[ 37.491774] audit: type=1800 audit(1551399409.450:26): pid=7594 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.524494] audit: type=1800 audit(1551399409.450:27): pid=7594 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.544482] audit: type=1800 audit(1551399409.450:28): pid=7594 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. [ 38.440964] audit: type=1800 audit(1551399410.420:29): pid=7594 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.220' (ECDSA) to the list of known hosts. syzkaller login: [ 48.830038] IPVS: ftp: loaded support on port[0] = 21 [ 48.886983] chnl_net:caif_netlink_parms(): no params data found [ 48.915680] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.922523] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.929558] device bridge_slave_0 entered promiscuous mode [ 48.936818] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.943638] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.950526] device bridge_slave_1 entered promiscuous mode [ 48.965380] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.974678] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.990707] team0: Port device team_slave_0 added [ 48.996533] team0: Port device team_slave_1 added [ 49.043591] device hsr_slave_0 entered promiscuous mode [ 49.101919] device hsr_slave_1 entered promiscuous mode [ 49.148679] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.155163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.162171] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.168517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.197342] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.208241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.217886] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.225593] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.233548] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.244149] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.264112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.271801] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.278310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.287634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.295687] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.302082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.320929] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.330929] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.343461] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.351237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.359281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.367027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.375079] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.382000] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 49.398440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.412345] kasan: CONFIG_KASAN_INLINE enabled [ 49.417082] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.424509] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.430802] CPU: 0 PID: 7746 Comm: syz-executor249 Not tainted 5.0.0-rc8+ #89 [ 49.438170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.447518] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 49.452880] 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 [ 49.471800] RSP: 0018:ffff8880957ef018 EFLAGS: 00010246 [ 49.477207] RAX: dffffc0000000000 RBX: ffff88809b1ac280 RCX: ffffffff86026003 [ 49.484477] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff888095234c08 [ 49.491931] RBP: ffff8880957ef040 R08: ffff88808d1d20c0 R09: ffffed1015d05bd0 [ 49.499300] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 49.506629] R13: 0000000000000037 R14: ffff88809b1ac290 R15: ffffffffffffffff [ 49.514131] FS: 000000000244a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 49.522339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.528201] CR2: 0000000020200000 CR3: 000000008bf56000 CR4: 00000000001406f0 [ 49.535453] Call Trace: [ 49.538048] __xfrm_policy_check+0x1f8/0x2730 [ 49.542645] ? kasan_check_read+0x11/0x20 [ 49.546781] ? find_held_lock+0x35/0x130 [ 49.550928] ? vti6_tnl_lookup+0x287/0x1020 [ 49.555238] ? __xfrm_route_forward+0x860/0x860 [ 49.559893] ? __lock_is_held+0xb6/0x140 [ 49.563940] ? check_preemption_disabled+0x48/0x290 [ 49.568940] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 49.574376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.579903] ? vti6_tnl_lookup+0x69a/0x1020 [ 49.584210] ? vti6_init_net+0x820/0x820 [ 49.588266] ? check_preemption_disabled+0x48/0x290 [ 49.593266] vti6_rcv+0x51a/0x970 [ 49.596710] xfrm6_esp_rcv+0xd8/0x230 [ 49.600496] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 49.605491] ? lock_acquire+0x16f/0x3f0 [ 49.609596] ? rcu_softirq_qs+0x10/0x20 [ 49.613558] ip6_input_finish+0x84/0x170 [ 49.617603] ip6_input+0xe4/0x3f0 [ 49.621043] ? ip6_input_finish+0x170/0x170 [ 49.625451] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 49.630623] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 49.635202] ip6_mc_input+0x4aa/0xf30 [ 49.639128] ? ip6_input+0x3f0/0x3f0 [ 49.642836] ip6_rcv_finish+0x1e7/0x320 [ 49.646793] ipv6_rcv+0x10e/0x420 [ 49.650253] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 49.654996] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 49.660179] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 49.664922] __netif_receive_skb_one_core+0x115/0x1a0 [ 49.670094] ? __netif_receive_skb_core+0x3010/0x3010 [ 49.675338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.680885] ? check_preemption_disabled+0x48/0x290 [ 49.685889] ? lock_acquire+0x16f/0x3f0 [ 49.689845] __netif_receive_skb+0x2c/0x1c0 [ 49.694163] netif_receive_skb_internal+0x117/0x660 [ 49.699160] ? dev_cpu_dead+0x920/0x920 [ 49.703120] ? eth_gro_receive+0x890/0x890 [ 49.707422] napi_gro_frags+0xade/0xd10 [ 49.711400] tun_get_user+0x2c0e/0x3dd0 [ 49.715376] ? tun_build_skb.isra.0+0x1150/0x1150 [ 49.720211] ? tun_get+0x171/0x290 [ 49.723749] ? lock_downgrade+0x810/0x810 [ 49.727994] ? kasan_check_read+0x11/0x20 [ 49.732161] tun_chr_write_iter+0xbd/0x160 [ 49.736409] do_iter_readv_writev+0x5e0/0x8e0 [ 49.740913] ? vfs_dedupe_file_range+0x780/0x780 [ 49.745679] ? apparmor_file_permission+0x25/0x30 [ 49.750523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.756157] ? rw_verify_area+0x118/0x360 [ 49.760294] do_iter_write+0x184/0x610 [ 49.764220] ? dup_iter+0x260/0x260 [ 49.767852] vfs_writev+0x1b3/0x2f0 [ 49.771470] ? vfs_iter_write+0xb0/0xb0 [ 49.775438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.780983] ? __handle_mm_fault+0x7cd/0x3f20 [ 49.785561] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 49.790391] ? find_held_lock+0x35/0x130 [ 49.794451] ? __do_page_fault+0x610/0xd60 [ 49.798686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.804217] ? __fget_light+0x1a9/0x230 [ 49.808184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.813708] do_writev+0xf6/0x290 [ 49.817149] ? vfs_writev+0x2f0/0x2f0 [ 49.821034] ? do_syscall_64+0x26/0x610 [ 49.824996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.830343] ? do_syscall_64+0x26/0x610 [ 49.834307] __x64_sys_writev+0x75/0xb0 [ 49.838276] do_syscall_64+0x103/0x610 [ 49.842150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.847353] RIP: 0033:0x442000 [ 49.850538] 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 [ 49.869425] RSP: 002b:00007ffdde9e9b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 49.877173] RAX: ffffffffffffffda RBX: 00007ffdde9e9be0 RCX: 0000000000442000 [ 49.884432] RDX: 0000000000000001 RSI: 00007ffdde9e9be0 RDI: 00000000000000f0 [ 49.891704] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 49.898953] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdde9e9bb0 [ 49.906354] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 49.913615] Modules linked in: [ 49.916853] ---[ end trace d038437d4ff1ef84 ]--- [ 49.921677] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 49.926999] 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 [ 49.945922] RSP: 0018:ffff8880957ef018 EFLAGS: 00010246 [ 49.951269] RAX: dffffc0000000000 RBX: ffff88809b1ac280 RCX: ffffffff86026003 [ 49.958566] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff888095234c08 [ 49.965972] RBP: ffff8880957ef040 R08: ffff88808d1d20c0 R09: ffffed1015d05bd0 [ 49.973314] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000000 [ 49.980589] R13: 0000000000000037 R14: ffff88809b1ac290 R15: ffffffffffffffff [ 49.987882] FS: 000000000244a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 49.996123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.002028] CR2: 0000000020200000 CR3: 000000008bf56000 CR4: 00000000001406f0 [ 50.009334] Kernel panic - not syncing: Fatal exception in interrupt [ 50.016685] Kernel Offset: disabled [ 50.020302] Rebooting in 86400 seconds..