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: 21 Comm: kworker/u4:1 Not tainted 5.0.0+ #97
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:574
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 f8 8b 05 fc 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: 0000:ffff8880aa3f7b70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10de00c
RDX: 0000000000000005 RSI: ffffffff856a2a78 RDI: 0000000000000000
RBP: ffff8880aa3f7b98 R08: ffff8880aa3e8580 R09: ffff8880aa3e8e70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000007 R14: 0000000000000028 R15: ffff88805c9db8d0
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'loop4' (00000000a1c22729): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (00000000a1c22729): fill_kobj_path: path = '/devices/virtual/block/loop4'
CR2: 0000000000a29000 CR3: 00000000641e4000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_release+0x18/0x20 net/socket.c:599
 inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
 icmp_sk_exit+0x11f/0x1f0 net/ipv4/icmp.c:1188
 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:2173
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 78574de3d9d4b31d ]---
RIP: 0010:__sock_release+0x2d/0x2b0 net/socket.c:574
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 f8 8b 05 fc 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: 0000:ffff8880aa3f7b70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10de00c
RDX: 0000000000000005 RSI: ffffffff856a2a78 RDI: 0000000000000000
RBP: ffff8880aa3f7b98 R08: ffff8880aa3e8580 R09: ffff8880aa3e8e70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000007 R14: 0000000000000028 R15: ffff88805c9db8d0
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e623000 CR3: 00000000a80d0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400