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Merge tag 'v6.8-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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Pull crypto fix from Herbert Xu:
 "Fix a stack overflow in virtio"

* tag 'v6.8-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: virtio/akcipher - Fix stack overflow on memcpy
This commit is contained in:
Linus Torvalds
2024-02-21 08:37:49 -08:00
parent 9fc1ccccfd c0ec2a712d
commit d8be5a55b8
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
+3 -2
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@@ -104,7 +104,8 @@ static void virtio_crypto_dataq_akcipher_callback(struct virtio_crypto_request *
}
static int virtio_crypto_alg_akcipher_init_session(struct virtio_crypto_akcipher_ctx *ctx,
struct virtio_crypto_ctrl_header *header, void *para,
struct virtio_crypto_ctrl_header *header,
struct virtio_crypto_akcipher_session_para *para,
const uint8_t *key, unsigned int keylen)
{
struct scatterlist outhdr_sg, key_sg, inhdr_sg, *sgs[3];
@@ -128,7 +129,7 @@ static int virtio_crypto_alg_akcipher_init_session(struct virtio_crypto_akcipher
ctrl = &vc_ctrl_req->ctrl;
memcpy(&ctrl->header, header, sizeof(ctrl->header));
memcpy(&ctrl->u, para, sizeof(ctrl->u));
memcpy(&ctrl->u.akcipher_create_session.para, para, sizeof(*para));
input = &vc_ctrl_req->input;
input->status = cpu_to_le32(VIRTIO_CRYPTO_ERR);