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+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__skb_unlink include/linux/skbuff.h:1983 [inline]
RIP: 0010:__skb_dequeue include/linux/skbuff.h:1999 [inline]
RIP: 0010:__skb_queue_purge include/linux/skbuff.h:2710 [inline]
RIP: 0010:gro_cells_destroy net/core/gro_cells.c:103 [inline]
RIP: 0010:gro_cells_destroy+0x19d/0x360 net/core/gro_cells.c:92
Code: 03 42 80 3c 20 00 0f 85 53 01 00 00 48 8d 7a 08 49 8b 47 08 49 c7 07 00 00 00 00 48 89 f9 49 c7 47 08 00 00 00 00 48 c1 e9 03 <42> 80 3c 21 00 0f 85 10 01 00 00 48 89 c1 48 89 42 08 48 c1 e9 03
RSP: 0018:ffff8880aa3f79a8 EFLAGS: 00010203
RAX: ffffffe8ffffc74d RBX: ffffe8ffffc74c80 RCX: 0f9ffffd1ffff8ea
RDX: 7cffffe8ffffc74c RSI: ffffffff8584228a RDI: 7cffffe8ffffc754
RBP: ffff8880aa3f7a08 R08: ffff8880aa3e8580 R09: fffffbfff1263645
R10: fffffbfff1263644 R11: ffffffff8931b223 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffe8ffffc74c90 R15: ffffe8ffffc74c81
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000008f165000 CR4: 00000000001406e0
Call Trace:
 ip_tunnel_dev_free+0x19/0x60 net/ipv4/ip_tunnel.c:1013
 netdev_run_todo+0x51c/0x7d0 net/core/dev.c:8970
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:116
 ip_tunnel_delete_nets+0x423/0x5f0 net/ipv4/ip_tunnel.c:1127
 vti_exit_batch_net+0x23/0x30 net/ipv4/ip_vti.c:495
 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156
 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:
kobject: 'loop0' (0000000040e5e225): kobject_uevent_env
kobject: 'loop0' (0000000040e5e225): fill_kobj_path: path = '/devices/virtual/block/loop0'
IPVS: ftp: loaded support on port[0] = 21
kobject: 'lo' (000000003208de69): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'lo' (000000003208de69): kobject_uevent_env
kobject: 'loop2' (000000000dd64f95): kobject_uevent_env
kobject: 'loop2' (000000000dd64f95): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'lo' (000000003208de69): fill_kobj_path: path = '/devices/virtual/net/lo'
kobject: 'queues' (00000000edb1ecbb): kobject_add_internal: parent: 'lo', set: '<NULL>'
kobject: 'queues' (00000000edb1ecbb): kobject_uevent_env
kobject: 'queues' (00000000edb1ecbb): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000bb1c7447): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000bb1c7447): kobject_uevent_env
kobject: 'rx-0' (00000000bb1c7447): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
kobject: 'tx-0' (00000000693d3edc): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop2' (000000000dd64f95): kobject_uevent_env
kobject: 'loop2' (000000000dd64f95): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000693d3edc): kobject_uevent_env
kobject: 'loop0' (0000000040e5e225): kobject_uevent_env
kobject: 'loop0' (0000000040e5e225): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0' (00000000693d3edc): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
kobject: 'tunl0' (00000000dc131551): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'tunl0' (00000000dc131551): kobject_uevent_env
kobject: 'tunl0' (00000000dc131551): fill_kobj_path: path = '/devices/virtual/net/tunl0'
kobject: 'queues' (000000005c647c4d): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'queues' (000000005c647c4d): kobject_uevent_env
kobject: 'queues' (000000005c647c4d): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop2' (000000000dd64f95): kobject_uevent_env
kobject: 'loop2' (000000000dd64f95): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (00000000093382b5): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000093382b5): kobject_uevent_env
kobject: 'rx-0' (00000000093382b5): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
kobject: 'tx-0' (0000000084942771): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000084942771): kobject_uevent_env
kobject: 'tx-0' (0000000084942771): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0'
---[ end trace a02dae0e0b473566 ]---
kobject: 'loop3' (000000004afef207): kobject_uevent_env
RIP: 0010:__skb_unlink include/linux/skbuff.h:1983 [inline]
RIP: 0010:__skb_dequeue include/linux/skbuff.h:1999 [inline]
RIP: 0010:__skb_queue_purge include/linux/skbuff.h:2710 [inline]
RIP: 0010:gro_cells_destroy net/core/gro_cells.c:103 [inline]
RIP: 0010:gro_cells_destroy+0x19d/0x360 net/core/gro_cells.c:92
kobject: 'loop3' (000000004afef207): fill_kobj_path: path = '/devices/virtual/block/loop3'
Code: 03 42 80 3c 20 00 0f 85 53 01 00 00 48 8d 7a 08 49 8b 47 08 49 c7 07 00 00 00 00 48 89 f9 49 c7 47 08 00 00 00 00 48 c1 e9 03 <42> 80 3c 21 00 0f 85 10 01 00 00 48 89 c1 48 89 42 08 48 c1 e9 03
kobject: 'gre0' (00000000adedb004): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'gre0' (00000000adedb004): kobject_uevent_env
kobject: 'loop1' (0000000047acfac2): kobject_uevent_env
RSP: 0018:ffff8880aa3f79a8 EFLAGS: 00010203
kobject: 'loop1' (0000000047acfac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: ffffffe8ffffc74d RBX: ffffe8ffffc74c80 RCX: 0f9ffffd1ffff8ea
kobject: 'gre0' (00000000adedb004): fill_kobj_path: path = '/devices/virtual/net/gre0'
RDX: 7cffffe8ffffc74c RSI: ffffffff8584228a RDI: 7cffffe8ffffc754
RBP: ffff8880aa3f7a08 R08: ffff8880aa3e8580 R09: fffffbfff1263645
R10: fffffbfff1263644 R11: ffffffff8931b223 R12: dffffc0000000000
kobject: 'queues' (00000000c8e134dd): kobject_add_internal: parent: 'gre0', set: '<NULL>'
R13: 0000000000000000 R14: ffffe8ffffc74c90 R15: ffffe8ffffc74c81
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop0' (0000000040e5e225): kobject_uevent_env
CR2: 0000000000625208 CR3: 000000006ba9f000 CR4: 00000000001406f0
kobject: 'loop0' (0000000040e5e225): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (00000000c8e134dd): kobject_uevent_env