[PATCH] remoteproc: qcom: replace kstrdup with kstrndup

From: Mukesh Ojha
Date: Tue Feb 14 2023 - 09:23:39 EST


Since, there is no guarantee that region.name will be 0-terminated
from the firmware side, replace kstrdup with kstrndup.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
---
drivers/remoteproc/qcom_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
index 020349f..7810f91 100644
--- a/drivers/remoteproc/qcom_common.c
+++ b/drivers/remoteproc/qcom_common.c
@@ -124,7 +124,7 @@ static int qcom_add_minidump_segments(struct rproc *rproc, struct minidump_subsy
for (i = 0; i < seg_cnt; i++) {
memcpy_fromio(&region, ptr + i, sizeof(region));
if (region.valid == MD_REGION_VALID) {
- name = kstrdup(region.name, GFP_KERNEL);
+ name = kstrndup(region.name, MAX_REGION_NAME_LENGTH - 1, GFP_KERNEL);
if (!name) {
iounmap(ptr);
return -ENOMEM;
--
2.7.4