[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.999106][ T24] audit: type=1800 audit(1558138250.994:25): pid=8796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 65.045506][ T24] audit: type=1800 audit(1558138250.994:26): pid=8796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 65.078327][ T24] audit: type=1800 audit(1558138251.004:27): pid=8796 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 '10.128.0.47' (ECDSA) to the list of known hosts. 2019/05/18 00:11:01 fuzzer started 2019/05/18 00:11:04 dialing manager at 10.128.0.26:37669 2019/05/18 00:11:04 syscalls: 1006 2019/05/18 00:11:04 code coverage: enabled 2019/05/18 00:11:04 comparison tracing: enabled 2019/05/18 00:11:04 extra coverage: extra coverage is not supported by the kernel 2019/05/18 00:11:04 setuid sandbox: enabled 2019/05/18 00:11:04 namespace sandbox: enabled 2019/05/18 00:11:04 Android sandbox: /sys/fs/selinux/policy does not exist 2019/05/18 00:11:04 fault injection: enabled 2019/05/18 00:11:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/05/18 00:11:04 net packet injection: enabled 2019/05/18 00:11:04 net device setup: enabled 00:11:06 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x2, &(0x7f0000000100)={&(0x7f00000001c0)={0x24, 0x23, 0x847, 0x0, 0x3300, {0x2804}, [@typed={0x6, 0x11, @str=':%/ime_type\x00'}]}, 0x24}}, 0x0) syzkaller login: [ 80.397059][ T8965] IPVS: ftp: loaded support on port[0] = 21 [ 80.407723][ T8965] NET: Registered protocol family 30 [ 80.413037][ T8965] Failed to register TIPC socket type 00:11:06 executing program 1: r0 = socket(0x8000000000000010, 0x3, 0x0) write(r0, &(0x7f0000000040)="3e0000004e001f00ff03f4f9002304000a04f51108000100050000020800769e11579131f4941fd41109028001cba80054de5a03df7f0ba362969c8f849c", 0x3e) [ 80.716193][ T8967] IPVS: ftp: loaded support on port[0] = 21 [ 80.736597][ T8967] NET: Registered protocol family 30 [ 80.741924][ T8967] Failed to register TIPC socket type 00:11:06 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r1, &(0x7f0000000340)={0x2, 0x0, @remote}, 0x10) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x2a, &(0x7f0000000140)={0x100000001, {{0x2, 0x0, @multicast2}}}, 0x217) [ 81.057205][ T8969] IPVS: ftp: loaded support on port[0] = 21 [ 81.088384][ T8969] NET: Registered protocol family 30 [ 81.093719][ T8969] Failed to register TIPC socket type 00:11:07 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f3188b070") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet6(r1, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000140)=[@sack_perm, @sack_perm={0x2}, @timestamp], 0x11cc51) ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) sendto$inet6(r1, 0x0, 0x0, 0x0, 0x0, 0x0) [ 81.640876][ T8971] IPVS: ftp: loaded support on port[0] = 21 [ 81.669677][ T8971] NET: Registered protocol family 30 [ 81.675015][ T8971] Failed to register TIPC socket type 00:11:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000240)="31000000130009006900000000000010ab008048130000004600010700000014080003c025250000000001f50000000000", 0x31}], 0x1) [ 82.252363][ T8973] IPVS: ftp: loaded support on port[0] = 21 [ 82.262607][ T8973] NET: Registered protocol family 30 [ 82.285754][ T8973] Failed to register TIPC socket type 00:11:08 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f00000000c0)='cgroup.subtree_control\x00', 0x2, 0x0) close(r1) openat$cgroup_procs(r0, &(0x7f0000000100)='cgroup.threads\x00', 0x2, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001900)=[{{0x0, 0x0, &(0x7f0000000280)=[{0x0}], 0x1}, 0x6}], 0x1, 0x0, 0x0) readv(r1, &(0x7f00000002c0), 0x18f) [ 83.187725][ T8982] IPVS: ftp: loaded support on port[0] = 21 [ 83.267376][ T8965] chnl_net:caif_netlink_parms(): no params data found [ 83.304873][ T8982] NET: Registered protocol family 30 [ 83.375373][ T8982] Failed to register TIPC socket type [ 83.600474][ T8965] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.665661][ T8965] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.736960][ T8965] device bridge_slave_0 entered promiscuous mode [ 83.807680][ T8965] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.814879][ T8965] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.915974][ T8965] device bridge_slave_1 entered promiscuous mode [ 84.447827][ T8965] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 84.811199][ T8965] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 85.401735][ T8965] team0: Port device team_slave_0 added [ 85.798918][ T8965] team0: Port device team_slave_1 added [ 87.223483][ T8965] device hsr_slave_0 entered promiscuous mode [ 87.668847][ T8965] device hsr_slave_1 entered promiscuous mode [ 90.144365][ T8965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.637301][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 90.707123][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.870408][ T8965] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.237375][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.279839][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.412526][ T2852] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.419887][ T2852] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.665956][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 91.857652][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.956135][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.075904][ T9178] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.083063][ T9178] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.396260][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.518062][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.655049][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.726345][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.009449][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.076233][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.236384][ T9178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.439200][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.476046][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.676854][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.849647][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.013853][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.550349][ T8965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.837301][ T9431] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. 00:11:24 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x2, &(0x7f0000000100)={&(0x7f00000001c0)={0x24, 0x23, 0x847, 0x0, 0x3300, {0x2804}, [@typed={0x6, 0x11, @str=':%/ime_type\x00'}]}, 0x24}}, 0x0) [ 98.718199][ T9447] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. 00:11:27 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x2, &(0x7f0000000100)={&(0x7f00000001c0)={0x24, 0x23, 0x847, 0x0, 0x3300, {0x2804}, [@typed={0x6, 0x11, @str=':%/ime_type\x00'}]}, 0x24}}, 0x0) [ 101.865536][ T9465] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 102.610808][ T9467] IPVS: ftp: loaded support on port[0] = 21 [ 103.099872][ T9467] NET: Registered protocol family 30 [ 103.105217][ T9467] Failed to register TIPC socket type [ 103.611071][ T9469] IPVS: ftp: loaded support on port[0] = 21 [ 103.688079][ T9471] IPVS: ftp: loaded support on port[0] = 21 [ 103.759991][ T9470] IPVS: ftp: loaded support on port[0] = 21 00:11:29 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x2, &(0x7f0000000100)={&(0x7f00000001c0)={0x24, 0x23, 0x847, 0x0, 0x3300, {0x2804}, [@typed={0x6, 0x11, @str=':%/ime_type\x00'}]}, 0x24}}, 0x0) [ 103.890470][ T9469] NET: Registered protocol family 30 [ 104.109719][ T9471] list_add double add: new=ffffffff89544ab0, prev=ffffffff89334ac0, next=ffffffff89544ab0. [ 104.655676][ T9471] ------------[ cut here ]------------ [ 104.661182][ T9471] kernel BUG at lib/list_debug.c:29! [ 104.758046][ T9469] Failed to register TIPC socket type [ 104.775951][ T9481] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 105.145356][ T9471] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 105.151475][ T9471] CPU: 0 PID: 9471 Comm: syz-executor.1 Not tainted 5.1.0+ #18 [ 105.159020][ T9471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.169101][ T9471] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 105.175006][ T9471] 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 [ 105.194669][ T9471] RSP: 0000:ffff88807e457b88 EFLAGS: 00010282 [ 105.200740][ T9471] RAX: 0000000000000058 RBX: ffffffff89544920 RCX: 0000000000000000 [ 105.208724][ T9471] RDX: 0000000000000000 RSI: ffffffff815afbe6 RDI: ffffed100fc8af63 [ 105.216699][ T9471] RBP: ffff88807e457ba0 R08: 0000000000000058 R09: ffffed1015d06011 [ 105.224759][ T9471] R10: ffffed1015d06010 R11: ffff8880ae830087 R12: ffffffff89544ab0 [ 105.232735][ T9471] R13: ffffffff89544ab0 R14: ffffffff89544ab0 R15: ffffffff89544a50 [ 105.240716][ T9471] FS: 0000000001077940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.249653][ T9471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.256239][ T9471] CR2: 00007fff82b9cf5c CR3: 000000007e416000 CR4: 00000000001406f0 [ 105.264216][ T9471] Call Trace: [ 105.267526][ T9471] ? mutex_lock_nested+0x16/0x20 [ 105.272484][ T9471] proto_register+0x459/0x8e0 [ 105.277172][ T9471] ? lockdep_init_map+0x1be/0x6d0 [ 105.282203][ T9471] tipc_socket_init+0x1c/0x70 [ 105.286883][ T9471] tipc_init_net+0x32a/0x5b0 [ 105.291479][ T9471] ? tipc_exit_net+0x40/0x40 [ 105.296074][ T9471] ops_init+0xb6/0x410 [ 105.300152][ T9471] setup_net+0x2d3/0x740 [ 105.304400][ T9471] ? copy_net_ns+0x1c0/0x340 [ 105.308999][ T9471] ? ops_init+0x410/0x410 [ 105.313351][ T9471] ? kasan_check_write+0x14/0x20 [ 105.318314][ T9471] ? down_read_killable+0x51/0x220 [ 105.323434][ T9471] copy_net_ns+0x1df/0x340 [ 105.327954][ T9471] create_new_namespaces+0x400/0x7b0 [ 105.333252][ T9471] unshare_nsproxy_namespaces+0xc2/0x200 [ 105.338894][ T9471] ksys_unshare+0x440/0x980 [ 105.343402][ T9471] ? trace_hardirqs_on+0x67/0x230 [ 105.348433][ T9471] ? walk_process_tree+0x2d0/0x2d0 [ 105.353556][ T9471] ? blkcg_exit_queue+0x30/0x30 [ 105.358436][ T9471] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 105.363905][ T9471] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.369980][ T9471] ? do_syscall_64+0x26/0x680 [ 105.374667][ T9471] ? lockdep_hardirqs_on+0x418/0x5d0 [ 105.379966][ T9471] __x64_sys_unshare+0x31/0x40 [ 105.384736][ T9471] do_syscall_64+0x103/0x680 [ 105.389349][ T9471] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.395243][ T9471] RIP: 0033:0x45b897 [ 105.399173][ T9471] 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 [ 105.418780][ T9471] RSP: 002b:00007ffeb0c7d948 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 105.427216][ T9471] RAX: ffffffffffffffda RBX: 000000000073c988 RCX: 000000000045b897 [ 105.435194][ T9471] RDX: 0000000000000000 RSI: 00007ffeb0c7d8f0 RDI: 0000000040000000 [ 105.443171][ T9471] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005 [ 105.451148][ T9471] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000414ab0 [ 105.459118][ T9471] R13: 0000000000414b40 R14: 0000000000000000 R15: 0000000000000000 [ 105.470230][ T9471] Modules linked in: [ 105.565699][ T9481] kobject: 'hwsim5' (00000000a48bf2f9): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' [ 106.166349][ T9481] kobject: 'hwsim5' (00000000a48bf2f9): kobject_uevent_env [ 106.555788][ T9481] kobject: 'hwsim5' (00000000a48bf2f9): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5' [ 107.006076][ T9481] kobject: 'hwsim5' (00000000a48bf2f9): kobject_uevent_env [ 107.336226][ T9481] kobject: 'hwsim5' (00000000a48bf2f9): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5' [ 107.835964][ T9481] kobject: 'ieee80211' (000000006c644195): kobject_add_internal: parent: 'hwsim5', set: '(null)' [ 108.350641][ T9481] kobject: 'phy6' (000000001832a18b): kobject_add_internal: parent: 'ieee80211', set: 'devices' [ 108.506247][ T9481] kobject: 'phy6' (000000001832a18b): kobject_uevent_env [ 108.513362][ T9481] kobject: 'phy6' (000000001832a18b): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/ieee80211/phy6' [ 109.728172][ T9481] kobject: 'rfkill8' (00000000bb9022ff): kobject_add_internal: parent: 'phy6', set: 'devices' [ 110.605597][ T9481] kobject: 'rfkill8' (00000000bb9022ff): kobject_uevent_env [ 110.612973][ T9481] kobject: 'rfkill8' (00000000bb9022ff): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/ieee80211/phy6/rfkill8' [ 110.745908][ T9511] IPVS: ftp: loaded support on port[0] = 21 [ 111.316289][ T9481] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 111.325265][ T9481] kobject: 'net' (00000000a26dadf2): kobject_add_internal: parent: 'hwsim5', set: '(null)' [ 111.933287][ T9481] kobject: 'wlan5' (00000000241a28b5): kobject_add_internal: parent: 'net', set: 'devices' [ 112.276383][ T9481] kobject: 'wlan5' (00000000241a28b5): kobject_uevent_env [ 112.283667][ T9481] kobject: 'wlan5' (00000000241a28b5): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan5' [ 112.906229][ T9481] kobject: 'queues' (00000000c27f73f2): kobject_add_internal: parent: 'wlan5', set: '' [ 113.195348][ T9481] kobject: 'queues' (00000000c27f73f2): kobject_uevent_env [ 113.202597][ T9481] kobject: 'queues' (00000000c27f73f2): kobject_uevent_env: filter function caused the event to drop! [ 113.715406][ T9481] kobject: 'rx-0' (000000006aa91d66): kobject_add_internal: parent: 'queues', set: 'queues' [ 113.955424][ T9481] kobject: 'rx-0' (000000006aa91d66): kobject_uevent_env [ 113.962553][ T9481] kobject: 'rx-0' (000000006aa91d66): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan5/queues/rx-0' [ 114.575819][ T9481] kobject: 'tx-0' (00000000812290f9): kobject_add_internal: parent: 'queues', set: 'queues'