preparing patch release and fixing issue 722

.github/workflows/ubuntu-ci.yml

@@ -22,7 +22,7 @@ jobs:
         run: |
           mkdir build
           cd build
-          cmake -DCMAKE_INSTALL_PREFIX:PATH=destination -DENABLE_ROARING_TESTS=ON ..
+          cmake -DCMAKE_INSTALL_PREFIX:PATH=destination -DENABLE_ROARING_TESTS=ON  -DROARING_UNSAFE_FROZEN_TESTS=ON ..
           cmake --build .
           ctest . --output-on-failure
           cmake --install . 
@@ -31,7 +31,7 @@ jobs:
         run: |
           mkdir builddebug
           cd builddebug
-          cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=destination -DENABLE_ROARING_TESTS=ON ..
+          cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=destination -DENABLE_ROARING_TESTS=ON -DROARING_UNSAFE_FROZEN_TESTS=ON ..
           cmake --build .
           ctest . --output-on-failure
           cmake --install . 

.github/workflows/vs17-ci.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Configure
         run: |
           mkdir build
-          cd build && cmake -DENABLE_ROARING_TESTS=ON -G "${{matrix.gen}}" -A ${{matrix.arch}}  ..
+          cd build && cmake -DENABLE_ROARING_TESTS=ON  -DROARING_UNSAFE_FROZEN_TESTS=ON -G "${{matrix.gen}}" -A ${{matrix.arch}}  ..
       - name: Build
         run: cmake --build build --config Release
       - name: Run basic tests

CMakeLists.txt

@@ -20,8 +20,8 @@ endif()
 set(ROARING_LIB_NAME roaring)
 set(PROJECT_VERSION_MAJOR 4)
 set(PROJECT_VERSION_MINOR 3)
-set(PROJECT_VERSION_PATCH 5)
-set(ROARING_LIB_VERSION "4.3.5" CACHE STRING "Roaring library version")
+set(PROJECT_VERSION_PATCH 6)
+set(ROARING_LIB_VERSION "4.3.6" CACHE STRING "Roaring library version")
 set(ROARING_LIB_SOVERSION "18" CACHE STRING "Roaring library soversion")
 
 option(ROARING_EXCEPTIONS "Enable exception-throwing interface" ON)
@@ -48,6 +48,7 @@ option(ROARING_BUILD_C_TESTS_AS_CPP "Build test C files using C++ compilation" O
 option(ROARING_SANITIZE "Sanitize addresses" OFF)
 option(ROARING_SANITIZE_THREADS "Sanitize threads" OFF)
 option(ROARING_SANITIZE_UNDEFINED "Sanitize undefined behaviors" OFF)
+option(ROARING_UNSAFE_FROZEN_TESTS "If ON, tests some frozen functions which are unsafe as they include unaligned reads, this can cause crashes" OFF)
 
 option(ENABLE_ROARING_TESTS "If OFF, disable unit tests altogether" ON)
 if(NOT ENABLE_ROARING_TESTS)

cpp/roaring/roaring64map.hh

@@ -1249,6 +1249,9 @@ class Roaring64Map {
             });
     }
 
+    /**
+     * For advanced users only.
+     */
     static const Roaring64Map frozenView(const char *buf) {
         // size of bitmap buffer and key
         const size_t metadata_size = sizeof(size_t) + sizeof(uint32_t);
@@ -1284,6 +1287,10 @@ class Roaring64Map {
         return result;
     }
 
+    /**
+     * For advanced users only. This function is unsafe in the sense that
+     * that it may trigger unaligned memory access. Use with caution.
+     */
     static const Roaring64Map portableDeserializeFrozen(const char *buf) {
         Roaring64Map result;
         // get map size

doxygen

@@ -48,7 +48,7 @@ PROJECT_NAME           = "CRoaring"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "4.3.5"
+PROJECT_NUMBER         = "4.3.6"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

include/roaring/roaring_version.h

@@ -2,11 +2,11 @@
 // /include/roaring/roaring_version.h automatically generated by release.py, do not change by hand
 #ifndef ROARING_INCLUDE_ROARING_VERSION
 #define ROARING_INCLUDE_ROARING_VERSION
-#define ROARING_VERSION "4.3.5"
+#define ROARING_VERSION "4.3.6"
 enum {
     ROARING_VERSION_MAJOR = 4,
     ROARING_VERSION_MINOR = 3,
-    ROARING_VERSION_REVISION = 5
+    ROARING_VERSION_REVISION = 6
 };
 #endif // ROARING_INCLUDE_ROARING_VERSION
 // clang-format on

tests/CMakeLists.txt

@@ -1,9 +1,7 @@
-### This code is buggy because it does not ensure that all variables have been defined :
-#set (TEST_DATA_DIR "${CMAKE_CURRENT_SOURCE_DIR}/testdata/")
-#configure_file ("${CMAKE_CURRENT_SOURCE_DIR}/config.h.in"
-#                "${CMAKE_CURRENT_SOURCE_DIR}/config.h")
-
 
+if(ROARING_UNSAFE_FROZEN_TESTS)
+  add_compile_definitions(ROARING_UNSAFE_FROZEN_TESTS=1)
+endif()
 add_cpp_test(cpp_unit)
 add_cpp_test(cpp_random_unit)
 add_cpp_test(cpp_example1)

tests/cpp_unit.cpp

@@ -1476,6 +1476,9 @@ DEFINE_TEST(test_cpp_frozen_64) {
     roaring_aligned_free(buf);
 }
 
+#if ROARING_UNSAFE_FROZEN_TESTS
+// This test is unsafe, as it may trigger unaligned memory access
+// It is only enabled if ROARING_UNSAFE_FROZEN_TESTS is defined.
 DEFINE_TEST(test_cpp_frozen_portable) {
     const uint64_t s = 65536;
 
@@ -1548,7 +1551,11 @@ DEFINE_TEST(test_cpp_frozen_portable) {
 
     free(buf);
 }
+#endif  // ROARING_UNSAFE_FROZEN_TESTS
 
+#if ROARING_UNSAFE_FROZEN_TESTS
+// This test is unsafe, as it may trigger unaligned memory access
+// It is only enabled if ROARING_UNSAFE_FROZEN_TESTS is defined.
 DEFINE_TEST(test_cpp_frozen_64_portable) {
     const uint64_t s = 65536;
 
@@ -1611,6 +1618,7 @@ DEFINE_TEST(test_cpp_frozen_64_portable) {
 
     free(buf);
 }
+#endif  // ROARING_UNSAFE_FROZEN_TESTS
 
 DEFINE_TEST(test_cpp_flip) {
     {
@@ -2207,8 +2215,10 @@ int main() {
         cmocka_unit_test(test_cpp_bidirectional_iterator_64),
         cmocka_unit_test(test_cpp_frozen),
         cmocka_unit_test(test_cpp_frozen_64),
+#if ROARING_UNSAFE_FROZEN_TESTS
         cmocka_unit_test(test_cpp_frozen_portable),
         cmocka_unit_test(test_cpp_frozen_64_portable),
+#endif  // ROARING_UNSAFE_FROZEN_TESTS
         cmocka_unit_test(test_cpp_flip),
         cmocka_unit_test(test_cpp_flip_closed),
         cmocka_unit_test(test_cpp_flip_64),

tests/toplevel_unit.c

@@ -4562,6 +4562,9 @@ DEFINE_TEST(test_frozen_serialization_max_containers) {
     frozen_serialization_compare(r);
 }
 
+#if ROARING_UNSAFE_FROZEN_TESTS
+// This test is unsafe, as it may trigger unaligned memory access
+// It is only enabled if ROARING_UNSAFE_FROZEN_TESTS is defined.
 DEFINE_TEST(test_portable_deserialize_frozen) {
     roaring_bitmap_t *r1 =
         roaring_bitmap_from(1, 2, 3, 100, 1000, 10000, 1000000, 20000000);
@@ -4655,6 +4658,7 @@ DEFINE_TEST(test_portable_deserialize_frozen) {
     roaring_bitmap_free(r2);
     free(serialized);
 }
+#endif  // ROARING_UNSAFE_FROZEN_TESTS
 
 DEFINE_TEST(convert_to_bitset) {
     roaring_bitmap_t *r1 = roaring_bitmap_create();
@@ -4981,7 +4985,9 @@ int main() {
 #if !CROARING_IS_BIG_ENDIAN
         cmocka_unit_test(test_frozen_serialization),
         cmocka_unit_test(test_frozen_serialization_max_containers),
+#if ROARING_UNSAFE_FROZEN_TESTS
         cmocka_unit_test(test_portable_deserialize_frozen),
+#endif  // ROARING_UNSAFE_FROZEN_TESTS
         cmocka_unit_test(issue_15jan2024),
 #endif
     };