Em Mon, Dec 01, 2014 at 08:06:27PM +0100, Jiri Olsa escreveu:
> The kcore_filename is uninitialized and trash value could
> trigger build_id_cache__add_kcore function ending up with
> segfault.

Applied
 
> Cc: Arnaldo Carvalho de Melo <[email protected]>
> Cc: Corey Ashford <[email protected]>
> Cc: David Ahern <[email protected]>
> Cc: Frederic Weisbecker <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Paul Mackerras <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Cc: Stephane Eranian <[email protected]>
> Cc: Steven Rostedt <[email protected]>
> Signed-off-by: Jiri Olsa <[email protected]>
> ---
>  tools/perf/builtin-buildid-cache.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-buildid-cache.c 
> b/tools/perf/builtin-buildid-cache.c
> index 184955ec8a83..7a3504a1b494 100644
> --- a/tools/perf/builtin-buildid-cache.c
> +++ b/tools/perf/builtin-buildid-cache.c
> @@ -737,7 +737,7 @@ int cmd_buildid_cache(int argc, const char **argv,
>                  *remove_name_list_str = NULL,
>                  *missing_filename = NULL,
>                  *update_name_list_str = NULL,
> -                *kcore_filename;
> +                *kcore_filename = NULL;
>       char sbuf[STRERR_BUFSIZE];
>  
>       struct perf_data_file file = {
> -- 
> 1.9.3
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