commit 04c90eb5cdfd0f4487dabc589defba5579ada09a
author Pawan Wagh <waghpawan@google.com> Mon Aug 14 21:31:43 2023 +0000
committer Pawan Wagh <waghpawan@google.com> Mon Aug 14 22:25:01 2023 +0000
tree ad89525db498ad560fe255b3dec3dbad56d030b3
parent 6cd02207585f51063a5f21aa2f05d0b6627fecd9

Updating fuzzService with IBinder transact codes

Using transaction codes defined in IBinder with B_PACK_CHARS
so that these functions can be easily covered in fuzzing.

Test: atest -c fuzz_service_test
Test: atest -c binderRecordReplayTest
Bug: 295191685
Change-Id: Ic6bd5b22d943c38343e177794bdff3b991f8103b

libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp

diff --git a/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp b/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
index 47d2a0a..93ac116 100644
--- a/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
+++ b/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
@@ -60,8 +60,15 @@
 
     while (provider.remaining_bytes() > 0) {
         // Most of the AIDL services will have small set of transaction codes.
-        uint32_t code = provider.ConsumeBool() ? provider.ConsumeIntegral<uint32_t>()
-                                               : provider.ConsumeIntegralInRange<uint32_t>(0, 100);
+        // TODO(b/295942369) : Add remaining transact codes from IBinder.h
+        uint32_t code = provider.ConsumeBool()
+                ? provider.ConsumeIntegral<uint32_t>()
+                : provider.PickValueInArray<int64_t>(
+                          {provider.ConsumeIntegralInRange<uint32_t>(0, 100),
+                           IBinder::DUMP_TRANSACTION, IBinder::PING_TRANSACTION,
+                           IBinder::SHELL_COMMAND_TRANSACTION, IBinder::INTERFACE_TRANSACTION,
+                           IBinder::SYSPROPS_TRANSACTION, IBinder::EXTENSION_TRANSACTION,
+                           IBinder::TWEET_TRANSACTION, IBinder::LIKE_TRANSACTION});
         uint32_t flags = provider.ConsumeIntegral<uint32_t>();
         Parcel data;
         // for increased fuzz coverage