Re: [PATCH -next] um: vector: Fix memory leak in vector_config

From: Anton Ivanov
Date: Wed Nov 16 2022 - 11:10:31 EST




On 15/11/2022 07:32, Xiang Yang wrote:
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>
---
arch/um/drivers/vector_kern.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index ded7c47d2fbe..131b7cb29576 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -767,6 +767,7 @@ static int vector_config(char *str, char **error_out)
if (parsed == NULL) {
*error_out = "vector_config failed to parse parameters";
+ kfree(params);
return -EINVAL;
}

Acked-By: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxx>
--
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/