From: Stefan Liebler <stli@linux.vnet.ibm.com>
To: libc-alpha@sourceware.org
Cc: DJ Delorie <dj@redhat.com>, "Carlos O'Donell" <carlos@redhat.com>
Subject: Re: [patch] NSS test harness upgrade
Date: Thu, 20 Jul 2017 07:03:00 -0000 [thread overview]
Message-ID: <a4189ec7-eacd-e2ae-b803-56ce63690067@linux.vnet.ibm.com> (raw)
In-Reply-To: <xn1spcuyx4.fsf@greed.delorie.com>
On 07/19/2017 07:19 PM, DJ Delorie wrote:
>
> I've checked in this hopefully obvious patch...
>
> From f8cef4d07d9641e27629bd3ce2d13f5d702fb251 Mon Sep 17 00:00:00 2001
> From: DJ Delorie <dj@delorie.com>
> Date: Wed, 19 Jul 2017 13:14:34 -0400
> Subject: Fix cast-after-dereference
>
> Original code was dereferencing a char*, then casting the value
> to size_t. Should cast the pointer to size_t* then deference.
>
> diff --git a/ChangeLog b/ChangeLog
> index d514f08..8618e26 100644
> --- a/ChangeLog
> +++ b/ChangeLog
> @@ -1,3 +1,7 @@
> +2017-07-19 DJ Delorie <dj@delorie.com>
> +
> + * grp/grp-merge.c (libc_hidden_def): Fix cast-after-dereference.
> +
> 2017-07-19 H.J. Lu <hongjiu.lu@intel.com>
>
> [BZ #21741]
> diff --git a/grp/grp-merge.c b/grp/grp-merge.c
> index 6590e5d..035e7a6 100644
> --- a/grp/grp-merge.c
> +++ b/grp/grp-merge.c
> @@ -137,7 +137,7 @@ __merge_grp (struct group *savedgrp, char *savedbuf, char *savedend,
>
> /* Get the count of group members from the last sizeof (size_t) bytes in the
> mergegrp buffer. */
> - savedmemcount = (size_t) *(savedend - sizeof (size_t));
> + savedmemcount = *(size_t *) (savedend - sizeof (size_t));
>
> /* Get the count of new members to add. */
> for (memcount = 0; mergegrp->gr_mem[memcount]; memcount++)
>
I've pulled this patch and rerun the test on the mentioned systems.
The test is now passing.
Thanks.
Stefan
next prev parent reply other threads:[~2017-07-20 7:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-03 20:32 DJ Delorie
2017-05-03 22:15 ` DJ Delorie
2017-05-23 21:25 ` DJ Delorie
2017-07-14 0:39 ` DJ Delorie
2017-07-14 15:15 ` Carlos O'Donell
2017-07-14 21:51 ` DJ Delorie
2017-07-15 1:40 ` Carlos O'Donell
2017-07-17 19:53 ` DJ Delorie
2017-07-19 12:04 ` Stefan Liebler
2017-07-19 14:20 ` Carlos O'Donell
2017-07-19 14:53 ` Stefan Liebler
2017-07-19 17:19 ` DJ Delorie
2017-07-19 19:38 ` Carlos O'Donell
2017-07-19 19:41 ` DJ Delorie
2017-07-19 20:33 ` Carlos O'Donell
2017-07-19 21:28 ` Andreas Schwab
2017-07-19 23:16 ` DJ Delorie
2017-07-20 0:50 ` Paul Pluzhnikov
2017-07-20 0:57 ` DJ Delorie
2017-07-20 6:33 ` Andreas Schwab
2017-07-20 7:03 ` Stefan Liebler [this message]
2017-07-27 23:45 ` Joseph Myers
2017-08-09 21:41 ` DJ Delorie
2017-08-09 22:38 ` Carlos O'Donell
2017-08-17 22:01 ` DJ Delorie
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