[   28.041004][   T24] audit: type=1800 audit(1575504640.135:40): pid=7013 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: [   32.385922][   T24] audit: type=1400 audit(1575504644.505:41): avc:  denied  { map } for  pid=7196 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 '10.128.0.57' (ECDSA) to the list of known hosts.
[   38.310073][   T24] audit: type=1400 audit(1575504650.425:42): avc:  denied  { map } for  pid=7209 comm="syz-executor198" path="/root/syz-executor198144284" 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
executing program
executing program
executing program
[   57.476245][ T7209] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888104cc2de0 (size 32):
  comm "syz-executor198", pid 7212, jiffies 4294942353 (age 13.450s)
  hex dump (first 32 bytes):
    00 64 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00  .dmabuf:........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f394dfa6>] __kmalloc_track_caller+0x165/0x300
    [<00000000784762c1>] memdup_user+0x26/0xa0
    [<0000000018c3d33a>] strndup_user+0x62/0x80
    [<0000000084acd238>] dma_buf_ioctl+0x60/0x1e0
    [<00000000f05a6409>] do_vfs_ioctl+0x551/0x890
    [<000000005e8c08f3>] ksys_ioctl+0x86/0xb0
    [<00000000270b1385>] __x64_sys_ioctl+0x1e/0x30
    [<0000000020f5a68d>] do_syscall_64+0x73/0x220
    [<00000000e127517b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9