[ 39.136996][ T26] audit: type=1800 audit(1555431557.446:27): pid=7403 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.158209][ T26] audit: type=1800 audit(1555431557.446:28): pid=7403 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. [ 39.690422][ T26] audit: type=1800 audit(1555431558.086:29): pid=7403 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 [ 39.711169][ T26] audit: type=1800 audit(1555431558.096:30): pid=7403 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 '10.128.10.22' (ECDSA) to the list of known hosts. syzkaller login: [ 66.752933][ T7555] IPVS: ftp: loaded support on port[0] = 21 [ 66.813314][ T7555] chnl_net:caif_netlink_parms(): no params data found [ 66.841608][ T7555] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.849419][ T7555] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.857519][ T7555] device bridge_slave_0 entered promiscuous mode [ 66.865988][ T7555] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.873440][ T7555] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.881248][ T7555] device bridge_slave_1 entered promiscuous mode [ 66.897413][ T7555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.907146][ T7555] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 66.924045][ T7555] team0: Port device team_slave_0 added [ 66.931544][ T7555] team0: Port device team_slave_1 added [ 66.993209][ T7555] device hsr_slave_0 entered promiscuous mode [ 67.031310][ T7555] device hsr_slave_1 entered promiscuous mode [ 67.079066][ T7555] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.086514][ T7555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.094782][ T7555] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.101891][ T7555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.136276][ T7555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.148484][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.185451][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.195210][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.204570][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.216407][ T7555] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.236960][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.245695][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.252815][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.271624][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.280232][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.287855][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.296234][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.305344][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.314568][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.324792][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 67.337372][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.347671][ T7555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.366115][ T7555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.429376][ T7555] kasan: CONFIG_KASAN_INLINE enabled [ 67.434967][ T7555] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 67.443124][ T7555] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 67.450164][ T7555] CPU: 0 PID: 7555 Comm: syz-executor607 Not tainted 5.1.0-rc4+ #140 [ 67.458290][ T7555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.468421][ T7555] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 67.474397][ T7555] 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 51 56 4d fb e8 fc a9 [ 67.494493][ T7555] RSP: 0018:ffff88808fa0f130 EFLAGS: 00010246 [ 67.500557][ T7555] RAX: dffffc0000000000 RBX: ffff88808f8818c0 RCX: ffffffff8610e403 [ 67.508619][ T7555] RDX: 0000000000000000 RSI: ffffffff8610e440 RDI: ffff888093f3a788 [ 67.516577][ T7555] RBP: ffff88808fa0f158 R08: ffff88808723a300 R09: ffffed1015d05bc0 [ 67.524672][ T7555] R10: ffffed1015d05bbf R11: ffff8880ae82ddfb R12: 0000000000000000 [ 67.532986][ T7555] R13: 0000000000000037 R14: ffff88808f8818d0 R15: ffffffffffffffff [ 67.541129][ T7555] FS: 0000000000cae880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 67.550181][ T7555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.556803][ T7555] CR2: 0000000020000110 CR3: 000000008f6c0000 CR4: 00000000001406f0 [ 67.564902][ T7555] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.572867][ T7555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.580855][ T7555] Call Trace: [ 67.584139][ T7555] __xfrm_policy_check+0x1f8/0x2730 [ 67.589374][ T7555] ? lock_downgrade+0x880/0x880 [ 67.594243][ T7555] ? kasan_check_read+0x11/0x20 [ 67.599131][ T7555] ? __xfrm_route_forward+0x840/0x840 [ 67.604583][ T7555] ? vti_input+0x217/0x7b0 [ 67.608995][ T7555] ? find_held_lock+0x35/0x130 [ 67.613767][ T7555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.620056][ T7555] ? ip_tunnel_lookup+0xa0f/0xe00 [ 67.625071][ T7555] vti_input+0x4e3/0x7b0 [ 67.629338][ T7555] vti_rcv+0x10b/0x140 [ 67.633913][ T7555] xfrm4_esp_rcv+0xd8/0x240 [ 67.638434][ T7555] ip_protocol_deliver_rcu+0x60/0x8f0 [ 67.644000][ T7555] ? kasan_check_read+0x11/0x20 [ 67.648861][ T7555] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 67.654803][ T7555] ip_local_deliver_finish+0x23b/0x390 [ 67.660272][ T7555] ip_local_deliver+0x1e9/0x520 [ 67.665107][ T7555] ? ip_local_deliver_finish+0x390/0x390 [ 67.670726][ T7555] ? ip_protocol_deliver_rcu+0x8f0/0x8f0 [ 67.676341][ T7555] ? ip_rcv_finish_core.isra.0+0x7ff/0x1b70 [ 67.682316][ T7555] ip_rcv_finish+0x1e1/0x300 [ 67.686888][ T7555] ip_rcv+0xe8/0x3f0 [ 67.690866][ T7555] ? ip_local_deliver+0x520/0x520 [ 67.696007][ T7555] ? ip_rcv_finish_core.isra.0+0x1b70/0x1b70 [ 67.701973][ T7555] ? mark_held_locks+0xf0/0xf0 [ 67.706731][ T7555] ? ip_local_deliver+0x520/0x520 [ 67.711801][ T7555] __netif_receive_skb_one_core+0x115/0x1a0 [ 67.717675][ T7555] ? __netif_receive_skb_core+0x3040/0x3040 [ 67.723553][ T7555] ? lock_acquire+0x16f/0x3f0 [ 67.728216][ T7555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.734453][ T7555] __netif_receive_skb+0x2c/0x1d0 [ 67.739469][ T7555] netif_receive_skb_internal+0x117/0x5c0 [ 67.745282][ T7555] ? dev_cpu_dead+0x920/0x920 [ 67.750239][ T7555] ? eth_gro_receive+0x890/0x890 [ 67.755164][ T7555] napi_gro_frags+0xade/0xd10 [ 67.759849][ T7555] tun_get_user+0x2f24/0x3fb0 [ 67.764512][ T7555] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 67.770191][ T7555] ? tun_get+0x171/0x290 [ 67.774518][ T7555] ? lock_downgrade+0x880/0x880 [ 67.779359][ T7555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.785756][ T7555] ? kasan_check_read+0x11/0x20 [ 67.790598][ T7555] tun_chr_write_iter+0xbd/0x156 [ 67.795650][ T7555] do_iter_readv_writev+0x5e1/0x8e0 [ 67.800904][ T7555] ? vfs_dedupe_file_range+0x780/0x780 [ 67.806402][ T7555] ? apparmor_file_permission+0x25/0x30 [ 67.811939][ T7555] ? rw_verify_area+0x118/0x360 [ 67.816801][ T7555] do_iter_write+0x184/0x610 [ 67.821417][ T7555] ? dup_iter+0x260/0x260 [ 67.825737][ T7555] ? sock_ioctl+0x34b/0x610 [ 67.830337][ T7555] vfs_writev+0x1b3/0x2f0 [ 67.834749][ T7555] ? vfs_iter_write+0xb0/0xb0 [ 67.839439][ T7555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.845682][ T7555] ? do_vfs_ioctl+0x120/0x1390 [ 67.850424][ T7555] ? ioctl_preallocate+0x210/0x210 [ 67.855532][ T7555] ? __do_page_fault+0x623/0xda0 [ 67.860683][ T7555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.866911][ T7555] ? __fget_light+0x1a9/0x230 [ 67.871622][ T7555] do_writev+0x15e/0x370 [ 67.875871][ T7555] ? vfs_writev+0x2f0/0x2f0 [ 67.880374][ T7555] ? do_syscall_64+0x26/0x610 [ 67.885253][ T7555] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.891308][ T7555] ? do_syscall_64+0x26/0x610 [ 67.895978][ T7555] __x64_sys_writev+0x75/0xb0 [ 67.900649][ T7555] do_syscall_64+0x103/0x610 [ 67.905233][ T7555] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.912686][ T7555] RIP: 0033:0x441ff0 [ 67.916561][ T7555] 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 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 [ 67.936507][ T7555] RSP: 002b:00007ffe2be5fd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 67.945175][ T7555] RAX: ffffffffffffffda RBX: 00007ffe2be5fd80 RCX: 0000000000441ff0 [ 67.953140][ T7555] RDX: 0000000000000001 RSI: 00007ffe2be5fd80 RDI: 00000000000000f0 [ 67.961109][ T7555] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 67.969073][ T7555] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe2be5fd50 [ 67.977026][ T7555] R13: 0000000000403420 R14: 0000000000000000 R15: 0000000000000000 [ 67.984988][ T7555] Modules linked in: [ 67.988945][ T7555] ---[ end trace f81c285bf62da2a1 ]--- [ 67.994427][ T7555] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 68.000578][ T7555] 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 51 56 4d fb e8 fc a9 [ 68.020238][ T7555] RSP: 0018:ffff88808fa0f130 EFLAGS: 00010246 [ 68.026335][ T7555] RAX: dffffc0000000000 RBX: ffff88808f8818c0 RCX: ffffffff8610e403 [ 68.034335][ T7555] RDX: 0000000000000000 RSI: ffffffff8610e440 RDI: ffff888093f3a788 [ 68.042426][ T7555] RBP: ffff88808fa0f158 R08: ffff88808723a300 R09: ffffed1015d05bc0 [ 68.050455][ T7555] R10: ffffed1015d05bbf R11: ffff8880ae82ddfb R12: 0000000000000000 [ 68.058661][ T7555] R13: 0000000000000037 R14: ffff88808f8818d0 R15: ffffffffffffffff [ 68.066965][ T7555] FS: 0000000000cae880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 68.075999][ T7555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.082607][ T7555] CR2: 0000000020000110 CR3: 000000008f6c0000 CR4: 00000000001406f0 [ 68.090572][ T7555] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.098727][ T7555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.106735][ T7555] Kernel panic - not syncing: Fatal exception in interrupt [ 68.114869][ T7555] Kernel Offset: disabled [ 68.119199][ T7555] Rebooting in 86400 seconds..