INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts. 2018/11/01 04:43:02 parsed 1 programs 2018/11/01 04:43:04 executed programs: 0 2018/11/01 04:43:12 executed programs: 6 [ 738.903460] syz-executor0 (4695) used greatest stack depth: 23888 bytes left 2018/11/01 04:43:17 executed programs: 124 [ 746.082683] ------------[ cut here ]------------ [ 746.087679] WARNING: CPU: 0 PID: 5572 at net/core/dev.c:2478 skb_warn_bad_offload+0x2b0/0x390() [ 746.096573] sit0: caps=(0x00000000001b7869, 0x0000000000000000) len=65081 data_len=65033 gso_size=1432 gso_type=2 ip_summed=0 [ 746.108088] Kernel panic - not syncing: panic_on_warn set ... [ 746.108088] [ 746.115449] CPU: 0 PID: 5572 Comm: syz-executor4 Not tainted 4.4.162+ #7 [ 746.122293] 0000000000000000 93fd1b065be53a79 ffff8801d991f0e8 ffffffff81a994bd [ 746.130372] ffffffff828354e0 ffff8800b4be0000 ffffffff82a4b700 0000000000000009 [ 746.138427] 00000000000009ae ffff8801d991f1a8 ffffffff813a0e94 0000000041b58ab3 [ 746.146497] Call Trace: [ 746.149271] [] dump_stack+0xc1/0x124 [ 746.154737] [] panic+0x19e/0x359 [ 746.159755] [] ? add_taint.cold.4+0x16/0x16 [ 746.165720] [] ? warn_slowpath_common.cold.6+0x5/0x20 [ 746.172555] [] warn_slowpath_common.cold.6+0x20/0x20 [ 746.179303] [] ? skb_warn_bad_offload+0x2b0/0x390 [ 746.185869] [] warn_slowpath_fmt+0xbf/0x100 [ 746.191836] [] ? warn_slowpath_common+0x120/0x120 [ 746.198437] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 746.205370] [] ? ___ratelimit+0x53/0x3d2 [ 746.211071] [] skb_warn_bad_offload+0x2b0/0x390 [ 746.217412] [] __skb_gso_segment+0x3fb/0x4b0 [ 746.223468] [] validate_xmit_skb.isra.31.part.32+0x48d/0xaa0 [ 746.230935] [] ? check_preemption_disabled+0x3b/0x170 [ 746.237774] [] __dev_queue_xmit+0x1684/0x1c30 [ 746.243914] [] ? __dev_queue_xmit+0x1d7/0x1c30 [ 746.250226] [] ? trace_hardirqs_on+0x10/0x10 [ 746.256366] [] ? nf_ct_deliver_cached_events+0x30e/0x560 [ 746.263463] [] ? netdev_pick_tx+0x2c0/0x2c0 [ 746.269430] [] ? __lock_acquire+0xa85/0x5f10 [ 746.275501] [] ? nf_conntrack_seqadj_fini+0x20/0x20 [ 746.282163] [] ? check_preemption_disabled+0x3b/0x170 [ 746.288999] [] dev_queue_xmit+0x17/0x20 [ 746.294623] [] neigh_direct_output+0x15/0x20 [ 746.300738] [] ip6_finish_output2+0xb94/0x1ca0 [ 746.306971] [] ? ip6_finish_output2+0x1f9/0x1ca0 [ 746.313440] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 746.320192] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 746.326504] [] ? check_preemption_disabled+0x3b/0x170 [ 746.333360] [] ? ip6_mtu+0x217/0x340 [ 746.338719] [] ip6_finish_output+0x2ee/0x750 [ 746.344772] [] ip6_output+0x1af/0x520 [ 746.350218] [] ? ip6_finish_output+0x750/0x750 [ 746.356463] [] ? cpuusage_write+0x7a/0x190 [ 746.362357] [] ? ip6_fragment+0x3310/0x3310 [ 746.368364] [] ? xfrm_lookup_route+0x61/0x140 [ 746.374567] [] ip6_local_out+0x9b/0x180 [ 746.380204] [] ip6_send_skb+0xa1/0x340 [ 746.385766] [] udp_v6_send_skb+0x843/0xe70 [ 746.391649] [] udpv6_sendmsg+0x1f2e/0x24c0 [ 746.397554] [] ? ip_reply_glue_bits+0xc0/0xc0 [ 746.403694] [] ? udp_v6_flush_pending_frames+0xe0/0xe0 [ 746.410621] [] ? udpv6_rcv+0x30/0x30 [ 746.415979] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 746.422755] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 746.429071] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 746.435929] [] ? release_sock+0x3b6/0x500 [ 746.441723] [] ? trace_hardirqs_on+0xd/0x10 [ 746.447696] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 746.454003] [] ? udp_v6_get_port+0xa7/0xd0 [ 746.459895] [] inet_sendmsg+0x203/0x4d0 [ 746.465511] [] ? inet_sendmsg+0x73/0x4d0 [ 746.471212] [] ? inet_recvmsg+0x4c0/0x4c0 [ 746.477036] [] sock_sendmsg+0xbb/0x110 [ 746.482568] [] SyS_sendto+0x220/0x370 [ 746.488013] [] ? SyS_getpeername+0x2d0/0x2d0 [ 746.494127] [] ? kvm_clock_get_cycles+0x9/0x10 [ 746.500436] [] ? ktime_get_ts64+0x251/0x310 [ 746.506404] [] ? posix_ktime_get_ts+0x15/0x20 [ 746.512611] [] ? compat_SyS_clock_gettime+0x14d/0x1d0 [ 746.519455] [] ? compat_SyS_clock_settime+0x1b0/0x1b0 [ 746.526333] [] ? do_fast_syscall_32+0xdb/0xa80 [ 746.532571] [] ? SyS_getpeername+0x2d0/0x2d0 [ 746.538630] [] do_fast_syscall_32+0x31e/0xa80 [ 746.544770] [] sysenter_flags_fixed+0xd/0x1a [ 746.551119] Kernel Offset: disabled [ 746.554748] Rebooting in 86400 seconds..