[ 28.525578][ T24] audit: type=1800 audit(1562843831.758:30): pid=6934 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.774965][ T24] kauditd_printk_skb: 4 callbacks suppressed [ 33.774972][ T24] audit: type=1400 audit(1562843837.028:35): avc: denied { map } for pid=7113 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. [ 47.236337][ T24] audit: type=1400 audit(1562843850.498:36): avc: denied { map } for pid=7127 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=2339 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/07/11 11:17:31 parsed 1 programs [ 48.277531][ T24] audit: type=1400 audit(1562843851.538:37): avc: denied { map } for pid=7127 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=84 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 48.279964][ T3783] kmemleak: Automatic memory scanning thread ended 2019/07/11 11:17:40 executed programs: 0 [ 57.274747][ T7142] IPVS: ftp: loaded support on port[0] = 21 [ 57.295219][ T7142] chnl_net:caif_netlink_parms(): no params data found [ 57.307751][ T7142] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.315024][ T7142] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.322341][ T7142] device bridge_slave_0 entered promiscuous mode [ 57.329351][ T7142] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.336546][ T7142] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.343840][ T7142] device bridge_slave_1 entered promiscuous mode [ 57.353345][ T7142] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.362140][ T7142] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.373223][ T7142] team0: Port device team_slave_0 added [ 57.386107][ T7142] team0: Port device team_slave_1 added [ 57.415871][ T7142] device hsr_slave_0 entered promiscuous mode [ 57.465067][ T7142] device hsr_slave_1 entered promiscuous mode [ 57.517268][ T7142] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.524338][ T7142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.531627][ T7142] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.538665][ T7142] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.554078][ T7142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.562599][ T7144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.570568][ T7144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.578294][ T7144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.586417][ T7144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.595908][ T7142] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.605240][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.613453][ T3534] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.620600][ T3534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.628045][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.636749][ T3534] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.643820][ T3534] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.655173][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.663354][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.671624][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.679679][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.688274][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.696920][ T7142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.707414][ T7142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.723917][ T24] audit: type=1400 audit(1562843860.978:38): avc: denied { associate } for pid=7142 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 58.925499][ T590] device bridge_slave_1 left promiscuous mode [ 58.931885][ T590] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.975228][ T590] device bridge_slave_0 left promiscuous mode [ 58.981358][ T590] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.175706][ T590] device hsr_slave_1 left promiscuous mode [ 59.236014][ T590] device hsr_slave_0 left promiscuous mode [ 59.285901][ T590] team0 (unregistering): Port device team_slave_1 removed [ 59.303498][ T590] team0 (unregistering): Port device team_slave_0 removed [ 59.311484][ T590] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 59.365986][ T590] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 59.450549][ T590] bond0 (unregistering): Released all slaves 2019/07/11 11:17:46 executed programs: 1 2019/07/11 11:17:46 result: hanged=false err=executor 0: failed to write control pipe: write |1: broken pipe umount(./0/file0) failed (errno 22) loop exited with status 0 [ 63.133871][ T7156] IPVS: ftp: loaded support on port[0] = 21 [ 63.154138][ T7156] chnl_net:caif_netlink_parms(): no params data found [ 63.166492][ T7156] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.173545][ T7156] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.181606][ T7156] device bridge_slave_0 entered promiscuous mode [ 63.188431][ T7156] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.195488][ T7156] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.203415][ T7156] device bridge_slave_1 entered promiscuous mode [ 63.212902][ T7156] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.221748][ T7156] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.232857][ T7156] team0: Port device team_slave_0 added [ 63.238877][ T7156] team0: Port device team_slave_1 added [ 63.286084][ T7156] device hsr_slave_0 entered promiscuous mode [ 63.345147][ T7156] device hsr_slave_1 entered promiscuous mode [ 63.417347][ T7156] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.424532][ T7156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.431850][ T7156] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.438983][ T7156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.455118][ T7156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.463795][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.471911][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.480025][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.487431][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.496153][ T7156] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.505000][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.513150][ T7145] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.520200][ T7145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.528857][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.537371][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.544401][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.554550][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.562943][ T7145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.573313][ T7156] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.584080][ T7156] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.595242][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.603361][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.611782][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.620039][ T3534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.630243][ T7156] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.719253][ T7164] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 65.015408][ T222] device bridge_slave_1 left promiscuous mode [ 65.021548][ T222] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.065392][ T222] device bridge_slave_0 left promiscuous mode [ 65.071652][ T222] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.255495][ T222] device hsr_slave_1 left promiscuous mode [ 65.295751][ T222] device hsr_slave_0 left promiscuous mode [ 65.335934][ T222] team0 (unregistering): Port device team_slave_1 removed [ 65.343913][ T222] team0 (unregistering): Port device team_slave_0 removed [ 65.351946][ T222] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 65.395849][ T222] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 65.419494][ T222] bond0 (unregistering): Released all slaves [ 70.932613][ T7164] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810e3a4d00 (size 64): comm "softirq", pid 0, jiffies 4294942993 (age 13.700s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 ec d6 21 81 88 ff ff ...........!.... 00 00 00 00 00 00 00 00 50 a1 16 83 ff ff ff ff ........P....... backtrace: [<0000000090bcc1cc>] kmem_cache_alloc_trace+0x13d/0x280 [<0000000021fbda36>] batadv_tvlv_handler_register+0xa3/0x170 [<00000000964559f9>] batadv_tt_init+0x78/0x180 [<000000004246189e>] batadv_mesh_init+0x196/0x230 [<000000002d68efcc>] batadv_softif_init_late+0x1ca/0x220 [<00000000a7d2a25b>] register_netdevice+0xbf/0x600 [<00000000acfb93ac>] __rtnl_newlink+0xaca/0xb30 [<0000000042aaa43c>] rtnl_newlink+0x4e/0x80 [<00000000940d93e4>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000431bea4f>] netlink_rcv_skb+0x61/0x170 [<000000002b63c43d>] rtnetlink_rcv+0x1d/0x30 [<00000000586a031e>] netlink_unicast+0x1ec/0x2d0 [<00000000caf66b27>] netlink_sendmsg+0x26a/0x480 [<0000000089d9cd5f>] sock_sendmsg+0x54/0x70 [<00000000a19d0935>] __sys_sendto+0x148/0x1f0 [<0000000076e46a74>] __x64_sys_sendto+0x2a/0x30 BUG: memory leak unreferenced object 0xffff888128d1d580 (size 128): comm "syz-executor.0", pid 7142, jiffies 4294943002 (age 13.610s) hex dump (first 32 bytes): f0 08 19 14 81 88 ff ff f0 08 19 14 81 88 ff ff ................ 82 c9 54 aa 0c f7 ea 41 f0 69 bc ea 00 00 00 00 ..T....A.i...... backtrace: [<0000000090bcc1cc>] kmem_cache_alloc_trace+0x13d/0x280 [<00000000a977104f>] hsr_create_self_node+0x42/0x150 [<000000002f86fcf5>] hsr_dev_finalize+0xa4/0x233 [<00000000ec02d55b>] hsr_newlink+0xf3/0x140 [<00000000831c5987>] __rtnl_newlink+0x892/0xb30 [<0000000042aaa43c>] rtnl_newlink+0x4e/0x80 [<00000000940d93e4>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000431bea4f>] netlink_rcv_skb+0x61/0x170 [<000000002b63c43d>] rtnetlink_rcv+0x1d/0x30 [<00000000586a031e>] netlink_unicast+0x1ec/0x2d0 [<00000000caf66b27>] netlink_sendmsg+0x26a/0x480 [<0000000089d9cd5f>] sock_sendmsg+0x54/0x70 [<00000000a19d0935>] __sys_sendto+0x148/0x1f0 [<0000000076e46a74>] __x64_sys_sendto+0x2a/0x30 [<0000000017ed0ef8>] do_syscall_64+0x76/0x1a0 [<000000002f5f238f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f36bb00 (size 64): comm "syz-executor.0", pid 7142, jiffies 4294943002 (age 13.610s) hex dump (first 32 bytes): 80 d8 61 21 81 88 ff ff 00 02 00 00 00 00 ad de ..a!............ 00 00 19 14 81 88 ff ff c0 08 19 14 81 88 ff ff ................ backtrace: [<0000000090bcc1cc>] kmem_cache_alloc_trace+0x13d/0x280 [<000000004869df5f>] hsr_add_port+0xe7/0x220 [<000000001d0abbb8>] hsr_dev_finalize+0x14f/0x233 [<00000000ec02d55b>] hsr_newlink+0xf3/0x140 [<00000000831c5987>] __rtnl_newlink+0x892/0xb30 [<0000000042aaa43c>] rtnl_newlink+0x4e/0x80 [<00000000940d93e4>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000431bea4f>] netlink_rcv_skb+0x61/0x170 [<000000002b63c43d>] rtnetlink_rcv+0x1d/0x30 [<00000000586a031e>] netlink_unicast+0x1ec/0x2d0 [<00000000caf66b27>] netlink_sendmsg+0x26a/0x480 [<0000000089d9cd5f>] sock_sendmsg+0x54/0x70 [<00000000a19d0935>] __sys_sendto+0x148/0x1f0 [<0000000076e46a74>] __x64_sys_sendto+0x2a/0x30 [<0000000017ed0ef8>] do_syscall_64+0x76/0x1a0 [<000000002f5f238f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9