This is a note to let you know that I've just added the patch titled
crypto: iaa - Fix async_disable descriptor leak
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-iaa-fix-async_disable-descriptor-leak.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b643687b667c10bddb74fd66dd1b462eba10e634
Author: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
Date: Sun Feb 25 14:11:33 2024 -0600
crypto: iaa - Fix async_disable descriptor leak
[ Upstream commit 262534ddc88dfea7474ed18adfecf856e4fbe054 ]
The disable_async paths of iaa_compress/decompress() don't free idxd
descriptors in the async_disable case. Currently this only happens in
the testcases where req->dst is set to null. Add a test to free them
in those paths.
Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index aa65c1791ce76..64a2e87a55b3c 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -1328,7 +1328,7 @@ static int iaa_compress(struct crypto_tfm *tfm, struct acomp_req *req,
*compression_crc = idxd_desc->iax_completion->crc;
- if (!ctx->async_mode)
+ if (!ctx->async_mode || disable_async)
idxd_free_desc(wq, idxd_desc);
out:
return ret;
@@ -1574,7 +1574,7 @@ static int iaa_decompress(struct crypto_tfm *tfm, struct acomp_req *req,
*dlen = req->dlen;
- if (!ctx->async_mode)
+ if (!ctx->async_mode || disable_async)
idxd_free_desc(wq, idxd_desc);
/* Update stats */
