[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 35.284791][ T25] kauditd_printk_skb: 38 callbacks suppressed [ 35.284799][ T25] audit: type=1400 audit(1569184051.675:55): avc: denied { map } for pid=6945 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 '10.128.0.54' (ECDSA) to the list of known hosts. [ 41.094496][ T25] audit: type=1400 audit(1569184057.485:56): avc: denied { map } for pid=6958 comm="syz-executor105" path="/root/syz-executor105139132" dev="sda1" ino=16499 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 48.015600][ T6959] IPVS: ftp: loaded support on port[0] = 21 [ 48.034543][ T6959] chnl_net:caif_netlink_parms(): no params data found [ 48.045947][ T6959] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.053180][ T6959] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.060406][ T6959] device bridge_slave_0 entered promiscuous mode [ 48.067616][ T6959] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.074763][ T6959] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.082112][ T6959] device bridge_slave_1 entered promiscuous mode [ 48.090868][ T6959] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.100448][ T6959] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.111853][ T6959] team0: Port device team_slave_0 added [ 48.117669][ T6959] team0: Port device team_slave_1 added [ 48.171509][ T6959] device hsr_slave_0 entered promiscuous mode [ 48.231016][ T6959] device hsr_slave_1 entered promiscuous mode [ 48.282838][ T6959] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.290022][ T6959] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.297262][ T6959] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.304294][ T6959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.318071][ T6959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.326280][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.334587][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.342701][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.349944][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.358150][ T6959] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.366347][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.374528][ T109] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.381539][ T109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.390065][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.398599][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.405714][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.417169][ T6959] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.427713][ T6959] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.438976][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.447253][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.455540][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.463470][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.471345][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 48.478567][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.488325][ T6959] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.503903][ T25] audit: type=1400 audit(1569184064.895:57): avc: denied { create } for pid=6959 comm="syz-executor105" 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 [ 48.504585][ T6959] netlink: 'syz-executor105': attribute type 2 has an invalid length. [ 48.529560][ T25] audit: type=1400 audit(1569184064.895:58): avc: denied { write } for pid=6959 comm="syz-executor105" 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 [ 49.711217][ T20] device bridge_slave_1 left promiscuous mode [ 49.717637][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.761148][ T20] device bridge_slave_0 left promiscuous mode [ 49.767428][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.991261][ T20] device hsr_slave_0 left promiscuous mode [ 50.030970][ T20] device hsr_slave_1 left promiscuous mode [ 50.072187][ T20] team0 (unregistering): Port device team_slave_1 removed [ 50.080050][ T20] team0 (unregistering): Port device team_slave_0 removed [ 50.087891][ T20] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.141777][ T20] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.174604][ T20] bond0 (unregistering): Released all slaves [ 54.399746][ T6958] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811acebc80 (size 128): comm "syz-executor105", pid 6959, jiffies 4294942121 (age 7.860s) hex dump (first 32 bytes): 00 50 cb 1a 81 88 ff ff 00 bb ce 1a 81 88 ff ff .P.............. 40 2f 5a 11 81 88 ff ff 00 00 00 00 00 00 00 00 @/Z............. backtrace: [<00000000598a3df5>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000caa4ac0a>] ovs_vport_alloc+0x37/0xf0 [<000000005bd554c4>] internal_dev_create+0x24/0x1d0 [<00000000e13e3bbd>] ovs_vport_add+0x81/0x190 [<0000000040cc7c71>] new_vport+0x19/0x80 [<000000001b9ca068>] ovs_dp_cmd_new+0x290/0x410 [<00000000bfbb75b3>] genl_family_rcv_msg+0x2ab/0x5b0 [<000000003bc84ff2>] genl_rcv_msg+0x54/0xa0 [<00000000eb97c775>] netlink_rcv_skb+0x61/0x170 [<00000000ffa45b5c>] genl_rcv+0x29/0x40 [<000000008b083f1e>] netlink_unicast+0x1ec/0x2d0 [<000000002fe9adba>] netlink_sendmsg+0x270/0x480 [<00000000ea9b5d9d>] sock_sendmsg+0x54/0x70 [<0000000066b61917>] ___sys_sendmsg+0x393/0x3c0 [<00000000cd425a7c>] __sys_sendmsg+0x80/0xf0 [<00000000cfa64e6d>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff8881115a2f40 (size 64): comm "syz-executor105", pid 6959, jiffies 4294942121 (age 7.860s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 22 01 00 00 00 00 ad de ........"....... 00 00 00 00 00 00 00 00 02 00 00 00 05 35 82 c1 .............5.. backtrace: [<00000000f228752c>] __kmalloc+0x169/0x300 [<000000005a46184f>] ovs_vport_set_upcall_portids+0x54/0xd0 [<00000000149f114c>] ovs_vport_alloc+0x7f/0xf0 [<000000005bd554c4>] internal_dev_create+0x24/0x1d0 [<00000000e13e3bbd>] ovs_vport_add+0x81/0x190 [<0000000040cc7c71>] new_vport+0x19/0x80 [<000000001b9ca068>] ovs_dp_cmd_new+0x290/0x410 [<00000000bfbb75b3>] genl_family_rcv_msg+0x2ab/0x5b0 [<000000003bc84ff2>] genl_rcv_msg+0x54/0xa0 [<00000000eb97c775>] netlink_rcv_skb+0x61/0x170 [<00000000ffa45b5c>] genl_rcv+0x29/0x40 [<000000008b083f1e>] netlink_unicast+0x1ec/0x2d0 [<000000002fe9adba>] netlink_sendmsg+0x270/0x480 [<00000000ea9b5d9d>] sock_sendmsg+0x54/0x70 [<0000000066b61917>] ___sys_sendmsg+0x393/0x3c0 [<00000000cd425a7c>] __sys_sendmsg+0x80/0xf0