CI: suppress leak checks for libfontconfig

For posterity, the reported leak is:
  =================================================================
  ==14034==ERROR: LeakSanitizer: detected memory leaks

  Direct leak of 256 byte(s) in 1 object(s) allocated from:
      #0 0x7ff0354c190f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
      #1 0x7ff03523e61f in FcPatternObjectInsertElt /root/fontconfig/src/fcpat.c:525
      #2 0x7ff035240846 in FcPatternObjectAddWithBinding /root/fontconfig/src/fcpat.c:711
      #3 0x7ff035245970 in FcPatternAppend /root/fontconfig/src/fcpat.c:1262
      #4 0x7ff035270c77 in FcParsePattern /root/fontconfig/src/fcxml.c:3110
      #5 0x7ff035271292 in FcEndElement /root/fontconfig/src/fcxml.c:3236
      #6 0x7ff02b099354  (/lib/x86_64-linux-gnu/libxml2.so.2+0x17d354)

  Indirect leak of 32 byte(s) in 1 object(s) allocated from:
      #0 0x7ff0354c12d7 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77
      #1 0x7ff035239d8b in FcValueListCreate /root/fontconfig/src/fcpat.c:136
      #2 0x7ff035240433 in FcPatternObjectAddWithBinding /root/fontconfig/src/fcpat.c:687
      #3 0x7ff035245970 in FcPatternAppend /root/fontconfig/src/fcpat.c:1262
      #4 0x7ff035270c77 in FcParsePattern /root/fontconfig/src/fcxml.c:3110
      #5 0x7ff035271292 in FcEndElement /root/fontconfig/src/fcxml.c:3236
      #6 0x7ff02b099354  (/lib/x86_64-linux-gnu/libxml2.so.2+0x17d354)

  SUMMARY: AddressSanitizer: 288 byte(s) leaked in 2 allocation(s).

xref: https://gitlab.freedesktop.org/fontconfig/fontconfig/-/issues/295#note_1033797

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7602056656d84eec34701b674009886e37e75f74..03f87237bc4d29ee8864a44c2276d0e32ec40cb7 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1177,6 +1177,8 @@ ubuntu-22.10-cmake-ASan-test-including-ctest:
         - export CXXFLAGS="-g -fno-omit-frame-pointer -fsanitize=address,undefined -fno-sanitize-recover=address,undefined"
         - export LDFLAGS="-g -fno-omit-frame-pointer -fsanitize=address,undefined -fno-sanitize-recover=address,undefined"
         - export UBSAN_OPTIONS=print_stacktrace=1
+        - echo 'leak:*libfontconfig*' > suppressions.txt
+        - export LSAN_OPTIONS=suppressions=$(pwd)/suppressions.txt
         - python3 gen_version.py --output GRAPHVIZ_VERSION
     needs:
         - job: "ubuntu-22.10-cmake-ASan-build-for-ctest"