[ 24.974216][ T25] audit: type=1800 audit(1570564342.301:45): pid=6741 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 25.057794][ T25] audit: type=1804 audit(1570564342.401:46): 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 [ 25.080502][ T25] audit: type=1804 audit(1570564342.441:47): pid=6907 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 [ 25.101873][ T25] audit: type=1804 audit(1570564342.441:48): pid=6906 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 [ 25.122755][ T25] audit: type=1804 audit(1570564342.441:49): pid=6905 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 [ 25.122770][ T25] audit: type=1804 audit(1570564342.441:50): pid=6905 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 Warning: Permanently added '10.128.0.244' (ECDSA) to the list of known hosts. syzkaller login: [ 43.773872][ T25] kauditd_printk_skb: 14 callbacks suppressed [ 43.773881][ T25] audit: type=1400 audit(1570564361.121:65): avc: denied { map } for pid=6927 comm="syz-executor188" path="/root/syz-executor188707610" dev="sda1" ino=16240 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program [ 51.127595][ T25] audit: type=1400 audit(1570564368.471:66): avc: denied { create } for pid=6928 comm="syz-executor188" 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 [ 51.128354][ T6928] netlink: 'syz-executor188': attribute type 2 has an invalid length. [ 51.153355][ T25] audit: type=1400 audit(1570564368.471:67): avc: denied { write } for pid=6928 comm="syz-executor188" 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 executing program [ 56.353874][ T6929] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 62.371686][ T6930] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 68.601590][ T6931] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 74.134393][ T6932] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 79.378555][ T6933] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 85.391690][ T6934] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 91.660077][ T6935] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 97.180567][ T6936] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 102.442095][ T6937] netlink: 'syz-executor188': attribute type 2 has an invalid length. executing program [ 108.479249][ T6938] netlink: 'syz-executor188': attribute type 2 has an invalid length. [ 109.490976][ T6927] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811c659300 (size 128): comm "syz-executor188", pid 6937, jiffies 4294947503 (age 13.330s) hex dump (first 32 bytes): 00 40 9e 20 81 88 ff ff 80 93 65 1c 81 88 ff ff .@. ......e..... c0 ad 49 1f 81 88 ff ff 00 00 00 00 00 00 00 00 ..I............. backtrace: [<00000000e9a3c628>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000c15871fd>] ovs_vport_alloc+0x37/0xf0 [<00000000a656e9c8>] internal_dev_create+0x24/0x1d0 [<00000000caeaf5d6>] ovs_vport_add+0x81/0x190 [<00000000f020fdad>] new_vport+0x19/0x80 [<00000000502dcd14>] ovs_dp_cmd_new+0x290/0x410 [<00000000a900d95d>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000bcc75ebc>] genl_rcv_msg+0x54/0xa0 [<000000006626ec63>] netlink_rcv_skb+0x61/0x170 [<00000000ea748599>] genl_rcv+0x29/0x40 [<000000003d5a86ac>] netlink_unicast+0x1ec/0x2d0 [<00000000e8e4b1b7>] netlink_sendmsg+0x270/0x480 [<00000000bc76a57a>] sock_sendmsg+0x54/0x70 [<00000000233eefb7>] ___sys_sendmsg+0x393/0x3c0 [<000000008fad026f>] __sys_sendmsg+0x80/0xf0 [<0000000001620bb4>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff88811f49adc0 (size 64): comm "syz-executor188", pid 6937, jiffies 4294947503 (age 13.330s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 00 c0 16 01 00 c9 ff ff ................ 00 50 00 00 00 00 00 00 02 00 00 00 05 35 82 c1 .P...........5.. backtrace: [<000000000453eb82>] __kmalloc+0x169/0x300 [<00000000a47e8481>] ovs_vport_set_upcall_portids+0x54/0xd0 [<000000004b881664>] ovs_vport_alloc+0x7f/0xf0 [<00000000a656e9c8>] internal_dev_create+0x24/0x1d0 [<00000000caeaf5d6>] ovs_vport_add+0x81/0x190 [<00000000f020fdad>] new_vport+0x19/0x80 [<00000000502dcd14>] ovs_dp_cmd_new+0x290/0x410 [<00000000a900d95d>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000bcc75ebc>] genl_rcv_msg+0x54/0xa0 [<000000006626ec63>] netlink_rcv_skb+0x61/0x170 [<00000000ea748599>] genl_rcv+0x29/0x40 [<000000003d5a86ac>] netlink_unicast+0x1ec/0x2d0 [<00000000e8e4b1b7>] netlink_sendmsg+0x270/0x480 [<00000000bc76a57a>] sock_sendmsg+0x54/0x70 [<00000000233eefb7>] ___sys_sendmsg+0x393/0x3c0 [<000000008fad026f>] __sys_sendmsg+0x80/0xf0