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Old 10-25-2011, 12:31 PM
Simon Josefsson
 
Default Bug#639818: GNU gnutls branch, master, updated. gnutls_3_0_4-28-ga416d28

Nikos Mavrogiannopoulos <nmav@gnutls.org> writes:

> On 10/25/2011 01:25 PM, Simon Josefsson wrote:
>> "Nikos Mavrogiannopoulos" <nmav@gnutls.org> writes:
>>
>>> use coding.c from libtasn1 git, to avoid issue when compiled with gcc-4.6.
>>
>> Hi Nikos! What's the issue? (maybe it hates strcat?) Should I do a
>> new libtasn1 release with the fix?
>
> It looks like a gcc issue. I've reported it at:
> http://lists.debian.org/debian-gcc/2011/08/msg00192.html

I wonder if that's not the same strlen bug I've seen sometimes:

https://bugzilla.redhat.com/show_bug.cgi?id=678518#c2

Possibly strcat does a strlen internally, which results in the optimized
strlen behaviour reading out of bounds that triggers valgrind.

> The fix is a work around, however given that there is no fix for gcc in
> debian, a new libtasn1 that doesn't have this issue would be best.

There is some gnulib fixes in there too, and maybe I can find some other
minor issue to fix as well.... so I can make another release.

/Simon



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