[ 27.053971][ T24] audit: type=1800 audit(1562777744.315:30): pid=6943 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.777924][ T24] kauditd_printk_skb: 4 callbacks suppressed [ 33.777932][ T24] audit: type=1400 audit(1562777751.065:35): avc: denied { map } for pid=7122 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 '10.128.0.24' (ECDSA) to the list of known hosts. [ 39.756026][ T24] audit: type=1400 audit(1562777757.045:36): avc: denied { map } for pid=7136 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/07/10 16:55:58 parsed 1 programs [ 40.849098][ T24] audit: type=1400 audit(1562777758.135:37): avc: denied { map } for pid=7136 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16154 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 40.851441][ T3783] kmemleak: Automatic memory scanning thread ended 2019/07/10 16:56:07 executed programs: 0 [ 49.820018][ T7152] IPVS: ftp: loaded support on port[0] = 21 [ 49.839796][ T7152] chnl_net:caif_netlink_parms(): no params data found [ 49.851768][ T7152] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.859255][ T7152] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.866651][ T7152] device bridge_slave_0 entered promiscuous mode [ 49.873511][ T7152] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.880890][ T7152] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.888675][ T7152] device bridge_slave_1 entered promiscuous mode [ 49.897920][ T7152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.906882][ T7152] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.917669][ T7152] team0: Port device team_slave_0 added [ 49.923787][ T7152] team0: Port device team_slave_1 added [ 49.964513][ T7152] device hsr_slave_0 entered promiscuous mode [ 50.003751][ T7152] device hsr_slave_1 entered promiscuous mode [ 50.046325][ T7152] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.055244][ T7152] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.062544][ T7152] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.069779][ T7152] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.085008][ T7152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.093246][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.101511][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.110106][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.117880][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.127036][ T7152] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.136570][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.145078][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.152388][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.164043][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.173050][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.180265][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.188256][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.196838][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.206528][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.217050][ T7152] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.228087][ T7152] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.239141][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.247659][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.255781][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.267681][ T7152] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.285319][ T24] audit: type=1400 audit(1562777767.575:38): avc: denied { associate } for pid=7152 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 [ 51.733937][ T20] device bridge_slave_1 left promiscuous mode [ 51.740077][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.793975][ T20] device bridge_slave_0 left promiscuous mode [ 51.800231][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.004541][ T20] device hsr_slave_1 left promiscuous mode [ 52.044306][ T20] device hsr_slave_0 left promiscuous mode [ 52.084433][ T20] team0 (unregistering): Port device team_slave_1 removed [ 52.092353][ T20] team0 (unregistering): Port device team_slave_0 removed [ 52.100239][ T20] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 52.124682][ T20] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 52.167577][ T20] bond0 (unregistering): Released all slaves 2019/07/10 16:56:13 executed programs: 1 2019/07/10 16:56:13 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 [ 56.274138][ T7165] IPVS: ftp: loaded support on port[0] = 21 [ 56.295330][ T7165] chnl_net:caif_netlink_parms(): no params data found [ 56.308089][ T7165] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.315536][ T7165] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.322957][ T7165] device bridge_slave_0 entered promiscuous mode [ 56.330608][ T7165] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.337783][ T7165] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.345303][ T7165] device bridge_slave_1 entered promiscuous mode [ 56.355228][ T7165] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.364145][ T7165] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.379211][ T7165] team0: Port device team_slave_0 added [ 56.385470][ T7165] team0: Port device team_slave_1 added [ 56.474313][ T7165] device hsr_slave_0 entered promiscuous mode [ 56.523783][ T7165] device hsr_slave_1 entered promiscuous mode [ 56.565859][ T7165] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.572985][ T7165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.580707][ T7165] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.587934][ T7165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.603579][ T7165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.611914][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.619784][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.629893][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.637829][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.647570][ T7165] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.655521][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.665994][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.673129][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.683836][ T3536] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.692686][ T3536] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.700134][ T3536] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.711005][ T7165] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.722661][ T7165] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.734128][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.742584][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.750881][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.759239][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.767437][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.775004][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.785117][ T7165] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.782848][ T7172] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 58.044168][ T20] device bridge_slave_1 left promiscuous mode [ 58.051404][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.093896][ T20] device bridge_slave_0 left promiscuous mode [ 58.100425][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.274117][ T20] device hsr_slave_1 left promiscuous mode [ 58.344312][ T20] device hsr_slave_0 left promiscuous mode [ 58.394634][ T20] team0 (unregistering): Port device team_slave_1 removed [ 58.402480][ T20] team0 (unregistering): Port device team_slave_0 removed [ 58.410397][ T20] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 58.474637][ T20] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 58.517956][ T20] bond0 (unregistering): Released all slaves [ 64.711751][ T7172] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810ff35840 (size 64): comm "softirq", pid 0, jiffies 4294942258 (age 14.920s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 2c e0 15 81 88 ff ff .........,...... 00 00 00 00 00 00 00 00 00 81 16 83 ff ff ff ff ................ backtrace: [<00000000b90e4af6>] kmem_cache_alloc_trace+0x13d/0x280 [<0000000076e12c48>] batadv_tvlv_handler_register+0xa3/0x170 [<0000000048075f1b>] batadv_tt_init+0x78/0x180 [<00000000b55469b8>] batadv_mesh_init+0x196/0x230 [<00000000fc3d11c3>] batadv_softif_init_late+0x1ca/0x220 [<000000002145d0bb>] register_netdevice+0xbf/0x600 [<00000000dddce5ff>] __rtnl_newlink+0xaca/0xb30 [<00000000ed4869f3>] rtnl_newlink+0x4e/0x80 [<000000001e1b18e7>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000008d19a4ff>] netlink_rcv_skb+0x61/0x170 [<000000001bf9bbd9>] rtnetlink_rcv+0x1d/0x30 [<000000003fdeae9f>] netlink_unicast+0x1ec/0x2d0 [<0000000095080da0>] netlink_sendmsg+0x26a/0x480 [<00000000efd33f85>] sock_sendmsg+0x54/0x70 [<0000000002030a5d>] __sys_sendto+0x148/0x1f0 [<000000007d23e09f>] __x64_sys_sendto+0x2a/0x30 BUG: memory leak unreferenced object 0xffff888121302480 (size 128): comm "syz-executor.0", pid 7152, jiffies 4294942266 (age 14.840s) hex dump (first 32 bytes): f0 e8 d5 28 81 88 ff ff f0 e8 d5 28 81 88 ff ff ...(.......(.... 4e cc cb 34 0c 2a d2 89 32 92 4d 3e e7 f8 48 29 N..4.*..2.M>..H) backtrace: [<00000000b90e4af6>] kmem_cache_alloc_trace+0x13d/0x280 [<000000006bfba4d1>] hsr_create_self_node+0x42/0x150 [<000000005ce5a0fb>] hsr_dev_finalize+0xa4/0x233 [<00000000d006543a>] hsr_newlink+0xf3/0x140 [<0000000040838bf7>] __rtnl_newlink+0x892/0xb30 [<00000000ed4869f3>] rtnl_newlink+0x4e/0x80 [<000000001e1b18e7>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000008d19a4ff>] netlink_rcv_skb+0x61/0x170 [<000000001bf9bbd9>] rtnetlink_rcv+0x1d/0x30 [<000000003fdeae9f>] netlink_unicast+0x1ec/0x2d0 [<0000000095080da0>] netlink_sendmsg+0x26a/0x480 [<00000000efd33f85>] sock_sendmsg+0x54/0x70 [<0000000002030a5d>] __sys_sendto+0x148/0x1f0 [<000000007d23e09f>] __x64_sys_sendto+0x2a/0x30 [<00000000c0d3b48b>] do_syscall_64+0x76/0x1a0 [<000000000a073f5c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115064700 (size 64): comm "syz-executor.0", pid 7152, jiffies 4294942266 (age 14.840s) hex dump (first 32 bytes): 00 17 c3 15 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 e0 d5 28 81 88 ff ff c0 e8 d5 28 81 88 ff ff ...(.......(.... backtrace: [<00000000b90e4af6>] kmem_cache_alloc_trace+0x13d/0x280 [<0000000053ebb70e>] hsr_add_port+0xe7/0x220 [<000000006e88e7de>] hsr_dev_finalize+0x14f/0x233 [<00000000d006543a>] hsr_newlink+0xf3/0x140 [<0000000040838bf7>] __rtnl_newlink+0x892/0xb30 [<00000000ed4869f3>] rtnl_newlink+0x4e/0x80 [<000000001e1b18e7>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000008d19a4ff>] netlink_rcv_skb+0x61/0x170 [<000000001bf9bbd9>] rtnetlink_rcv+0x1d/0x30 [<000000003fdeae9f>] netlink_unicast+0x1ec/0x2d0 [<0000000095080da0>] netlink_sendmsg+0x26a/0x480 [<00000000efd33f85>] sock_sendmsg+0x54/0x70 [<0000000002030a5d>] __sys_sendto+0x148/0x1f0 [<000000007d23e09f>] __x64_sys_sendto+0x2a/0x30 [<00000000c0d3b48b>] do_syscall_64+0x76/0x1a0 [<000000000a073f5c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9