summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorRiccardo Mancini <rickyman7@gmail.com>2021-07-15 18:07:06 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-07-15 17:25:24 -0300
commit0967ebffe098157180a0bbd180ac90348c6e07d7 (patch)
tree14e4aebf165757b0e85bf5a15fe19076db0d6139 /tools
parent83d1fc92d4cdd1ea2d229347ddf11ea2aa751059 (diff)
perf inject: Fix dso->nsinfo refcounting
ASan reports a memory leak of nsinfo during the execution of: # perf test "31: Lookup mmap thread" The leak is caused by a refcounted variable being replaced without dropping the refcount. This patch makes sure that the refcnt of nsinfo is decreased when a refcounted variable is replaced with a new value. Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Fixes: 27c9c3424fc217da ("perf inject: Add --buildid-all option") Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/55223bc8821b34ccb01f92ef1401c02b6a32e61f.1626343282.git.rickyman7@gmail.com [ Split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-inject.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 5d6f583e2cd3..ffd2b25039e3 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -361,9 +361,10 @@ static struct dso *findnew_dso(int pid, int tid, const char *filename,
dso = machine__findnew_dso_id(machine, filename, id);
}
- if (dso)
+ if (dso) {
+ nsinfo__put(dso->nsinfo);
dso->nsinfo = nsi;
- else
+ } else
nsinfo__put(nsi);
thread__put(thread);