Fixes ASan reported leaks:
Direct leak of 256 byte(s) in 1 object(s) allocated from:
#0 0x7f8266f2d330 in __interceptor_malloc (/lib/x86_64-linux-gnu/libasan.so.5+0xe9330)
#1 0x7f8266c8589a (/lib/x86_64-linux-gnu/libpixman-1.so.0+0x5089a)
#2 0x7f8266c4ea77 (/lib/x86_64-linux-gnu/libpixman-1.so.0+0x19a77)
#3 0x55fa7818f8e8 in load_png ../../git/weston/shared/image-loader.c:297
#4 0x55fa7819039e in load_image ../../git/weston/shared/image-loader.c:423
#5 0x55fa78187b3e in load_cairo_surface ../../git/weston/shared/cairo-util.c:354
#6 0x55fa7815ff8a in background_draw ../../git/weston/clients/desktop-shell.c:779
#7 0x55fa7817b2c2 in widget_redraw ../../git/weston/clients/window.c:4520
#8 0x55fa7817b831 in surface_redraw ../../git/weston/clients/window.c:4578
#9 0x55fa7817b9a7 in idle_redraw ../../git/weston/clients/window.c:4607
#10 0x55fa78184ea4 in display_run ../../git/weston/clients/window.c:6527
#11 0x55fa781646fb in main ../../git/weston/clients/desktop-shell.c:1556
#12 0x7f826659709a in __libc_start_main ../csu/libc-start.c:308
#13 0x55fa7815c0a9 in _start (/home/pq/build/weston-meson/clients/weston-desktop-shell+0x120a9)
Indirect leak of 8024 byte(s) in 1 object(s) allocated from:
#0 0x7f8266f2d330 in __interceptor_malloc (/lib/x86_64-linux-gnu/libasan.so.5+0xe9330)
#1 0x55fa7818f5e7 in load_png ../../git/weston/shared/image-loader.c:275
#2 0x55fa7819039e in load_image ../../git/weston/shared/image-loader.c:423
#3 0x55fa78187b3e in load_cairo_surface ../../git/weston/shared/cairo-util.c:354
#4 0x55fa7815ff8a in background_draw ../../git/weston/clients/desktop-shell.c:779
#5 0x55fa7817b2c2 in widget_redraw ../../git/weston/clients/window.c:4520
#6 0x55fa7817b831 in surface_redraw ../../git/weston/clients/window.c:4578
#7 0x55fa7817b9a7 in idle_redraw ../../git/weston/clients/window.c:4607
#8 0x55fa78184ea4 in display_run ../../git/weston/clients/window.c:6527
#9 0x55fa781646fb in main ../../git/weston/clients/desktop-shell.c:1556
#10 0x7f826659709a in __libc_start_main ../csu/libc-start.c:308
#11 0x55fa7815c0a9 in _start (/home/pq/build/weston-meson/clients/weston-desktop-shell+0x120a9)
from the command
ASAN_OPTIONS=fast_unwind_on_malloc=0,malloc_context_size=50 \
LSAN_OPTIONS=suppressions=/home/pq/git/weston/.gitlab-ci/leak-sanitizer.supp \
./tests/test-viewporter test_viewporter_bad_source_rect
by recording the pixman image as user data so it can be freed when the
surface is destroyed.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>