[ 34.289987] audit: type=1800 audit(1552104657.474:27): pid=7337 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.310002] audit: type=1800 audit(1552104657.474:28): pid=7337 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. [ 34.975112] audit: type=1800 audit(1552104658.224:29): pid=7337 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 [ 34.998818] audit: type=1800 audit(1552104658.224:30): pid=7337 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 '10.128.0.40' (ECDSA) to the list of known hosts. syzkaller login: [ 45.391919] IPVS: ftp: loaded support on port[0] = 21 [ 45.442668] chnl_net:caif_netlink_parms(): no params data found [ 45.471507] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.478487] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.485790] device bridge_slave_0 entered promiscuous mode [ 45.493357] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.499944] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.506786] device bridge_slave_1 entered promiscuous mode [ 45.521690] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.531341] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.547006] team0: Port device team_slave_0 added [ 45.554148] team0: Port device team_slave_1 added [ 45.609665] device hsr_slave_0 entered promiscuous mode [ 45.648045] device hsr_slave_1 entered promiscuous mode [ 45.713919] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.720385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.727329] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.733718] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.761132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.770768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.791681] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.799458] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.806753] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.817404] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.826445] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.834235] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.840703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.850273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.857940] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.864282] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.877744] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.885993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.895089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.907483] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network executing program [ 45.918605] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.929405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.937018] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.944838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.959864] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.970743] kasan: CONFIG_KASAN_INLINE enabled [ 45.975603] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.983021] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.989326] CPU: 0 PID: 7490 Comm: syz-executor017 Not tainted 5.0.0+ #114 [ 45.996333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.005750] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 46.011129] 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 41 00 59 fb e8 5c 3e [ 46.030019] RSP: 0018:ffff8880921ff018 EFLAGS: 00010246 [ 46.035374] RAX: dffffc0000000000 RBX: ffff88809f1f7800 RCX: ffffffff860476f3 [ 46.042629] RDX: 0000000000000000 RSI: ffffffff86047730 RDI: ffff888093d2dd88 [ 46.049883] RBP: ffff8880921ff040 R08: ffff888096bcc640 R09: ffffed1015d05bd0 [ 46.057247] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 46.064601] R13: 0000000000000035 R14: ffff88809f1f7810 R15: ffffffffffffffff [ 46.071861] FS: 0000000000b24880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 46.080080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.086090] CR2: 0000000020000440 CR3: 00000000893d7000 CR4: 00000000001406f0 [ 46.093501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.100759] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.108011] Call Trace: [ 46.110644] __xfrm_policy_check+0x1f8/0x2730 [ 46.115188] ? find_held_lock+0x35/0x130 [ 46.119247] ? vti6_tnl_lookup+0x287/0x1020 [ 46.123553] ? __xfrm_route_forward+0x870/0x870 [ 46.128208] ? __lock_is_held+0xb6/0x140 [ 46.132362] ? check_preemption_disabled+0x48/0x290 [ 46.137424] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 46.142874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.148398] ? vti6_tnl_lookup+0x69a/0x1020 [ 46.152815] ? vti6_init_net+0x820/0x820 [ 46.156867] ? check_preemption_disabled+0x48/0x290 [ 46.161877] vti6_rcv+0x51a/0x970 [ 46.165428] xfrm6_esp_rcv+0xd8/0x230 [ 46.169218] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 46.174136] ? lock_acquire+0x16f/0x3f0 [ 46.178109] ? rcu_note_context_switch+0x1720/0x1730 [ 46.183302] ip6_input_finish+0x84/0x170 [ 46.187365] ip6_input+0xe4/0x3f0 [ 46.190988] ? ip6_input_finish+0x170/0x170 [ 46.196014] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 46.201197] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 46.205766] ip6_mc_input+0x4aa/0xf30 [ 46.209551] ? ip6_input+0x3f0/0x3f0 [ 46.213351] ip6_rcv_finish+0x1e7/0x320 [ 46.217335] ipv6_rcv+0x10e/0x420 [ 46.220780] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 46.225521] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 46.230706] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 46.235447] __netif_receive_skb_one_core+0x115/0x1a0 [ 46.240631] ? __netif_receive_skb_core+0x3010/0x3010 [ 46.245810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.251450] ? check_preemption_disabled+0x48/0x290 [ 46.256456] ? lock_acquire+0x16f/0x3f0 [ 46.260416] __netif_receive_skb+0x2c/0x1c0 [ 46.264788] netif_receive_skb_internal+0x117/0x660 [ 46.269803] ? dev_cpu_dead+0x920/0x920 [ 46.273761] ? eth_gro_receive+0x890/0x890 [ 46.277994] napi_gro_frags+0xade/0xd10 [ 46.281962] tun_get_user+0x2c17/0x3d70 [ 46.285925] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 46.290753] ? tun_get+0x171/0x290 [ 46.294278] ? lock_downgrade+0x810/0x810 [ 46.298409] ? kasan_check_read+0x11/0x20 [ 46.302543] tun_chr_write_iter+0xbd/0x160 [ 46.306777] do_iter_readv_writev+0x5e0/0x8e0 [ 46.311365] ? vfs_dedupe_file_range+0x780/0x780 [ 46.316322] ? apparmor_file_permission+0x25/0x30 [ 46.321162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.326771] ? rw_verify_area+0x118/0x360 [ 46.330911] do_iter_write+0x184/0x610 [ 46.334790] ? dup_iter+0x260/0x260 [ 46.338420] vfs_writev+0x1b3/0x2f0 [ 46.342050] ? vfs_iter_write+0xb0/0xb0 [ 46.346090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.351708] ? __handle_mm_fault+0x7cd/0x3f20 [ 46.356199] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 46.361049] ? find_held_lock+0x35/0x130 [ 46.365102] ? __do_page_fault+0x610/0xd60 [ 46.369340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.374869] ? __fget_light+0x1a9/0x230 [ 46.378915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.384453] do_writev+0xf6/0x290 [ 46.387894] ? vfs_writev+0x2f0/0x2f0 [ 46.391681] ? do_syscall_64+0x26/0x610 [ 46.395638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.401113] ? do_syscall_64+0x26/0x610 [ 46.405293] __x64_sys_writev+0x75/0xb0 [ 46.409260] do_syscall_64+0x103/0x610 [ 46.413150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.418327] RIP: 0033:0x441ef0 [ 46.421665] 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 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 [ 46.440627] RSP: 002b:00007ffcb662cdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 46.448422] RAX: ffffffffffffffda RBX: 00007ffcb662ce20 RCX: 0000000000441ef0 [ 46.455781] RDX: 0000000000000001 RSI: 00007ffcb662ce20 RDI: 00000000000000f0 [ 46.463048] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 46.470310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb662cdf0 [ 46.477581] R13: 0000000000403320 R14: 0000000000000000 R15: 0000000000000000 [ 46.484842] Modules linked in: [ 46.488188] ---[ end trace 41ed58f7779e88d0 ]--- [ 46.492956] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 46.498283] 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 41 00 59 fb e8 5c 3e [ 46.517218] RSP: 0018:ffff8880921ff018 EFLAGS: 00010246 [ 46.522599] RAX: dffffc0000000000 RBX: ffff88809f1f7800 RCX: ffffffff860476f3 [ 46.529981] RDX: 0000000000000000 RSI: ffffffff86047730 RDI: ffff888093d2dd88 [ 46.537246] RBP: ffff8880921ff040 R08: ffff888096bcc640 R09: ffffed1015d05bd0 [ 46.544683] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 46.551965] R13: 0000000000000035 R14: ffff88809f1f7810 R15: ffffffffffffffff [ 46.559246] FS: 0000000000b24880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 46.567573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.573480] CR2: 0000000020000440 CR3: 00000000893d7000 CR4: 00000000001406f0 [ 46.580870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.588297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.595683] Kernel panic - not syncing: Fatal exception in interrupt [ 46.603327] Kernel Offset: disabled [ 46.606962] Rebooting in 86400 seconds..