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and subject line Bug#315667: stack smash gcc
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Received: (at submit) by bugs.debian.org; 24 Jun 2005 15:02:56 +0000
>From justinpryzby@users.sourceforge.net Fri Jun 24 08:02:55 2005
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Date: Fri, 24 Jun 2005 11:02:42 -0400
To: submit@bugs.debian.org
Subject: stack smash gcc
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From: Justin Pryzby <justinpryzby@users.sourceforge.net>
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Package: gcc-3.3
Severity: normal
Tags: security
When compilation of the included C program is attempted with "gcc
-std=gnu99 usnoquery.c.FREEZE.c", the compilation stalls, apparently
indefinitely.
Tagged security because it supposedly involves a stack smash:
#47 0xb7f15c43 in malloc () from /lib/tls/libc.so.6
Previous frame inner to this frame (corrupt stack?)
valgrind doesn't report any invalid accesses, nor does MALLOC_CHECK_
reveal anything useful.
Justin
(Note that this code fragment is the result of deleting lots of other
code, in an attempt to discover the minimal test case. Right now, the
code doesn't make much sense, and I know that.)
#include <string.h>
int main(int argc, char **t)
{
#define UNEXPT_URL(s) do {\
foo();\
}
UNEXPT_URL("");
UNEXPT_URL(t);
if (strcmp(t, "_fch.html")) UNEXPT_URL();
}
---------------------------------------
Received: (at 315667-done) by bugs.debian.org; 7 Sep 2005 21:15:36 +0000
>From falk@debian.org Wed Sep 07 14:15:36 2005
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To: 315667-done@bugs.debian.org
Subject: Bug#315667: stack smash gcc
From: Falk Hueffner <falk@debian.org>
X-Face: "iUeUu$b*W_"w?tV83Y3*r:`rh&dRv}$YnZ3,LVeCZSYVuf[Gpo*5%_=/\_!gc_,SS}[~xZ
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Date: Wed, 07 Sep 2005 23:15:04 +0200
Message-ID: <87zmqo60mf.fsf@debian.org>
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HAS_PACKAGE autolearn=ham version=2.60-bugs.debian.org_2005_01_02
Version: 3.4.4-8
Package: gcc-3.4
This is fixed in gcc 3.4, so let's close it like the other 3.3 only
bugs.
--
Falk