[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   27.255909][   T25] kauditd_printk_skb: 42 callbacks suppressed
[   27.255914][   T25] audit: type=1400 audit(1569701653.255:63): avc:  denied  { map } for  pid=6828 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 '10.128.0.83' (ECDSA) to the list of known hosts.
[   33.041316][   T25] audit: type=1400 audit(1569701659.045:64): avc:  denied  { map } for  pid=6842 comm="syz-executor375" path="/root/syz-executor375626622" dev="sda1" ino=16502 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
[   46.512882][ T6842] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   53.308755][ T6842] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810fd9a500 (size 256):
  comm "syz-executor375", pid 6845, jiffies 4294941255 (age 13.550s)
  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:
    [<00000000462ab467>] kmem_cache_alloc_trace+0x145/0x2c0
    [<00000000b1a62211>] gfs2_init_fs_context+0x25/0x90
    [<00000000db94ecb4>] gfs2_meta_init_fs_context+0x17/0x40
    [<0000000077df5577>] alloc_fs_context+0x174/0x200
    [<000000008d5e3681>] fs_context_for_mount+0x25/0x30
    [<0000000030bafbdb>] __x64_sys_fsopen+0xa9/0x1a0
    [<00000000974fed69>] do_syscall_64+0x73/0x1f0
    [<00000000299e0e1b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810fd9a200 (size 256):
  comm "syz-executor375", pid 6846, jiffies 4294941838 (age 7.720s)
  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:
    [<00000000462ab467>] kmem_cache_alloc_trace+0x145/0x2c0
    [<00000000b1a62211>] gfs2_init_fs_context+0x25/0x90
    [<00000000db94ecb4>] gfs2_meta_init_fs_context+0x17/0x40
    [<0000000077df5577>] alloc_fs_context+0x174/0x200
    [<000000008d5e3681>] fs_context_for_mount+0x25/0x30
    [<0000000030bafbdb>] __x64_sys_fsopen+0xa9/0x1a0
    [<00000000974fed69>] do_syscall_64+0x73/0x1f0
    [<00000000299e0e1b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9