From: Siddhesh Poyarekar <siddhesh@gotplt.org>
To: "Cristian Rodríguez" <crrodriguez@opensuse.org>,
libc-alpha@sourceware.org
Subject: Re: [PATCH] debug: Improve fdelt_chk error message
Date: Mon, 14 Mar 2022 13:53:15 +0530 [thread overview]
Message-ID: <e9ae31e4-1ecf-6bba-2598-802406919029@gotplt.org> (raw)
In-Reply-To: <20220313184024.10130-1-crrodriguez@opensuse.org>
On 14/03/2022 00:10, Cristian Rodríguez via Libc-alpha wrote:
> It is not a "buffer overflow detected" but an out of range
> bit on fd_set
>
> Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org>
Agreed.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
> ---
> debug/fdelt_chk.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/debug/fdelt_chk.c b/debug/fdelt_chk.c
> index c5f16462ad..30f5a4bec1 100644
> --- a/debug/fdelt_chk.c
> +++ b/debug/fdelt_chk.c
> @@ -15,6 +15,7 @@
> License along with the GNU C Library; if not, see
> <https://www.gnu.org/licenses/>. */
>
> +#include <stdio.h>
> #include <sys/select.h>
>
>
> @@ -22,7 +23,7 @@ long int
> __fdelt_chk (long int d)
> {
> if (d < 0 || d >= FD_SETSIZE)
> - __chk_fail ();
> + __fortify_fail ("bit out of range 0 - FD_SETSIZE on fd_set");
>
> return d / __NFDBITS;
> }
next prev parent reply other threads:[~2022-03-14 8:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-13 18:40 Cristian Rodríguez
2022-03-14 8:23 ` Siddhesh Poyarekar [this message]
2022-03-28 13:49 ` Siddhesh Poyarekar
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