debugfs: convert gid= argument from decimal, not octal

This patch technically breaks userspace, but I suspect that anyone who
actually used this flag would have encountered this brokenness, declared
it lunacy, and already sent a patch.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Reviewed-by: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 153bb1e42e631e07b41c5d87d82fd660388ed22e..a5f12b7e228d487029ea83ab72482cdfc8bb2a61 100644 (file)
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -176,7 +176,7 @@ static int debugfs_parse_options(char *data, struct debugfs_mount_opts *opts)
                        opts->uid = uid;
                        break;
                case Opt_gid:
-                       if (match_octal(&args[0], &option))
+                       if (match_int(&args[0], &option))
                                return -EINVAL;
                        gid = make_kgid(current_user_ns(), option);
                        if (!gid_valid(gid))