[ 36.194074] audit: type=1800 audit(1551160230.502:28): pid=7601 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. [ 36.950723] audit: type=1800 audit(1551160231.332:29): pid=7601 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 [ 36.970425] audit: type=1800 audit(1551160231.332:30): pid=7601 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. syzkaller login: [ 49.494943] IPVS: ftp: loaded support on port[0] = 21 [ 49.549304] chnl_net:caif_netlink_parms(): no params data found [ 49.580045] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.586874] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.594053] device bridge_slave_0 entered promiscuous mode [ 49.601159] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.607902] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.614857] device bridge_slave_1 entered promiscuous mode [ 49.629872] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.639078] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.655060] team0: Port device team_slave_0 added [ 49.660969] team0: Port device team_slave_1 added [ 49.705829] device hsr_slave_0 entered promiscuous mode [ 49.754657] device hsr_slave_1 entered promiscuous mode [ 49.830817] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.837306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.844245] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.850603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.880297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.891087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.901131] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.909031] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.916458] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.926520] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.936250] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.943978] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.950365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.959571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.968455] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.974844] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.989890] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.997696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.007195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.020886] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network executing program [ 50.031086] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.042409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.050413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.058014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.072349] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.085225] kasan: CONFIG_KASAN_INLINE enabled [ 50.089947] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.097376] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.103616] CPU: 0 PID: 7776 Comm: syz-executor034 Not tainted 5.0.0-rc7+ #82 [ 50.110876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.120315] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 50.125600] 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 e1 68 59 fb e8 fc a4 [ 50.144491] RSP: 0018:ffff88808c737120 EFLAGS: 00010246 [ 50.149837] RAX: dffffc0000000000 RBX: ffff88808e20e7c0 RCX: ffffffff86043e53 [ 50.157091] RDX: 0000000000000000 RSI: ffffffff86043e90 RDI: ffff888099610c08 [ 50.164365] RBP: ffff88808c737148 R08: ffff888086c56240 R09: ffffed1015d05bd0 [ 50.171629] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 50.178892] R13: 0000000000000036 R14: ffff88808e20e7d0 R15: ffffffffffffffff [ 50.186143] FS: 0000000000fa9880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.194392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.200259] CR2: 0000000020000040 CR3: 000000008b2e3000 CR4: 00000000001406f0 [ 50.207510] Call Trace: [ 50.210098] __xfrm_policy_check+0x1f8/0x2730 [ 50.214586] ? lock_downgrade+0x810/0x810 [ 50.218714] ? kasan_check_read+0x11/0x20 [ 50.223113] ? __xfrm_route_forward+0x860/0x860 [ 50.228160] ? __lock_acquire+0x53b/0x4700 [ 50.232381] ? find_held_lock+0x35/0x130 [ 50.236423] ? __lock_is_held+0xb6/0x140 [ 50.240466] ? check_preemption_disabled+0x48/0x290 [ 50.245470] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 50.250908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.256430] ? ip_tunnel_lookup+0xa0f/0xe00 [ 50.260732] vti_input+0x4e3/0x7b0 [ 50.264268] vti_rcv+0x10b/0x140 [ 50.267634] xfrm4_esp_rcv+0xd8/0x230 [ 50.271418] ip_protocol_deliver_rcu+0x60/0x8e0 [ 50.276072] ? kasan_check_read+0x11/0x20 [ 50.280204] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 50.285380] ip_local_deliver_finish+0x23b/0x390 [ 50.290114] ip_local_deliver+0x1e9/0x520 [ 50.294253] ? ip_local_deliver_finish+0x390/0x390 [ 50.299175] ? ip_protocol_deliver_rcu+0x8e0/0x8e0 [ 50.304098] ? ip_rcv_finish_core.isra.0+0x82c/0x1b80 [ 50.309288] ip_rcv_finish+0x1db/0x2f0 [ 50.313160] ip_rcv+0xe8/0x3f0 [ 50.316380] ? ip_local_deliver+0x520/0x520 [ 50.320691] ? ip_rcv_finish_core.isra.0+0x1b80/0x1b80 [ 50.325948] ? ip_local_deliver+0x520/0x520 [ 50.330253] __netif_receive_skb_one_core+0x115/0x1a0 [ 50.335430] ? __netif_receive_skb_core+0x3010/0x3010 [ 50.340609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.346131] ? check_preemption_disabled+0x48/0x290 [ 50.351125] ? lock_acquire+0x16f/0x3f0 [ 50.355090] __netif_receive_skb+0x2c/0x1c0 [ 50.359394] netif_receive_skb_internal+0x117/0x660 [ 50.364405] ? dev_cpu_dead+0x920/0x920 [ 50.368377] ? eth_gro_receive+0x890/0x890 [ 50.372673] napi_gro_frags+0xade/0xd10 [ 50.376645] tun_get_user+0x2c17/0x3d70 [ 50.380606] ? tun_build_skb.isra.0+0x1150/0x1150 [ 50.385431] ? tun_get+0x171/0x290 [ 50.388955] ? lock_downgrade+0x810/0x810 [ 50.393092] ? kasan_check_read+0x11/0x20 [ 50.397238] tun_chr_write_iter+0xbd/0x160 [ 50.401456] do_iter_readv_writev+0x5e0/0x8e0 [ 50.405935] ? vfs_dedupe_file_range+0x780/0x780 [ 50.410684] ? apparmor_file_permission+0x25/0x30 [ 50.415513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.421029] ? rw_verify_area+0x118/0x360 [ 50.425220] do_iter_write+0x184/0x610 [ 50.429096] ? dup_iter+0x260/0x260 [ 50.432713] vfs_writev+0x1b3/0x2f0 [ 50.436336] ? vfs_iter_write+0xb0/0xb0 [ 50.440296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.445818] ? __handle_mm_fault+0x7cd/0x3f20 [ 50.450296] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 50.455122] ? find_held_lock+0x35/0x130 [ 50.459167] ? __do_page_fault+0x610/0xd60 [ 50.463389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.468908] ? __fget_light+0x1a9/0x230 [ 50.472877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.478401] do_writev+0xf6/0x290 [ 50.481840] ? vfs_writev+0x2f0/0x2f0 [ 50.485629] ? do_syscall_64+0x26/0x610 [ 50.489649] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.495010] ? do_syscall_64+0x26/0x610 [ 50.498989] __x64_sys_writev+0x75/0xb0 [ 50.502948] do_syscall_64+0x103/0x610 [ 50.506831] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.512011] RIP: 0033:0x441e60 [ 50.515194] 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 [ 50.534182] RSP: 002b:00007ffdcb84cf38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 50.541877] RAX: ffffffffffffffda RBX: 00007ffdcb84cf70 RCX: 0000000000441e60 [ 50.549130] RDX: 0000000000000001 RSI: 00007ffdcb84cf70 RDI: 00000000000000f0 [ 50.556385] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 50.563634] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.570928] R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 [ 50.578265] Modules linked in: [ 50.581525] ---[ end trace d1ac7eb391ae0b27 ]--- [ 50.586300] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 50.591563] 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 e1 68 59 fb e8 fc a4 [ 50.610581] RSP: 0018:ffff88808c737120 EFLAGS: 00010246 [ 50.615967] RAX: dffffc0000000000 RBX: ffff88808e20e7c0 RCX: ffffffff86043e53 [ 50.623290] RDX: 0000000000000000 RSI: ffffffff86043e90 RDI: ffff888099610c08 [ 50.630599] RBP: ffff88808c737148 R08: ffff888086c56240 R09: ffffed1015d05bd0 [ 50.637894] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 50.645183] R13: 0000000000000036 R14: ffff88808e20e7d0 R15: ffffffffffffffff [ 50.652454] FS: 0000000000fa9880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.660703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.666604] CR2: 0000000020000040 CR3: 000000008b2e3000 CR4: 00000000001406f0 [ 50.673863] Kernel panic - not syncing: Fatal exception in interrupt [ 50.681269] Kernel Offset: disabled [ 50.684889] Rebooting in 86400 seconds..