CI: Add in sanitizer runs for 32 and 64 bits

.github/workflows/main.yml

@@ -108,6 +108,7 @@ jobs:
           west sdk install --install-base=zephyrproject/../ -t x86_64-zephyr-elf
           cd ../../
           deactivate
+
   pre-commit:
     runs-on: ubuntu-latest
     steps:
@@ -116,6 +117,7 @@ jobs:
         with:
           python-version: 3.x
       - uses: pre-commit/action@v3.0.1
+
   scan-build:
     runs-on: ubuntu-latest
     steps:
@@ -128,6 +130,7 @@ jobs:
         run: |
           ./configure --disable-documentation --disable-doxygen --disable-man --enable-examples --enable-tests --disable-dtls
           scan-build --status-bugs make V=0
+
   check-missing-updates:
     runs-on: ubuntu-latest
     steps:
@@ -142,6 +145,7 @@ jobs:
       - name: check
         run: |
           scripts/check-missing-updates.sh
+
   build-linux:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -188,6 +192,7 @@ jobs:
           cd build-${{matrix.TLS}}-${{matrix.CC}}
           libtool --mode=execute valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression tests/testdriver
           examples/coap-server -? 2>&1 | head -10
+
   build-linux2:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -235,6 +240,34 @@ jobs:
           cd build-${{matrix.TLS}}-${{matrix.CC}}-${{matrix.OSCORE_ONLY}}
           libtool --mode=execute valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression tests/testdriver
           examples/coap-server -? 2>&1 | head -10
+
+  build-linux-sanitizer:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        BITS: ["32", "64" ]
+    steps:
+      - uses: actions/checkout@v6
+      - name: setup
+        run: |
+          sudo dpkg --add-architecture i386
+          sudo apt-get update && sudo apt-get install -y libcunit1-dev libtool libtool-bin exuberant-ctags build-essential libc6-dev-i386 libcunit1-dev:i386
+          ./autogen.sh
+      - name: configure-32
+        if: matrix.BITS == '32'
+        run: |
+          $GITHUB_WORKSPACE/configure --disable-silent-rules --disable-documentation --enable-examples --enable-tests --disable-dtls --enable-sanitizer --build=i386
+      - name: configure-64
+        if: matrix.BITS == '64'
+        run: |
+          $GITHUB_WORKSPACE/configure --disable-silent-rules --disable-documentation --enable-examples --enable-tests --disable-dtls --enable-sanitizer
+      - name: compile
+        run: |
+          make EXTRA_CFLAGS=-Werror
+      - name: tests
+        run: |
+          tests/testdriver
+
   tinydtls-build:
     runs-on: ubuntu-latest
     steps:
@@ -254,6 +287,7 @@ jobs:
       - name: test
         run: |
           LD_LIBRARY_PATH=ext/tinydtls libtool --mode=execute valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression tests/testdriver
+
   cmake-build:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -299,6 +333,7 @@ jobs:
           cd $GITHUB_WORKSPACE/build-${{matrix.TLS}}-cmake
           valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression ./testdriver
           ./coap-server -? 2>&1 | head -10
+
   cmake-build2:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -345,6 +380,7 @@ jobs:
           cd $GITHUB_WORKSPACE/build-${{matrix.TLS}}-${{matrix.OSCORE_ONLY}}-cmake
           valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression ./testdriver
           ./coap-server -? 2>&1 | head -10
+
   cmake-macos:
     runs-on: macos-latest
 
@@ -361,6 +397,7 @@ jobs:
       run: |
         cd build_test
         cmake --build .
+
   contiki-build-macos:
     runs-on: macos-latest
 
@@ -373,6 +410,7 @@ jobs:
     - name: compile
       run: |
         gmake -C examples/contiki
+
   other-build:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -430,6 +468,7 @@ jobs:
       - name: compile
         run: |
           make -C examples/${{matrix.OS}} EXTRA_CFLAGS=-Werror
+
   ms-build:
     runs-on: windows-latest
 
@@ -446,6 +485,7 @@ jobs:
       - name: Build sln
         shell: cmd
         run: call .\scripts\msbuild.sln.cmd
+
   ms-cmake:
     runs-on: windows-latest
     steps:
@@ -466,6 +506,7 @@ jobs:
       run: |
         cd build_test
         cmake --build .
+
   mingw-cmake:
     runs-on: windows-latest
     strategy:
@@ -544,6 +585,7 @@ jobs:
       - name: installation check
         run: |
           make install && ls -lR $GITHUB_WORKSPACE/test-install
+
   distribution-tarball:
     needs: do-caches
     runs-on: ubuntu-latest
@@ -571,6 +613,7 @@ jobs:
           cd build-dist
           make dist
           cp -f libcoap-*.tar.bz2 ${{ runner.temp }}
+
   distribution-builds:
     needs: distribution-tarball
     runs-on: ubuntu-latest

configure.ac

@@ -1027,16 +1027,16 @@ if test "x$build_gcov" = "xyes"; then
 fi
 
 # configure options
-# __sanitize__
-AC_ARG_ENABLE([sanitize],
-              [AS_HELP_STRING([--enable-sanitize],
+# __sanitizer__
+AC_ARG_ENABLE([sanitizer],
+              [AS_HELP_STRING([--enable-sanitizer],
                               [Enable building with sanitize=address,undefined coverage support [default=no]])],
-              [build_sanitize="$enableval"],
-              [build_sanitize="no"])
+              [build_sanitizer="$enableval"],
+              [build_sanitizer="no"])
 
 SAN_CFLAGS=
 SAN_LIBS=
-if test "x$build_sanitize" = "xyes"; then
+if test "x$build_sanitizer" = "xyes"; then
    AX_CHECK_COMPILE_FLAG([-fsanitize=address,undefined], [SAN_CFLAGS="-fsanitize=address,undefined"])
    SAN_LIBS="$SAN_CFLAGS"
    AX_CHECK_COMPILE_FLAG([-fno-omit-frame-pointer], [SAN_CFLAGS="$SAN_CFLAGS -fno-omit-frame-pointer"])
@@ -1383,7 +1383,7 @@ AC_MSG_CHECKING([operating system])
 # The "ADDITIONAL_CFLAGS" is needed as this is a stand-alone definition
 # for the doxygen part.
 case $host in
-    i386-pc-none)
+    *386-pc-none)
     AC_MSG_RESULT([Linux 32bit])
     ADDITIONAL_CFLAGS="-D_GNU_SOURCE -m32"
     LIBCOAP_NAME_SUFFIX=$LIBCOAP_NAME_SUFFIX-32
@@ -1745,10 +1745,10 @@ if test "x$enable_static" = "xyes"; then
 else
     AC_MSG_RESULT([      build static library           : "no"])
 fi
-if test "x$enable_sanitize" = "xyes"; then
-    AC_MSG_RESULT([      build with sanitize            : "yes"])
+if test "x$enable_sanitizer" = "xyes"; then
+    AC_MSG_RESULT([      build with sanitizer           : "yes"])
 else
-    AC_MSG_RESULT([      build with sanitize            : "no"])
+    AC_MSG_RESULT([      build with sanitizer           : "no"])
 fi
 
 mkdir -p include/coap$LIBCOAP_API_VERSION