Re: [PATCH] remoteproc: qcom: replace kstrdup with kstrndup

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On Tue, Feb 14, 2023 at 07:38:11PM +0530, Mukesh Ojha wrote:
> 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>

Please don't send additional patches in-reply-to another patch, it makes
it impossible to use b4 to pick up the first patch.

And please don't send two patches which clearly will conflict with
each other. Now I had to manually apply the first patch...

Regards,
Bjorn

> ---
>  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
> 



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