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: 29740 Comm: kworker/u4:5 Not tainted 5.0.0+ #109
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__sock_release+0x5e/0x2b0 net/socket.c:595
Code: 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00 00 e8 87 69 ff fb 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 06 02 00 00 4d 85 e4 4d 8b 7d 08 0f 84 59 01 00
RSP: 0018:ffff888067bcfb70 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffffff896a447b RCX: 1ffffffff10da00c
RDX: 11299ed1299a4621 RSI: ffffffff8570faa9 RDI: 894cf6894cd23108
RBP: ffff888067bcfb98 R08: ffff888064668200 R09: ffff888064668af0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 894cf6894cd23100 R14: ffffffff896a44a3 R15: ffff88809a57bd50
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000070e6b4 CR3: 0000000098df3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_release+0x18/0x20 net/socket.c:619
 inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
 tcp_sk_exit+0x17b/0x230 net/ipv4/tcp_ipv4.c:2591
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:551
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 614264d4b933b5a8 ]---
RIP: 0010:__sock_release+0x5e/0x2b0 net/socket.c:595
Code: 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00 00 e8 87 69 ff fb 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 06 02 00 00 4d 85 e4 4d 8b 7d 08 0f 84 59 01 00
RSP: 0018:ffff888067bcfb70 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffffff896a447b RCX: 1ffffffff10da00c
RDX: 11299ed1299a4621 RSI: ffffffff8570faa9 RDI: 894cf6894cd23108
RBP: ffff888067bcfb98 R08: ffff888064668200 R09: ffff888064668af0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 894cf6894cd23100 R14: ffffffff896a44a3 R15: ffff88809a57bd50
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7c85a23000 CR3: 0000000098df3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400