On Wed, Aug 02, 2017 at 01:49:09PM -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 > > I have re-enabled sha1-avx2 by reverting commit > b82ce24426a4071da9529d726057e4e642948667 > > Originally-by: Ilya Albrekht <ilya.albrekht@xxxxxxxxx> > Tested-by: Jan Stancek <jstancek@xxxxxxxxxx> > Signed-off-by: Megha Dey <megha.dey@xxxxxxxxxxxxxxx> > Reported-by: Jan Stancek <jstancek@xxxxxxxxxx> Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
