[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.083782][ T26] audit: type=1800 audit(1573818521.269:25): pid=8509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.115419][ T26] audit: type=1800 audit(1573818521.279:26): pid=8509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.136444][ T26] audit: type=1800 audit(1573818521.279:27): pid=8509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.112' (ECDSA) to the list of known hosts. 2019/11/15 11:49:01 parsed 1 programs 2019/11/15 11:49:02 executed programs: 0 syzkaller login: [ 76.777792][ T8677] IPVS: ftp: loaded support on port[0] = 21 [ 76.840472][ T8677] chnl_net:caif_netlink_parms(): no params data found [ 76.869278][ T8677] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.876672][ T8677] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.884374][ T8677] device bridge_slave_0 entered promiscuous mode [ 76.892264][ T8677] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.899401][ T8677] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.906994][ T8677] device bridge_slave_1 entered promiscuous mode [ 76.923404][ T8677] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.934289][ T8677] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.952997][ T8677] team0: Port device team_slave_0 added [ 76.960193][ T8677] team0: Port device team_slave_1 added [ 77.027536][ T8677] device hsr_slave_0 entered promiscuous mode [ 77.076106][ T8677] device hsr_slave_1 entered promiscuous mode [ 77.159999][ T8677] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.227866][ T8677] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.297709][ T8677] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.358739][ T8677] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.446364][ T8677] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.453507][ T8677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.461233][ T8677] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.468314][ T8677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.501923][ T8677] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.515196][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.535247][ T3018] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.543960][ T3018] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.552849][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.564560][ T8677] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.574960][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.583507][ T3512] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.590567][ T3512] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.602588][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.611411][ T3018] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.618501][ T3018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.637189][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.645897][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.654570][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.668244][ T8679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.676909][ T8679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.687402][ T8677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.707310][ T8679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.714716][ T8679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.726529][ T8677] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.815490][ T8682] FAULT_INJECTION: forcing a failure. [ 77.815490][ T8682] name failslab, interval 1, probability 0, space 0, times 1 [ 77.828567][ T8682] CPU: 0 PID: 8682 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 77.836370][ T8682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.846405][ T8682] Call Trace: [ 77.849677][ T8682] dump_stack+0x197/0x210 [ 77.853991][ T8682] should_fail.cold+0xa/0x15 [ 77.858702][ T8682] ? fault_create_debugfs_attr+0x180/0x180 [ 77.864490][ T8682] ? ___might_sleep+0x163/0x2c0 [ 77.869324][ T8682] __should_failslab+0x121/0x190 [ 77.874246][ T8682] should_failslab+0x9/0x14 [ 77.878730][ T8682] kmem_cache_alloc_trace+0x2d3/0x790 [ 77.884085][ T8682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.890312][ T8682] virtio_transport_do_socket_init+0x4b/0x2f0 [ 77.896375][ T8682] vsock_assign_transport+0x190/0x2d0 [ 77.901769][ T8682] vsock_stream_connect+0x2b3/0xbe0 [ 77.906996][ T8682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.913220][ T8682] ? vsock_dgram_connect+0x470/0x470 [ 77.918494][ T8682] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 77.924106][ T8682] ? finish_wait+0x260/0x260 [ 77.928675][ T8682] ? apparmor_socket_connect+0xb6/0x160 [ 77.934197][ T8682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.940464][ T8682] __sys_connect+0x264/0x330 [ 77.945039][ T8682] ? __ia32_sys_accept+0xb0/0xb0 [ 77.949970][ T8682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.956188][ T8682] ? ksys_write+0x1cf/0x290 [ 77.960672][ T8682] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 77.966110][ T8682] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 77.971546][ T8682] ? do_syscall_64+0x26/0x760 [ 77.976203][ T8682] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.982246][ T8682] ? do_syscall_64+0x26/0x760 [ 77.986907][ T8682] __x64_sys_connect+0x73/0xb0 [ 77.991650][ T8682] do_syscall_64+0xfa/0x760 [ 77.996134][ T8682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.002004][ T8682] RIP: 0033:0x45a659 [ 78.005883][ T8682] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.025464][ T8682] RSP: 002b:00007fffecea5c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 78.033851][ T8682] RAX: ffffffffffffffda RBX: 00007fffecea5c40 RCX: 000000000045a659 [ 78.041801][ T8682] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003 [ 78.049762][ T8682] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.057709][ T8682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000be9914 [ 78.065672][ T8682] R13: 00000000004c0ed7 R14: 00000000004d3970 R15: 0000000000000004 [ 78.079544][ T8682] kasan: CONFIG_KASAN_INLINE enabled [ 78.084993][ T8682] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 78.093287][ T8682] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 78.100223][ T8682] CPU: 0 PID: 8682 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 78.108011][ T8682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.118059][ T8682] RIP: 0010:virtio_transport_release+0x13b/0xcb0 [ 78.124372][ T8682] Code: e8 aa f7 2b fa 66 41 83 fd 01 0f 84 34 02 00 00 e8 3a f6 2b fa 48 8b 95 30 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 22 0a 00 00 48 8b bb 98 00 00 00 48 b8 00 00 00 [ 78.143963][ T8682] RSP: 0018:ffff888091c7fc48 EFLAGS: 00010202 [ 78.150005][ T8682] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff874739a0 [ 78.157968][ T8682] RDX: 0000000000000013 RSI: ffffffff874736d6 RDI: 0000000000000001 [ 78.166022][ T8682] RBP: ffff888091c7fd58 R08: ffff888097d28580 R09: fffffbfff1555fe1 [ 78.173969][ T8682] R10: fffffbfff1555fe0 R11: 0000000000000003 R12: ffff888091c7fd30 [ 78.181913][ T8682] R13: 0000000000000007 R14: 0000000000000007 R15: 0000000000000000 [ 78.189860][ T8682] FS: 0000000000be9940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.198763][ T8682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.205324][ T8682] CR2: 0000000000625208 CR3: 00000000a853c000 CR4: 00000000001406f0 [ 78.213274][ T8682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.221219][ T8682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.229163][ T8682] Call Trace: [ 78.232441][ T8682] ? virtio_transport_close_timeout+0x130/0x130 [ 78.238663][ T8682] ? __kasan_check_write+0x14/0x20 [ 78.243753][ T8682] ? down_write+0xdf/0x150 [ 78.248148][ T8682] __vsock_release+0x80/0x2d0 [ 78.252805][ T8682] vsock_release+0x35/0xa0 [ 78.257202][ T8682] __sock_release+0xce/0x280 [ 78.261895][ T8682] sock_close+0x1e/0x30 [ 78.266029][ T8682] __fput+0x2ff/0x890 [ 78.270002][ T8682] ? __sock_release+0x280/0x280 [ 78.274847][ T8682] ____fput+0x16/0x20 [ 78.278821][ T8682] task_work_run+0x145/0x1c0 [ 78.283390][ T8682] exit_to_usermode_loop+0x316/0x380 [ 78.288653][ T8682] do_syscall_64+0x65f/0x760 [ 78.293221][ T8682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.299087][ T8682] RIP: 0033:0x4141d0 [ 78.302959][ T8682] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 9d 42 66 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 78.322535][ T8682] RSP: 002b:00007fffecea5ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 78.330928][ T8682] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004141d0 [ 78.338879][ T8682] RDX: 0000001b32020000 RSI: 0000000000000000 RDI: 0000000000000003 [ 78.346998][ T8682] RBP: 0000000000000001 R08: 000000000000000c R09: ffffffffffffffff [ 78.354944][ T8682] R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000075bf20 [ 78.362891][ T8682] R13: 0000000000000003 R14: 00000000007601a8 R15: 000000000075bf2c [ 78.370843][ T8682] Modules linked in: [ 78.376214][ T8682] ---[ end trace 1a582b36cf5943a2 ]--- [ 78.381688][ T8682] RIP: 0010:virtio_transport_release+0x13b/0xcb0 [ 78.388197][ T8682] Code: e8 aa f7 2b fa 66 41 83 fd 01 0f 84 34 02 00 00 e8 3a f6 2b fa 48 8b 95 30 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 22 0a 00 00 48 8b bb 98 00 00 00 48 b8 00 00 00 [ 78.407829][ T8682] RSP: 0018:ffff888091c7fc48 EFLAGS: 00010202 [ 78.413893][ T8682] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff874739a0 [ 78.422515][ T8682] RDX: 0000000000000013 RSI: ffffffff874736d6 RDI: 0000000000000001 [ 78.430568][ T8682] RBP: ffff888091c7fd58 R08: ffff888097d28580 R09: fffffbfff1555fe1 [ 78.438603][ T8682] R10: fffffbfff1555fe0 R11: 0000000000000003 R12: ffff888091c7fd30 [ 78.446587][ T8682] R13: 0000000000000007 R14: 0000000000000007 R15: 0000000000000000 [ 78.454549][ T8682] FS: 0000000000be9940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.463483][ T8682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.470074][ T8682] CR2: 0000000000625208 CR3: 00000000a853c000 CR4: 00000000001406f0 [ 78.478060][ T8682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.486041][ T8682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.493987][ T8682] Kernel panic - not syncing: Fatal exception [ 78.501309][ T8682] Kernel Offset: disabled [ 78.505626][ T8682] Rebooting in 86400 seconds..