[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 34.619105][ T24] kauditd_printk_skb: 45 callbacks suppressed [ 34.619112][ T24] audit: type=1400 audit(1569798920.439:66): avc: denied { map } for pid=6820 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 '10.128.0.87' (ECDSA) to the list of known hosts. [ 40.577722][ T24] audit: type=1400 audit(1569798926.399:67): avc: denied { map } for pid=6834 comm="syz-executor761" path="/root/syz-executor761839601" dev="sda1" ino=16502 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 47.352818][ T6835] IPVS: ftp: loaded support on port[0] = 21 [ 47.371895][ T6835] chnl_net:caif_netlink_parms(): no params data found [ 47.383391][ T6835] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.390519][ T6835] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.397748][ T6835] device bridge_slave_0 entered promiscuous mode [ 47.404510][ T6835] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.412663][ T6835] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.419968][ T6835] device bridge_slave_1 entered promiscuous mode [ 47.428928][ T6835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.438480][ T6835] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.449952][ T6835] team0: Port device team_slave_0 added [ 47.455985][ T6835] team0: Port device team_slave_1 added [ 47.500667][ T6835] device hsr_slave_0 entered promiscuous mode [ 47.550222][ T6835] device hsr_slave_1 entered promiscuous mode [ 47.601997][ T6835] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.609134][ T6835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.616459][ T6835] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.623490][ T6835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.636437][ T6835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.644260][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.651907][ T3041] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.659286][ T3041] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.666779][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.675651][ T6835] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.683522][ T3533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.691892][ T3533] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.699041][ T3533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.710917][ T6835] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.721621][ T6835] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.732775][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.741043][ T6839] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.748095][ T6839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.755736][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.764283][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.772324][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.780315][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.788670][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 47.796053][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.806244][ T6835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.821630][ T24] audit: type=1400 audit(1569798933.649:68): avc: denied { create } for pid=6835 comm="syz-executor761" 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 [ 47.822244][ T6835] netlink: 'syz-executor761': attribute type 2 has an invalid length. [ 47.847134][ T24] audit: type=1400 audit(1569798933.649:69): avc: denied { write } for pid=6835 comm="syz-executor761" 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 [ 49.100555][ T53] device bridge_slave_1 left promiscuous mode [ 49.106819][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.160393][ T53] device bridge_slave_0 left promiscuous mode [ 49.166531][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.360232][ T53] device hsr_slave_0 left promiscuous mode [ 49.410170][ T53] device hsr_slave_1 left promiscuous mode [ 49.471501][ T53] team0 (unregistering): Port device team_slave_1 removed [ 49.479356][ T53] team0 (unregistering): Port device team_slave_0 removed [ 49.487510][ T53] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.530887][ T53] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.583976][ T53] bond0 (unregistering): Released all slaves [ 53.789635][ T6834] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811b131a00 (size 128): comm "syz-executor761", pid 6835, jiffies 4294942058 (age 7.920s) hex dump (first 32 bytes): 00 c0 f0 15 81 88 ff ff 00 13 13 1b 81 88 ff ff ................ 80 ab b1 1c 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e2edafa3>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000fd877080>] ovs_vport_alloc+0x37/0xf0 [<000000005ec7eba7>] internal_dev_create+0x24/0x1d0 [<00000000834265d1>] ovs_vport_add+0x81/0x190 [<0000000018c84001>] new_vport+0x19/0x80 [<00000000f3e889c7>] ovs_dp_cmd_new+0x290/0x410 [<0000000069e072ef>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000bf8fca25>] genl_rcv_msg+0x54/0xa0 [<000000006c1f9229>] netlink_rcv_skb+0x61/0x170 [<00000000bcaf7491>] genl_rcv+0x29/0x40 [<00000000e7aa1486>] netlink_unicast+0x1ec/0x2d0 [<0000000022d92557>] netlink_sendmsg+0x270/0x480 [<00000000a504b37b>] sock_sendmsg+0x54/0x70 [<000000006032baa7>] ___sys_sendmsg+0x393/0x3c0 [<00000000723ac045>] __sys_sendmsg+0x80/0xf0 [<00000000a6a2cf28>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff88811cb1ab80 (size 64): comm "syz-executor761", pid 6835, jiffies 4294942058 (age 7.920s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00 ................ 48 ab b1 1c 81 88 ff ff 02 00 00 00 05 35 82 c1 H............5.. backtrace: [<0000000012924589>] __kmalloc+0x169/0x300 [<00000000346093e7>] ovs_vport_set_upcall_portids+0x54/0xd0 [<00000000899c1793>] ovs_vport_alloc+0x7f/0xf0 [<000000005ec7eba7>] internal_dev_create+0x24/0x1d0 [<00000000834265d1>] ovs_vport_add+0x81/0x190 [<0000000018c84001>] new_vport+0x19/0x80 [<00000000f3e889c7>] ovs_dp_cmd_new+0x290/0x410 [<0000000069e072ef>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000bf8fca25>] genl_rcv_msg+0x54/0xa0 [<000000006c1f9229>] netlink_rcv_skb+0x61/0x170 [<00000000bcaf7491>] genl_rcv+0x29/0x40 [<00000000e7aa1486>] netlink_unicast+0x1ec/0x2d0 [<0000000022d92557>] netlink_sendmsg+0x270/0x480 [<00000000a504b37b>] sock_sendmsg+0x54/0x70 [<000000006032baa7>] ___sys_sendmsg+0x393/0x3c0 [<00000000723ac045>] __sys_sendmsg+0x80/0xf0