[ 34.723796] audit: type=1800 audit(1551187195.587:27): pid=7442 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.751184] audit: type=1800 audit(1551187195.587:28): pid=7442 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 35.525513] audit: type=1800 audit(1551187196.447:29): pid=7442 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.544133] audit: type=1800 audit(1551187196.447:30): pid=7442 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.10.22' (ECDSA) to the list of known hosts. syzkaller login: [ 91.135327] IPVS: ftp: loaded support on port[0] = 21 [ 91.189090] chnl_net:caif_netlink_parms(): no params data found [ 91.218065] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.224866] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.231792] device bridge_slave_0 entered promiscuous mode [ 91.238701] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.245155] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.252066] device bridge_slave_1 entered promiscuous mode [ 91.267064] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 91.276231] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 91.291922] team0: Port device team_slave_0 added [ 91.297898] team0: Port device team_slave_1 added [ 91.371982] device hsr_slave_0 entered promiscuous mode [ 91.440119] device hsr_slave_1 entered promiscuous mode [ 91.517061] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.523494] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.530364] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.536808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.561214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.574542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.583497] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.592120] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.599102] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.608929] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.618056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.625965] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.632342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.652275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.659840] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.666240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.673430] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.681484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.688959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.696424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.705169] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.712873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 91.728128] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.738064] kasan: CONFIG_KASAN_INLINE enabled [ 91.742740] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 91.750137] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 91.756359] CPU: 0 PID: 7597 Comm: syz-executor858 Not tainted 5.0.0-rc8+ #88 [ 91.763608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.772951] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 91.778201] 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 d1 41 5b fb e8 fc 7d [ 91.797090] RSP: 0018:ffff88808dd0f120 EFLAGS: 00010246 [ 91.802429] RAX: dffffc0000000000 RBX: ffff88808af0c180 RCX: ffffffff86026003 [ 91.809673] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff8880905969c8 [ 91.817009] RBP: ffff88808dd0f148 R08: ffff88809629a500 R09: ffffed1015d05bd0 [ 91.824251] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 91.831513] R13: 0000000000000037 R14: ffff88808af0c190 R15: ffffffffffffffff [ 91.838761] FS: 0000000000d0c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.846966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.852824] CR2: 0000000020000040 CR3: 000000008fce2000 CR4: 00000000001406f0 [ 91.860084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.867370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.874615] Call Trace: [ 91.877195] __xfrm_policy_check+0x1f8/0x2730 [ 91.881671] ? lock_downgrade+0x810/0x810 [ 91.885800] ? __xfrm_route_forward+0x860/0x860 [ 91.890448] ? __lock_acquire+0x53b/0x4700 [ 91.894664] ? __lock_is_held+0xb6/0x140 [ 91.898703] ? check_preemption_disabled+0x48/0x290 [ 91.903702] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 91.909140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.914656] ? ip_tunnel_lookup+0xa0f/0xe00 [ 91.918969] vti_input+0x4e3/0x7b0 [ 91.922489] vti_rcv+0x10b/0x140 [ 91.925900] xfrm4_esp_rcv+0xd8/0x230 [ 91.929682] ip_protocol_deliver_rcu+0x60/0x8e0 [ 91.934333] ? kasan_check_read+0x11/0x20 [ 91.938459] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 91.943628] ip_local_deliver_finish+0x23b/0x390 [ 91.948363] ip_local_deliver+0x1e9/0x520 [ 91.952514] ? ip_local_deliver_finish+0x390/0x390 [ 91.957423] ? ip_protocol_deliver_rcu+0x8e0/0x8e0 [ 91.962330] ? ip_rcv_finish_core.isra.0+0x82c/0x1b80 [ 91.967500] ip_rcv_finish+0x1db/0x2f0 [ 91.971376] ip_rcv+0xe8/0x3f0 [ 91.974583] ? ip_local_deliver+0x520/0x520 [ 91.978881] ? ip_rcv_finish_core.isra.0+0x1b80/0x1b80 [ 91.984132] ? ip_local_deliver+0x520/0x520 [ 91.988445] __netif_receive_skb_one_core+0x115/0x1a0 [ 91.993608] ? __netif_receive_skb_core+0x3010/0x3010 [ 91.998776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.004288] ? check_preemption_disabled+0x48/0x290 [ 92.009280] ? lock_acquire+0x16f/0x3f0 [ 92.013228] __netif_receive_skb+0x2c/0x1c0 [ 92.017530] netif_receive_skb_internal+0x117/0x660 [ 92.022529] ? dev_cpu_dead+0x920/0x920 [ 92.026478] ? eth_gro_receive+0x890/0x890 [ 92.030706] napi_gro_frags+0xade/0xd10 [ 92.034657] tun_get_user+0x2c0e/0x3dd0 [ 92.038613] ? tun_build_skb.isra.0+0x1150/0x1150 [ 92.043440] ? tun_get+0x171/0x290 [ 92.046955] ? lock_downgrade+0x810/0x810 [ 92.051084] ? kasan_check_read+0x11/0x20 [ 92.055211] tun_chr_write_iter+0xbd/0x160 [ 92.059421] do_iter_readv_writev+0x5e0/0x8e0 [ 92.063890] ? vfs_dedupe_file_range+0x780/0x780 [ 92.068622] ? rw_copy_check_uvector+0x2a6/0x330 [ 92.073358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.078889] ? rw_verify_area+0x118/0x360 [ 92.083033] do_iter_write+0x184/0x610 [ 92.086898] ? dup_iter+0x260/0x260 [ 92.090528] vfs_writev+0x1b3/0x2f0 [ 92.094131] ? vfs_iter_write+0xb0/0xb0 [ 92.098107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.103621] ? __handle_mm_fault+0x7cd/0x3f20 [ 92.108108] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 92.112927] ? find_held_lock+0x35/0x130 [ 92.116984] ? __do_page_fault+0x610/0xd60 [ 92.121213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.126727] ? __fget_light+0x1a9/0x230 [ 92.130679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.136195] do_writev+0xf6/0x290 [ 92.139629] ? vfs_writev+0x2f0/0x2f0 [ 92.143412] ? do_syscall_64+0x26/0x610 [ 92.147362] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.152704] ? do_syscall_64+0x26/0x610 [ 92.156656] __x64_sys_writev+0x75/0xb0 [ 92.160609] do_syscall_64+0x103/0x610 [ 92.164476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.169642] RIP: 0033:0x441e60 [ 92.172812] 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 b1 91 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 [ 92.191692] RSP: 002b:00007ffdc8b03108 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 92.199369] RAX: ffffffffffffffda RBX: 00007ffdc8b03140 RCX: 0000000000441e60 [ 92.206610] RDX: 0000000000000001 RSI: 00007ffdc8b03140 RDI: 00000000000000f0 [ 92.213850] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 92.221114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.228357] R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 [ 92.235602] Modules linked in: [ 92.238842] ---[ end trace 9c7e62dc6862a283 ]--- [ 92.243617] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 92.248875] 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 d1 41 5b fb e8 fc 7d [ 92.267803] RSP: 0018:ffff88808dd0f120 EFLAGS: 00010246 [ 92.273172] RAX: dffffc0000000000 RBX: ffff88808af0c180 RCX: ffffffff86026003 [ 92.280465] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff8880905969c8 [ 92.287738] RBP: ffff88808dd0f148 R08: ffff88809629a500 R09: ffffed1015d05bd0 [ 92.295015] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 92.302294] R13: 0000000000000037 R14: ffff88808af0c190 R15: ffffffffffffffff [ 92.309548] FS: 0000000000d0c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 92.317780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.323672] CR2: 0000000020000040 CR3: 000000008fce2000 CR4: 00000000001406f0 [ 92.330981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.338243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.345524] Kernel panic - not syncing: Fatal exception in interrupt [ 92.352967] Kernel Offset: disabled [ 92.356585] Rebooting in 86400 seconds..