[ 34.196050] audit: type=1800 audit(1551159399.782:27): pid=7393 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.215807] audit: type=1800 audit(1551159399.782:28): pid=7393 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. [ 34.673717] audit: type=1800 audit(1551159400.332:29): pid=7393 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 [ 34.693393] audit: type=1800 audit(1551159400.332:30): pid=7393 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 '10.128.0.162' (ECDSA) to the list of known hosts. syzkaller login: [ 61.578325] IPVS: ftp: loaded support on port[0] = 21 [ 61.628924] chnl_net:caif_netlink_parms(): no params data found [ 61.653832] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.660568] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.667535] device bridge_slave_0 entered promiscuous mode [ 61.674641] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.681022] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.687754] device bridge_slave_1 entered promiscuous mode [ 61.699990] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.708397] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.723469] team0: Port device team_slave_0 added [ 61.729271] team0: Port device team_slave_1 added [ 61.790364] device hsr_slave_0 entered promiscuous mode [ 61.839460] device hsr_slave_1 entered promiscuous mode [ 61.904948] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.911449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.918256] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.924662] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.951074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.961934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.970773] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.978224] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.985809] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.996530] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.006016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.013956] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.020339] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.040369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.048059] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.054504] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.062107] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.069907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.077680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.086324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.093834] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 62.103228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.119192] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.129249] kasan: CONFIG_KASAN_INLINE enabled [ 62.134001] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 62.141402] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 62.147698] CPU: 1 PID: 7547 Comm: syz-executor013 Not tainted 5.0.0-rc7+ #96 [ 62.154947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.164483] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 62.169846] 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 71 34 5b fb e8 9c 70 [ 62.188981] RSP: 0018:ffff88808f2e7120 EFLAGS: 00010246 [ 62.194353] RAX: dffffc0000000000 RBX: ffff88808b8332c0 RCX: ffffffff86026fc3 [ 62.201757] RDX: 0000000000000000 RSI: ffffffff86027000 RDI: ffff88808d2f76c8 [ 62.209241] RBP: ffff88808f2e7148 R08: ffff88809064a080 R09: ffffed1015d25bd0 [ 62.216503] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 62.223874] R13: 0000000000000037 R14: ffff88808b8332d0 R15: ffffffffffffffff [ 62.231169] FS: 0000000001f58880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 62.239373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.245279] CR2: 0000000020000040 CR3: 00000000a1af0000 CR4: 00000000001406e0 [ 62.252531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.259779] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.267054] Call Trace: [ 62.269626] __xfrm_policy_check+0x1f8/0x2730 [ 62.274101] ? lock_downgrade+0x810/0x810 [ 62.278224] ? __xfrm_route_forward+0x860/0x860 [ 62.282870] ? __lock_acquire+0x53b/0x4700 [ 62.287081] ? __lock_is_held+0xb6/0x140 [ 62.291253] ? check_preemption_disabled+0x48/0x290 [ 62.296332] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 62.301811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.307330] ? ip_tunnel_lookup+0xa0f/0xe00 [ 62.311652] vti_input+0x4e3/0x7b0 [ 62.315172] vti_rcv+0x10b/0x140 [ 62.318522] xfrm4_esp_rcv+0xd8/0x230 [ 62.322321] ip_protocol_deliver_rcu+0x60/0x8e0 [ 62.326989] ? kasan_check_read+0x11/0x20 [ 62.331179] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 62.336469] ip_local_deliver_finish+0x23b/0x390 [ 62.341335] ip_local_deliver+0x1e9/0x520 [ 62.345464] ? ip_local_deliver_finish+0x390/0x390 [ 62.350369] ? ip_protocol_deliver_rcu+0x8e0/0x8e0 [ 62.355403] ? ip_rcv_finish_core.isra.0+0x82c/0x1b80 [ 62.360571] ip_rcv_finish+0x1db/0x2f0 [ 62.364438] ip_rcv+0xe8/0x3f0 [ 62.367623] ? ip_local_deliver+0x520/0x520 [ 62.371922] ? ip_rcv_finish_core.isra.0+0x1b80/0x1b80 [ 62.377186] ? ip_local_deliver+0x520/0x520 [ 62.381483] __netif_receive_skb_one_core+0x115/0x1a0 [ 62.386673] ? __netif_receive_skb_core+0x3010/0x3010 [ 62.392075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.397588] ? check_preemption_disabled+0x48/0x290 [ 62.402577] ? lock_acquire+0x16f/0x3f0 [ 62.406527] __netif_receive_skb+0x2c/0x1c0 [ 62.410823] netif_receive_skb_internal+0x117/0x660 [ 62.415921] ? dev_cpu_dead+0x920/0x920 [ 62.419872] ? eth_gro_receive+0x890/0x890 [ 62.424085] napi_gro_frags+0xade/0xd10 [ 62.428038] tun_get_user+0x2c0e/0x3dd0 [ 62.432008] ? tun_build_skb.isra.0+0x1150/0x1150 [ 62.436928] ? tun_get+0x171/0x290 [ 62.440477] ? lock_downgrade+0x810/0x810 [ 62.444612] ? kasan_check_read+0x11/0x20 [ 62.448740] tun_chr_write_iter+0xbd/0x160 [ 62.452956] do_iter_readv_writev+0x5e0/0x8e0 [ 62.457426] ? vfs_dedupe_file_range+0x780/0x780 [ 62.462275] ? apparmor_file_permission+0x25/0x30 [ 62.467140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.472664] ? rw_verify_area+0x118/0x360 [ 62.476787] do_iter_write+0x184/0x610 [ 62.480687] ? dup_iter+0x260/0x260 [ 62.484434] vfs_writev+0x1b3/0x2f0 [ 62.488040] ? vfs_iter_write+0xb0/0xb0 [ 62.492005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.497554] ? __handle_mm_fault+0x7cd/0x3f20 [ 62.502095] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 62.506920] ? find_held_lock+0x35/0x130 [ 62.510961] ? __do_page_fault+0x610/0xd60 [ 62.515239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.520758] ? __fget_light+0x1a9/0x230 [ 62.524812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.530470] do_writev+0xf6/0x290 [ 62.534117] ? vfs_writev+0x2f0/0x2f0 [ 62.537912] ? do_syscall_64+0x26/0x610 [ 62.541868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.547326] ? do_syscall_64+0x26/0x610 [ 62.551282] __x64_sys_writev+0x75/0xb0 [ 62.555267] do_syscall_64+0x103/0x610 [ 62.559135] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.564315] RIP: 0033:0x441e60 [ 62.567510] 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 [ 62.586405] RSP: 002b:00007ffc5d267b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 62.594086] RAX: ffffffffffffffda RBX: 00007ffc5d267b80 RCX: 0000000000441e60 [ 62.601344] RDX: 0000000000000001 RSI: 00007ffc5d267b80 RDI: 00000000000000f0 [ 62.608594] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 62.615843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 62.623252] R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 [ 62.630504] Modules linked in: [ 62.633746] ---[ end trace a43afb2a876ffb56 ]--- [ 62.638492] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 62.643938] 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 71 34 5b fb e8 9c 70 [ 62.663087] RSP: 0018:ffff88808f2e7120 EFLAGS: 00010246 [ 62.668434] RAX: dffffc0000000000 RBX: ffff88808b8332c0 RCX: ffffffff86026fc3 [ 62.675791] RDX: 0000000000000000 RSI: ffffffff86027000 RDI: ffff88808d2f76c8 [ 62.683191] RBP: ffff88808f2e7148 R08: ffff88809064a080 R09: ffffed1015d25bd0 [ 62.690667] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 62.697943] R13: 0000000000000037 R14: ffff88808b8332d0 R15: ffffffffffffffff [ 62.705227] FS: 0000000001f58880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 62.713564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.719448] CR2: 0000000020000040 CR3: 00000000a1af0000 CR4: 00000000001406e0 [ 62.726702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.733983] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.741266] Kernel panic - not syncing: Fatal exception in interrupt [ 62.748768] Kernel Offset: disabled [ 62.752384] Rebooting in 86400 seconds..