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: 21 Comm: kworker/u4:1 Not tainted 5.1.0-rc5+ #180 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 38 e2 fe 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: 0000:ffff8880aa3ffb70 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d740c RDX: 0000000000000005 RSI: ffffffff8571aa78 RDI: 0000000000000000 RBP: ffff8880aa3ffb98 R08: ffff8880aa3f0580 R09: ffff8880aa3f0e70 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 0000000000000028 R15: ffff88808cc32e24 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000066bf0000 CR4: 00000000001406f0 Call Trace: sock_release+0x18/0x20 net/socket.c:619 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:552 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 52646f4862cb2a8f ]--- 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 38 e2 fe 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: 0000:ffff8880aa3ffb70 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d740c RDX: 0000000000000005 RSI: ffffffff8571aa78 RDI: 0000000000000000 RBP: ffff8880aa3ffb98 R08: ffff8880aa3f0580 R09: ffff8880aa3f0e70 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 0000000000000028 R15: ffff88808cc32e24 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 000000008b8ff000 CR4: 00000000001406f0