'devices'
RDX: 000000000000006a RSI: ffffffff861837af RDI: 0000000000000350
RBP: ffff8881d9acf5e0 R08: ffff8881d9abca08 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881d9abc140 R12: ffff8881d9acf690
R13: ffff8881c0531040 R14: 0000000000000000 R15: ffff88818e1210b8
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd069aed68 CR3: 00000001d7c64000 CR4: 00000000001426f0
QAT: Invalid ioctl
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
IPVS: ftp: loaded support on port[0] = 21
 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
kobject: 'lo' (00000000becb0f29): kobject_add_internal: parent: 'net', set: 'devices'
kobject: '0:54' (00000000f6606a2e): kobject_uevent_env
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
kobject: 'lo' (00000000becb0f29): kobject_uevent_env
kobject: 'lo' (00000000becb0f29): fill_kobj_path: path = '/devices/virtual/net/lo'
kobject: '0:54' (00000000f6606a2e): fill_kobj_path: path = '/devices/virtual/bdi/0:54'
kobject: 'queues' (000000007c83fcb6): kobject_add_internal: parent: 'lo', set: '<NULL>'
kobject: 'queues' (000000007c83fcb6): kobject_uevent_env
 kthread+0x35a/0x440 kernel/kthread.c:246
kobject: 'queues' (000000007c83fcb6): kobject_uevent_env: filter function caused the event to drop!
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
kobject: 'loop0' (000000002243a941): kobject_uevent_env
kobject: 'rx-0' (000000006b1d5035): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop0' (000000002243a941): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000ce3a03eb): kobject_uevent_env
kobject: 'loop2' (00000000ce3a03eb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000006b1d5035): kobject_uevent_env
kobject: 'loop1' (000000002c95ee88): kobject_uevent_env
kobject: 'rx-0' (000000006b1d5035): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
kobject: 'loop1' (000000002c95ee88): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (000000003d6608bf): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000003d6608bf): kobject_uevent_env
---[ end trace 49b35084c0bd6ef7 ]---
kobject: 'tx-0' (000000003d6608bf): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
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: 'tunl0' (0000000015cd1a36): kobject_add_internal: parent: 'net', set: 'devices'
RSP: 0018:ffff8881d9acf5b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103b357941
kobject: 'tunl0' (0000000015cd1a36): kobject_uevent_env
RDX: 000000000000006a RSI: ffffffff861837af RDI: 0000000000000350
kobject: 'tunl0' (0000000015cd1a36): fill_kobj_path: path = '/devices/virtual/net/tunl0'
RBP: ffff8881d9acf5e0 R08: ffff8881d9abca08 R09: 0000000000000006
kobject: 'queues' (0000000020d34bd4): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
R10: 0000000000000000 R11: ffff8881d9abc140 R12: ffff8881d9acf690
kobject: 'queues' (0000000020d34bd4): kobject_uevent_env
R13: ffff8881c0531040 R14: 0000000000000000 R15: ffff88818e1210b8
kobject: 'queues' (0000000020d34bd4): kobject_uevent_env: filter function caused the event to drop!
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
kobject: 'rx-0' (000000006a1ec9e6): kobject_add_internal: parent: 'queues', set: 'queues'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'rx-0' (000000006a1ec9e6): kobject_uevent_env
CR2: 00000000f5e9bdb0 CR3: 00000001cb8b7000 CR4: 00000000001426f0
kobject: 'rx-0' (000000006a1ec9e6): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'tx-0' (00000000ffcbd965): kobject_add_internal: parent: 'queues', set: 'queues'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'tx-0' (00000000ffcbd965): kobject_uevent_env