audit: type=1400 audit(1554945900.414:36): avc:  denied  { map } for  pid=7915 comm="syz-executor820" path="/root/syz-executor820951771" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
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: 7915 Comm: syz-executor820 Not tainted 4.19.34 #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1742
Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f
RSP: 0018:ffff888098f86fc8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888098a8ab98 RCX: 0000000000000000
RDX: 0000000000000016 RSI: ffffffff8610a4e4 RDI: 00000000000000b0
RBP: ffff888098f86fe0 R08: 1ffff11013151573 R09: ffff888098a8ab98
R10: ffffed101315157d R11: ffff888098a8abef R12: 0000000000000000
R13: ffffffff890fa140 R14: ffffffff893ce800 R15: ffff888098a8ab98
FS:  0000000001030880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000184 CR3: 000000008d273000 CR4: 00000000001406f0
Call Trace:
 ip6erspan_newlink+0x66/0x7b0 net/ipv6/ip6_gre.c:2232
 rtnl_newlink+0x1062/0x1620 net/core/rtnetlink.c:3107
 rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:4743
 netlink_rcv_skb+0x180/0x460 net/netlink/af_netlink.c:2454
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4761
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x53c/0x720 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:632
 ___sys_sendmsg+0x806/0x930 net/socket.c:2115
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440279
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffce24f8de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440279
RDX: 0000000000000000 RSI: 0000000020001340 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000001 R09: 00000000004002c8
R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000401b00
R13: 0000000000401b90 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace c771724f9588ffda ]---
RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1742
Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f
RSP: 0018:ffff888098f86fc8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888098a8ab98 RCX: 0000000000000000
RDX: 0000000000000016 RSI: ffffffff8610a4e4 RDI: 00000000000000b0
RBP: ffff888098f86fe0 R08: 1ffff11013151573 R09: ffff888098a8ab98
R10: ffffed101315157d R11: ffff888098a8abef R12: 0000000000000000
R13: ffffffff890fa140 R14: ffffffff893ce800 R15: ffff888098a8ab98
FS:  0000000001030880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000184 CR3: 000000008d273000 CR4: 00000000001406f0