[ 35.555142] audit: type=1800 audit(1551385366.678:27): pid=7454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.583615] audit: type=1800 audit(1551385366.678:28): pid=7454 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. [ 36.299926] audit: type=1800 audit(1551385367.468:29): pid=7454 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 [ 36.319414] audit: type=1800 audit(1551385367.468:30): pid=7454 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 '10.128.0.46' (ECDSA) to the list of known hosts. syzkaller login: [ 60.683363] IPVS: ftp: loaded support on port[0] = 21 [ 60.734187] chnl_net:caif_netlink_parms(): no params data found [ 60.762202] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.769408] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.776744] device bridge_slave_0 entered promiscuous mode [ 60.785158] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.791530] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.798418] device bridge_slave_1 entered promiscuous mode [ 60.813603] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.822446] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.839044] team0: Port device team_slave_0 added [ 60.845061] team0: Port device team_slave_1 added [ 60.925114] device hsr_slave_0 entered promiscuous mode [ 60.974481] device hsr_slave_1 entered promiscuous mode [ 61.040393] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.047560] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.054726] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.061065] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.091462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.104678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.124753] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.134964] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.142212] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.153832] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.164866] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.175168] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.181534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.188834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.196614] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.203052] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.221336] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.231538] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.245202] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.253175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.260940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.269209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.277191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.284128] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 61.299973] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.314874] kasan: CONFIG_KASAN_INLINE enabled [ 61.319600] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.327054] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 61.333292] CPU: 1 PID: 7608 Comm: syz-executor302 Not tainted 5.0.0-rc7+ #87 [ 61.340546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.349898] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 61.355161] 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 61 57 59 fb e8 7c 93 [ 61.374046] RSP: 0018:ffff8880979cf018 EFLAGS: 00010246 [ 61.379607] RAX: dffffc0000000000 RBX: ffff8880925c46c0 RCX: ffffffff86044fd3 [ 61.386861] RDX: 0000000000000000 RSI: ffffffff86045010 RDI: ffff888094509548 [ 61.394116] RBP: ffff8880979cf040 R08: ffff8880961ee4c0 R09: ffffed1015d25bd0 [ 61.401368] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 61.408628] R13: 0000000000000036 R14: ffff8880925c46d0 R15: ffffffffffffffff [ 61.415889] FS: 0000000001be8880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 61.424097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.429960] CR2: 0000000020200000 CR3: 0000000097ec4000 CR4: 00000000001406e0 [ 61.437213] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.444473] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.451724] Call Trace: [ 61.454300] __xfrm_policy_check+0x1f8/0x2730 [ 61.458780] ? find_held_lock+0x35/0x130 [ 61.462823] ? vti6_tnl_lookup+0x287/0x1020 [ 61.467135] ? __xfrm_route_forward+0x870/0x870 [ 61.471787] ? __lock_is_held+0xb6/0x140 [ 61.475883] ? check_preemption_disabled+0x48/0x290 [ 61.480894] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 61.486337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.491912] ? vti6_tnl_lookup+0x69a/0x1020 [ 61.496229] ? vti6_init_net+0x820/0x820 [ 61.500285] ? check_preemption_disabled+0x48/0x290 [ 61.505292] vti6_rcv+0x51a/0x970 [ 61.508726] xfrm6_esp_rcv+0xd8/0x230 [ 61.512508] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 61.517418] ? lock_acquire+0x16f/0x3f0 [ 61.521377] ? rcu_note_context_switch+0x1720/0x1730 [ 61.526469] ip6_input_finish+0x84/0x170 [ 61.530511] ip6_input+0xe4/0x3f0 [ 61.533947] ? ip6_input_finish+0x170/0x170 [ 61.538258] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 61.543550] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 61.548130] ip6_mc_input+0x4aa/0xf30 [ 61.551911] ? ip6_input+0x3f0/0x3f0 [ 61.555615] ip6_rcv_finish+0x1e7/0x320 [ 61.559571] ipv6_rcv+0x10e/0x420 [ 61.563015] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 61.567760] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 61.573000] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 61.577748] __netif_receive_skb_one_core+0x115/0x1a0 [ 61.582930] ? __netif_receive_skb_core+0x3010/0x3010 [ 61.588106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.593635] ? check_preemption_disabled+0x48/0x290 [ 61.598640] ? lock_acquire+0x16f/0x3f0 [ 61.602606] __netif_receive_skb+0x2c/0x1c0 [ 61.606917] netif_receive_skb_internal+0x117/0x660 [ 61.611917] ? dev_cpu_dead+0x920/0x920 [ 61.615874] ? eth_gro_receive+0x890/0x890 [ 61.620096] napi_gro_frags+0xade/0xd10 [ 61.624057] tun_get_user+0x2c17/0x3d70 [ 61.628030] ? tun_build_skb.isra.0+0x1150/0x1150 [ 61.632863] ? tun_get+0x171/0x290 [ 61.636493] ? lock_downgrade+0x810/0x810 [ 61.640625] ? kasan_check_read+0x11/0x20 [ 61.644757] tun_chr_write_iter+0xbd/0x160 [ 61.648978] do_iter_readv_writev+0x5e0/0x8e0 [ 61.653469] ? vfs_dedupe_file_range+0x780/0x780 [ 61.658219] ? apparmor_file_permission+0x25/0x30 [ 61.663104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.668724] ? rw_verify_area+0x118/0x360 [ 61.672857] do_iter_write+0x184/0x610 [ 61.676731] ? dup_iter+0x260/0x260 [ 61.680466] vfs_writev+0x1b3/0x2f0 [ 61.684087] ? vfs_iter_write+0xb0/0xb0 [ 61.688058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.693593] ? __handle_mm_fault+0x7cd/0x3f20 [ 61.698083] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 61.703032] ? find_held_lock+0x35/0x130 [ 61.707079] ? __do_page_fault+0x610/0xd60 [ 61.711297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.716819] ? __fget_light+0x1a9/0x230 [ 61.720780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.726309] do_writev+0xf6/0x290 [ 61.729743] ? vfs_writev+0x2f0/0x2f0 [ 61.733533] ? do_syscall_64+0x26/0x610 [ 61.737488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.742886] ? do_syscall_64+0x26/0x610 [ 61.746852] __x64_sys_writev+0x75/0xb0 [ 61.750825] do_syscall_64+0x103/0x610 [ 61.754711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.759884] RIP: 0033:0x442000 [ 61.763060] 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 [ 61.781951] RSP: 002b:00007ffff9ef6098 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 61.789644] RAX: ffffffffffffffda RBX: 00007ffff9ef60e0 RCX: 0000000000442000 [ 61.796946] RDX: 0000000000000001 RSI: 00007ffff9ef60e0 RDI: 00000000000000f0 [ 61.804212] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 61.811484] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff9ef60b0 [ 61.818735] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 61.825991] Modules linked in: [ 61.829268] ---[ end trace 3b226fe44d225477 ]--- [ 61.834049] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 61.839378] 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 61 57 59 fb e8 7c 93 [ 61.860339] RSP: 0018:ffff8880979cf018 EFLAGS: 00010246 [ 61.865723] RAX: dffffc0000000000 RBX: ffff8880925c46c0 RCX: ffffffff86044fd3 [ 61.872986] RDX: 0000000000000000 RSI: ffffffff86045010 RDI: ffff888094509548 [ 61.880336] RBP: ffff8880979cf040 R08: ffff8880961ee4c0 R09: ffffed1015d25bd0 [ 61.887828] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 61.896461] R13: 0000000000000036 R14: ffff8880925c46d0 R15: ffffffffffffffff [ 61.903765] FS: 0000000001be8880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 61.912004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.917931] CR2: 0000000020200000 CR3: 0000000097ec4000 CR4: 00000000001406e0 [ 61.925220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.932485] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.939802] Kernel panic - not syncing: Fatal exception in interrupt [ 61.947294] Kernel Offset: disabled [ 61.950915] Rebooting in 86400 seconds..