Herbert Xu a7f580cdb4 crypto: s390/aes - Fix buffer overread in CTR mode
commit d07f951903fa9922c375b8ab1ce81b18a0034e3b upstream.

When processing the last block, the s390 ctr code will always read
a whole block, even if there isn't a whole block of data left.  Fix
this by using the actual length left and copy it into a buffer first
for processing.

Fixes: 0200f3ecc196 ("crypto: s390 - add System z hardware support for CTR mode")
Cc: <stable@vger.kernel.org>
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewd-by: Harald Freudenberger <freude@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-23 08:54:24 +01:00
..
2024-01-25 14:52:30 -08:00
2023-02-01 08:27:20 +01:00
2023-11-20 11:08:23 +01:00
2023-09-19 12:22:49 +02:00
2023-08-08 19:58:30 +02:00