[Pkg-openssl-devel] Bug#534534: Bug#534534: libssl0.9.8: valgrind/helgrind reports Possible data race during write

[Kurt Roeckx]

On Thu, Jun 25, 2009 at 03:59:32PM +1000, Russell Coker wrote:
> Package: libssl0.9.8
> Version: 0.9.8g-15+lenny1
> Severity: normal
> 
> ==32465== Possible data race during write of size 4 at 0x55D7CE8
> ==32465==    at 0x52CD88D: CRYPTO_malloc (mem.c:298)
> ==32465==    by 0x534AC75: asn1_item_ex_combine_new (tasn_new.c:191)
> ==32465==    by 0x534E184: ASN1_item_ex_d2i (tasn_dec.c:399)
> ==32465==    by 0x534E253: ASN1_item_d2i (tasn_dec.c:134)
> ==32465==    by 0x5344B7E: d2i_PUBKEY (x_pubkey.c:388)
> ==32465==    by 0x40D580: SelectorInfo::Parse(char*) (dkimverify.cpp:1312)
> 
> Above is a helgrind error I get on my AMD64 system.
> 
> http://etbe.coker.com.au/2009/06/22/valgrindhelgrind-and-stl-string/
> 
> Below is a patch I wrote which appears to solve this problem.  According to
> the comments on my above blog post it seems possible that this patch will also
> slightly improve performance on SMP systems when under heavy load.

Thanks for the patch.  I will look into it shortly.


Kurt