[   24.971532][   T25] audit: type=1800 audit(1573646435.581:40): pid=6705 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: [   27.563618][   T25] audit: type=1400 audit(1573646438.191:41): avc:  denied  { map } for  pid=6882 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 '10.128.0.142' (ECDSA) to the list of known hosts.
[   33.573419][   T25] audit: type=1400 audit(1573646444.201:42): avc:  denied  { map } for  pid=6896 comm="syz-executor363" path="/root/syz-executor363390787" dev="sda1" ino=16483 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
[   40.294962][ T6899] IPVS: ftp: loaded support on port[0] = 21
[   40.306531][   T25] audit: type=1400 audit(1573646450.931:43): avc:  denied  { create } for  pid=6899 comm="syz-executor363" 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
[   40.331813][   T25] audit: type=1400 audit(1573646450.931:44): avc:  denied  { write } for  pid=6899 comm="syz-executor363" 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
[   40.356630][   T25] audit: type=1400 audit(1573646450.931:45): avc:  denied  { read } for  pid=6899 comm="syz-executor363" 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
[   46.229741][ T6896] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88811fd57640 (size 1376):
  comm "syz-executor363", pid 6899, jiffies 4294941303 (age 7.910s)
  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:
    [<000000002e387c94>] kmem_cache_alloc+0x13f/0x2c0
    [<0000000010f76af5>] sk_prot_alloc+0x41/0x170
    [<0000000081689bdc>] sk_alloc+0x35/0x2f0
    [<0000000063c063a6>] smc_sock_alloc+0x4a/0x1a0
    [<00000000a7dc3ac8>] smc_create+0x6b/0x160
    [<0000000006cd2278>] __sock_create+0x164/0x250
    [<0000000018111298>] __sys_socket+0x69/0x110
    [<000000004d2a4f0c>] __x64_sys_socket+0x1e/0x30
    [<00000000dd70d1d0>] do_syscall_64+0x73/0x1f0
    [<00000000233eb7d0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811859eba0 (size 32):
  comm "syz-executor363", pid 6899, jiffies 4294941303 (age 7.910s)
  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:
    [<00000000f42abf02>] kmem_cache_alloc_trace+0x145/0x2c0
    [<00000000703e9bf1>] selinux_sk_alloc_security+0x48/0xb0
    [<0000000050fa2519>] security_sk_alloc+0x49/0x70
    [<00000000d5766246>] sk_prot_alloc+0xa1/0x170
    [<0000000081689bdc>] sk_alloc+0x35/0x2f0
    [<0000000063c063a6>] smc_sock_alloc+0x4a/0x1a0
    [<00000000a7dc3ac8>] smc_create+0x6b/0x160
    [<0000000006cd2278>] __sock_create+0x164/0x250
    [<0000000018111298>] __sys_socket+0x69/0x110
    [<000000004d2a4f0c>] __x64_sys_socket+0x1e/0x30
    [<00000000dd70d1d0>] do_syscall_64+0x73/0x1f0
    [<00000000233eb7d0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9