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backend-headless: fully release pango and fontconfig

Pekka Paalanen requested to merge pq/weston:mr/pangoleak into main

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).

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