syzbot |
sign-in | mailing list | source | docs |
protocol 894f is buggy, dev ip6gretap0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5085 at include/linux/skbuff.h:2723 pskb_may_pull_reason include/linux/skbuff.h:2723 [inline] WARNING: CPU: 0 PID: 5085 at include/linux/skbuff.h:2723 pskb_may_pull include/linux/skbuff.h:2739 [inline] WARNING: CPU: 0 PID: 5085 at include/linux/skbuff.h:2723 pskb_network_may_pull include/linux/skbuff.h:3059 [inline] WARNING: CPU: 0 PID: 5085 at include/linux/skbuff.h:2723 pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] WARNING: CPU: 0 PID: 5085 at include/linux/skbuff.h:2723 ip6gre_tunnel_xmit+0x11d6/0x1740 net/ipv6/ip6_gre.c:901 Modules linked in: CPU: 0 PID: 5085 Comm: syz-executor338 Not tainted 6.8.0-rc5-syzkaller-01567-gd662c5b3ce6d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:pskb_may_pull_reason include/linux/skbuff.h:2723 [inline] RIP: 0010:pskb_may_pull include/linux/skbuff.h:2739 [inline] RIP: 0010:pskb_network_may_pull include/linux/skbuff.h:3059 [inline] RIP: 0010:pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] RIP: 0010:ip6gre_tunnel_xmit+0x11d6/0x1740 net/ipv6/ip6_gre.c:901 Code: 02 00 00 00 31 d2 e8 d9 91 01 00 bb ff ff ff ff e9 fd fc ff ff e8 4a de 65 f7 bb ff ff ff ff e9 ee fc ff ff e8 3b de 65 f7 90 <0f> 0b 90 e9 e5 ef ff ff 44 89 f7 44 89 fe e8 e7 df 65 f7 45 39 fe RSP: 0018:ffffc90003a5f240 EFLAGS: 00010293 RAX: ffffffff8a2d8f35 RBX: 0000000000000000 RCX: ffff88802aab9dc0 RDX: 0000000000000000 RSI: 00000000ffffff5a RDI: 0000000000000000 RBP: ffffc90003a5f528 R08: ffffffff8a2d7f15 R09: 1ffffffff1f0bc0d R10: dffffc0000000000 R11: ffffffff8a2d7d60 R12: ffff88802bd40000 R13: ffff88802bd400d8 R14: dffffc0000000000 R15: 00000000ffffff5a FS: 0000555556214380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 000000002cc64000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __netdev_start_xmit include/linux/netdevice.h:4990 [inline] netdev_start_xmit include/linux/netdevice.h:5004 [inline] xmit_one net/core/dev.c:3530 [inline] dev_hard_start_xmit+0x242/0x770 net/core/dev.c:3546 sch_direct_xmit+0x2b6/0x5f0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3759 [inline] __dev_queue_xmit+0x1912/0x3b10 net/core/dev.c:4300 packet_snd net/packet/af_packet.c:3081 [inline] packet_sendmsg+0x46a9/0x6130 net/packet/af_packet.c:3113 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2199 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f781bf64b69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff10e503b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f781bf64b69 RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000002ff R10: 0000000004000002 R11: 0000000000000246 R12: 00007fff10e50420 R13: 0000000000010459 R14: 00007fff10e503ec R15: 0000000000000003 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/02/25 07:05 | net-next | d662c5b3ce6d | 8d446f15 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | WARNING in ip6gre_tunnel_xmit | |
2024/02/25 12:08 | net-next | d662c5b3ce6d | 8d446f15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | WARNING in ip6gre_tunnel_xmit |