[ 34.883413][ T26] audit: type=1800 audit(1551386284.886:27): pid=7398 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.921543][ T26] audit: type=1800 audit(1551386284.966:28): pid=7398 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.711537][ T26] audit: type=1800 audit(1551386285.756:29): pid=7398 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.731878][ T26] audit: type=1800 audit(1551386285.756:30): pid=7398 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts. syzkaller login: [ 52.099710][ T7551] IPVS: ftp: loaded support on port[0] = 21 [ 52.153798][ T7551] chnl_net:caif_netlink_parms(): no params data found [ 52.182883][ T7551] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.190984][ T7551] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.198804][ T7551] device bridge_slave_0 entered promiscuous mode [ 52.206723][ T7551] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.213774][ T7551] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.221467][ T7551] device bridge_slave_1 entered promiscuous mode [ 52.236712][ T7551] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.246140][ T7551] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.262808][ T7551] team0: Port device team_slave_0 added [ 52.269948][ T7551] team0: Port device team_slave_1 added [ 52.336140][ T7551] device hsr_slave_0 entered promiscuous mode [ 52.374689][ T7551] device hsr_slave_1 entered promiscuous mode [ 52.421018][ T7551] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.428151][ T7551] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.435741][ T7551] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.442766][ T7551] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.472214][ T7551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.484125][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.494010][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.502447][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.510222][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.521437][ T7551] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.531187][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.539709][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.546751][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.557082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.565405][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.572417][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.591755][ T7551] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.602806][ T7551] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.615971][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.624572][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.632827][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.641500][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.649758][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.657368][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 52.671952][ T7551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.687152][ T7551] kasan: CONFIG_KASAN_INLINE enabled [ 52.692477][ T7551] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 52.700566][ T7551] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 52.707504][ T7551] CPU: 0 PID: 7551 Comm: syz-executor480 Not tainted 5.0.0-rc8-next-20190228 #45 [ 52.716620][ T7551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.726670][ T7551] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 52.732630][ T7551] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 41 93 53 fb e8 ec e7 [ 52.752233][ T7551] RSP: 0018:ffff88808cc37018 EFLAGS: 00010246 [ 52.758288][ T7551] RAX: dffffc0000000000 RBX: ffff888097d05d00 RCX: ffffffff860a8063 [ 52.766233][ T7551] RDX: 0000000000000000 RSI: ffffffff860a80a0 RDI: ffff8880a834bd88 [ 52.774179][ T7551] RBP: ffff88808cc37040 R08: ffff88808e6f43c0 R09: ffffed1015d05bc8 [ 52.782124][ T7551] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 52.790148][ T7551] R13: 0000000000000035 R14: ffff888097d05d10 R15: ffffffffffffffff [ 52.798101][ T7551] FS: 0000000001941880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.807004][ T7551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.813558][ T7551] CR2: 0000000020200000 CR3: 0000000092ccd000 CR4: 00000000001406f0 [ 52.821534][ T7551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.829479][ T7551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.837421][ T7551] Call Trace: [ 52.840690][ T7551] __xfrm_policy_check+0x1f8/0x2730 [ 52.845865][ T7551] ? find_held_lock+0x35/0x130 [ 52.850602][ T7551] ? vti6_tnl_lookup+0x287/0x1020 [ 52.855608][ T7551] ? __xfrm_route_forward+0x840/0x840 [ 52.861028][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.867250][ T7551] ? vti6_tnl_lookup+0x69a/0x1020 [ 52.872247][ T7551] ? vti6_init_net+0x820/0x820 [ 52.876987][ T7551] vti6_rcv+0x51a/0x970 [ 52.881124][ T7551] xfrm6_esp_rcv+0xd8/0x230 [ 52.885753][ T7551] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 52.891384][ T7551] ? lock_acquire+0x16f/0x3f0 [ 52.896042][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.902262][ T7551] ? rcu_rnp_online_cpus+0x40/0x40 [ 52.907349][ T7551] ip6_input_finish+0x84/0x170 [ 52.912085][ T7551] ip6_input+0xe4/0x3f0 [ 52.916233][ T7551] ? ip6_input_finish+0x170/0x170 [ 52.921229][ T7551] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 52.927097][ T7551] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 52.932427][ T7551] ip6_mc_input+0x4aa/0xf30 [ 52.936914][ T7551] ? ip6_input+0x3f0/0x3f0 [ 52.941311][ T7551] ip6_rcv_finish+0x1e7/0x320 [ 52.945967][ T7551] ipv6_rcv+0x10e/0x420 [ 52.950095][ T7551] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 52.955527][ T7551] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 52.961395][ T7551] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 52.966827][ T7551] __netif_receive_skb_one_core+0x115/0x1a0 [ 52.972703][ T7551] ? __netif_receive_skb_core+0x3010/0x3010 [ 52.978569][ T7551] ? lock_acquire+0x16f/0x3f0 [ 52.983217][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.989428][ T7551] __netif_receive_skb+0x2c/0x1c0 [ 52.994426][ T7551] netif_receive_skb_internal+0x117/0x660 [ 53.000131][ T7551] ? dev_cpu_dead+0x920/0x920 [ 53.004807][ T7551] ? eth_gro_receive+0x890/0x890 [ 53.009728][ T7551] napi_gro_frags+0xade/0xd10 [ 53.014400][ T7551] tun_get_user+0x2c17/0x3d70 [ 53.019055][ T7551] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 53.024573][ T7551] ? tun_get+0x171/0x290 [ 53.028847][ T7551] ? lock_downgrade+0x880/0x880 [ 53.033680][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.039914][ T7551] ? kasan_check_read+0x11/0x20 [ 53.044757][ T7551] tun_chr_write_iter+0xbd/0x160 [ 53.049669][ T7551] do_iter_readv_writev+0x5e1/0x8e0 [ 53.054848][ T7551] ? vfs_dedupe_file_range+0x780/0x780 [ 53.060288][ T7551] ? apparmor_file_permission+0x25/0x30 [ 53.065875][ T7551] ? rw_verify_area+0x118/0x360 [ 53.070775][ T7551] do_iter_write+0x184/0x610 [ 53.075348][ T7551] ? dup_iter+0x260/0x260 [ 53.079685][ T7551] vfs_writev+0x1b3/0x2f0 [ 53.083986][ T7551] ? vfs_iter_write+0xb0/0xb0 [ 53.088637][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.094873][ T7551] ? __handle_mm_fault+0x7cd/0x3ec0 [ 53.100061][ T7551] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 53.105579][ T7551] ? find_held_lock+0x35/0x130 [ 53.110324][ T7551] ? __do_page_fault+0x623/0xda0 [ 53.115252][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.121470][ T7551] ? __fget_light+0x1a9/0x230 [ 53.126198][ T7551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.132424][ T7551] do_writev+0xf6/0x290 [ 53.136558][ T7551] ? vfs_writev+0x2f0/0x2f0 [ 53.141040][ T7551] ? do_syscall_64+0x26/0x610 [ 53.145692][ T7551] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.151728][ T7551] ? do_syscall_64+0x26/0x610 [ 53.156488][ T7551] __x64_sys_writev+0x75/0xb0 [ 53.161143][ T7551] do_syscall_64+0x103/0x610 [ 53.165707][ T7551] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.171855][ T7551] RIP: 0033:0x442000 [ 53.175730][ T7551] Code: 05 48 3d 01 f0 ff ff 0f 83 3d 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 11 90 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 14 0f fc ff c3 48 83 ec 08 e8 7a 2b 00 00 [ 53.195308][ T7551] RSP: 002b:00007ffead42a598 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 53.203691][ T7551] RAX: ffffffffffffffda RBX: 00007ffead42a5e0 RCX: 0000000000442000 [ 53.211701][ T7551] RDX: 0000000000000001 RSI: 00007ffead42a5e0 RDI: 00000000000000f0 [ 53.219654][ T7551] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 53.227598][ T7551] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffead42a5b0 [ 53.235542][ T7551] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 53.243487][ T7551] Modules linked in: [ 53.247414][ T7551] ---[ end trace cbbeeaa22a7e78cb ]--- [ 53.252866][ T7551] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 53.258904][ T7551] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 41 93 53 fb e8 ec e7 [ 53.278525][ T7551] RSP: 0018:ffff88808cc37018 EFLAGS: 00010246 [ 53.284823][ T7551] RAX: dffffc0000000000 RBX: ffff888097d05d00 RCX: ffffffff860a8063 [ 53.292809][ T7551] RDX: 0000000000000000 RSI: ffffffff860a80a0 RDI: ffff8880a834bd88 [ 53.300805][ T7551] RBP: ffff88808cc37040 R08: ffff88808e6f43c0 R09: ffffed1015d05bc8 [ 53.309037][ T7551] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 53.317020][ T7551] R13: 0000000000000035 R14: ffff888097d05d10 R15: ffffffffffffffff [ 53.325139][ T7551] FS: 0000000001941880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 53.334070][ T7551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.340700][ T7551] CR2: 0000000020200000 CR3: 0000000092ccd000 CR4: 00000000001406f0 [ 53.348685][ T7551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.356671][ T7551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.364650][ T7551] Kernel panic - not syncing: Fatal exception in interrupt [ 53.372815][ T7551] Kernel Offset: disabled [ 53.377146][ T7551] Rebooting in 86400 seconds..