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Commit 091e62c0 authored by Steven Moreland's avatar Steven Moreland Committed by Automerger Merge Worker
Browse files

Merge "Add tmp file to ramdom_fd for parcel fuzzing" into main am: e69355e4 am: 976b126f 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2748135



Change-Id: I397acaaaf61413bddc7334cc14872f17c7f5b20c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 539f6b01 976b126f

libs/binder/tests/parcel_fuzzer/random_fd.cpp

+59 −34
Original line number Diff line number Diff line
@@ -29,8 +29,8 @@ std::vector<unique_fd> getRandomFds(FuzzedDataProvider* provider) { 
    const char* fdType;



    std::vector<unique_fd> fds = provider->PickValueInArray<

            std::function<std::vector<unique_fd>()>>({

            [&]() {

            std::function<std::vector<unique_fd>()>>(

            {[&]() {

                 fdType = "ashmem";

                 std::vector<unique_fd> ret;

                 ret.push_back(unique_fd(
@@ -62,6 +62,31 @@ std::vector<unique_fd> getRandomFds(FuzzedDataProvider* provider) { 
                 ret.push_back(unique_fd(pipefds[1]));

                 return ret;

             },

             [&]() {

                 fdType = "tempfd";

                 char name[PATH_MAX];

#if defined(__ANDROID__)

                 snprintf(name, sizeof(name), "/data/local/tmp/android-tempfd-test-%d-XXXXXX",

                          getpid());

#else

                 snprintf(name, sizeof(name), "/tmp/android-tempfd-test-%d-XXXXXX", getpid());

#endif

                 int fd = mkstemp(name);

                 CHECK_NE(fd, -1) << "Failed to create file " << name << ", errno: " << errno;

                 unlink(name);

                 if (provider->ConsumeBool()) {

                     CHECK_NE(TEMP_FAILURE_RETRY(

                                      ftruncate(fd,

                                                provider->ConsumeIntegralInRange<size_t>(0, 4096))),

                              -1)

                             << "Failed to truncate file, errno: " << errno;

                 }



                 std::vector<unique_fd> ret;

                 ret.push_back(unique_fd(fd));

                 return ret;

             }



            })();



    for (const auto& fd : fds) CHECK(fd.ok()) << fd.get() << " " << fdType;