[ 35.016417] audit: type=1800 audit(1551386280.559:27): pid=7458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.039669] audit: type=1800 audit(1551386280.559:28): pid=7458 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. [ 35.926324] audit: type=1800 audit(1551386281.519:29): pid=7458 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 [ 35.945828] audit: type=1800 audit(1551386281.529:30): pid=7458 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 '10.128.15.218' (ECDSA) to the list of known hosts. syzkaller login: [ 46.445700] IPVS: ftp: loaded support on port[0] = 21 [ 46.500852] chnl_net:caif_netlink_parms(): no params data found [ 46.529035] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.535635] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.542802] device bridge_slave_0 entered promiscuous mode [ 46.549857] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.556314] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.563062] device bridge_slave_1 entered promiscuous mode [ 46.577538] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.587303] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.603662] team0: Port device team_slave_0 added [ 46.610323] team0: Port device team_slave_1 added [ 46.678104] device hsr_slave_0 entered promiscuous mode [ 46.746136] device hsr_slave_1 entered promiscuous mode [ 46.833720] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.840189] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.847050] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.853407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.881014] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.891898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.911316] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.918717] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.926686] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.937293] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.946635] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.954245] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.960651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.977593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.985161] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.991575] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.999765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.007616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.015641] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.025328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 47.036211] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.047782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.055186] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.072470] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.086896] kasan: CONFIG_KASAN_INLINE enabled [ 47.091556] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.098962] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 47.105226] CPU: 1 PID: 7611 Comm: syz-executor464 Not tainted 5.0.0-rc7+ #101 [ 47.112579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.121927] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 47.127203] 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 b1 2e 5b fb e8 dc 6a [ 47.146097] RSP: 0018:ffff888091097018 EFLAGS: 00010246 [ 47.151456] RAX: dffffc0000000000 RBX: ffff88809122f280 RCX: ffffffff86027583 [ 47.158707] RDX: 0000000000000000 RSI: ffffffff860275c0 RDI: ffff8880a560ef08 [ 47.165956] RBP: ffff888091097040 R08: ffff8880968ce400 R09: ffffed1015d25bd0 [ 47.173218] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 47.180469] R13: 0000000000000037 R14: ffff88809122f290 R15: ffffffffffffffff [ 47.187721] FS: 0000000001f75880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.195928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.201788] CR2: 0000000020200000 CR3: 00000000928d6000 CR4: 00000000001406e0 [ 47.209040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.216305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.223565] Call Trace: [ 47.226146] __xfrm_policy_check+0x1f8/0x2730 [ 47.230625] ? kasan_check_read+0x11/0x20 [ 47.234764] ? find_held_lock+0x35/0x130 [ 47.238808] ? vti6_tnl_lookup+0x287/0x1020 [ 47.243111] ? __xfrm_route_forward+0x860/0x860 [ 47.247765] ? __lock_is_held+0xb6/0x140 [ 47.251807] ? check_preemption_disabled+0x48/0x290 [ 47.256810] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 47.262247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.267764] ? vti6_tnl_lookup+0x69a/0x1020 [ 47.272072] ? vti6_init_net+0x820/0x820 [ 47.276147] ? check_preemption_disabled+0x48/0x290 [ 47.281206] vti6_rcv+0x51a/0x970 [ 47.284660] xfrm6_esp_rcv+0xd8/0x230 [ 47.288445] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 47.293359] ? lock_acquire+0x16f/0x3f0 [ 47.297335] ? rcu_note_context_switch+0x1720/0x1730 [ 47.302436] ip6_input_finish+0x84/0x170 [ 47.306481] ip6_input+0xe4/0x3f0 [ 47.309918] ? ip6_input_finish+0x170/0x170 [ 47.314221] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 47.319394] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 47.323958] ip6_mc_input+0x4aa/0xf30 [ 47.327745] ? ip6_input+0x3f0/0x3f0 [ 47.331443] ip6_rcv_finish+0x1e7/0x320 [ 47.335627] ipv6_rcv+0x10e/0x420 [ 47.339067] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 47.343816] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 47.349001] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 47.353741] __netif_receive_skb_one_core+0x115/0x1a0 [ 47.358913] ? __netif_receive_skb_core+0x3010/0x3010 [ 47.364100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.369622] ? check_preemption_disabled+0x48/0x290 [ 47.374621] ? lock_acquire+0x16f/0x3f0 [ 47.378585] __netif_receive_skb+0x2c/0x1c0 [ 47.382886] netif_receive_skb_internal+0x117/0x660 [ 47.387881] ? dev_cpu_dead+0x920/0x920 [ 47.391842] ? eth_gro_receive+0x890/0x890 [ 47.396075] napi_gro_frags+0xade/0xd10 [ 47.400047] tun_get_user+0x2c0e/0x3dd0 [ 47.404008] ? tun_build_skb.isra.0+0x1150/0x1150 [ 47.408833] ? tun_get+0x171/0x290 [ 47.412357] ? lock_downgrade+0x810/0x810 [ 47.416490] ? kasan_check_read+0x11/0x20 [ 47.420623] tun_chr_write_iter+0xbd/0x160 [ 47.424865] do_iter_readv_writev+0x5e0/0x8e0 [ 47.429342] ? vfs_dedupe_file_range+0x780/0x780 [ 47.434094] ? apparmor_file_permission+0x25/0x30 [ 47.438937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.444456] ? rw_verify_area+0x118/0x360 [ 47.448585] do_iter_write+0x184/0x610 [ 47.452453] ? dup_iter+0x260/0x260 [ 47.456079] vfs_writev+0x1b3/0x2f0 [ 47.459686] ? vfs_iter_write+0xb0/0xb0 [ 47.463660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.469198] ? __handle_mm_fault+0x7cd/0x3f20 [ 47.473690] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 47.478514] ? find_held_lock+0x35/0x130 [ 47.482575] ? __do_page_fault+0x610/0xd60 [ 47.486792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.492323] ? __fget_light+0x1a9/0x230 [ 47.496285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.501801] do_writev+0xf6/0x290 [ 47.505252] ? vfs_writev+0x2f0/0x2f0 [ 47.509067] ? do_syscall_64+0x26/0x610 [ 47.513024] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.518381] ? do_syscall_64+0x26/0x610 [ 47.522336] __x64_sys_writev+0x75/0xb0 [ 47.526294] do_syscall_64+0x103/0x610 [ 47.530165] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.535332] RIP: 0033:0x442000 [ 47.538521] 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 11 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 [ 47.557440] RSP: 002b:00007ffc3578bdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 47.565137] RAX: ffffffffffffffda RBX: 00007ffc3578be00 RCX: 0000000000442000 [ 47.572390] RDX: 0000000000000001 RSI: 00007ffc3578be00 RDI: 00000000000000f0 [ 47.579647] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 47.586899] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3578bdd0 [ 47.594148] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 47.601401] Modules linked in: [ 47.604652] ---[ end trace 99244be8cf986a5f ]--- [ 47.609444] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 47.614746] 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 b1 2e 5b fb e8 dc 6a [ 47.633668] RSP: 0018:ffff888091097018 EFLAGS: 00010246 [ 47.639044] RAX: dffffc0000000000 RBX: ffff88809122f280 RCX: ffffffff86027583 [ 47.646333] RDX: 0000000000000000 RSI: ffffffff860275c0 RDI: ffff8880a560ef08 [ 47.653599] RBP: ffff888091097040 R08: ffff8880968ce400 R09: ffffed1015d25bd0 [ 47.660878] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 47.668193] R13: 0000000000000037 R14: ffff88809122f290 R15: ffffffffffffffff [ 47.675462] FS: 0000000001f75880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.683697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.689606] CR2: 0000000020200000 CR3: 00000000928d6000 CR4: 00000000001406e0 [ 47.696896] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.704160] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.711454] Kernel panic - not syncing: Fatal exception in interrupt [ 47.718954] Kernel Offset: disabled [ 47.722573] Rebooting in 86400 seconds..