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| author |  zhenwei pi <pizhenwei@bytedance.com>
| 2024-01-30 19:27:40 +0800 |
|---|---|---|
| committer |  Herbert Xu <herbert@gondor.apana.org.au>
| 2024-02-09 12:55:53 +0800 |
| commit | c0ec2a712daf133d9996a8a1b7ee2d4996080363 (patch) | |
| tree | a9afef018533055d9bd27675a57528f39a5f8df4 /crypto | |
| parent | crypto: algif_hash - Remove bogus SGL free on zero-length error path (diff) | |
| download | linux-c0ec2a712daf133d9996a8a1b7ee2d4996080363.tar.gz linux-c0ec2a712daf133d9996a8a1b7ee2d4996080363.tar.bz2 linux-c0ec2a712daf133d9996a8a1b7ee2d4996080363.zip | |
crypto: virtio/akcipher - Fix stack overflow on memcpy
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: 59ca6c93387d ("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>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions