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: 6466 Comm: syz-executor.0 Not tainted 5.2.0-rc1+ #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:icmpv6_xrlim_allow+0x1b2/0x440 net/ipv6/icmp.c:214 Code: 4d 8b ac 24 b0 00 00 00 4d 85 ed 74 33 e8 66 8e 4a fb 49 8d bd d0 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 70 02 00 00 49 8b 85 d0 02 00 00 65 48 ff 40 78 RSP: 0018:ffff888099e86c30 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 1ffff110133d0d88 RCX: ffffc90005b13000 RDX: 1ff11010f679205a RSI: ffffffff8626160a RDI: ff888087b3c902d0 RBP: ffff888099e86cf0 R08: ffff888069d46040 R09: 0000000000000008 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff888091ff813f R13: ff888087b3c90000 R14: 0000000000000001 R15: ffff88804382e1c0 FS: 00007f95fbdcc700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a22000 CR3: 0000000062082000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: icmp6_send+0x1107/0x1e50 net/ipv6/icmp.c:540 icmpv6_send+0xec/0x230 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x2b/0x530 net/ipv6/route.c:2367 dst_link_failure include/net/dst.h:416 [inline] ip_tunnel_xmit+0x254b/0x2c38 net/ipv4/ip_tunnel.c:837 __gre_xmit+0x5e9/0x9a0 net/ipv4/ip_gre.c:449 gre_tap_xmit+0x3e5/0x660 net/ipv4/ip_gre.c:712 __netdev_start_xmit include/linux/netdevice.h:4410 [inline] netdev_start_xmit include/linux/netdevice.h:4424 [inline] xmit_one net/core/dev.c:3292 [inline] dev_hard_start_xmit+0x18a/0x950 net/core/dev.c:3308 sch_direct_xmit+0x372/0xc30 net/sched/sch_generic.c:312 __dev_xmit_skb net/core/dev.c:3489 [inline] __dev_queue_xmit+0x27c5/0x36b0 net/core/dev.c:3850 dev_queue_xmit+0x18/0x20 net/core/dev.c:3914 neigh_resolve_output net/core/neighbour.c:1492 [inline] neigh_resolve_output+0x5a5/0x970 net/core/neighbour.c:1472 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x1034/0x2550 net/ipv6/ip6_output.c:120 ip6_finish_output+0x56d/0xc20 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x235/0x7f0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:433 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] rawv6_send_hdrinc net/ipv6/raw.c:691 [inline] rawv6_sendmsg+0x1dcf/0x35e0 net/ipv6/raw.c:935 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:671 ___sys_sendmsg+0x803/0x920 net/socket.c:2292 __sys_sendmsg+0x105/0x1d0 net/socket.c:2330 __do_sys_sendmsg net/socket.c:2339 [inline] __se_sys_sendmsg net/socket.c:2337 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2337 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:00007f95fbdcbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95fbdcc6d4 R13: 00000000004c6ca0 R14: 00000000004dbaa8 R15: 00000000ffffffff Modules linked in: ---[ end trace 6aa43eb9c9da0578 ]--- RIP: 0010:icmpv6_xrlim_allow+0x1b2/0x440 net/ipv6/icmp.c:214 Code: 4d 8b ac 24 b0 00 00 00 4d 85 ed 74 33 e8 66 8e 4a fb 49 8d bd d0 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 70 02 00 00 49 8b 85 d0 02 00 00 65 48 ff 40 78 RSP: 0018:ffff888099e86c30 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 1ffff110133d0d88 RCX: ffffc90005b13000 RDX: 1ff11010f679205a RSI: ffffffff8626160a RDI: ff888087b3c902d0 RBP: ffff888099e86cf0 R08: ffff888069d46040 R09: 0000000000000008 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff888091ff813f R13: ff888087b3c90000 R14: 0000000000000001 R15: ffff88804382e1c0 FS: 00007f95fbdcc700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a22000 CR3: 0000000062082000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400