[ 38.097854][ T26] audit: type=1800 audit(1555430078.332:27): pid=7600 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 38.132809][ T26] audit: type=1800 audit(1555430078.342:28): pid=7600 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. [ 38.777115][ T26] audit: type=1800 audit(1555430079.072:29): pid=7600 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 [ 38.797688][ T26] audit: type=1800 audit(1555430079.072:30): pid=7600 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 '10.128.0.54' (ECDSA) to the list of known hosts. syzkaller login: [ 78.449204][ T7752] IPVS: ftp: loaded support on port[0] = 21 [ 78.511843][ T7752] chnl_net:caif_netlink_parms(): no params data found [ 78.543957][ T7752] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.551807][ T7752] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.559938][ T7752] device bridge_slave_0 entered promiscuous mode [ 78.568240][ T7752] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.575480][ T7752] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.583200][ T7752] device bridge_slave_1 entered promiscuous mode [ 78.603205][ T7752] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.613194][ T7752] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.631509][ T7752] team0: Port device team_slave_0 added [ 78.638820][ T7752] team0: Port device team_slave_1 added [ 78.720532][ T7752] device hsr_slave_0 entered promiscuous mode [ 78.789264][ T7752] device hsr_slave_1 entered promiscuous mode [ 78.866046][ T7752] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.873433][ T7752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.881341][ T7752] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.888422][ T7752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.923162][ T7752] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.934415][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.955987][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.964711][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.974643][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.986713][ T7752] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.997425][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.006039][ T2856] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.013134][ T2856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.029463][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.039814][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.047184][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.061912][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.070756][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.082800][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.096897][ T7752] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 79.109466][ T7752] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.121794][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 79.131293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.140341][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.159027][ T7752] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.216255][ T7752] kasan: CONFIG_KASAN_INLINE enabled [ 79.221766][ T7752] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 79.229943][ T7752] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 79.236892][ T7752] CPU: 1 PID: 7752 Comm: syz-executor685 Not tainted 5.1.0-rc4+ #169 [ 79.245040][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.255250][ T7752] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 79.269055][ T7752] 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 21 6e 51 fb e8 ac c1 [ 79.289064][ T7752] RSP: 0018:ffff8880a952f130 EFLAGS: 00010246 [ 79.295118][ T7752] RAX: dffffc0000000000 RBX: ffff8880a1588b40 RCX: ffffffff860ccc33 [ 79.303389][ T7752] RDX: 0000000000000000 RSI: ffffffff860ccc70 RDI: ffff8880a8dd8d88 [ 79.311657][ T7752] RBP: ffff8880a952f158 R08: ffff8880a53e62c0 R09: ffffed1015d25bc8 [ 79.319713][ T7752] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 79.327680][ T7752] R13: 0000000000000035 R14: ffff8880a1588b50 R15: ffffffffffffffff [ 79.336601][ T7752] FS: 0000000000da4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 79.345565][ T7752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.352346][ T7752] CR2: 0000000020000110 CR3: 0000000094615000 CR4: 00000000001406e0 [ 79.360469][ T7752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.368511][ T7752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.377019][ T7752] Call Trace: [ 79.380307][ T7752] __xfrm_policy_check+0x1f8/0x2730 [ 79.385580][ T7752] ? lock_downgrade+0x880/0x880 [ 79.390439][ T7752] ? kasan_check_read+0x11/0x20 [ 79.395282][ T7752] ? __xfrm_route_forward+0x840/0x840 [ 79.400753][ T7752] ? vti_input+0x217/0x7b0 [ 79.405465][ T7752] ? find_held_lock+0x35/0x130 [ 79.410378][ T7752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.416629][ T7752] ? ip_tunnel_lookup+0xa0f/0xe00 [ 79.421655][ T7752] vti_input+0x4e3/0x7b0 [ 79.426289][ T7752] vti_rcv+0x10b/0x140 [ 79.430346][ T7752] xfrm4_esp_rcv+0xd8/0x240 [ 79.434835][ T7752] ip_protocol_deliver_rcu+0x60/0x8f0 [ 79.440386][ T7752] ? kasan_check_read+0x11/0x20 [ 79.445232][ T7752] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 79.451127][ T7752] ip_local_deliver_finish+0x23b/0x390 [ 79.456578][ T7752] ip_local_deliver+0x1e9/0x520 [ 79.461694][ T7752] ? ip_local_deliver_finish+0x390/0x390 [ 79.467334][ T7752] ? ip_protocol_deliver_rcu+0x8f0/0x8f0 [ 79.473018][ T7752] ? ip_rcv_finish_core.isra.0+0x7ff/0x1b70 [ 79.478907][ T7752] ip_rcv_finish+0x1e1/0x300 [ 79.483485][ T7752] ip_rcv+0xe8/0x3f0 [ 79.487496][ T7752] ? ip_local_deliver+0x520/0x520 [ 79.492621][ T7752] ? ip_rcv_finish_core.isra.0+0x1b70/0x1b70 [ 79.498600][ T7752] ? mark_held_locks+0xf0/0xf0 [ 79.503348][ T7752] ? ip_local_deliver+0x520/0x520 [ 79.508363][ T7752] __netif_receive_skb_one_core+0x115/0x1a0 [ 79.514810][ T7752] ? __netif_receive_skb_core+0x3040/0x3040 [ 79.521130][ T7752] ? lock_acquire+0x16f/0x3f0 [ 79.525811][ T7752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.532048][ T7752] __netif_receive_skb+0x2c/0x1c0 [ 79.537075][ T7752] netif_receive_skb_internal+0x117/0x660 [ 79.542984][ T7752] ? dev_cpu_dead+0x920/0x920 [ 79.547670][ T7752] ? eth_gro_receive+0x890/0x890 [ 79.552794][ T7752] napi_gro_frags+0xade/0xd10 [ 79.557613][ T7752] tun_get_user+0x2f24/0x3fb0 [ 79.562293][ T7752] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 79.568039][ T7752] ? tun_get+0x171/0x290 [ 79.572281][ T7752] ? lock_downgrade+0x880/0x880 [ 79.577131][ T7752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.583487][ T7752] ? kasan_check_read+0x11/0x20 [ 79.588768][ T7752] tun_chr_write_iter+0xbd/0x156 [ 79.593720][ T7752] do_iter_readv_writev+0x5e1/0x8e0 [ 79.598919][ T7752] ? vfs_dedupe_file_range+0x780/0x780 [ 79.605112][ T7752] ? apparmor_file_permission+0x25/0x30 [ 79.610660][ T7752] ? rw_verify_area+0x118/0x360 [ 79.615522][ T7752] do_iter_write+0x184/0x610 [ 79.620125][ T7752] ? dup_iter+0x260/0x260 [ 79.624467][ T7752] vfs_writev+0x1b3/0x2f0 [ 79.628795][ T7752] ? vfs_iter_write+0xb0/0xb0 [ 79.633572][ T7752] ? __fd_install+0x1bc/0x640 [ 79.638351][ T7752] ? find_held_lock+0x35/0x130 [ 79.643214][ T7752] ? lock_downgrade+0x880/0x880 [ 79.648153][ T7752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.654500][ T7752] ? kasan_check_read+0x11/0x20 [ 79.659442][ T7752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.665786][ T7752] ? __fget_light+0x1a9/0x230 [ 79.670538][ T7752] do_writev+0x15e/0x370 [ 79.674886][ T7752] ? vfs_writev+0x2f0/0x2f0 [ 79.679394][ T7752] ? do_syscall_64+0x26/0x610 [ 79.684079][ T7752] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.690144][ T7752] ? do_syscall_64+0x26/0x610 [ 79.694824][ T7752] __x64_sys_writev+0x75/0xb0 [ 79.699549][ T7752] do_syscall_64+0x103/0x610 [ 79.705600][ T7752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.711489][ T7752] RIP: 0033:0x442020 [ 79.715607][ T7752] 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 f1 8f 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 [ 79.735475][ T7752] RSP: 002b:00007ffe35b5e598 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.743881][ T7752] RAX: ffffffffffffffda RBX: 00007ffe35b5e5d0 RCX: 0000000000442020 [ 79.751845][ T7752] RDX: 0000000000000001 RSI: 00007ffe35b5e5d0 RDI: 00000000000000f0 [ 79.759812][ T7752] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 79.767790][ T7752] R10: 00000000bb1414ac R11: 0000000000000246 R12: 00007ffe35b5e5a0 [ 79.776488][ T7752] R13: 0000000000403450 R14: 0000000000000000 R15: 0000000000000000 [ 79.784506][ T7752] Modules linked in: [ 79.788528][ T7752] ---[ end trace 65127a89b570b1f4 ]--- [ 79.794206][ T7752] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 79.800241][ T7752] 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 21 6e 51 fb e8 ac c1 [ 79.820843][ T7752] RSP: 0018:ffff8880a952f130 EFLAGS: 00010246 [ 79.826954][ T7752] RAX: dffffc0000000000 RBX: ffff8880a1588b40 RCX: ffffffff860ccc33 [ 79.835714][ T7752] RDX: 0000000000000000 RSI: ffffffff860ccc70 RDI: ffff8880a8dd8d88 [ 79.843937][ T7752] RBP: ffff8880a952f158 R08: ffff8880a53e62c0 R09: ffffed1015d25bc8 [ 79.851972][ T7752] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 79.860140][ T7752] R13: 0000000000000035 R14: ffff8880a1588b50 R15: ffffffffffffffff [ 79.868184][ T7752] FS: 0000000000da4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 79.877220][ T7752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.883915][ T7752] CR2: 0000000020000110 CR3: 0000000094615000 CR4: 00000000001406e0 [ 79.892056][ T7752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.900248][ T7752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.908342][ T7752] Kernel panic - not syncing: Fatal exception in interrupt [ 79.916683][ T7752] Kernel Offset: disabled [ 79.921032][ T7752] Rebooting in 86400 seconds..