------------[ cut here ]------------ WARNING: CPU: 0 PID: 4542 at net/core/dev.c:2473 skb_warn_bad_offload+0x2b0/0x390 /net/core/dev.c:2473() lo: caps=(0x00000014401b7c69, 0x0000000000000000) len=64799 data_len=64741 gso_size=4864 gso_type=6 ip_summed=0 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 4542 Comm: syz-executor.4 Not tainted 4.4.174+ #4 0000000000000000 16a9dc0f8ae87654 ffff8801cf027658 ffffffff81aad1a1 ffff8801cf0277a8 ffffffff82835ee0 ffffffff82a54880 00000000000009a9 ffffffff8222e030 ffff8801cf027738 ffffffff813a48c2 0000000041b58ab3 Call Trace: [] __dump_stack /lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [] panic+0x1b9/0x37b /kernel/panic.c:112 [] warn_slowpath_common /kernel/panic.c:455 [inline] [] warn_slowpath_common.cold+0x20/0x20 /kernel/panic.c:435 [] warn_slowpath_fmt+0xbf/0x100 /kernel/panic.c:471 [] skb_warn_bad_offload+0x2b0/0x390 /net/core/dev.c:2473 [] __skb_gso_segment+0x413/0x4c0 /net/core/dev.c:2631 [] skb_gso_segment /include/linux/netdevice.h:3712 [inline] [] validate_xmit_skb.isra.0.part.0+0x49f/0xa90 /net/core/dev.c:2839 [] validate_xmit_skb /net/core/dev.c:2968 [inline] [] __dev_queue_xmit+0x1612/0x1bb0 /net/core/dev.c:3221 [] dev_queue_xmit+0x18/0x20 /net/core/dev.c:3263 [] packet_snd /net/packet/af_packet.c:2843 [inline] [] packet_sendmsg+0x2605/0x4820 /net/packet/af_packet.c:2868 [] sock_sendmsg_nosec /net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 /net/socket.c:648 [] SYSC_sendto /net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 /net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Kernel Offset: disabled Rebooting in 86400 seconds..