[ 38.220264][ T26] audit: type=1800 audit(1551181194.439:27): pid=7609 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 38.243692][ T26] audit: type=1800 audit(1551181194.439:28): pid=7609 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. [ 39.210682][ T26] audit: type=1800 audit(1551181195.469:29): pid=7609 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 [ 39.231285][ T26] audit: type=1800 audit(1551181195.469:30): pid=7609 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 '10.128.0.220' (ECDSA) to the list of known hosts. syzkaller login: [ 50.673085][ T7761] IPVS: ftp: loaded support on port[0] = 21 [ 50.727014][ T7761] chnl_net:caif_netlink_parms(): no params data found [ 50.755053][ T7761] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.762953][ T7761] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.770561][ T7761] device bridge_slave_0 entered promiscuous mode [ 50.778425][ T7761] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.785491][ T7761] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.793239][ T7761] device bridge_slave_1 entered promiscuous mode [ 50.807964][ T7761] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.817339][ T7761] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.834487][ T7761] team0: Port device team_slave_0 added [ 50.841622][ T7761] team0: Port device team_slave_1 added [ 50.907440][ T7761] device hsr_slave_0 entered promiscuous mode [ 50.956432][ T7761] device hsr_slave_1 entered promiscuous mode [ 51.033117][ T7761] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.040254][ T7761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.047844][ T7761] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.054872][ T7761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.082911][ T7761] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.094710][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.114646][ T3482] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.123006][ T3482] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.131393][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.142395][ T7761] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.152231][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.160625][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.167766][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.186910][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.195320][ T3482] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.202423][ T3482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.210379][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.218878][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.227279][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 51.235718][ T3482] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.245877][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.257447][ T7761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.273254][ T7761] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.284129][ T7761] kasan: CONFIG_KASAN_INLINE enabled [ 51.289503][ T7761] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.297585][ T7761] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.304496][ T7761] CPU: 0 PID: 7761 Comm: syz-executor464 Not tainted 5.0.0-rc8-next-20190226 #43 [ 51.313608][ T7761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.323769][ T7761] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 51.329724][ T7761] 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 11 9c 54 fb e8 dc f0 [ 51.349309][ T7761] RSP: 0018:ffff88809908f120 EFLAGS: 00010246 [ 51.355346][ T7761] RAX: dffffc0000000000 RBX: ffff8880927db200 RCX: ffffffff860973b3 [ 51.363288][ T7761] RDX: 0000000000000000 RSI: ffffffff860973f0 RDI: ffff88809576d9c8 [ 51.371279][ T7761] RBP: ffff88809908f148 R08: ffff888093122340 R09: ffffed1015d05bc8 [ 51.379268][ T7761] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 51.387219][ T7761] R13: 0000000000000036 R14: ffff8880927db210 R15: ffffffffffffffff [ 51.395168][ T7761] FS: 00000000009d5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.404078][ T7761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.410650][ T7761] CR2: 0000000020000040 CR3: 0000000093202000 CR4: 00000000001406f0 [ 51.418600][ T7761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.426555][ T7761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.434505][ T7761] Call Trace: [ 51.437778][ T7761] __xfrm_policy_check+0x1f8/0x2730 [ 51.442952][ T7761] ? lock_downgrade+0x880/0x880 [ 51.447781][ T7761] ? kasan_check_read+0x11/0x20 [ 51.452629][ T7761] ? __xfrm_route_forward+0x830/0x830 [ 51.457992][ T7761] ? __lock_acquire+0x55d/0x4710 [ 51.462903][ T7761] ? find_held_lock+0x35/0x130 [ 51.467650][ T7761] ? vti_input+0x217/0x7b0 [ 51.472039][ T7761] ? find_held_lock+0x35/0x130 [ 51.476804][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.483019][ T7761] ? ip_tunnel_lookup+0xa0f/0xe00 [ 51.488025][ T7761] vti_input+0x4e3/0x7b0 [ 51.492245][ T7761] vti_rcv+0x10b/0x140 [ 51.496291][ T7761] xfrm4_esp_rcv+0xd8/0x230 [ 51.500772][ T7761] ip_protocol_deliver_rcu+0x60/0x8e0 [ 51.506131][ T7761] ? kasan_check_read+0x11/0x20 [ 51.510970][ T7761] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 51.516839][ T7761] ip_local_deliver_finish+0x23b/0x390 [ 51.522368][ T7761] ip_local_deliver+0x1e9/0x520 [ 51.527197][ T7761] ? ip_local_deliver_finish+0x390/0x390 [ 51.532804][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.539032][ T7761] ? ip_protocol_deliver_rcu+0x8e0/0x8e0 [ 51.544642][ T7761] ? ip_rcv_finish_core.isra.0+0x82c/0x1b80 [ 51.550528][ T7761] ip_rcv_finish+0x1db/0x2f0 [ 51.555123][ T7761] ip_rcv+0xe8/0x3f0 [ 51.558992][ T7761] ? ip_local_deliver+0x520/0x520 [ 51.564009][ T7761] ? ip_rcv_finish_core.isra.0+0x1b80/0x1b80 [ 51.569969][ T7761] ? ip_local_deliver+0x520/0x520 [ 51.574983][ T7761] __netif_receive_skb_one_core+0x115/0x1a0 [ 51.580853][ T7761] ? __netif_receive_skb_core+0x3010/0x3010 [ 51.586724][ T7761] ? lock_acquire+0x16f/0x3f0 [ 51.591384][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.597613][ T7761] __netif_receive_skb+0x2c/0x1c0 [ 51.602630][ T7761] netif_receive_skb_internal+0x117/0x660 [ 51.608327][ T7761] ? dev_cpu_dead+0x920/0x920 [ 51.612995][ T7761] ? eth_gro_receive+0x890/0x890 [ 51.617924][ T7761] napi_gro_frags+0xade/0xd10 [ 51.622577][ T7761] tun_get_user+0x2c17/0x3d70 [ 51.627235][ T7761] ? tun_build_skb.isra.0+0x1170/0x1170 [ 51.632759][ T7761] ? tun_get+0x171/0x290 [ 51.636979][ T7761] ? lock_downgrade+0x880/0x880 [ 51.641803][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.648022][ T7761] ? kasan_check_read+0x11/0x20 [ 51.652852][ T7761] tun_chr_write_iter+0xbd/0x160 [ 51.657783][ T7761] do_iter_readv_writev+0x5e1/0x8e0 [ 51.662958][ T7761] ? vfs_dedupe_file_range+0x780/0x780 [ 51.668392][ T7761] ? apparmor_file_permission+0x25/0x30 [ 51.673915][ T7761] ? rw_verify_area+0x118/0x360 [ 51.678763][ T7761] do_iter_write+0x184/0x610 [ 51.683350][ T7761] ? dup_iter+0x260/0x260 [ 51.687658][ T7761] vfs_writev+0x1b3/0x2f0 [ 51.691962][ T7761] ? vfs_iter_write+0xb0/0xb0 [ 51.696704][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.702920][ T7761] ? __handle_mm_fault+0x7cd/0x3ec0 [ 51.708096][ T7761] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 51.713634][ T7761] ? find_held_lock+0x35/0x130 [ 51.718379][ T7761] ? __do_page_fault+0x623/0xda0 [ 51.723292][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.729523][ T7761] ? __fget_light+0x1a9/0x230 [ 51.734193][ T7761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.740407][ T7761] do_writev+0xf6/0x290 [ 51.744538][ T7761] ? vfs_writev+0x2f0/0x2f0 [ 51.749021][ T7761] ? do_syscall_64+0x26/0x610 [ 51.753685][ T7761] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.759724][ T7761] ? do_syscall_64+0x26/0x610 [ 51.764392][ T7761] __x64_sys_writev+0x75/0xb0 [ 51.769052][ T7761] do_syscall_64+0x103/0x610 [ 51.773628][ T7761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.779496][ T7761] RIP: 0033:0x441e60 [ 51.783364][ T7761] 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 b1 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 [ 51.803132][ T7761] RSP: 002b:00007ffddc1154c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 51.811536][ T7761] RAX: ffffffffffffffda RBX: 00007ffddc115500 RCX: 0000000000441e60 [ 51.819485][ T7761] RDX: 0000000000000001 RSI: 00007ffddc115500 RDI: 00000000000000f0 [ 51.827432][ T7761] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.835395][ T7761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.843345][ T7761] R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 [ 51.851288][ T7761] Modules linked in: [ 51.855194][ T7761] ---[ end trace 46a0a36191b44fa2 ]--- [ 51.860675][ T7761] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 51.866661][ T7761] 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 11 9c 54 fb e8 dc f0 [ 51.886287][ T7761] RSP: 0018:ffff88809908f120 EFLAGS: 00010246 [ 51.892363][ T7761] RAX: dffffc0000000000 RBX: ffff8880927db200 RCX: ffffffff860973b3 [ 51.900341][ T7761] RDX: 0000000000000000 RSI: ffffffff860973f0 RDI: ffff88809576d9c8 [ 51.908327][ T7761] RBP: ffff88809908f148 R08: ffff888093122340 R09: ffffed1015d05bc8 [ 51.916301][ T7761] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 51.924263][ T7761] R13: 0000000000000036 R14: ffff8880927db210 R15: ffffffffffffffff [ 51.932240][ T7761] FS: 00000000009d5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.941180][ T7761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.947771][ T7761] CR2: 0000000020000040 CR3: 0000000093202000 CR4: 00000000001406f0 [ 51.955744][ T7761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.963720][ T7761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.971707][ T7761] Kernel panic - not syncing: Fatal exception in interrupt [ 51.979873][ T7761] Kernel Offset: disabled [ 51.984190][ T7761] Rebooting in 86400 seconds..