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crypto: algif_skcipher - Load TX SG list after waiting
We need to load the TX SG list in sendmsg(2) after waiting for incoming data, not before. Cc: [email protected] Reported-by: Dmitry Vyukov <[email protected]> Signed-off-by: Herbert Xu <[email protected]> Tested-by: Dmitry Vyukov <[email protected]>
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1 changed files with 7 additions and 7 deletions
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@ -647,13 +647,6 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
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lock_sock(sk);
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while (msg_data_left(msg)) {
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sgl = list_first_entry(&ctx->tsgl,
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struct skcipher_sg_list, list);
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sg = sgl->sg;
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while (!sg->length)
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sg++;
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if (!ctx->used) {
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err = skcipher_wait_for_data(sk, flags);
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if (err)
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@ -674,6 +667,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
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if (!used)
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goto free;
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sgl = list_first_entry(&ctx->tsgl,
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struct skcipher_sg_list, list);
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sg = sgl->sg;
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while (!sg->length)
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sg++;
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skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used,
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ctx->iv);
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