[Tarantool-patches] [PATCH luajit 2/2] cmake: running tests under Valgrind, disable tests that failed under Valgrind

[mandesero--- via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

From: mandesero <mandesero@gmail.com>

---
 .github/actions/setup-sanitizers/action.yml |  2 +-
 .github/workflows/sanitizers-testing.yml    | 53 +++++++++++++++++++++
 src/lj_no_str_opt.supp                      | 16 +++++++
 test/CMakeLists.txt                         |  6 ++-
 test/tarantool-tests/CMakeLists.txt         | 17 +++++++
 5 files changed, 92 insertions(+), 2 deletions(-)
 create mode 100644 src/lj_no_str_opt.supp

diff --git a/.github/actions/setup-sanitizers/action.yml b/.github/actions/setup-sanitizers/action.yml
index 8642d553..53f95075 100644
--- a/.github/actions/setup-sanitizers/action.yml
+++ b/.github/actions/setup-sanitizers/action.yml
@@ -20,7 +20,7 @@ runs:
     - name: Install build and test dependencies
       run: |
         apt -y update
-        apt -y install ${CC_NAME} libstdc++-10-dev cmake ninja-build make perl
+        apt -y install ${CC_NAME} libstdc++-10-dev cmake ninja-build make perl valgrind
       shell: bash
       env:
         CC_NAME: ${{ inputs.cc_name }}
diff --git a/.github/workflows/sanitizers-testing.yml b/.github/workflows/sanitizers-testing.yml
index 154ebe40..85ccf580 100644
--- a/.github/workflows/sanitizers-testing.yml
+++ b/.github/workflows/sanitizers-testing.yml
@@ -93,3 +93,56 @@ jobs:
           "
         run: cmake --build . --parallel --target LuaJIT-test
         working-directory: ${{ env.BUILDDIR }}
+
+
+  test-valgrind:
+    strategy:
+      fail-fast: false
+      matrix:
+        # XXX: Let's start with only Linux/x86_64
+        BUILDTYPE: [Debug, Release]
+        CC: [gcc-10, clang-11]
+        include:
+          - BUILDTYPE: Debug
+            CMAKEFLAGS: -DCMAKE_BUILD_TYPE=Debug -DLUA_USE_ASSERT=ON -DLUA_USE_APICHECK=ON
+          - BUILDTYPE: Release
+            CMAKEFLAGS: -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    runs-on: [self-hosted, regular, Linux, x86_64]
+    name: >
+      LuaJIT with Valgrind (Linux/x86_64)
+      ${{ matrix.BUILDTYPE }}
+      CC:${{ matrix.CC }}
+      GC64:ON SYSMALLOC:ON
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+      - name: setup Linux for sanitizers
+        uses: ./.github/actions/setup-sanitizers
+        with:
+          cc_name: ${{ matrix.CC }}
+      - name: configure
+        # XXX: LuaJIT configuration requires a couple of tweaks:
+        # LUAJIT_USE_SYSMALLOC=ON: Valgrind requires the use of
+        #   a system-provided memory allocator (realloc) instead
+        #   of the built-in memory allocator.
+        #   configuration phase with -DLUAJIT_USE_SYSMALLOC=ON).
+        #   For more info, see root CMakeLists.txt.
+        # LUAJIT_ENABLE_GC64=ON: LUAJIT_USE_SYSMALLOC cannot be
+        #   enabled on x64 without GC64, since realloc usually
+        #   doesn't return addresses in the right address range.
+        #   For more info, see root CMakeLists.txt.
+        run: >
+          cmake -S . -B ${{ env.BUILDDIR }}
+          -G Ninja
+          ${{ matrix.CMAKEFLAGS }}
+          -DLUAJIT_USE_VALGRIND=ON
+          -DLUAJIT_USE_SYSMALLOC=ON
+          -DLUAJIT_ENABLE_GC64=ON
+      - name: build
+        run: cmake --build . --parallel
+        working-directory: ${{ env.BUILDDIR }}
+      - name: test
+        run: cmake --build . --parallel --target LuaJIT-test
+        working-directory: ${{ env.BUILDDIR }}
\ No newline at end of file
diff --git a/src/lj_no_str_opt.supp b/src/lj_no_str_opt.supp
new file mode 100644
index 00000000..1ec470f8
--- /dev/null
+++ b/src/lj_no_str_opt.supp
@@ -0,0 +1,16 @@
+# Valgrind suppression file for LuaJIT 2.0.
+{
+   Optimized string compare
+   Memcheck:Addr4
+   fun:lj_str_new
+}
+{
+   Optimized string compare
+   Memcheck:Addr1
+   fun:lj_str_new
+}
+{
+   Optimized string compare
+   Memcheck:Cond
+   fun:lj_str_new
+}
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 19726f5a..fc2791f6 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -71,7 +71,11 @@ add_custom_target(${PROJECT_NAME}-lint DEPENDS
   ${PROJECT_NAME}-codespell
 )
 
-set(LUAJIT_TEST_COMMAND "${LUAJIT_TEST_BINARY} -e dofile[[${LUAJIT_TEST_INIT}]]")
+if(LUAJIT_USE_VALGRIND)
+  set(LUAJIT_TEST_COMMAND "valgrind --suppressions=${CMAKE_SOURCE_DIR}/src/lj_no_str_opt.supp ${LUAJIT_TEST_BINARY} -e dofile[[${LUAJIT_TEST_INIT}]]")
+else()
+  set(LUAJIT_TEST_COMMAND "${LUAJIT_TEST_BINARY} -e dofile[[${LUAJIT_TEST_INIT}]]")
+endif()
 separate_arguments(LUAJIT_TEST_COMMAND)
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
diff --git a/test/tarantool-tests/CMakeLists.txt b/test/tarantool-tests/CMakeLists.txt
index d7c96078..ac09e993 100644
--- a/test/tarantool-tests/CMakeLists.txt
+++ b/test/tarantool-tests/CMakeLists.txt
@@ -121,9 +121,26 @@ add_test_suite_target(tarantool-tests
   DEPENDS ${LUAJIT_TEST_DEPS} tarantool-tests-libs
 )
 
+# Tests are disabled as they fail with Valgrind enabled due to SIGPROF
+# signals from the profiler or exceeding the maximum test duration time.
+list(APPEND valgrind_excluded_tests
+  "gh-5688-tool-cli-flag.test.lua"
+  "gh-5813-resolving-of-c-symbols.test.lua"
+  "gh-7264-add-proto-trace-sysprof-default.test.lua"
+  "gh-7745-oom-on-trace.test.lua"
+  "lj-1034-tabov-error-frame.test.lua"
+  "lj-512-profiler-hook-finalizers.test.lua"
+  "lj-726-profile-flush-close.test.lua"
+  "misclib-sysprof-lapi.test.lua"
+)
+
 file(GLOB_RECURSE tests ${CMAKE_CURRENT_SOURCE_DIR} "*${LUA_TEST_SUFFIX}")
 foreach(test_path ${tests})
   get_filename_component(test_name ${test_path} NAME)
+  list(FIND valgrind_excluded_tests ${test_name} test_index)
+  if(LUAJIT_USE_VALGRIND AND NOT test_index EQUAL -1)
+    continue()
+  endif()
   set(test_title "test/${TEST_SUITE_NAME}/${test_name}")
   add_test(NAME ${test_title}
     COMMAND ${LUAJIT_TEST_COMMAND} ${test_path}
-- 
2.34.1