[ 25.161064][ T25] audit: type=1800 audit(1572574597.216:36): pid=6789 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 25.713034][ T25] audit: type=1400 audit(1572574597.846:37): avc: denied { watch } for pid=6876 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] 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 Warning: Permanently added '10.128.0.127' (ECDSA) to the list of known hosts. syzkaller login: [ 43.963713][ T25] kauditd_printk_skb: 4 callbacks suppressed [ 43.963720][ T25] audit: type=1400 audit(1572574616.096:42): avc: denied { map } for pid=6983 comm="syz-executor282" path="/root/syz-executor282991747" 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 [ 49.336569][ T25] audit: type=1400 audit(1572574621.466:43): avc: denied { map } for pid=6985 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 50.994024][ T6987] IPVS: ftp: loaded support on port[0] = 21 [ 51.015090][ T6987] chnl_net:caif_netlink_parms(): no params data found [ 51.027068][ T6987] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.034466][ T6987] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.042119][ T6987] device bridge_slave_0 entered promiscuous mode [ 51.049095][ T6987] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.056603][ T6987] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.064433][ T6987] device bridge_slave_1 entered promiscuous mode [ 51.074049][ T6987] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.084223][ T6987] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.096192][ T6987] team0: Port device team_slave_0 added [ 51.102300][ T6987] team0: Port device team_slave_1 added [ 51.151680][ T6987] device hsr_slave_0 entered promiscuous mode [ 51.211248][ T6987] device hsr_slave_1 entered promiscuous mode [ 51.288340][ T6987] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.295960][ T6987] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.303398][ T6987] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.311718][ T6987] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.353841][ T6987] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.363063][ T6989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.382449][ T6989] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.402612][ T6989] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.421969][ T6989] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.452267][ T6987] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.481798][ T6989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.490438][ T6989] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.497580][ T6989] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.539302][ T6989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.551394][ T6989] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.558446][ T6989] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.576120][ T6987] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.587047][ T6987] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.598346][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.606898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.615523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.623919][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 51.634605][ T6987] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.641734][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.649419][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.660825][ T25] audit: type=1400 audit(1572574623.786:44): avc: denied { create } for pid=6987 comm="syz-executor282" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 51.661442][ T6987] netlink: 'syz-executor282': attribute type 2 has an invalid length. [ 51.686464][ T25] audit: type=1400 audit(1572574623.796:45): avc: denied { write } for pid=6987 comm="syz-executor282" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 53.291225][ T22] device bridge_slave_1 left promiscuous mode [ 53.297880][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.361107][ T22] device bridge_slave_0 left promiscuous mode [ 53.367372][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.581352][ T22] device hsr_slave_0 left promiscuous mode [ 53.630977][ T22] device hsr_slave_1 left promiscuous mode [ 53.672447][ T22] team0 (unregistering): Port device team_slave_1 removed [ 53.680306][ T22] team0 (unregistering): Port device team_slave_0 removed [ 53.688160][ T22] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 53.722532][ T22] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.785343][ T22] bond0 (unregistering): Released all slaves [ 57.735863][ T6983] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888120f2cb00 (size 128): comm "syz-executor282", pid 6987, jiffies 4294942439 (age 8.010s) hex dump (first 32 bytes): 00 70 d0 1c 81 88 ff ff 80 ca f2 20 81 88 ff ff .p......... .... 80 00 8e 13 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<000000001b64cc43>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000016fbc9fb>] ovs_vport_alloc+0x37/0xf0 [<00000000eb46d21c>] internal_dev_create+0x24/0x1d0 [<00000000b406424b>] ovs_vport_add+0x81/0x190 [<000000000ac85c81>] new_vport+0x19/0x80 [<00000000a3a2d403>] ovs_dp_cmd_new+0x290/0x410 [<000000003cbdd4eb>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000cf076bf6>] genl_rcv_msg+0x54/0xa0 [<00000000b51fdf7d>] netlink_rcv_skb+0x61/0x170 [<0000000029a5cf3d>] genl_rcv+0x29/0x40 [<000000003bea255f>] netlink_unicast+0x1ec/0x2d0 [<00000000ad7bd760>] netlink_sendmsg+0x270/0x480 [<0000000059bd64c3>] sock_sendmsg+0x54/0x70 [<0000000041d1979c>] ___sys_sendmsg+0x393/0x3c0 [<000000007dfd17b4>] __sys_sendmsg+0x80/0xf0 [<000000007bec23fc>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff8881138e0080 (size 64): comm "syz-executor282", pid 6987, jiffies 4294942439 (age 8.010s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00 ................ 48 01 8e 13 81 88 ff ff 02 00 00 00 05 35 82 c1 H............5.. backtrace: [<00000000bd030ecd>] __kmalloc+0x169/0x300 [<0000000063298f36>] ovs_vport_set_upcall_portids+0x54/0xd0 [<0000000011a526e0>] ovs_vport_alloc+0x7f/0xf0 [<00000000eb46d21c>] internal_dev_create+0x24/0x1d0 [<00000000b406424b>] ovs_vport_add+0x81/0x190 [<000000000ac85c81>] new_vport+0x19/0x80 [<00000000a3a2d403>] ovs_dp_cmd_new+0x290/0x410 [<000000003cbdd4eb>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000cf076bf6>] genl_rcv_msg+0x54/0xa0 [<00000000b51fdf7d>] netlink_rcv_skb+0x61/0x170 [<0000000029a5cf3d>] genl_rcv+0x29/0x40 [<000000003bea255f>] netlink_unicast+0x1ec/0x2d0 [<00000000ad7bd760>] netlink_sendmsg+0x270/0x480 [<0000000059bd64c3>] sock_sendmsg+0x54/0x70 [<0000000041d1979c>] ___sys_sendmsg+0x393/0x3c0 [<000000007dfd17b4>] __sys_sendmsg+0x80/0xf0