zhenwei pi b0365460e9 crypto: virtio/akcipher - Fix stack overflow on memcpy ... commit c0ec2a712daf133d9996a8a1b7ee2d4996080363 upstream. sizeof(struct virtio_crypto_akcipher_session_para) is less than sizeof(struct virtio_crypto_op_ctrl_req::u), copying more bytes from stack variable leads stack overflow. Clang reports this issue by commands: make -j CC=clang-14 mrproper >/dev/null 2>&1 make -j O=/tmp/crypto-build CC=clang-14 allmodconfig >/dev/null 2>&1 make -j O=/tmp/crypto-build W=1 CC=clang-14 drivers/crypto/virtio/ virtio_crypto_akcipher_algs.o Fixes: 59ca6c9338 ("virtio-crypto: implement RSA algorithm") Link: https://lore.kernel.org/all/0a194a79-e3a3-45e7-be98-83abd3e1cb7e@roeck-us.net/ Cc: <stable@vger.kernel.org> Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Tested-by: Nathan Chancellor <nathan@kernel.org> # build Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2024-03-01 13:35:01 +01:00
..
Kconfig	virtio-crypto: implement RSA algorithm	2022-03-28 16:52:58 -04:00
Makefile	virtio-crypto: rename skcipher algs	2022-03-28 16:52:58 -04:00
virtio_crypto_akcipher_algs.c	crypto: virtio/akcipher - Fix stack overflow on memcpy	2024-03-01 13:35:01 +01:00
virtio_crypto_common.h	crypto: virtio - Handle dataq logic with tasklet	2024-01-25 15:35:15 -08:00
virtio_crypto_core.c	crypto: virtio - Wait for tasklet to complete on device remove	2024-01-25 15:35:17 -08:00
virtio_crypto_mgr.c	virtio-crypto: rename skcipher algs	2022-03-28 16:52:58 -04:00
virtio_crypto_skcipher_algs.c	crypto: virtio - Use new crypto_engine_op interface	2023-08-18 17:01:11 +08:00