[   28.714386][   T26] audit: type=1800 audit(1580825048.427:40): pid=7043 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: [   33.282484][   T26] audit: type=1400 audit(1580825053.017:41): avc:  denied  { map } for  pid=7222 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 '10.128.1.52' (ECDSA) to the list of known hosts.
[   61.755360][   T26] audit: type=1400 audit(1580825081.487:42): avc:  denied  { map } for  pid=7236 comm="syz-executor304" path="/root/syz-executor304137181" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   61.782389][   T26] audit: type=1400 audit(1580825081.487:43): avc:  denied  { integrity } for  pid=7236 comm="syz-executor304" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1
executing program
executing program
[   75.519958][ T7236] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888116fcfa40 (size 64):
  comm "syz-executor304", pid 7237, jiffies 4294944132 (age 13.860s)
  hex dump (first 32 bytes):
    07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 90 b7 01 00 c9 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f23797a9>] kmem_cache_alloc_trace+0x145/0x2c0
    [<000000006e862d87>] snd_pcm_lib_malloc_pages+0x12b/0x200
    [<0000000035de2735>] snd_pcm_hw_params+0x720/0x830
    [<000000002af969bd>] snd_pcm_kernel_ioctl+0xb5/0x170
    [<00000000068fb9a9>] snd_pcm_oss_change_params_locked+0x745/0x1140
    [<000000000f1c2042>] snd_pcm_oss_change_params+0x43/0x80
    [<000000001ea9f97a>] snd_pcm_oss_make_ready+0x55/0xc0
    [<00000000a5713c31>] snd_pcm_oss_sync.isra.0+0xb8/0x310
    [<00000000b97ba4e6>] snd_pcm_oss_release+0xef/0x100
    [<00000000c37c272f>] __fput+0xed/0x300
    [<000000003b31d525>] ____fput+0x16/0x20
    [<00000000ed3658a8>] task_work_run+0x9d/0xc0
    [<00000000f4a9db4a>] do_exit+0x3fa/0xe20
    [<000000002c89e466>] do_group_exit+0x4b/0xe0
    [<00000000e654cd8b>] __x64_sys_exit_group+0x1c/0x20
    [<0000000058c9b738>] do_syscall_64+0x73/0x220