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Date: Sat, 4 Oct 2014 11:37:57 -0400 From: Yasser Shalabi <yassershalabi@...il.com> To: acme@...nel.org Cc: linux-kernel@...r.kernel.org, mingo@...hat.com, paulus@...ba.org, a.p.zijlstra@...llo.nl, Yasser Shalabi <yassershalabi@...il.com> Subject: [PATCH] perf: fix for double free in tools/perf stat Fix for double free bug in tools/perf due to dangling thread_map pointer in perf_evlist struct. Code path excercised when perf stat -C switch is used but not set and is followed by another switch. Example: perf stat -C -e. Signed-off-by: Yasser Shalabi <yassershalabi@...il.com> --- tools/perf/util/evlist.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 814e954..09af633 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -845,6 +845,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) out_delete_threads: thread_map__delete(evlist->threads); + evlist->threads = 0; return -1; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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