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From: Alexandre Martins <alexandre.martins@netasq.com>
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To: Dimitry Andric <dim@freebsd.org>
Date: Wed, 14 Mar 2012 09:42:00 +0100
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Subject: Re: Double free() in libc or gdb ?
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On Tuesday 13 March 2012 20:44:43 you wrote:
> On 2012-03-13 11:08, Alexandre Martins wrote:
> > On Monday 12 March 2012 18:55:55 Konstantin Belousov wrote:
> >> On Mon, Mar 12, 2012 at 05:50:33PM +0100, Alexandre Martins wrote:
> ...
>=20
> >>> I have the libc compilled with "MALLOC_DEBUG" flag to detect double
> >>> free. When i run this piece of code (attached file) thought GDB, i
> >>> have this assertion :
> >>>=20
> >>> Assertion failed: ((run->regs_mask[elm] & (1U << bit)) =3D=3D 0), fun=
ction
> >>> arena_run_reg_dalloc, file /usr/src/lib/libc/stdlib/malloc.c, line
> >>> 2543.
>=20
> I have committed a fix for this assertion (actually a double free) in
> r232934.  Can you please update to that revision, rebuild your gdb, and
> try again?

Dear,

The problem have disapear with an update to gdb 7.3.

Thank you for your help !

Regards
=2D-=20
Alexandre Martins
NETASQ -- We secure IT


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