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: 32189 Comm: syz-executor.0 Not tainted 5.0.0-rc4+ #52
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:update_or_create_fnhe+0x1267/0x16d0 net/ipv4/route.c:716
Code: 74 51 e8 5c 3c 9e fb 31 ff 4c 89 ee e8 f2 3d 9e fb 4d 85 ed 0f 84 ff fe ff ff e8 44 3c 9e fb 49 8d 7d 3a 48 89 f8 48 c1 e8 03 <42> 0f b6 14 30 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffff88808b86ea40 EFLAGS: 00010203
RAX: 0000000000001901 RBX: ffff8880a44efb00 RCX: ffffc90005df3000
RDX: 0000000000001686 RSI: ffffffff85d19f6c RDI: 000000000000c80e
RBP: ffff88808b86eb08 R08: ffff888085ed6340 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
R13: 000000000000c7d4 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f09af239700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004db320 CR3: 000000006741f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__ip_rt_update_pmtu+0x991/0xa50 net/ipv4/route.c:1027
ip_rt_update_pmtu+0x247/0x9e0 net/ipv4/route.c:1040
skb_dst_update_pmtu include/net/dst.h:527 [inline]
tnl_update_pmtu+0x262/0x1100 net/ipv4/ip_tunnel.c:520
ip_tunnel_xmit+0x7a1/0x29e3 net/ipv4/ip_tunnel.c:767
ipip_tunnel_xmit+0x25e/0x2a0 net/ipv4/ipip.c:307
__netdev_start_xmit include/linux/netdevice.h:4394 [inline]
netdev_start_xmit include/linux/netdevice.h:4403 [inline]
xmit_one net/core/dev.c:3278 [inline]
dev_hard_start_xmit+0x1b2/0x980 net/core/dev.c:3294
kobject: 'loop4' (000000001954b163): kobject_uevent_env
__dev_queue_xmit+0x26e5/0x2fe0 net/core/dev.c:3864
kobject: 'loop4' (000000001954b163): fill_kobj_path: path = '/devices/virtual/block/loop4'
dev_queue_xmit+0x18/0x20 net/core/dev.c:3897
neigh_direct_output+0x16/0x20 net/core/neighbour.c:1516
neigh_output include/net/neighbour.h:508 [inline]
ip_finish_output2+0x949/0x1740 net/ipv4/ip_output.c:229
kobject: 'loop5' (0000000061ae2dca): kobject_uevent_env
ip_finish_output+0x73c/0xd50 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:278 [inline]
ip_output+0x21f/0x670 net/ipv4/ip_output.c:405
kobject: 'loop5' (0000000061ae2dca): fill_kobj_path: path = '/devices/virtual/block/loop5'
dst_output include/net/dst.h:444 [inline]
ip_local_out+0xc4/0x1b0 net/ipv4/ip_output.c:124
ip_send_skb+0x42/0xf0 net/ipv4/ip_output.c:1465
udp_send_skb.isra.0+0x6b2/0x1180 net/ipv4/udp.c:899
udp_sendmsg+0x1e06/0x2830 net/ipv4/udp.c:1186
udpv6_sendmsg+0x1382/0x28b0 net/ipv6/udp.c:1287
inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:621 [inline]
sock_sendmsg+0xdd/0x130 net/socket.c:631
___sys_sendmsg+0x3e2/0x930 net/socket.c:2138
kobject: 'loop1' (0000000000909cca): kobject_uevent_env
__sys_sendmmsg+0x1c3/0x4e0 net/socket.c:2233
kobject: 'loop1' (0000000000909cca): fill_kobj_path: path = '/devices/virtual/block/loop1'
__do_sys_sendmmsg net/socket.c:2262 [inline]
__se_sys_sendmmsg net/socket.c:2259 [inline]
__x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2259
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f09af238c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457e39
RDX: 0000000006beae7b RSI: 00000000200092c0 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f09af2396d4
R13: 00000000004c4de2 R14: 00000000004d8a40 R15: 00000000ffffffff
Modules linked in:
---[ end trace 5b376d369ed6ceed ]---
RIP: 0010:update_or_create_fnhe+0x1267/0x16d0 net/ipv4/route.c:716
Code: 74 51 e8 5c 3c 9e fb 31 ff 4c 89 ee e8 f2 3d 9e fb 4d 85 ed 0f 84 ff fe ff ff e8 44 3c 9e fb 49 8d 7d 3a 48 89 f8 48 c1 e8 03 <42> 0f b6 14 30 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffff88808b86ea40 EFLAGS: 00010203
RAX: 0000000000001901 RBX: ffff8880a44efb00 RCX: ffffc90005df3000
RDX: 0000000000001686 RSI: ffffffff85d19f6c RDI: 000000000000c80e
IPVS: ftp: loaded support on port[0] = 21
RBP: ffff88808b86eb08 R08: ffff888085ed6340 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
R13: 000000000000c7d4 R14: dffffc0000000000 R15: 0000000000000000
kobject: 'loop2' (00000000e5ef4e6f): kobject_uevent_env
FS: 00007f09af239700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004db320 CR3: 000000006741f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400