This is a note to let you know that I've just added the patch titled
um: vector: Fix memory leak in vector_config
to the 4.19-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:
um-vector-fix-memory-leak-in-vector_config.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a9d334cc792fff2e344e9b2843b041279d549706
Author: Xiang Yang <xiangyang3@xxxxxxxxxx>
Date: Tue Nov 15 15:32:25 2022 +0800
um: vector: Fix memory leak in vector_config
[ Upstream commit 8f88c73afe481f93d40801596927e8c0047b6d96 ]
If the return value of the uml_parse_vector_ifspec function is NULL,
we should call kfree(params) to prevent memory leak.
Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
Signed-off-by: Xiang Yang <xiangyang3@xxxxxxxxxx>
Acked-By: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 50ee3bb5a63a9..b0b124025b486 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -741,6 +741,7 @@ static int vector_config(char *str, char **error_out)
if (parsed == NULL) {
*error_out = "vector_config failed to parse parameters";
+ kfree(params);
return -EINVAL;
}
