backend-headless: fully release pango and fontconfig
In the color-icc-output test, this fixes the following ASan reports:
Direct leak of 6912 byte(s) in 27 object(s) allocated from:
#0 0x7f36bf0a9e8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x7f36bd9c2704 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20704)
#2 0x7f36bd9c2dc8 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20dc8)
#3 0x7f36bd9c439c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2239c)
#4 0x7f36bd9cb24c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2924c)
#5 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#6 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#7 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#8 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#9 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#10 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#11 0x7f36bd9c977c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2777c)
#12 0x7f36bd9c9c9e (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27c9e)
#13 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#14 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#15 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#16 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#17 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#18 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#19 0x7f36bd9bb507 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19507)
#20 0x7f36bd9bb766 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19766)
#21 0x7f36bd9ad926 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xb926)
#22 0x7f36bd9af8c6 in FcConfigSubstituteWithPat (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xd8c6)
#23 0x7f36ba21caae (/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0+0xbaae)
#24 0x7f36b9b8a6df (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xc6df)
#25 0x7f36b9b88bd9 (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xabd9)
#26 0x7f36b9db218d (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2418d)
#27 0x7f36b9db313b (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2513b)
#28 0x7f36b9db39aa (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x259aa)
#29 0x7f36b9db84c8 (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a4c8)
#30 0x7f36b9db8702 in pango_layout_get_pixel_extents (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a702)
#31 0x7f36ba05fbb3 in theme_render_frame ../../git/weston/shared/cairo-util.c:586
#32 0x7f36ba06c7b7 in frame_repaint ../../git/weston/shared/frame.c:1071
#33 0x7f36ba07191b in weston_gl_borders_update ../../git/weston/libweston/gl-borders.c:81
#34 0x7f36ba0544c3 in headless_output_update_gl_border ../../git/weston/libweston/backend-headless/headless.c:150
#35 0x7f36ba0545a3 in headless_output_repaint ../../git/weston/libweston/backend-headless/headless.c:165
#36 0x7f36bea58238 in weston_output_repaint ../../git/weston/libweston/compositor.c:3115
#37 0x7f36bea5921d in weston_output_maybe_repaint ../../git/weston/libweston/compositor.c:3186
#38 0x7f36bea5a100 in output_repaint_timer_handler ../../git/weston/libweston/compositor.c:3267
#39 0x7f36beee6766 in wl_timer_heap_dispatch ../../git/wayland/src/event-loop.c:526
#40 0x7f36beee6766 in wl_event_loop_dispatch ../../git/wayland/src/event-loop.c:1020
#41 0x7f36beee41d4 in wl_display_run ../../git/wayland/src/wayland-server.c:1431
#42 0x7f36bfaa3dc3 in wet_main ../../git/weston/compositor/main.c:4080
#43 0x557d4f1e1703 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:410
#44 0x557d4f1ebd43 in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:534
#45 0x557d4f1c8568 in fixture_setup ../../git/weston/tests/color-icc-output-test.c:462
#46 0x557d4f1c861f in fixture_setup_run_ ../../git/weston/tests/color-icc-output-test.c:464
#47 0x557d4f1ec92e in main ../../git/weston/tests/weston-test-runner.c:682
#48 0x7f36bda4ed09 in __libc_start_main ../csu/libc-start.c:308
#49 0x557d4f1c5a89 in _start (/home/pq/build/weston-meson/tests/test-color-icc-output+0x3da89)
Indirect leak of 1696 byte(s) in 53 object(s) allocated from:
#0 0x7f36bf0aa037 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154
#1 0x7f36bd9c2d48 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20d48)
#2 0x7f36bd9c439c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2239c)
#3 0x7f36bd9cb24c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2924c)
#4 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#5 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#6 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#7 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#8 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#9 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#10 0x7f36bd9c977c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2777c)
#11 0x7f36bd9c9c9e (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27c9e)
#12 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#13 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#14 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#15 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#16 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#17 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#18 0x7f36bd9bb507 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19507)
#19 0x7f36bd9bb766 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19766)
#20 0x7f36bd9ad926 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xb926)
#21 0x7f36bd9af8c6 in FcConfigSubstituteWithPat (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xd8c6)
#22 0x7f36ba21caae (/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0+0xbaae)
#23 0x7f36b9b8a6df (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xc6df)
#24 0x7f36b9b88bd9 (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xabd9)
#25 0x7f36b9db218d (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2418d)
#26 0x7f36b9db313b (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2513b)
#27 0x7f36b9db39aa (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x259aa)
#28 0x7f36b9db84c8 (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a4c8)
#29 0x7f36b9db8702 in pango_layout_get_pixel_extents (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a702)
#30 0x7f36ba05fbb3 in theme_render_frame ../../git/weston/shared/cairo-util.c:586
#31 0x7f36ba06c7b7 in frame_repaint ../../git/weston/shared/frame.c:1071
#32 0x7f36ba07191b in weston_gl_borders_update ../../git/weston/libweston/gl-borders.c:81
#33 0x7f36ba0544c3 in headless_output_update_gl_border ../../git/weston/libweston/backend-headless/headless.c:150
#34 0x7f36ba0545a3 in headless_output_repaint ../../git/weston/libweston/backend-headless/headless.c:165
#35 0x7f36bea58238 in weston_output_repaint ../../git/weston/libweston/compositor.c:3115
#36 0x7f36bea5921d in weston_output_maybe_repaint ../../git/weston/libweston/compositor.c:3186
#37 0x7f36bea5a100 in output_repaint_timer_handler ../../git/weston/libweston/compositor.c:3267
#38 0x7f36beee6766 in wl_timer_heap_dispatch ../../git/wayland/src/event-loop.c:526
#39 0x7f36beee6766 in wl_event_loop_dispatch ../../git/wayland/src/event-loop.c:1020
#40 0x7f36beee41d4 in wl_display_run ../../git/wayland/src/wayland-server.c:1431
#41 0x7f36bfaa3dc3 in wet_main ../../git/weston/compositor/main.c:4080
#42 0x557d4f1e1703 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:410
#43 0x557d4f1ebd43 in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:534
#44 0x557d4f1c8568 in fixture_setup ../../git/weston/tests/color-icc-output-test.c:462
#45 0x557d4f1c861f in fixture_setup_run_ ../../git/weston/tests/color-icc-output-test.c:464
#46 0x557d4f1ec92e in main ../../git/weston/tests/weston-test-runner.c:682
#47 0x7f36bda4ed09 in __libc_start_main ../csu/libc-start.c:308
#48 0x557d4f1c5a89 in _start (/home/pq/build/weston-meson/tests/test-color-icc-output+0x3da89)
Indirect leak of 537 byte(s) in 52 object(s) allocated from:
#0 0x7f36bf057817 in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:452
#1 0x7f36bd9c1fa4 in FcValueSave (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x1ffa4)
#2 0x7f36bd9c2d5d (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20d5d)
#3 0x7f36bd9c439c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2239c)
#4 0x7f36bd9cb24c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2924c)
#5 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#6 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#7 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#8 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#9 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#10 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#11 0x7f36bd9c977c (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2777c)
#12 0x7f36bd9c9c9e (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27c9e)
#13 0x7f36bd29c4a9 (/lib/x86_64-linux-gnu/libexpat.so.1+0xc4a9)
#14 0x7f36bd29ada7 (/lib/x86_64-linux-gnu/libexpat.so.1+0xada7)
#15 0x7f36bd29ba59 (/lib/x86_64-linux-gnu/libexpat.so.1+0xba59)
#16 0x7f36bd29f8b0 in XML_ParseBuffer (/lib/x86_64-linux-gnu/libexpat.so.1+0xf8b0)
#17 0x7f36bd9c9152 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x27152)
#18 0x7f36bd9c956b (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2756b)
#19 0x7f36bd9bb507 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19507)
#20 0x7f36bd9bb766 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0x19766)
#21 0x7f36bd9ad926 (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xb926)
#22 0x7f36bd9af8c6 in FcConfigSubstituteWithPat (/lib/x86_64-linux-gnu/libfontconfig.so.1+0xd8c6)
#23 0x7f36ba21caae (/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0+0xbaae)
#24 0x7f36b9b8a6df (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xc6df)
#25 0x7f36b9b88bd9 (/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0+0xabd9)
#26 0x7f36b9db218d (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2418d)
#27 0x7f36b9db313b (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2513b)
#28 0x7f36b9db39aa (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x259aa)
#29 0x7f36b9db84c8 (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a4c8)
#30 0x7f36b9db8702 in pango_layout_get_pixel_extents (/lib/x86_64-linux-gnu/libpango-1.0.so.0+0x2a702)
#31 0x7f36ba05fbb3 in theme_render_frame ../../git/weston/shared/cairo-util.c:586
#32 0x7f36ba06c7b7 in frame_repaint ../../git/weston/shared/frame.c:1071
#33 0x7f36ba07191b in weston_gl_borders_update ../../git/weston/libweston/gl-borders.c:81
#34 0x7f36ba0544c3 in headless_output_update_gl_border ../../git/weston/libweston/backend-headless/headless.c:150
#35 0x7f36ba0545a3 in headless_output_repaint ../../git/weston/libweston/backend-headless/headless.c:165
#36 0x7f36bea58238 in weston_output_repaint ../../git/weston/libweston/compositor.c:3115
#37 0x7f36bea5921d in weston_output_maybe_repaint ../../git/weston/libweston/compositor.c:3186
#38 0x7f36bea5a100 in output_repaint_timer_handler ../../git/weston/libweston/compositor.c:3267
#39 0x7f36beee6766 in wl_timer_heap_dispatch ../../git/wayland/src/event-loop.c:526
#40 0x7f36beee6766 in wl_event_loop_dispatch ../../git/wayland/src/event-loop.c:1020
#41 0x7f36beee41d4 in wl_display_run ../../git/wayland/src/wayland-server.c:1431
#42 0x7f36bfaa3dc3 in wet_main ../../git/weston/compositor/main.c:4080
#43 0x557d4f1e1703 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:410
#44 0x557d4f1ebd43 in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:534
#45 0x557d4f1c8568 in fixture_setup ../../git/weston/tests/color-icc-output-test.c:462
#46 0x557d4f1c861f in fixture_setup_run_ ../../git/weston/tests/color-icc-output-test.c:464
#47 0x557d4f1ec92e in main ../../git/weston/tests/weston-test-runner.c:682
#48 0x7f36bda4ed09 in __libc_start_main ../csu/libc-start.c:308
#49 0x557d4f1c5a89 in _start (/home/pq/build/weston-meson/tests/test-color-icc-output+0x3da89)
SUMMARY: AddressSanitizer: 9145 byte(s) leaked in 132 allocation(s).