[ 34.028710][ T26] audit: type=1800 audit(1555431744.145:27): pid=7333 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.050831][ T26] audit: type=1800 audit(1555431744.155:28): pid=7333 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. [ 34.725680][ T26] audit: type=1800 audit(1555431744.915:29): pid=7333 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 [ 34.745908][ T26] audit: type=1800 audit(1555431744.915:30): pid=7333 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 '10.128.0.244' (ECDSA) to the list of known hosts. syzkaller login: [ 62.812752][ T7486] IPVS: ftp: loaded support on port[0] = 21 [ 62.868365][ T7486] chnl_net:caif_netlink_parms(): no params data found [ 62.897125][ T7486] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.904476][ T7486] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.912371][ T7486] device bridge_slave_0 entered promiscuous mode [ 62.921070][ T7486] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.928306][ T7486] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.935905][ T7486] device bridge_slave_1 entered promiscuous mode [ 62.951780][ T7486] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 62.961246][ T7486] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 62.978039][ T7486] team0: Port device team_slave_0 added [ 62.985371][ T7486] team0: Port device team_slave_1 added [ 63.046687][ T7486] device hsr_slave_0 entered promiscuous mode [ 63.104701][ T7486] device hsr_slave_1 entered promiscuous mode [ 63.171133][ T7486] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.178350][ T7486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.186273][ T7486] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.193322][ T7486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.221909][ T7486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.234199][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.254812][ T3756] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.263315][ T3756] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.272805][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.284626][ T7486] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.296648][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.305416][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.312483][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.322245][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.330918][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.338156][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.355857][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.365200][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.373459][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.384626][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.392461][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.403652][ T7486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 63.419000][ T7486] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.476358][ T7486] kasan: CONFIG_KASAN_INLINE enabled [ 63.481897][ T7486] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 63.490023][ T7486] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 63.496966][ T7486] CPU: 0 PID: 7486 Comm: syz-executor200 Not tainted 5.1.0-rc5+ #70 [ 63.504929][ T7486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.515000][ T7486] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 63.521060][ T7486] 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 01 94 51 fb e8 9c e7 [ 63.543954][ T7486] RSP: 0018:ffff8880852df130 EFLAGS: 00010246 [ 63.550010][ T7486] RAX: dffffc0000000000 RBX: ffff888095dc9bc0 RCX: ffffffff860ca3f3 [ 63.557965][ T7486] RDX: 0000000000000000 RSI: ffffffff860ca430 RDI: ffff8880914b6848 [ 63.565925][ T7486] RBP: ffff8880852df158 R08: ffff88808d3925c0 R09: ffffed1015d05bc8 [ 63.573885][ T7486] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 63.581960][ T7486] R13: 0000000000000035 R14: ffff888095dc9bd0 R15: ffffffffffffffff [ 63.589990][ T7486] FS: 0000000000f08880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.598907][ T7486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.605487][ T7486] CR2: 0000000020000110 CR3: 0000000086cef000 CR4: 00000000001406f0 [ 63.613520][ T7486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.621676][ T7486] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.630668][ T7486] Call Trace: [ 63.633950][ T7486] __xfrm_policy_check+0x1f8/0x2730 [ 63.639134][ T7486] ? lock_downgrade+0x880/0x880 [ 63.643963][ T7486] ? kasan_check_read+0x11/0x20 [ 63.648795][ T7486] ? __xfrm_route_forward+0x840/0x840 [ 63.654143][ T7486] ? vti_input+0x217/0x7b0 [ 63.658646][ T7486] ? find_held_lock+0x35/0x130 [ 63.663401][ T7486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.669636][ T7486] ? ip_tunnel_lookup+0xa0f/0xe00 [ 63.674656][ T7486] vti_input+0x4e3/0x7b0 [ 63.678885][ T7486] vti_rcv+0x10b/0x140 [ 63.683033][ T7486] xfrm4_esp_rcv+0xd8/0x240 [ 63.687646][ T7486] ip_protocol_deliver_rcu+0x60/0x8f0 [ 63.693009][ T7486] ? kasan_check_read+0x11/0x20 [ 63.698596][ T7486] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 63.704669][ T7486] ip_local_deliver_finish+0x23b/0x390 [ 63.711390][ T7486] ip_local_deliver+0x1e9/0x520 [ 63.716232][ T7486] ? ip_local_deliver_finish+0x390/0x390 [ 63.721853][ T7486] ? ip_protocol_deliver_rcu+0x8f0/0x8f0 [ 63.727555][ T7486] ? ip_rcv_finish_core.isra.0+0x7ff/0x1b70 [ 63.733463][ T7486] ip_rcv_finish+0x1e1/0x300 [ 63.738042][ T7486] ip_rcv+0xe8/0x3f0 [ 63.742019][ T7486] ? ip_local_deliver+0x520/0x520 [ 63.747140][ T7486] ? ip_rcv_finish_core.isra.0+0x1b70/0x1b70 [ 63.753128][ T7486] ? mark_held_locks+0xf0/0xf0 [ 63.757934][ T7486] ? ip_local_deliver+0x520/0x520 [ 63.762954][ T7486] __netif_receive_skb_one_core+0x115/0x1a0 [ 63.768933][ T7486] ? __netif_receive_skb_core+0x3040/0x3040 [ 63.774915][ T7486] ? lock_acquire+0x16f/0x3f0 [ 63.779587][ T7486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.785815][ T7486] __netif_receive_skb+0x2c/0x1c0 [ 63.790829][ T7486] netif_receive_skb_internal+0x117/0x660 [ 63.796534][ T7486] ? dev_cpu_dead+0x920/0x920 [ 63.801195][ T7486] ? eth_gro_receive+0x890/0x890 [ 63.806117][ T7486] napi_gro_frags+0xade/0xd10 [ 63.810772][ T7486] tun_get_user+0x2f24/0x3fb0 [ 63.815430][ T7486] ? tun_build_skb.isra.0+0x1300/0x1300 [ 63.821030][ T7486] ? tun_get+0x171/0x290 [ 63.825270][ T7486] ? lock_downgrade+0x880/0x880 [ 63.830105][ T7486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.836386][ T7486] ? kasan_check_read+0x11/0x20 [ 63.841307][ T7486] tun_chr_write_iter+0xbd/0x156 [ 63.846853][ T7486] do_iter_readv_writev+0x5e1/0x8e0 [ 63.852031][ T7486] ? vfs_dedupe_file_range+0x780/0x780 [ 63.857481][ T7486] ? apparmor_file_permission+0x25/0x30 [ 63.863028][ T7486] ? rw_verify_area+0x118/0x360 [ 63.867867][ T7486] do_iter_write+0x184/0x610 [ 63.872750][ T7486] ? dup_iter+0x260/0x260 [ 63.877562][ T7486] ? sock_ioctl+0x34b/0x610 [ 63.882048][ T7486] vfs_writev+0x1b3/0x2f0 [ 63.886365][ T7486] ? vfs_iter_write+0xb0/0xb0 [ 63.891029][ T7486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.897353][ T7486] ? do_vfs_ioctl+0x120/0x1390 [ 63.902104][ T7486] ? ioctl_preallocate+0x210/0x210 [ 63.907204][ T7486] ? __do_page_fault+0x623/0xda0 [ 63.912143][ T7486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.918367][ T7486] ? __fget_light+0x1a9/0x230 [ 63.923025][ T7486] do_writev+0x15e/0x370 [ 63.927356][ T7486] ? vfs_writev+0x2f0/0x2f0 [ 63.931857][ T7486] ? do_syscall_64+0x26/0x610 [ 63.936524][ T7486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.942579][ T7486] ? do_syscall_64+0x26/0x610 [ 63.947336][ T7486] __x64_sys_writev+0x75/0xb0 [ 63.952088][ T7486] do_syscall_64+0x103/0x610 [ 63.956674][ T7486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.962554][ T7486] RIP: 0033:0x441ff0 [ 63.966516][ T7486] 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 21 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 [ 63.987433][ T7486] RSP: 002b:00007ffd830b5568 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 63.995840][ T7486] RAX: ffffffffffffffda RBX: 00007ffd830b55a0 RCX: 0000000000441ff0 [ 64.003796][ T7486] RDX: 0000000000000001 RSI: 00007ffd830b55a0 RDI: 00000000000000f0 [ 64.011810][ T7486] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 64.019851][ T7486] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd830b5570 [ 64.027859][ T7486] R13: 0000000000403420 R14: 0000000000000000 R15: 0000000000000000 [ 64.036675][ T7486] Modules linked in: [ 64.040611][ T7486] ---[ end trace 2c2c54578fbdcb91 ]--- [ 64.046088][ T7486] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 64.052056][ T7486] 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 01 94 51 fb e8 9c e7 [ 64.071830][ T7486] RSP: 0018:ffff8880852df130 EFLAGS: 00010246 [ 64.078694][ T7486] RAX: dffffc0000000000 RBX: ffff888095dc9bc0 RCX: ffffffff860ca3f3 [ 64.087062][ T7486] RDX: 0000000000000000 RSI: ffffffff860ca430 RDI: ffff8880914b6848 [ 64.096889][ T7486] RBP: ffff8880852df158 R08: ffff88808d3925c0 R09: ffffed1015d05bc8 [ 64.104879][ T7486] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 64.112854][ T7486] R13: 0000000000000035 R14: ffff888095dc9bd0 R15: ffffffffffffffff [ 64.120846][ T7486] FS: 0000000000f08880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 64.129912][ T7486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.136631][ T7486] CR2: 0000000020000110 CR3: 0000000086cef000 CR4: 00000000001406f0 [ 64.144627][ T7486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.152996][ T7486] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.161648][ T7486] Kernel panic - not syncing: Fatal exception in interrupt [ 64.169860][ T7486] Kernel Offset: disabled [ 64.174290][ T7486] Rebooting in 86400 seconds..