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 NOPTI
Modules linked in:
CPU: 0 PID: 475 Comm: kworker/u4:25 Not tainted 4.14.102+ #17
Workqueue: netns cleanup_net
task: ffff8881c06cde00 task.stack: ffff888169c20000
RIP: 0010:get_work_pool+0x9f/0x140 kernel/workqueue.c:718
RSP: 0018:ffff888169c27a28 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: 0000000000000000
RDX: 00000003ffffffc0 RSI: 00000000ffffffff RDI: 0000000000000046
RBP: ffff888169c27ba0 R08: 0000000000000001 R09: 0000000000000003
R10: ffff888169c27830 R11: ffffe8ffffc1805b R12: ffff8881a6cdf0d0
R13: 1ffff1102d384f4b R14: dffffc0000000000 R15: ffff8881a6cdf0b0
FS: 0000000000000000(0000) GS:ffff8881d7400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1c707c50 CR3: 00000001f1426003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
start_flush_work kernel/workqueue.c:2819 [inline]
flush_work+0xff/0x710 kernel/workqueue.c:2884
xfrm_policy_fini+0x29/0x260 net/xfrm/xfrm_policy.c:3008
xfrm_net_exit+0x19/0x30 net/xfrm/xfrm_policy.c:3069
ops_exit_list.isra.0+0xa8/0x150 net/core/net_namespace.c:142
cleanup_net+0x3ce/0x860 net/core/net_namespace.c:483
process_one_work+0x7c6/0x14e0 kernel/workqueue.c:2114
worker_thread+0x5d7/0x1080 kernel/workqueue.c:2248
kthread+0x310/0x420 kernel/kthread.c:232
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Code: 89 c4 e8 c5 5f 1e 00 4c 89 e0 5b 41 5c c3 e8 b9 5f 1e 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 84 00 00 00 4c 8b 23 e8 8f 5f 1e 00 5b 4c 89
RIP: get_work_pool+0x9f/0x140 kernel/workqueue.c:718 RSP: ffff888169c27a28
---[ end trace 6b31c97802703ca9 ]---