[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.398436][ T27] audit: type=1800 audit(1558143742.607:25): pid=8739 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.444770][ T27] audit: type=1800 audit(1558143742.607:26): pid=8739 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.490317][ T27] audit: type=1800 audit(1558143742.607:27): pid=8739 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 '10.128.0.180' (ECDSA) to the list of known hosts. 2019/05/18 01:42:31 fuzzer started 2019/05/18 01:42:34 dialing manager at 10.128.0.26:37669 2019/05/18 01:42:34 syscalls: 1006 2019/05/18 01:42:34 code coverage: enabled 2019/05/18 01:42:34 comparison tracing: enabled 2019/05/18 01:42:34 extra coverage: extra coverage is not supported by the kernel 2019/05/18 01:42:34 setuid sandbox: enabled 2019/05/18 01:42:34 namespace sandbox: enabled 2019/05/18 01:42:34 Android sandbox: /sys/fs/selinux/policy does not exist 2019/05/18 01:42:34 fault injection: enabled 2019/05/18 01:42:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/05/18 01:42:34 net packet injection: enabled 2019/05/18 01:42:34 net device setup: enabled 01:42:36 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) syzkaller login: [ 72.633173][ T8904] IPVS: ftp: loaded support on port[0] = 21 [ 72.643708][ T8904] NET: Registered protocol family 30 [ 72.649073][ T8904] Failed to register TIPC socket type 01:42:36 executing program 1: r0 = socket(0x10, 0x400000000080803, 0x0) write(r0, &(0x7f0000001540)="240000001a00d17da53a7436fef7001d0a0b49ffed000000800028000800030001000000", 0x24) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f000014f000)={0x0, 0xfffffffffffffecf, &(0x7f00000bfff0)={&(0x7f0000006440)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in6=@mcast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}}}, 0xb8}}, 0x0) read(r0, &(0x7f0000002580)=""/4096, 0x1000) [ 72.883653][ T8906] IPVS: ftp: loaded support on port[0] = 21 [ 72.909084][ T8906] NET: Registered protocol family 30 [ 72.914391][ T8906] Failed to register TIPC socket type 01:42:37 executing program 2: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$sock_void(r0, 0x29, 0x0, 0x70fe0000000000, 0xf000) [ 73.294403][ T8908] IPVS: ftp: loaded support on port[0] = 21 [ 73.318892][ T8908] NET: Registered protocol family 30 [ 73.324202][ T8908] Failed to register TIPC socket type 01:42:37 executing program 3: r0 = socket(0x400020000000010, 0x2, 0x0) write(r0, &(0x7f00000000c0)="1b0000005e00ffff07000000fc07ff1b070404000d000000290301", 0x1b) [ 73.793010][ T8910] IPVS: ftp: loaded support on port[0] = 21 [ 73.819051][ T8910] NET: Registered protocol family 30 [ 73.824363][ T8910] Failed to register TIPC socket type 01:42:38 executing program 4: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'erspan0\x00', 0x15}, 0xffffff94) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 74.403610][ T8912] IPVS: ftp: loaded support on port[0] = 21 [ 74.448873][ T8912] NET: Registered protocol family 30 [ 74.454187][ T8912] Failed to register TIPC socket type 01:42:38 executing program 5: accept4$tipc(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x0) mmap(&(0x7f000035d000/0x2000)=nil, 0x2000, 0x0, 0x31, 0xffffffffffffffff, 0x0) mmap(&(0x7f00008df000/0x1000)=nil, 0x1000, 0x0, 0x1132, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000def000/0xe000)=nil, 0xe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000baa000/0x3000)=nil, 0x3000, 0x0, 0x31, 0xffffffffffffffff, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") mmap(&(0x7f00008b0000/0x200000)=nil, 0x200000, 0x2, 0x2031, 0xffffffffffffffff, 0x0) [ 75.237555][ T8915] IPVS: ftp: loaded support on port[0] = 21 [ 75.270310][ T8904] chnl_net:caif_netlink_parms(): no params data found [ 75.327850][ T8915] NET: Registered protocol family 30 [ 75.333646][ T8915] Failed to register TIPC socket type [ 75.620121][ T8904] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.713862][ T8904] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.804045][ T8904] device bridge_slave_0 entered promiscuous mode [ 75.927384][ T8904] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.934534][ T8904] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.165845][ T8904] device bridge_slave_1 entered promiscuous mode [ 76.679701][ T8904] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.960457][ T8904] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.613759][ T8904] team0: Port device team_slave_0 added [ 77.975136][ T8904] team0: Port device team_slave_1 added [ 79.312354][ T8904] device hsr_slave_0 entered promiscuous mode [ 79.797862][ T8904] device hsr_slave_1 entered promiscuous mode [ 81.988777][ T8904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.439492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.496516][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.657533][ T8904] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.015872][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.106270][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.255709][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.262928][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.727936][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.766600][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.928629][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.086611][ T2991] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.093695][ T2991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.315064][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.475780][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.879345][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.953948][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.129593][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.286612][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.416898][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.638268][ T9157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.676352][ T9157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.814437][ T8904] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.147390][ T8904] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.296814][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.335583][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.748025][ T8904] 8021q: adding VLAN 0 to HW filter on device batadv0 01:42:55 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) 01:42:56 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) 01:42:59 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) [ 96.662124][ T9397] IPVS: ftp: loaded support on port[0] = 21 [ 96.871561][ T9395] IPVS: ftp: loaded support on port[0] = 21 [ 96.956290][ T9393] IPVS: ftp: loaded support on port[0] = 21 01:43:01 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) [ 97.375242][ T9394] IPVS: ftp: loaded support on port[0] = 21 [ 97.386546][ T9393] NET: Registered protocol family 30 [ 97.391838][ T9393] Failed to register TIPC socket type [ 97.429481][ T9395] list_add double add: new=ffffffff89544ab0, prev=ffffffff89334ac0, next=ffffffff89544ab0. [ 97.445454][ T9396] IPVS: ftp: loaded support on port[0] = 21 [ 97.875806][ T9395] ------------[ cut here ]------------ [ 97.881315][ T9395] kernel BUG at lib/list_debug.c:29! [ 98.215551][ T9395] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 98.221649][ T9395] CPU: 0 PID: 9395 Comm: syz-executor.3 Not tainted 5.1.0+ #18 [ 98.229182][ T9395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.239245][ T9395] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 98.245135][ T9395] Code: 56 ff ff ff 4c 89 e1 48 c7 c7 20 4c a3 87 e8 00 60 25 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 60 4d a3 87 e8 e9 5f 25 fe <0f> 0b 48 89 f1 48 c7 c7 e0 4c a3 87 4c 89 e6 e8 d5 5f 25 fe 0f 0b [ 98.264738][ T9395] RSP: 0018:ffff88807a0ffb88 EFLAGS: 00010282 [ 98.270801][ T9395] RAX: 0000000000000058 RBX: ffffffff89544920 RCX: 0000000000000000 [ 98.278855][ T9395] RDX: 0000000000000000 RSI: ffffffff815afbe6 RDI: ffffed100f41ff63 [ 98.286823][ T9395] RBP: ffff88807a0ffba0 R08: 0000000000000058 R09: ffffed1015d06011 [ 98.294792][ T9395] R10: ffffed1015d06010 R11: ffff8880ae830087 R12: ffffffff89544ab0 [ 98.302762][ T9395] R13: ffffffff89544ab0 R14: ffffffff89544ab0 R15: ffffffff89544a50 [ 98.310737][ T9395] FS: 000000000103d940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 98.319665][ T9395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.326249][ T9395] CR2: 00000000004e6a20 CR3: 000000006fb31000 CR4: 00000000001406f0 [ 98.334217][ T9395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.342192][ T9395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.350152][ T9395] Call Trace: [ 98.353452][ T9395] ? mutex_lock_nested+0x16/0x20 [ 98.358394][ T9395] proto_register+0x459/0x8e0 [ 98.363081][ T9395] ? lockdep_init_map+0x1be/0x6d0 [ 98.368108][ T9395] tipc_socket_init+0x1c/0x70 [ 98.372783][ T9395] tipc_init_net+0x32a/0x5b0 [ 98.377377][ T9395] ? tipc_exit_net+0x40/0x40 [ 98.381977][ T9395] ops_init+0xb6/0x410 [ 98.386050][ T9395] setup_net+0x2d3/0x740 [ 98.390288][ T9395] ? copy_net_ns+0x1c0/0x340 [ 98.394874][ T9395] ? ops_init+0x410/0x410 [ 98.399203][ T9395] ? kasan_check_write+0x14/0x20 [ 98.404139][ T9395] ? down_read_killable+0x51/0x220 [ 98.409249][ T9395] copy_net_ns+0x1df/0x340 [ 98.413677][ T9395] create_new_namespaces+0x400/0x7b0 [ 98.418973][ T9395] unshare_nsproxy_namespaces+0xc2/0x200 [ 98.424607][ T9395] ksys_unshare+0x440/0x980 [ 98.429110][ T9395] ? trace_hardirqs_on+0x67/0x230 [ 98.434133][ T9395] ? walk_process_tree+0x2d0/0x2d0 [ 98.439245][ T9395] ? blkcg_exit_queue+0x30/0x30 [ 98.444098][ T9395] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 98.449561][ T9395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.455626][ T9395] ? do_syscall_64+0x26/0x680 [ 98.460305][ T9395] ? lockdep_hardirqs_on+0x418/0x5d0 [ 98.465615][ T9395] __x64_sys_unshare+0x31/0x40 [ 98.470378][ T9395] do_syscall_64+0x103/0x680 [ 98.474970][ T9395] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.480857][ T9395] RIP: 0033:0x45b897 [ 98.484775][ T9395] Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.504378][ T9395] RSP: 002b:00007fff6f0103c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 98.512796][ T9395] RAX: ffffffffffffffda RBX: 000000000073c988 RCX: 000000000045b897 [ 98.520847][ T9395] RDX: 0000000000000000 RSI: 00007fff6f010370 RDI: 0000000040000000 [ 98.528814][ T9395] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005 [ 98.536785][ T9395] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000414ab0 [ 98.544753][ T9395] R13: 0000000000414b40 R14: 0000000000000000 R15: 0000000000000000 [ 98.552730][ T9395] Modules linked in: 01:43:03 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) [ 99.642700][ T3880] kobject: 'loop0' (0000000015e91a5d): kobject_uevent_env [ 99.764832][ T3880] kobject: 'loop0' (0000000015e91a5d): fill_kobj_path: path = '/devices/virtual/block/loop0' 01:43:05 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000180)="0adc1f123c123f319bd070") recvmmsg(0xffffffffffffffff, &(0x7f000000c080)=[{{0x0, 0x0, &(0x7f0000007e80)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000007d80)=""/230, 0xe6}], 0x6}}], 0x1, 0x0, 0x0) r1 = socket$kcm(0x29, 0x5, 0x0) sendmmsg(r1, &(0x7f0000007e00), 0x40000a3, 0x0) [ 101.201046][ T3880] kobject: 'loop0' (0000000015e91a5d): kobject_uevent_env [ 101.344760][ T3880] kobject: 'loop0' (0000000015e91a5d): fill_kobj_path: path = '/devices/virtual/block/loop0' 01:43:06 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x100000001) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000280)={0x90000000}) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r0, &(0x7f0000000000)) [ 102.629949][ T3880] kobject: 'loop0' (0000000015e91a5d): kobject_uevent_env [ 102.725249][ T3880] kobject: 'loop0' (0000000015e91a5d): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 103.540845][ T3880] kobject: 'loop0' (0000000015e91a5d): kobject_uevent_env [ 103.605196][ T3880] kobject: 'loop0' (0000000015e91a5d): fill_kobj_path: path = '/devices/virtual/block/loop0'