linux/fs/ceph/super.c
Ilya Dryomov 12eb22a5a6 ceph: validate snapdirname option length when mounting
It becomes a path component, so it shouldn't exceed NAME_MAX
characters.  This was hardened in commit c152737be2 ("ceph: Use
strscpy() instead of strcpy() in __get_snap_name()"), but no actual
check was put in place.

Cc: stable@vger.kernel.org
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Markuze <amarkuze@redhat.com>
2024-12-16 23:25:43 +01:00

1708 lines
44 KiB