Re: [PATCH] [libiberty] Fix read buffer overflow in split_directories

[Ian Lance Taylor via gcc-patches]

On Thu, Nov 28, 2019 at 1:11 PM Tim Rühsen <tim.rueh...@gmx.de> wrote:
>
> An empty name param leads to read buffer overflow in
> function split_directories.
>
> * libiberty/make-relative-prefix.c (split_directories):
>   Return early on empty name.
> ---
>  libiberty/ChangeLog              | 7 +++++++
>  libiberty/make-relative-prefix.c | 3 +++
>  2 files changed, 10 insertions(+)
>
> diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
> index b516903d94..b7e24d11ef 100644
> --- a/libiberty/ChangeLog
> +++ b/libiberty/ChangeLog
> @@ -1,3 +1,10 @@
> +2019-11-28  Tim Ruehsen  <tim.rueh...@gmx.de>
> +
> +       Fix read buffer overflow in split_directories
> +
> +       * make-relative-prefix.c (split_directories):
> +       Return early on empty 'name'
> +

This is OK.

Thanks.

Ian