general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5017 Comm: syz-executor.4 Not tainted 5.2.0-rc1+ #30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__skb_unlink include/linux/skbuff.h:1994 [inline]
RIP: 0010:__skb_dequeue include/linux/skbuff.h:2010 [inline]
RIP: 0010:__skb_queue_purge include/linux/skbuff.h:2721 [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:ffff888098c4f780 EFLAGS: 00010202
RAX: 0370ffffe8ffffc7 RBX: ffffe8ffffc70320 RCX: 006e000000000001
RDX: 0370000000000000 RSI: ffffffff85957eaa RDI: 0370000000000008
RBP: ffff888098c4f7e0 R08: ffff88805ec26440 R09: fffffbfff12a8ce1
R10: fffffbfff12a8ce0 R11: ffffffff89546703 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffe8ffffc70330 R15: ffffe8ffffc7036a
FS:  00007f9fb0538700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32662000 CR3: 00000000901ab000 CR4: 00000000001406e0
Call Trace:
 ip_tunnel_dev_free+0x19/0x60 net/ipv4/ip_tunnel.c:1013
 netdev_run_todo+0x48b/0x7c0 net/core/dev.c:9002
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:116
 ip_mroute_setsockopt+0x160/0xe80 net/ipv4/ipmr.c:1565
 do_ip_setsockopt.isra.0+0x300f/0x3dd0 net/ipv4/ip_sockglue.c:640
 ip_setsockopt+0x49/0x100 net/ipv4/ip_sockglue.c:1248
 raw_setsockopt+0xe0/0x100 net/ipv4/raw.c:860
 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3130
 __sys_setsockopt+0x17a/0x280 net/socket.c:2078
 __do_sys_setsockopt net/socket.c:2089 [inline]
 __se_sys_setsockopt net/socket.c:2086 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2086
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9fb0537c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459279
RDX: 00000000000000cb RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000075c060 R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f9fb05386d4
R13: 00000000004c751c R14: 00000000004dca50 R15: 00000000ffffffff
Modules linked in:
---[ end trace 79d2c8ec170a88ac ]---
RIP: 0010:__skb_unlink include/linux/skbuff.h:1994 [inline]
RIP: 0010:__skb_dequeue include/linux/skbuff.h:2010 [inline]
RIP: 0010:__skb_queue_purge include/linux/skbuff.h:2721 [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:ffff888098c4f780 EFLAGS: 00010202
RAX: 0370ffffe8ffffc7 RBX: ffffe8ffffc70320 RCX: 006e000000000001
RDX: 0370000000000000 RSI: ffffffff85957eaa RDI: 0370000000000008
RBP: ffff888098c4f7e0 R08: ffff88805ec26440 R09: fffffbfff12a8ce1
R10: fffffbfff12a8ce0 R11: ffffffff89546703 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffe8ffffc70330 R15: ffffe8ffffc7036a
FS:  00007f9fb0538700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff61dfcff8 CR3: 00000000901ab000 CR4: 00000000001406e0