[ 24.103124][ T24] audit: type=1804 audit(1570711679.218:46): 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 [ 24.124531][ T24] audit: type=1804 audit(1570711679.238:47): pid=6813 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 [ 24.146257][ T24] audit: type=1804 audit(1570711679.238:48): pid=6811 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 [ 24.146267][ T24] audit: type=1804 audit(1570711679.238:49): pid=6809 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 [ 24.146275][ T24] audit: type=1804 audit(1570711679.238:50): pid=6809 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: [ 42.630455][ T24] kauditd_printk_skb: 13 callbacks suppressed [ 42.630461][ T24] audit: type=1400 audit(1570711697.748:64): avc: denied { map } for pid=6827 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 '10.128.0.191' (ECDSA) to the list of known hosts. [ 48.489031][ T24] audit: type=1400 audit(1570711703.598:65): avc: denied { map } for pid=6839 comm="syz-executor173" path="/root/syz-executor173815393" 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 executing program [ 55.475636][ T24] audit: type=1400 audit(1570711710.588:66): avc: denied { create } for pid=6840 comm="syz-executor173" 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 [ 55.476341][ T6840] netlink: 'syz-executor173': attribute type 2 has an invalid length. [ 55.500359][ T24] audit: type=1400 audit(1570711710.588:67): avc: denied { write } for pid=6840 comm="syz-executor173" 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 [ 60.871877][ T6841] netlink: 'syz-executor173': attribute type 2 has an invalid length. executing program [ 66.283051][ T6842] netlink: 'syz-executor173': attribute type 2 has an invalid length. executing program [ 72.162191][ T6843] netlink: 'syz-executor173': attribute type 2 has an invalid length. [ 78.236638][ T6839] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881205e7780 (size 128): comm "syz-executor173", pid 6840, jiffies 4294942816 (age 24.870s) hex dump (first 32 bytes): 00 50 64 1c 81 88 ff ff 00 77 5e 20 81 88 ff ff .Pd......w^ .... 00 a5 87 19 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000882480f7>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000eb6677be>] ovs_vport_alloc+0x37/0xf0 [<000000005307477a>] internal_dev_create+0x24/0x1d0 [<00000000a015b658>] ovs_vport_add+0x81/0x190 [<0000000031c99424>] new_vport+0x19/0x80 [<000000000f02c3ef>] ovs_dp_cmd_new+0x290/0x410 [<000000006476acc3>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000649b93fa>] genl_rcv_msg+0x54/0xa0 [<00000000b106dc7b>] netlink_rcv_skb+0x61/0x170 [<00000000ef087427>] genl_rcv+0x29/0x40 [<00000000c5fa77b1>] netlink_unicast+0x1ec/0x2d0 [<00000000fcd52833>] netlink_sendmsg+0x270/0x480 [<0000000053ceea2c>] sock_sendmsg+0x54/0x70 [<00000000fd8837fe>] ___sys_sendmsg+0x393/0x3c0 [<0000000021a13c1a>] __sys_sendmsg+0x80/0xf0 [<0000000080b5f4ce>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff88811987a500 (size 64): comm "syz-executor173", pid 6840, jiffies 4294942816 (age 24.870s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 02 00 00 00 05 35 82 c1 .............5.. backtrace: [<00000000f853ba77>] __kmalloc+0x169/0x300 [<000000002f3074ee>] ovs_vport_set_upcall_portids+0x54/0xd0 [<000000009599b9b0>] ovs_vport_alloc+0x7f/0xf0 [<000000005307477a>] internal_dev_create+0x24/0x1d0 [<00000000a015b658>] ovs_vport_add+0x81/0x190 [<0000000031c99424>] new_vport+0x19/0x80 [<000000000f02c3ef>] ovs_dp_cmd_new+0x290/0x410 [<000000006476acc3>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000649b93fa>] genl_rcv_msg+0x54/0xa0 [<00000000b106dc7b>] netlink_rcv_skb+0x61/0x170 [<00000000ef087427>] genl_rcv+0x29/0x40 [<00000000c5fa77b1>] netlink_unicast+0x1ec/0x2d0 [<00000000fcd52833>] netlink_sendmsg+0x270/0x480 [<0000000053ceea2c>] sock_sendmsg+0x54/0x70 [<00000000fd8837fe>] ___sys_sendmsg+0x393/0x3c0 [<0000000021a13c1a>] __sys_sendmsg+0x80/0xf0