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Commit ceab40a0 authored by Tri Vo's avatar Tri Vo Committed by Automerger Merge Worker
Browse files

Merge "Trusty: Move tipc fuzzer connection to end of iteration" am: afe3212a 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1675366

Change-Id: I1b99ebb2b7a727962ecb8d57f268dffa77e6791f
parents f34e4382 afe3212a

trusty/fuzz/include/trusty/fuzz/utils.h

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ class TrustyApp { 
    android::base::Result<void> Connect();

    android::base::Result<void> Read(void* buf, size_t len);

    android::base::Result<void> Write(const void* buf, size_t len);

    void Disconnect();



    android::base::Result<int> GetRawFd();

trusty/fuzz/tipc_fuzzer.cpp

+11 −15
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ using android::trusty::fuzz::TrustyApp; 
#error "Binary file name must be parameterized using -DTRUSTY_APP_FILENAME."

#endif



static TrustyApp kTrustyApp(TIPC_DEV, TRUSTY_APP_PORT);

static std::unique_ptr<CoverageRecord> record;



extern "C" int LLVMFuzzerInitialize(int* /* argc */, char*** /* argv */) {
@@ -52,8 +53,7 @@ extern "C" int LLVMFuzzerInitialize(int* /* argc */, char*** /* argv */) { 
    }



    /* Make sure lazy-loaded TAs have started and connected to coverage service. */

    TrustyApp ta(TIPC_DEV, TRUSTY_APP_PORT);

    auto ret = ta.Connect();

    auto ret = kTrustyApp.Connect();

    if (!ret.ok()) {

        std::cerr << ret.error() << std::endl;

        exit(-1);
@@ -79,22 +79,18 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 
    ExtraCounters counters(record.get());

    counters.Reset();



    TrustyApp ta(TIPC_DEV, TRUSTY_APP_PORT);

    auto ret = ta.Connect();

    if (!ret.ok()) {

        std::cerr << ret.error() << std::endl;

        android::trusty::fuzz::Abort();

    auto ret = kTrustyApp.Write(data, size);

    if (ret.ok()) {

        ret = kTrustyApp.Read(&buf, sizeof(buf));

    }



    ret = ta.Write(data, size);

    // Reconnect to ensure that the service is still up

    kTrustyApp.Disconnect();

    ret = kTrustyApp.Connect();

    if (!ret.ok()) {

        return -1;

    }



    ret = ta.Read(&buf, sizeof(buf));

    if (!ret.ok()) {

        return -1;

        std::cerr << ret.error() << std::endl;

        android::trusty::fuzz::Abort();

    }



    return 0;

    return ret.ok() ? 0 : -1;

}

trusty/fuzz/utils.cpp

+4 −0
Original line number Diff line number Diff line
@@ -127,6 +127,10 @@ Result<int> TrustyApp::GetRawFd() { 
    return ta_fd_;

}



void TrustyApp::Disconnect() {

    ta_fd_.reset();

}



void Abort() {

    PrintTrustyLog();

    exit(-1);