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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/27806] free(): invalid pointer during gdb.ada/fixed_cmp.exp
Date: Fri, 30 Apr 2021 14:00:08 +0000 [thread overview]
Message-ID: <bug-27806-4717-Mf4WIL5Y3d@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-27806-4717@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=27806
--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #4)
> So, the sequence of events seems to be:
>
> 1. Gdb sets gmp memory functions during _initialize_gmp_utils:
> ...
> #1 0x00000000007498ba in _initialize_gmp_utils ()
> at /data/gdb_versions/devel/src/gdb/gmp-utils.c:242
> 242 mp_set_memory_functions (xmalloc, xrealloc_for_gmp, xfree_for_gmp);
> ...
>
> 2. libguille overwrites those memory functions during
> gdbscm_finish_initialization:
> ...
> #1 0x00007ffff7e8bfb2 in scm_init_numbers () at numbers.c:10393
> 10393 mp_set_memory_functions (custom_gmp_malloc,
> ...
>
Before the commit, the order of 1 and 2 was reversed.
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next prev parent reply other threads:[~2021-04-30 14:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-30 12:49 [Bug gdb/27806] New: " vries at gcc dot gnu.org
2021-04-30 12:50 ` [Bug gdb/27806] " vries at gcc dot gnu.org
2021-04-30 12:52 ` vries at gcc dot gnu.org
2021-04-30 13:19 ` vries at gcc dot gnu.org
2021-04-30 13:48 ` vries at gcc dot gnu.org
2021-04-30 14:00 ` vries at gcc dot gnu.org [this message]
2021-04-30 14:09 ` simark at simark dot ca
2021-04-30 14:13 ` vries at gcc dot gnu.org
2021-04-30 14:26 ` vries at gcc dot gnu.org
2021-04-30 14:29 ` vries at gcc dot gnu.org
2021-04-30 14:35 ` vries at gcc dot gnu.org
2021-04-30 14:37 ` simark at simark dot ca
2021-04-30 14:42 ` vries at gcc dot gnu.org
2021-04-30 14:56 ` vries at gcc dot gnu.org
2021-05-03 8:39 ` [Bug guile/27806] " vries at gcc dot gnu.org
2021-05-03 8:55 ` vries at gcc dot gnu.org
2021-05-04 8:26 ` cvs-commit at gcc dot gnu.org
2021-05-04 8:28 ` vries at gcc dot gnu.org
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