[   25.240365][   T22] audit: type=1800 audit(1573608679.109:40): pid=6838 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

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   27.873542][   T22] audit: type=1400 audit(1573608681.769:41): avc:  denied  { map } for  pid=7015 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 '10.128.10.44' (ECDSA) to the list of known hosts.
[   33.754471][   T22] audit: type=1400 audit(1573608687.649:42): avc:  denied  { map } for  pid=7029 comm="syz-executor941" path="/root/syz-executor941075067" dev="sda1" ino=16484 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
[   40.443505][ T7032] IPVS: ftp: loaded support on port[0] = 21
[   40.454971][   T22] audit: type=1400 audit(1573608694.349:43): avc:  denied  { create } for  pid=7032 comm="syz-executor941" 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
[   40.479668][   T22] audit: type=1400 audit(1573608694.349:44): avc:  denied  { write } for  pid=7032 comm="syz-executor941" 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
[   40.504431][   T22] audit: type=1400 audit(1573608694.349:45): avc:  denied  { read } for  pid=7032 comm="syz-executor941" 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
[   46.310194][ T7029] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888116d7f640 (size 1376):
  comm "syz-executor941", pid 7032, jiffies 4294941319 (age 7.830s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    2b 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  +..@............
  backtrace:
    [<00000000ef1ae976>] kmem_cache_alloc+0x13f/0x2c0
    [<00000000f6ce03f2>] sk_prot_alloc+0x41/0x170
    [<00000000d3bd78fa>] sk_alloc+0x35/0x2f0
    [<000000008575ec39>] smc_sock_alloc+0x4a/0x1a0
    [<00000000e2314ef3>] smc_create+0x6b/0x160
    [<00000000ef5e85f5>] __sock_create+0x164/0x250
    [<0000000016a46b4d>] __sys_socket+0x69/0x110
    [<000000009a63dc47>] __x64_sys_socket+0x1e/0x30
    [<00000000c4b8bf8b>] do_syscall_64+0x73/0x1f0
    [<0000000026266e64>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811b590800 (size 32):
  comm "syz-executor941", pid 7032, jiffies 4294941319 (age 7.830s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    e1 00 00 00 03 00 00 00 0f 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000b081329d>] kmem_cache_alloc_trace+0x145/0x2c0
    [<000000004a57f66e>] selinux_sk_alloc_security+0x48/0xb0
    [<00000000c41541f4>] security_sk_alloc+0x49/0x70
    [<00000000b352d368>] sk_prot_alloc+0xa1/0x170
    [<00000000d3bd78fa>] sk_alloc+0x35/0x2f0
    [<000000008575ec39>] smc_sock_alloc+0x4a/0x1a0
    [<00000000e2314ef3>] smc_create+0x6b/0x160
    [<00000000ef5e85f5>] __sock_create+0x164/0x250
    [<0000000016a46b4d>] __sys_socket+0x69/0x110
    [<000000009a63dc47>] __x64_sys_socket+0x1e/0x30
    [<00000000c4b8bf8b>] do_syscall_64+0x73/0x1f0
    [<0000000026266e64>] entry_SYSCALL_64_after_hwframe+0x44/0xa9