[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.472265][ T26] audit: type=1800 audit(1558146056.506:25): pid=8437 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.508957][ T26] audit: type=1800 audit(1558146056.506:26): pid=8437 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.542167][ T26] audit: type=1800 audit(1558146056.506:27): pid=8437 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 '10.128.0.151' (ECDSA) to the list of known hosts. 2019/05/18 02:21:06 fuzzer started 2019/05/18 02:21:09 dialing manager at 10.128.0.26:37669 2019/05/18 02:21:09 syscalls: 1006 2019/05/18 02:21:09 code coverage: enabled 2019/05/18 02:21:09 comparison tracing: enabled 2019/05/18 02:21:09 extra coverage: extra coverage is not supported by the kernel 2019/05/18 02:21:09 setuid sandbox: enabled 2019/05/18 02:21:09 namespace sandbox: enabled 2019/05/18 02:21:09 Android sandbox: /sys/fs/selinux/policy does not exist 2019/05/18 02:21:09 fault injection: enabled 2019/05/18 02:21:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/05/18 02:21:09 net packet injection: enabled 2019/05/18 02:21:09 net device setup: enabled 02:21:12 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) 02:21:12 executing program 1: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2c, 0x18, 0x100201, 0x0, 0x0, {0x1d, 0xd601}, [@nested={0x18, 0x3, [@typed={0x14, 0x0, @ipv6=@loopback}]}]}, 0x2c}}, 0x0) syzkaller login: [ 76.410433][ T8603] IPVS: ftp: loaded support on port[0] = 21 [ 76.420699][ T8603] NET: Registered protocol family 30 [ 76.426016][ T8603] Failed to register TIPC socket type 02:21:12 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000beeff0)={&(0x7f000063de2c)=@newsa={0x13c, 0x10, 0x713, 0x0, 0x0, {{@in6=@dev={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000]}}, {@in6=@mcast2, 0x0, 0x32}, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9000000]}, {}, {}, {}, 0x0, 0x0, 0xa, 0x0, 0x0, 0x60}, [@algo_aead={0x4c, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0x0, 0x60}}]}, 0x13c}}, 0x0) [ 76.648012][ T8605] IPVS: ftp: loaded support on port[0] = 21 [ 76.674380][ T8605] NET: Registered protocol family 30 [ 76.679715][ T8605] Failed to register TIPC socket type [ 76.898407][ T8607] IPVS: ftp: loaded support on port[0] = 21 [ 76.924555][ T8607] NET: Registered protocol family 30 [ 76.929874][ T8607] Failed to register TIPC socket type 02:21:13 executing program 3: r0 = socket$kcm(0x10, 0x800000000002, 0x0) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000040)="2e000000280081aee4050cecdf4cb9040a485e510b0000000000034000001dbe1624010020008000000000000000", 0x2e}], 0x1}, 0x0) [ 77.358455][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 77.394642][ T8609] NET: Registered protocol family 30 [ 77.399955][ T8609] Failed to register TIPC socket type 02:21:13 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4e24, 0x0, @ipv4={[], [], @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) [ 77.976588][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 78.014385][ T8611] NET: Registered protocol family 30 [ 78.019700][ T8611] Failed to register TIPC socket type 02:21:14 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000001c0)="0adc1f123c123f319bc070") r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) mmap(&(0x7f0000000000/0xc72000)=nil, 0xc72000, 0x0, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_int(r1, 0x29, 0xcb, &(0x7f0000114000), 0x3) [ 78.658194][ T8613] IPVS: ftp: loaded support on port[0] = 21 [ 78.674363][ T8613] NET: Registered protocol family 30 [ 78.679671][ T8613] Failed to register TIPC socket type [ 79.167151][ T8603] chnl_net:caif_netlink_parms(): no params data found [ 79.517338][ T8603] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.640548][ T8603] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.780837][ T8603] device bridge_slave_0 entered promiscuous mode [ 79.916044][ T8603] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.050551][ T8603] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.150580][ T8603] device bridge_slave_1 entered promiscuous mode [ 80.533678][ T8603] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 80.888520][ T8603] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 81.508501][ T8603] team0: Port device team_slave_0 added [ 81.753211][ T8603] team0: Port device team_slave_1 added [ 82.756697][ T8603] device hsr_slave_0 entered promiscuous mode [ 83.313910][ T8603] device hsr_slave_1 entered promiscuous mode [ 85.196902][ T8603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.722259][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.802376][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.000360][ T8603] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.313158][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.401217][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.540910][ T2991] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.548175][ T2991] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.860972][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.869304][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 87.023975][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.161046][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.168239][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.536450][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 87.594809][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 87.811817][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 87.832233][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.135080][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.172189][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 88.361673][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.491073][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 88.561864][ T8965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 88.763979][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 88.791354][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 88.913639][ T8603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.314914][ T8603] 8021q: adding VLAN 0 to HW filter on device batadv0 02:21:28 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) 02:21:29 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) 02:21:30 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) 02:21:32 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) [ 96.467501][ T9091] IPVS: ftp: loaded support on port[0] = 21 [ 96.926603][ T9094] IPVS: ftp: loaded support on port[0] = 21 [ 96.927303][ T9092] IPVS: ftp: loaded support on port[0] = 21 [ 96.946517][ T9090] IPVS: ftp: loaded support on port[0] = 21 [ 96.958622][ T9093] IPVS: ftp: loaded support on port[0] = 21 [ 97.024601][ T9091] NET: Registered protocol family 30 [ 97.029934][ T9091] Failed to register TIPC socket type [ 97.294215][ T9092] list_add double add: new=ffffffff89544ab0, prev=ffffffff89334ac0, next=ffffffff89544ab0. [ 97.820818][ T9092] ------------[ cut here ]------------ [ 97.826314][ T9092] kernel BUG at lib/list_debug.c:29! 02:21:34 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) [ 98.376597][ T9092] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 98.382710][ T9092] CPU: 0 PID: 9092 Comm: syz-executor.1 Not tainted 5.1.0+ #18 [ 98.390259][ T9092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.400325][ T9092] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 98.406217][ T9092] 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 [ 98.425906][ T9092] RSP: 0018:ffff8880778a7b88 EFLAGS: 00010282 [ 98.431991][ T9092] RAX: 0000000000000058 RBX: ffffffff89544920 RCX: 0000000000000000 [ 98.439964][ T9092] RDX: 0000000000000000 RSI: ffffffff815afbe6 RDI: ffffed100ef14f63 [ 98.447937][ T9092] RBP: ffff8880778a7ba0 R08: 0000000000000058 R09: ffffed1015d06011 [ 98.455907][ T9092] R10: ffffed1015d06010 R11: ffff8880ae830087 R12: ffffffff89544ab0 [ 98.463881][ T9092] R13: ffffffff89544ab0 R14: ffffffff89544ab0 R15: ffffffff89544a50 [ 98.471855][ T9092] FS: 00000000017d1940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 98.480915][ T9092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.487497][ T9092] CR2: 00000000014b059f CR3: 000000007789e000 CR4: 00000000001406f0 [ 98.495468][ T9092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.503533][ T9092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.511499][ T9092] Call Trace: [ 98.514793][ T9092] ? mutex_lock_nested+0x16/0x20 [ 98.519733][ T9092] proto_register+0x459/0x8e0 [ 98.524422][ T9092] ? lockdep_init_map+0x1be/0x6d0 [ 98.529454][ T9092] tipc_socket_init+0x1c/0x70 [ 98.534130][ T9092] tipc_init_net+0x32a/0x5b0 [ 98.538727][ T9092] ? tipc_exit_net+0x40/0x40 [ 98.543315][ T9092] ops_init+0xb6/0x410 [ 98.547384][ T9092] setup_net+0x2d3/0x740 [ 98.551632][ T9092] ? copy_net_ns+0x1c0/0x340 [ 98.556227][ T9092] ? ops_init+0x410/0x410 [ 98.560558][ T9092] ? kasan_check_write+0x14/0x20 [ 98.565505][ T9092] ? down_read_killable+0x51/0x220 [ 98.570620][ T9092] copy_net_ns+0x1df/0x340 [ 98.575041][ T9092] create_new_namespaces+0x400/0x7b0 [ 98.580334][ T9092] unshare_nsproxy_namespaces+0xc2/0x200 [ 98.585965][ T9092] ksys_unshare+0x440/0x980 [ 98.590467][ T9092] ? trace_hardirqs_on+0x67/0x230 [ 98.595489][ T9092] ? walk_process_tree+0x2d0/0x2d0 [ 98.600599][ T9092] ? blkcg_exit_queue+0x30/0x30 [ 98.605448][ T9092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 98.611082][ T9092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.617157][ T9092] ? do_syscall_64+0x26/0x680 [ 98.621836][ T9092] ? lockdep_hardirqs_on+0x418/0x5d0 [ 98.627122][ T9092] __x64_sys_unshare+0x31/0x40 [ 98.631887][ T9092] do_syscall_64+0x103/0x680 [ 98.636560][ T9092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.642444][ T9092] RIP: 0033:0x45b897 [ 98.646336][ T9092] 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 [ 98.666022][ T9092] RSP: 002b:00007fff8405bfa8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 98.674450][ T9092] RAX: ffffffffffffffda RBX: 000000000073c988 RCX: 000000000045b897 [ 98.682433][ T9092] RDX: 0000000000000000 RSI: 00007fff8405bf50 RDI: 0000000040000000 [ 98.690410][ T9092] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005 [ 98.698379][ T9092] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000414ab0 [ 98.706359][ T9092] R13: 0000000000414b40 R14: 0000000000000000 R15: 0000000000000000 [ 98.714342][ T9092] Modules linked in: 02:21:35 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x1}, 0x0) [ 99.721294][ T3880] kobject: 'loop0' (000000002ed17887): kobject_uevent_env [ 99.728486][ T3880] kobject: 'loop0' (000000002ed17887): fill_kobj_path: path = '/devices/virtual/block/loop0' 02:21:36 executing program 0: r0 = socket$rxrpc(0x21, 0x2, 0x2) sendto$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 100.527247][ T3880] kobject: 'loop0' (000000002ed17887): kobject_uevent_env [ 100.680524][ T3880] kobject: 'loop0' (000000002ed17887): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 102.125643][ T3880] kobject: 'loop0' (000000002ed17887): kobject_uevent_env [ 102.200520][ T3880] kobject: 'loop0' (000000002ed17887): fill_kobj_path: path = '/devices/virtual/block/loop0'