Merge pull request #5868 from rouault/memleak_fixes_7_4

Backport of memory leak fixes

Author: rouault

.travis.yml

@@ -4,12 +4,30 @@ branches:
 
 dist: trusty
 language: php
-php:
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
-  - 7.3
+
+matrix:
+  include:
+
+    - php: 5.6
+      env:
+        - BUILD_NAME=PHP_5.6
+
+    - php: 7.0
+      env:
+        - BUILD_NAME=PHP_7.0
+
+    - php: 7.1
+      env:
+        - BUILD_NAME=PHP_7.1
+
+    - php: 7.2
+      env:
+        - BUILD_NAME=PHP_7.2_WITH_ASAN
+
+    - php: 7.3
+      env:
+        - BUILD_NAME=PHP_7.3
+
 cache:
     apt: true
     directories:
@@ -54,47 +72,13 @@ compiler:
   - clang
 
 before_install:
-  - sudo mv /etc/apt/sources.list.d/pgdg* /tmp
-  - dpkg -l | grep postgresql
-  - dpkg -l | grep postgis
-  - sudo apt-get remove postgresql*
-  - sudo add-apt-repository -y ppa:ubuntugis/ppa
-  - sudo add-apt-repository -y ppa:ubuntugis/ubuntugis-testing
-  - sudo apt-get update
-  - sudo apt-get install --allow-unauthenticated protobuf-c-compiler libprotobuf-c0-dev bison flex python-lxml libfribidi-dev cmake librsvg2-dev colordiff libpq-dev libpng12-dev libjpeg-dev libgif-dev libgeos-dev libgd2-xpm-dev libfreetype6-dev libfcgi-dev libcurl4-gnutls-dev libcairo2-dev libgdal1-dev libproj-dev libxml2-dev python-dev libexempi-dev lcov lftp postgis libharfbuzz-dev gdal-bin ccache
-  - sudo apt-get install --allow-unauthenticated libmono-system-drawing4.0-cil mono-mcs
-  - sudo apt-get install --allow-unauthenticated php5-dev || sudo apt-get install --allow-unauthenticated php7-dev
-  - sudo apt-get install --allow-unauthenticated libperl-dev
-  - sudo pip install git+git://github.com/tbonfort/cpp-coveralls.git@extensions
-  # install swig 3.0.12 (defaults to 2.0.11 on trusty)
-  - wget http://prdownloads.sourceforge.net/swig/swig-3.0.12.tar.gz
-  - export CC="ccache gcc"
-  - export CXX="ccache g++"
-  - tar xf swig-3.0.12.tar.gz
-  - cd swig-3.0.12 && ./configure --prefix=/usr && make -j2 && sudo make install
-  - swig -version
-  - cd ..
-  - cd msautotest
-  - ./create_postgis_test_data.sh
-  - python -m SimpleHTTPServer &> /dev/null &
-  - cd ..
-  - touch maplexer.l
-  - touch mapparser.y
-
+  - ./ci/travis/before_install.sh
 
 script:
-  - export CC="ccache gcc"
-  - export CXX="ccache g++"
-  - make cmakebuild MFLAGS="-j2"
-  - make mspython-wheel
-  - make -j4 test
+  - ./ci/travis/script.sh
 
 after_success:
-# Only run coverage when it is safe to do so (not on pull requests), and only on master branch
-  - echo "$TRAVIS_SECURE_ENV_VARS"
-  - echo "$TRAVIS_BRANCH"
-  - sh -c 'if test "$TRAVIS_SECURE_ENV_VARS" = "true" -a "$TRAVIS_BRANCH" = "master"; then echo "run coverage"; ./run_code_coverage_upload.sh; fi'
-  - coveralls --exclude renderers --exclude mapscript --exclude apache --exclude build/mapscript/mapscriptJAVA_wrap.c --exclude build/mapscript/mapscriptPYTHON_wrap.c --exclude shp2img.c --exclude legend.c --exclude scalebar.c --exclude msencrypt.c --exclude sortshp.c --exclude shptreevis.c --exclude shptree.c --exclude testexpr.c --exclude sym2img.c --exclude testcopy.c --exclude shptreetst.c --exclude tile4ms.c --extension .c --extension .cpp
+  - ./ci/travis/after_success.sh
 
 notifications:
   email:

Makefile

@@ -1,4 +1,4 @@
-AUTOTEST_OPTS=-strict -q
+AUTOTEST_OPTS?=-strict -q
 PHP_MAPSCRIPT=build/mapscript/php/php_mapscript.so
 PYTHON_MAPSCRIPT_PATH=build/mapscript/python
 JAVA_MAPSCRIPT_PATH=build/mapscript/java
@@ -7,11 +7,11 @@ PERL_MAPSCRIPT_PATH=build/mapscript/perl
 BUILDPATH=../../build
 FLEX=flex
 YACC=yacc
-CMAKEFLAGS=-DCMAKE_C_FLAGS="--coverage" -DCMAKE_CXX_FLAGS="--coverage" \
+CMAKEFLAGS=-DCMAKE_C_FLAGS="--coverage ${CMAKE_C_FLAGS}" -DCMAKE_CXX_FLAGS="--coverage ${CMAKE_CXX_FLAGS}" \
 			  -DCMAKE_SHARED_LINKER_FLAGS="-lgcov" -DWITH_CLIENT_WMS=1 \
 			  -DWITH_CLIENT_WFS=1 -DWITH_KML=1 -DWITH_SOS=1 -DWITH_CSHARP=1 -DWITH_PHP=1 -DWITH_PERL=1 \
 			  -DWITH_PYTHON=1 -DWITH_JAVA=1 -DWITH_THREAD_SAFETY=1 -DWITH_FRIBIDI=1 -DWITH_FCGI=0 -DWITH_EXEMPI=1 \
-			  -DCMAKE_BUILD_TYPE=Release -DWITH_RSVG=1 -DWITH_CURL=1 -DWITH_HARFBUZZ=1 -DWITH_POINT_Z_M=1
+			  -DCMAKE_BUILD_TYPE=Release -DWITH_RSVG=1 -DWITH_CURL=1 -DWITH_HARFBUZZ=1 -DWITH_POINT_Z_M=1 ${EXTRA_CMAKEFLAGS}
 all: cmakebuild
 
 cmakebuild: lexer parser
@@ -69,6 +69,9 @@ test:  cmakebuild
 	@$(MAKE) $(MFLAGS)	csharp-testcase
 	@$(MAKE) $(MFLAGS)	perl-testcase
 
+asan_compatible_tests:  cmakebuild
+	@$(MAKE) $(MFLAGS)	wxs-testcase renderers-testcase misc-testcase gdal-testcase query-testcase
+	@./print-test-results.sh
 
 lexer: maplexer.c
 parser: mapparser.c

ci/travis/after_success.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+
+if [ "$BUILD_NAME" != "PHP_7.2_WITH_ASAN" ]; then
+    # Only run coverage when it is safe to do so (not on pull requests), and only on master branch
+    echo "$TRAVIS_SECURE_ENV_VARS"
+    echo "$TRAVIS_BRANCH"
+    sh -c 'if test "$TRAVIS_SECURE_ENV_VARS" = "true" -a "$TRAVIS_BRANCH" = "master"; then echo "run coverage"; ./run_code_coverage_upload.sh; fi'
+    coveralls --exclude renderers --exclude mapscript --exclude apache --exclude build/mapscript/mapscriptJAVA_wrap.c --exclude build/mapscript/mapscriptPYTHON_wrap.c --exclude shp2img.c --exclude legend.c --exclude scalebar.c --exclude msencrypt.c --exclude sortshp.c --exclude shptreevis.c --exclude shptree.c --exclude testexpr.c --exclude sym2img.c --exclude testcopy.c --exclude shptreetst.c --exclude tile4ms.c --extension .c --extension .cpp
+fi

ci/travis/before_install.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -eu
+
+sudo mv /etc/apt/sources.list.d/pgdg* /tmp
+dpkg -l | grep postgresql
+dpkg -l | grep postgis
+sudo apt-get remove postgresql*
+sudo add-apt-repository -y ppa:ubuntugis/ppa
+sudo add-apt-repository -y ppa:ubuntugis/ubuntugis-testing
+sudo apt-get update
+sudo apt-get install --allow-unauthenticated protobuf-c-compiler libprotobuf-c0-dev bison flex python-lxml libfribidi-dev cmake librsvg2-dev colordiff libpq-dev libpng12-dev libjpeg-dev libgif-dev libgeos-dev libgd2-xpm-dev libfreetype6-dev libfcgi-dev libcurl4-gnutls-dev libcairo2-dev libgdal1-dev libproj-dev libxml2-dev python-dev libexempi-dev lcov lftp postgis libharfbuzz-dev gdal-bin ccache
+sudo apt-get install --allow-unauthenticated libmono-system-drawing4.0-cil mono-mcs
+sudo apt-get install --allow-unauthenticated php5-dev || sudo apt-get install --allow-unauthenticated php7-dev
+sudo apt-get install --allow-unauthenticated libperl-dev
+sudo pip install git+git://github.com/tbonfort/cpp-coveralls.git@extensions
+# install swig 3.0.12 (defaults to 2.0.11 on trusty)
+wget http://prdownloads.sourceforge.net/swig/swig-3.0.12.tar.gz
+export CC="ccache gcc"
+export CXX="ccache g++"
+tar xf swig-3.0.12.tar.gz
+cd swig-3.0.12 && ./configure --prefix=/usr && make -j2 && sudo make install
+swig -version
+cd ..
+cd msautotest
+./create_postgis_test_data.sh
+python -m SimpleHTTPServer &> /dev/null &
+cd ..
+touch maplexer.l
+touch mapparser.y

ci/travis/script.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+set -eu
+
+if [ "$BUILD_NAME" = "PHP_7.2_WITH_ASAN" ]; then
+    export CC="ccache clang"
+    export CXX="ccache clang++"
+    # -DNDEBUG to avoid issues with cairo cleanup
+    make cmakebuild MFLAGS="-j2" CMAKE_C_FLAGS="-g -fsanitize=address -DNDEBUG" CMAKE_CXX_FLAGS="-g -fsanitize=address -DNDEBUG" EXTRA_CMAKEFLAGS="-DCMAKE_BUILD_TYPE=None -DCMAKE_EXE_LINKER_FLAGS=-fsanitize=address"
+    export AUTOTEST_OPTS="-q -strict -run_under_asan"
+    # Only run tests that only involve mapserv/shp2img binaries. mspython, etc would require LD_PREOLOAD'ing the asan shared object
+    make -j4 asan_compatible_tests
+else
+    export CC="ccache gcc"
+    export CXX="ccache g++"
+    make cmakebuild MFLAGS="-j2"
+    make mspython-wheel
+    make -j4 test
+fi

mapcopy.c

@@ -204,10 +204,12 @@ int msCopyFontSet(fontSetObj *dst, fontSetObj *src, mapObj *map)
 
 int msCopyExpression(expressionObj *dst, expressionObj *src)
 {
+  if((dst->type == MS_REGEX) && dst->compiled) ms_regfree(&(dst->regex));
+  dst->compiled = MS_FALSE;
+
   MS_COPYSTRING(dst->string, src->string);
   MS_COPYSTELEM(type);
   MS_COPYSTELEM(flags);
-  dst->compiled = MS_FALSE;
 
   return MS_SUCCESS;
 }

mapfile.c

@@ -6512,6 +6512,7 @@ static int loadMapInternal(mapObj *map)
         if(getInteger(&(map->imagequality)) == -1) return MS_FAILURE;
         break;
       case(IMAGETYPE):
+        msFree(map->imagetype);
         map->imagetype = getToken();
         break;
       case(INTERLACE):
@@ -6879,6 +6880,7 @@ int msUpdateMapFromURL(mapObj *map, char *variable, char *string)
 
           /* TODO: should validate or does msPostMapParseOutputFormatSetup() do enough? */
 
+          msFree(map->imagetype);
           map->imagetype = getToken();
           msPostMapParseOutputFormatSetup( map );
           break;

mapgdal.c

@@ -105,10 +105,6 @@ void msGDALCleanup( void )
     while( iRepeat-- )
       CPLPopErrorHandler();
 
-#if GDAL_RELEASE_DATE > 20021001
-    GDALDestroyDriverManager();
-#endif
-
     msReleaseLock( TLOCK_GDAL );
 
     bGDALInitialized = 0;

maplabel.c

@@ -251,8 +251,11 @@ int msAddLabelGroup(mapObj *map, imageObj *image, layerObj* layer, int classinde
     msPopulateTextSymbolForLabelAndString(ts,lbl,annotext,layerPtr->scalefactor,image->resolutionfactor, 1);
 
     if(annotext && *annotext && lbl->autominfeaturesize && featuresize > 0) {
-      if(UNLIKELY(MS_FAILURE == msComputeTextPath(map,ts)))
+      if(UNLIKELY(MS_FAILURE == msComputeTextPath(map,ts))) {
+        freeTextSymbol(ts);
+        free(ts);
         return MS_FAILURE;
+      }
       if(featuresize < (ts->textpath->bounds.bbox.maxx - ts->textpath->bounds.bbox.minx)) {
         /* feature is too big to be drawn, skip it */
         freeTextSymbol(ts);

maplayer.c

@@ -2106,7 +2106,7 @@ msINLINELayerInfo;
 
 int msINLINELayerIsOpen(layerObj *layer)
 {
-  if (layer->currentfeature)
+  if (layer->layerinfo)
     return(MS_TRUE);
   else
     return(MS_FALSE);