From: Florian Weimer <fweimer@redhat.com>
To: William Brana <wbrana@gmail.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: libXcursor + -finline-functions: Invalid read of size 4
Date: Tue, 12 Aug 2014 15:17:00 -0000 [thread overview]
Message-ID: <53EA3011.4020302@redhat.com> (raw)
In-Reply-To: <CAJ7jCmmGsOhKxhj_vTzBo36BgueGW580xEkdZ9Ur_HKCE-WMTQ@mail.gmail.com>
On 08/12/2014 04:57 PM, William Brana wrote:
>> Can you run valgrind with debugging information? It might us tell us at
>> least which allocation is too short.
>>
>> It could be a harmless over-read from the libc string functions
>> (particularly if valgrind has not been set up correctly on your system).
> ==43000== at 0x89019F3: XcursorScanTheme.part.0 (library.c:137)
From library.c:
137 full = malloc (strlen (dir) + 1 + strlen (subdir) + 1 +
strlen (file) + 1);
So this looks indeed like a strlen implementation (possibly inlined)
which is not properly instrumented.
--
Florian Weimer / Red Hat Product Security
prev parent reply other threads:[~2014-08-12 15:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-08 11:15 William Brana
2014-08-11 8:43 ` Florian Weimer
2014-08-12 14:57 ` William Brana
2014-08-12 15:17 ` Florian Weimer [this message]
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