Messages in this thread Patch in this message | | | Date | Tue, 2 Jul 2019 10:37:15 -0700 | Subject | [PATCH 1/2] Fix mmap-thread-lookup.c unitialized memory usage | From | Numfor Mbiziwo-Tiapo <> |
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Running the perf test command after building perf with a memory sanitizer causes a warning that says: WARNING: MemorySanitizer: use-of-uninitialized-value... in mmap-thread-lookup.c Initializing the go variable to 0 fixes this change.
Signed-off-by: Numfor Mbiziwo-Tiapo <nums@google.com> --- tools/perf/tests/mmap-thread-lookup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c index 5ede9b561d32..b1abf4752f35 100644 --- a/tools/perf/tests/mmap-thread-lookup.c +++ b/tools/perf/tests/mmap-thread-lookup.c @@ -52,7 +52,7 @@ static void *thread_fn(void *arg) { struct thread_data *td = arg; ssize_t ret; - int go; + int go = 0; if (thread_init(td)) return NULL; -- 2.22.0.410.gd8fdbe21b5-goog
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