On Tue, Aug 01, 2017 at 05:38:32PM -0700, Megha Dey wrote: > It was reported that the sha1 AVX2 function(sha1_transform_avx2) is > reading ahead beyond its intended data, and causing a crash if the next > block is beyond page boundary: > http://marc.info/?l=linux-crypto-vger&m=149373371023377 > > This patch makes sure that there is no overflow for any buffer length. > > It passes the tests written by Jan Stancek that revealed this problem: > https://github.com/jstancek/sha1-avx2-crash > > Jan, can you verify this fix? > Herbert, can you re-enable sha1-avx2 once Jan has checked it out and > revert commit b82ce24426a4071da9529d726057e4e642948667 ? Can you please include the hunk to actually reenable sha1-avx2 in your patch? Thanks! -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
