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: 1 PID: 25487 Comm: kworker/u4:9 Not tainted 5.2.0-rc3+ #54
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__sock_release+0x2d/0x2a0 net/socket.c:596
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 78 9c f7 fb 4c 8d 73 28 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 f5 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 e9 00 00
RSP: 0018:ffff8880675ffb70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10e9e4c
RDX: 0000000000000005 RSI: ffffffff85790a08 RDI: 0000000000000000
RBP: ffff8880675ffb98 R08: ffff8880a3efc040 R09: ffff8880a3efc930
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809a280a80 R14: 0000000000000028 R15: ffff888087a194c3
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200de03f CR3: 00000000645a8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_release+0x18/0x20 net/socket.c:621
 inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
 tcp_sk_exit+0x185/0x240 net/ipv4/tcp_ipv4.c:2598
 ops_exit_list.isra.0+0xaa/0x150 net/core/net_namespace.c:154
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:553
 process_one_work+0x989/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x354/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace c9724e683648fe7b ]---
RIP: 0010:__sock_release+0x2d/0x2a0 net/socket.c:596
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 78 9c f7 fb 4c 8d 73 28 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 f5 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 e9 00 00
RSP: 0018:ffff8880675ffb70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10e9e4c
RDX: 0000000000000005 RSI: ffffffff85790a08 RDI: 0000000000000000
RBP: ffff8880675ffb98 R08: ffff8880a3efc040 R09: ffff8880a3efc930
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809a280a80 R14: 0000000000000028 R15: ffff888087a194c3
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad9468be70 CR3: 000000009b2ee000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400