binder_bpBinderFuzz: log socket unlink failure

A spurious, rare failure in this fuzzer can be
disambiguated by knowing if unlink fails.

Fixes: 346502426
Test: run binder_bpBinderFuzz
Change-Id: Idf5d884537a004c6308bc905c166f4949c31bd74

1 files changed, 3 insertions, 1 deletions

diff --git a/libs/binder/tests/unit_fuzzers/BpBinderFuzz.cpp b/libs/binder/tests/unit_fuzzers/BpBinderFuzz.cpp
index a6fd487fe5..bc0d5af66f 100644
--- a/libs/binder/tests/unit_fuzzers/BpBinderFuzz.cpp
+++ b/libs/binder/tests/unit_fuzzers/BpBinderFuzz.cpp
@@ -36,7 +36,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp(data, size);
 
     std::string addr = std::string(getenv("TMPDIR") ?: "/tmp") + "/binderRpcBenchmark";
-    (void)unlink(addr.c_str());
+    if (0 != unlink(addr.c_str()) && errno != ENOENT) {
+        LOG(WARNING) << "Could not unlink: " << strerror(errno);
+    }
 
     sp<RpcServer> server = RpcServer::make();