The buffer returned by dso__demangle_sym may be NULL, don't segv in
strcmp if this happens. Currently this happens for NO_LIBELF=1 builds.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/tests/demangle-java-test.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/perf/tests/demangle-java-test.c b/tools/perf/tests/demangle-java-test.c
index ebaf60cdfa99..0fb3e5a4a0ed 100644
--- a/tools/perf/tests/demangle-java-test.c
+++ b/tools/perf/tests/demangle-java-test.c
@@ -30,6 +30,11 @@ static int test__demangle_java(struct test_suite *test __maybe_unused, int subte
for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
buf = dso__demangle_sym(/*dso=*/NULL, /*kmodule=*/0, test_cases[i].mangled);
+ if (!buf) {
+ pr_debug("FAILED to demangle: \"%s\"\n \"%s\"\n", test_cases[i].mangled,
+ test_cases[i].demangled);
+ continue;
+ }
if (strcmp(buf, test_cases[i].demangled)) {
pr_debug("FAILED: %s: %s != %s\n", test_cases[i].mangled,
buf, test_cases[i].demangled);
--
2.49.0.1238.gf8c92423fb-goog