1 FILE: net/packet/af_packet.c 2 3 ------------[ cut here ]------------ 4 WARNING: CPU: 1 PID: 23686 at net/core/dev.c:2444 skb_warn_bad_offload+0x2c0/0x3a0 net/core/dev.c:2439() 5 lo: caps=(0x00000014401b7c69, 0x0000000000000000) len=246 data_len=0 gso_size=35328 gso_type=4 ip_summed=0 6 Kernel panic - not syncing: panic_on_warn set ... 7 8 CPU: 1 PID: 23686 Comm: syz-executor0 Not tainted 4.4.64+ #26 9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 10 0000000000000001 ffff8801d8a674b8 ffffffff81bfd89c ffffffff82a382a0 11 ffff8801d8a67590 ffffffff82c2f040 0000000000000009 ffff8801d8a67580 12 ffffffff813a0073 0000000041b58ab3 ffffffff82d52827 ffffffff8139fed1 13 Call Trace: 14 [<ffffffff81bfd89c>] __dump_stack lib/dump_stack.c:15 [inline] 15 [<ffffffff81bfd89c>] dump_stack+0x80/0xb4 lib/dump_stack.c:51 16 [<ffffffff813a0073>] panic+0x1a2/0x347 kernel/panic.c:115 17 [<ffffffff810e209a>] warn_slowpath_common+0x12a/0x140 kernel/panic.c:463 18 [<ffffffff810e2160>] warn_slowpath_fmt+0xb0/0xe0 kernel/panic.c:479 19 [<ffffffff8217e980>] skb_warn_bad_offload+0x2c0/0x3a0 net/core/dev.c:2439 20 [<ffffffff8218cc64>] __skb_gso_segment+0x3c4/0x4b0 net/core/dev.c:2596 21 [<ffffffff8218d883>] skb_gso_segment include/linux/netdevice.h:3702 [inline] 22 [<ffffffff8218d883>] validate_xmit_skb.isra.102.part.103+0x453/0x980 net/core/dev.c:2804 23 [<ffffffff821902eb>] validate_xmit_skb include/linux/spinlock.h:347 [inline] 24 [<ffffffff821902eb>] __dev_queue_xmit+0x133b/0x1550 net/core/dev.c:3173 25 [<ffffffff8219051c>] dev_queue_xmit+0x1c/0x20 net/core/dev.c:3215 26 [<ffffffff8278c519>] packet_snd net/packet/af_packet.c:2825 [inline] 27 [<ffffffff8278c519>] packet_sendmsg+0x2959/0x4950 net/packet/af_packet.c:2850 28 [<ffffffff821260af>] sock_sendmsg_nosec net/socket.c:611 [inline] 29 [<ffffffff821260af>] sock_sendmsg+0xcf/0x110 net/socket.c:621 30 [<ffffffff82127c49>] ___sys_sendmsg+0x6f9/0x810 net/socket.c:1947 31 [<ffffffff82129590>] __sys_sendmsg+0xd0/0x180 net/socket.c:1981 32 [<ffffffff82129672>] SYSC_sendmsg net/socket.c:1992 [inline] 33 [<ffffffff82129672>] SyS_sendmsg+0x32/0x50 net/socket.c:1988 34 [<ffffffff828ab96e>] entry_SYSCALL_64_fastpath+0x12/0x6d 35 Dumping ftrace buffer: 36 (ftrace buffer empty) 37 Kernel Offset: disabled 38
