[   24.861379][   T25] audit: type=1804 audit(1570168885.943:53): pid=6921 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
[   24.861387][   T25] audit: type=1804 audit(1570168885.943:54): pid=6923 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
[   24.861395][   T25] audit: type=1804 audit(1570168885.943:55): pid=6924 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
[   24.881100][   T25] audit: type=1804 audit(1570168885.943:56): pid=6924 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
[   24.965967][   T25] audit: type=1804 audit(1570168885.953:57): pid=6923 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1
[   24.965978][   T25] audit: type=1804 audit(1570168885.963:58): pid=6924 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.1.36' (ECDSA) to the list of known hosts.
syzkaller login: [   34.221356][   T25] kauditd_printk_skb: 4 callbacks suppressed
[   34.221363][   T25] audit: type=1400 audit(1570168895.303:63): avc:  denied  { map } for  pid=6949 comm="syz-executor410" path="/root/syz-executor410082872" dev="sda1" ino=16503 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
[   48.173664][ T6949] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810fc7b900 (size 256):
  comm "syz-executor410", pid 6952, jiffies 4294941419 (age 13.080s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000c0a45e53>] kmem_cache_alloc_trace+0x145/0x2c0
    [<00000000bae1e445>] gfs2_init_fs_context+0x25/0x90
    [<00000000658cb43b>] gfs2_meta_init_fs_context+0x17/0x40
    [<00000000ec717b6b>] alloc_fs_context+0x174/0x200
    [<00000000f1e892ba>] fs_context_for_mount+0x25/0x30
    [<00000000665236b5>] __x64_sys_fsopen+0xa9/0x1a0
    [<00000000097e833f>] do_syscall_64+0x73/0x1f0
    [<00000000f200f8c8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9