Re: [PATCH 2/4] deadline_test: Fix stack corruption

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On Tue, 12 Mar 2019, Daniel Wagner wrote:

> The buffer is too short for the string.
> 
> Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxx>
> ---
>  src/sched_deadline/deadline_test.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
> index b213c206559c..1b72c6097a87 100644
> --- a/src/sched_deadline/deadline_test.c
> +++ b/src/sched_deadline/deadline_test.c
> @@ -435,7 +435,7 @@ static void setup_ftrace_marker(void)
>  {
>  	struct stat st;
>  	const char *debugfs = find_debugfs();
> -	char files[strlen(debugfs) + 14];
> +	char files[strlen(debugfs) + strlen("/tracing/trace_marker")];
>  	int ret;
>  
>  	if (strlen(debugfs) == 0)
> -- 
> 2.20.1
> 
> 
You beat Kurt with this patch, but his included the null byte, so I 
grabbed that one



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