Re: [PATCH] crypto: sha256_ssse3 - fix stack corruption with SSSE3 and AVX implementations

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2013-05-21 at 17:09 +0300, Jussi Kivilinna wrote:
> The _XFER stack element size was set too small, 8 bytes, when it needs to be
> 16 bytes. As _XFER is the last stack element used by these implementations,
> the 16 byte stores with 'movdqa' corrupt the stack where the value of register
> %r12 is temporarily stored. As these implementations align the stack pointer
> to 16 bytes, this corruption did not happen every time.
> 
> Patch corrects this issue.

Thanks for catching and fixing the issue.

Acked-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>

Tim

--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel]     [Gnu Classpath]     [Gnu Crypto]     [DM Crypt]     [Netfilter]     [Bugtraq]

  Powered by Linux