On Mon, Mar 05, 2012 at 03:01:30PM +0100, Tomáš Janoušek wrote: > > That make sense! Your "CPU instructions break things" theory sounds crazy, > > but I think it's logical. WPA enterprise differ from WPA-PSA (pre shared > > key) that the key changed periodically, SSL is used when keys are changed > > (via wpa_supplicant). So looks like 32-bit openssl generate object code > > that trigger bug on CPU, which crash other processes. > > It seems that someone beat me to it. Since Linus fixed the FPU leaks in > 3.3-rc4, I haven't experienced the problem. And I was this close! :-) Yeh, that was really nasty bug. > Anyway, thanks for assistance and sorry for being so slow to respond. No problem. Can you remind me, is this reproducible on 64-bit kernel with 32-bit user space? I'm asking because I would like to know if we need to backport those fixes to our kernel. We do not enable CONFIG_CRYPTO_AES_NI_INTEL on 32 bit kernel, only on 64 bit, but if this problem happen with 32-bit user land with 64 bit kernel, we will need to do backport. Thanks Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
