On Fri, Jan 15, 2021 at 10:46:05PM +0200, Ovidiu Panait wrote: > src_size and aad_size are defined as u32, so the following expressions are > currently being evaluated using 32-bit arithmetic: > > bit_len = src_size * 8; > ... > bit_len = aad_size * 8; > > However, bit_len is used afterwards in a context that expects a valid > 64-bit value (the lower and upper 32-bit words of bit_len are extracted > and written to hw). > > In order to make sure the correct bit length is generated and the 32-bit > multiplication does not wrap around, cast src_size and aad_size to u64. > > Signed-off-by: Ovidiu Panait <ovidiu.panait@xxxxxxxxxxxxx> > --- > drivers/crypto/keembay/ocs-aes.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) 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
