[ 24.928467][ T25] audit: type=1804 audit(1570334732.187:46): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.949686][ T25] audit: type=1804 audit(1570334732.207:47): pid=6914 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.970086][ T25] audit: type=1804 audit(1570334732.207:48): pid=6916 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.970095][ T25] audit: type=1804 audit(1570334732.207:49): pid=6912 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 25.011052][ T25] audit: type=1804 audit(1570334732.207:50): pid=6912 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.092993][ T25] kauditd_printk_skb: 13 callbacks suppressed [ 43.093000][ T25] audit: type=1400 audit(1570334750.347:64): avc: denied { map } for pid=6932 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 '10.128.0.28' (ECDSA) to the list of known hosts. [ 48.955542][ T25] audit: type=1400 audit(1570334756.207:65): avc: denied { map } for pid=6944 comm="syz-executor225" path="/root/syz-executor225296428" dev="sda1" ino=16504 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 55.783941][ T6945] IPVS: ftp: loaded support on port[0] = 21 [ 55.803010][ T6945] chnl_net:caif_netlink_parms(): no params data found [ 55.814120][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.821289][ T6945] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.828484][ T6945] device bridge_slave_0 entered promiscuous mode [ 55.835153][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.842611][ T6945] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.849917][ T6945] device bridge_slave_1 entered promiscuous mode [ 55.858617][ T6945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.868063][ T6945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.879312][ T6945] team0: Port device team_slave_0 added [ 55.885106][ T6945] team0: Port device team_slave_1 added [ 55.909700][ T6945] device hsr_slave_0 entered promiscuous mode [ 55.949036][ T6945] device hsr_slave_1 entered promiscuous mode [ 56.040992][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.048059][ T6945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.055321][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.062329][ T6945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.075766][ T6945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.083629][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.101365][ T16] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.108692][ T16] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.116626][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.124833][ T6945] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.132492][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.140693][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.147687][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.160271][ T6945] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.170643][ T6945] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.181537][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.189884][ T16] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.196899][ T16] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.204392][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.212758][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.220802][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.228722][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.236642][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.243923][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 56.253469][ T6945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.268607][ T25] audit: type=1400 audit(1570334763.517:66): avc: denied { create } for pid=6945 comm="syz-executor225" 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 [ 56.269283][ T6945] netlink: 'syz-executor225': attribute type 2 has an invalid length. [ 56.294021][ T25] audit: type=1400 audit(1570334763.527:67): avc: denied { write } for pid=6945 comm="syz-executor225" 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 [ 57.769209][ T1090] device bridge_slave_1 left promiscuous mode [ 57.775320][ T1090] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.829200][ T1090] device bridge_slave_0 left promiscuous mode [ 57.835454][ T1090] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.049336][ T1090] device hsr_slave_0 left promiscuous mode [ 58.089001][ T1090] device hsr_slave_1 left promiscuous mode [ 58.130217][ T1090] team0 (unregistering): Port device team_slave_1 removed [ 58.137953][ T1090] team0 (unregistering): Port device team_slave_0 removed [ 58.145692][ T1090] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.179643][ T1090] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.222637][ T1090] bond0 (unregistering): Released all slaves [ 62.141071][ T6944] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881294e7500 (size 128): comm "syz-executor225", pid 6945, jiffies 4294942892 (age 7.800s) hex dump (first 32 bytes): 00 30 20 12 81 88 ff ff 80 74 4e 29 81 88 ff ff .0 ......tN).... c0 77 f3 24 81 88 ff ff 00 00 00 00 00 00 00 00 .w.$............ backtrace: [<000000009d9b6970>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000052f99d2d>] ovs_vport_alloc+0x37/0xf0 [<00000000f14a8f86>] internal_dev_create+0x24/0x1d0 [<0000000065036f9a>] ovs_vport_add+0x81/0x190 [<00000000999b72d0>] new_vport+0x19/0x80 [<000000005ad0006a>] ovs_dp_cmd_new+0x290/0x410 [<00000000a4734f1b>] genl_family_rcv_msg+0x2ab/0x5b0 [<0000000052d104f7>] genl_rcv_msg+0x54/0xa0 [<000000001276f9ee>] netlink_rcv_skb+0x61/0x170 [<00000000de94028b>] genl_rcv+0x29/0x40 [<0000000031297651>] netlink_unicast+0x1ec/0x2d0 [<000000002171c446>] netlink_sendmsg+0x270/0x480 [<00000000184ddc32>] sock_sendmsg+0x54/0x70 [<00000000ad4039c5>] ___sys_sendmsg+0x393/0x3c0 [<000000007c372c9e>] __sys_sendmsg+0x80/0xf0 [<0000000024a1830e>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff888124f377c0 (size 64): comm "syz-executor225", pid 6945, jiffies 4294942892 (age 7.800s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00 ................ 88 77 f3 24 81 88 ff ff 02 00 00 00 05 35 82 c1 .w.$.........5.. backtrace: [<00000000e3b4555a>] __kmalloc+0x169/0x300 [<000000009801e8c0>] ovs_vport_set_upcall_portids+0x54/0xd0 [<00000000c979ab6f>] ovs_vport_alloc+0x7f/0xf0 [<00000000f14a8f86>] internal_dev_create+0x24/0x1d0 [<0000000065036f9a>] ovs_vport_add+0x81/0x190 [<00000000999b72d0>] new_vport+0x19/0x80 [<000000005ad0006a>] ovs_dp_cmd_new+0x290/0x410 [<00000000a4734f1b>] genl_family_rcv_msg+0x2ab/0x5b0 [<0000000052d104f7>] genl_rcv_msg+0x54/0xa0 [<000000001276f9ee>] netlink_rcv_skb+0x61/0x170 [<00000000de94028b>] genl_rcv+0x29/0x40 [<0000000031297651>] netlink_unicast+0x1ec/0x2d0 [<000000002171c446>] netlink_sendmsg+0x270/0x480 [<00000000184ddc32>] sock_sendmsg+0x54/0x70 [<00000000ad4039c5>] ___sys_sendmsg+0x393/0x3c0 [<000000007c372c9e>] __sys_sendmsg+0x80/0xf0