[ 33.441936][ T26] audit: type=1800 audit(1551399351.513:27): pid=7376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 33.473482][ T26] audit: type=1800 audit(1551399351.513:28): pid=7376 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. [ 34.232337][ T26] audit: type=1800 audit(1551399352.353:29): pid=7376 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 [ 34.252971][ T26] audit: type=1800 audit(1551399352.363:30): pid=7376 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 '10.128.0.89' (ECDSA) to the list of known hosts. syzkaller login: [ 58.582968][ T7531] IPVS: ftp: loaded support on port[0] = 21 [ 58.634431][ T7531] chnl_net:caif_netlink_parms(): no params data found [ 58.663011][ T7531] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.671265][ T7531] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.678954][ T7531] device bridge_slave_0 entered promiscuous mode [ 58.687074][ T7531] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.694244][ T7531] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.701870][ T7531] device bridge_slave_1 entered promiscuous mode [ 58.718024][ T7531] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.727576][ T7531] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.743668][ T7531] team0: Port device team_slave_0 added [ 58.750463][ T7531] team0: Port device team_slave_1 added [ 58.815344][ T7531] device hsr_slave_0 entered promiscuous mode [ 58.864056][ T7531] device hsr_slave_1 entered promiscuous mode [ 58.930253][ T7531] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.937423][ T7531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.945012][ T7531] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.952099][ T7531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.982131][ T7531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.995356][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.016608][ T3480] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.025659][ T3480] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.034399][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.046245][ T7531] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.056778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.065226][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.072256][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.084302][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.092641][ T3480] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.099774][ T3480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.116002][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.124983][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.136347][ T7533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.150174][ T7531] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.161574][ T7531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.173506][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 59.182378][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.191194][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.207669][ T7531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.222161][ T7531] kasan: CONFIG_KASAN_INLINE enabled [ 59.227566][ T7531] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 59.235673][ T7531] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 59.242605][ T7531] CPU: 1 PID: 7531 Comm: syz-executor657 Not tainted 5.0.0-rc8-next-20190228 #45 [ 59.251719][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.261814][ T7531] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 59.267783][ T7531] 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 [ 59.287369][ T7531] RSP: 0018:ffff8880952cf018 EFLAGS: 00010246 [ 59.293546][ T7531] RAX: dffffc0000000000 RBX: ffff8880a1683e80 RCX: ffffffff860a8063 [ 59.301498][ T7531] RDX: 0000000000000000 RSI: ffffffff860a80a0 RDI: ffff88809a4b5d88 [ 59.309455][ T7531] RBP: ffff8880952cf040 R08: ffff8880906bc340 R09: ffffed1015d25bc8 [ 59.317402][ T7531] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 59.325350][ T7531] R13: 0000000000000035 R14: ffff8880a1683e90 R15: ffffffffffffffff [ 59.333298][ T7531] FS: 0000000001af9880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 59.342199][ T7531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.348756][ T7531] CR2: 0000000020200000 CR3: 0000000099de8000 CR4: 00000000001406e0 [ 59.356708][ T7531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.364752][ T7531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.372791][ T7531] Call Trace: [ 59.376067][ T7531] __xfrm_policy_check+0x1f8/0x2730 [ 59.381241][ T7531] ? find_held_lock+0x35/0x130 [ 59.386035][ T7531] ? vti6_tnl_lookup+0x287/0x1020 [ 59.391044][ T7531] ? __xfrm_route_forward+0x840/0x840 [ 59.396395][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.402619][ T7531] ? vti6_tnl_lookup+0x69a/0x1020 [ 59.407629][ T7531] ? vti6_init_net+0x820/0x820 [ 59.412377][ T7531] vti6_rcv+0x51a/0x970 [ 59.416559][ T7531] xfrm6_esp_rcv+0xd8/0x230 [ 59.421054][ T7531] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 59.426666][ T7531] ? lock_acquire+0x16f/0x3f0 [ 59.431324][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.437552][ T7531] ? rcu_rnp_online_cpus+0x40/0x40 [ 59.442691][ T7531] ip6_input_finish+0x84/0x170 [ 59.447446][ T7531] ip6_input+0xe4/0x3f0 [ 59.451587][ T7531] ? ip6_input_finish+0x170/0x170 [ 59.456593][ T7531] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 59.462734][ T7531] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 59.468005][ T7531] ip6_mc_input+0x4aa/0xf30 [ 59.472498][ T7531] ? ip6_input+0x3f0/0x3f0 [ 59.476954][ T7531] ip6_rcv_finish+0x1e7/0x320 [ 59.481616][ T7531] ipv6_rcv+0x10e/0x420 [ 59.485752][ T7531] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 59.491197][ T7531] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 59.497076][ T7531] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 59.502861][ T7531] __netif_receive_skb_one_core+0x115/0x1a0 [ 59.508739][ T7531] ? __netif_receive_skb_core+0x3010/0x3010 [ 59.514627][ T7531] ? lock_acquire+0x16f/0x3f0 [ 59.519286][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.525508][ T7531] __netif_receive_skb+0x2c/0x1c0 [ 59.530540][ T7531] netif_receive_skb_internal+0x117/0x660 [ 59.536244][ T7531] ? dev_cpu_dead+0x920/0x920 [ 59.540903][ T7531] ? eth_gro_receive+0x890/0x890 [ 59.545822][ T7531] napi_gro_frags+0xade/0xd10 [ 59.550485][ T7531] tun_get_user+0x2c17/0x3d70 [ 59.555149][ T7531] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 59.560668][ T7531] ? tun_get+0x171/0x290 [ 59.564895][ T7531] ? lock_downgrade+0x880/0x880 [ 59.569722][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.575980][ T7531] ? kasan_check_read+0x11/0x20 [ 59.580820][ T7531] tun_chr_write_iter+0xbd/0x160 [ 59.585742][ T7531] do_iter_readv_writev+0x5e1/0x8e0 [ 59.590916][ T7531] ? vfs_dedupe_file_range+0x780/0x780 [ 59.596354][ T7531] ? apparmor_file_permission+0x25/0x30 [ 59.601880][ T7531] ? rw_verify_area+0x118/0x360 [ 59.606707][ T7531] do_iter_write+0x184/0x610 [ 59.611279][ T7531] ? dup_iter+0x260/0x260 [ 59.615593][ T7531] vfs_writev+0x1b3/0x2f0 [ 59.619971][ T7531] ? vfs_iter_write+0xb0/0xb0 [ 59.624633][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.630851][ T7531] ? __handle_mm_fault+0x7cd/0x3ec0 [ 59.636117][ T7531] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 59.641685][ T7531] ? find_held_lock+0x35/0x130 [ 59.646614][ T7531] ? __do_page_fault+0x623/0xda0 [ 59.651542][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.657767][ T7531] ? __fget_light+0x1a9/0x230 [ 59.662428][ T7531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.668652][ T7531] do_writev+0xf6/0x290 [ 59.672786][ T7531] ? vfs_writev+0x2f0/0x2f0 [ 59.677427][ T7531] ? do_syscall_64+0x26/0x610 [ 59.682091][ T7531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.688191][ T7531] ? do_syscall_64+0x26/0x610 [ 59.692860][ T7531] __x64_sys_writev+0x75/0xb0 [ 59.697525][ T7531] do_syscall_64+0x103/0x610 [ 59.702097][ T7531] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.707962][ T7531] RIP: 0033:0x442000 [ 59.711833][ T7531] 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 [ 59.731415][ T7531] RSP: 002b:00007ffde7134428 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 59.739899][ T7531] RAX: ffffffffffffffda RBX: 00007ffde7134470 RCX: 0000000000442000 [ 59.747848][ T7531] RDX: 0000000000000001 RSI: 00007ffde7134470 RDI: 00000000000000f0 [ 59.755793][ T7531] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 59.763741][ T7531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde7134440 [ 59.771734][ T7531] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 59.779691][ T7531] Modules linked in: [ 59.783629][ T7531] ---[ end trace 11a47ffc46c72473 ]--- [ 59.789085][ T7531] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 59.795093][ T7531] 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 [ 59.814816][ T7531] RSP: 0018:ffff8880952cf018 EFLAGS: 00010246 [ 59.820889][ T7531] RAX: dffffc0000000000 RBX: ffff8880a1683e80 RCX: ffffffff860a8063 [ 59.828923][ T7531] RDX: 0000000000000000 RSI: ffffffff860a80a0 RDI: ffff88809a4b5d88 [ 59.836925][ T7531] RBP: ffff8880952cf040 R08: ffff8880906bc340 R09: ffffed1015d25bc8 [ 59.844916][ T7531] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 59.852892][ T7531] R13: 0000000000000035 R14: ffff8880a1683e90 R15: ffffffffffffffff [ 59.860899][ T7531] FS: 0000000001af9880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 59.869845][ T7531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.876448][ T7531] CR2: 0000000020200000 CR3: 0000000099de8000 CR4: 00000000001406e0 [ 59.884541][ T7531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.892498][ T7531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.900565][ T7531] Kernel panic - not syncing: Fatal exception in interrupt [ 59.908698][ T7531] Kernel Offset: disabled [ 59.913078][ T7531] Rebooting in 86400 seconds..