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: 15127 Comm: kworker/u4:8 Not tainted 5.0.0+ #126
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__sock_release+0x2d/0x2b0 net/socket.c:594
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 b8 a9 ff 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 ff 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00
RSP: 0018:ffff888066d57b70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d940c
RDX: 0000000000000005 RSI: ffffffff8570ba78 RDI: 0000000000000000
RBP: ffff888066d57b98 R08: ffff888096e2e700 R09: ffff888096e2eff0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a8f1c100 R14: 0000000000000028 R15: ffff88808b82d909
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 0000000093755000 CR4: 00000000001406f0
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:2584
 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 920ff8263c9ad0f2 ]---
RIP: 0010:__sock_release+0x2d/0x2b0 net/socket.c:594
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 b8 a9 ff 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 ff 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00
RSP: 0018:ffff888066d57b70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d940c
RDX: 0000000000000005 RSI: ffffffff8570ba78 RDI: 0000000000000000
RBP: ffff888066d57b98 R08: ffff888096e2e700 R09: ffff888096e2eff0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a8f1c100 R14: 0000000000000028 R15: ffff88808b82d909
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000000a484e000 CR4: 00000000001406f0