This is a note to let you know that I've just added the patch titled
gss_krb5: Fix the error handling path for crypto_sync_skcipher_setkey
to the 5.4-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:
gss_krb5-fix-the-error-handling-path-for-crypto_sync.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 038954258b84f96e63de6e8e02efedae579b1768
Author: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Date: Sat Jul 6 14:50:08 2024 +0800
gss_krb5: Fix the error handling path for crypto_sync_skcipher_setkey
[ Upstream commit a3123341dc358952ce2bf8067fbdfb7eaadf71bb ]
If we fail to call crypto_sync_skcipher_setkey, we should free the
memory allocation for cipher, replace err_return with err_free_cipher
to free the memory of cipher.
Fixes: 4891f2d008e4 ("gss_krb5: import functionality to derive keys into the kernel")
Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
index 3b7f721c023bb..f77ea3dc0cc84 100644
--- a/net/sunrpc/auth_gss/gss_krb5_keys.c
+++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
@@ -161,7 +161,7 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e,
if (IS_ERR(cipher))
goto err_return;
if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len))
- goto err_return;
+ goto err_free_cipher;
/* allocate and set up buffers */
