==29320== 4,176 (512 direct, 3,664 indirect) bytes in 1 blocks are definitely lost in loss record 21,097 of 21,732
==29320== at 0x4C2C29E: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==29320== by 0x9B8FCFA: ??? (in /usr/lib/libfontconfig.so.1.9.0)
==29320== by 0x9B904C9: ??? (in /usr/lib/libfontconfig.so.1.9.0)
==29320== by 0x9B907EF: FcPatternAddInteger (in /usr/lib/libfontconfig.so.1.9.0)
==29320== by 0x6D85281: ??? (in /usr/lib/libcairo.so.2.11400.2)
==29320== by 0x643844F: ??? (in /usr/lib/libpangocairo-1.0.so.0.3600.8)
==29320== by 0x9967871: ??? (in /usr/lib/libpangoft2-1.0.so.0.3600.8)
==29320== by 0x996646C: ??? (in /usr/lib/libpangoft2-1.0.so.0.3600.8)
==29320== by 0x665915E: ??? (in /usr/lib/libpango-1.0.so.0.3600.8)
==29320== by 0x665C9CE: pango_layout_line_get_extents (in /usr/lib/libpango-1.0.so.0.3600.8)
==29320== by 0x665EBEE: ??? (in /usr/lib/libpango-1.0.so.0.3600.8)
==29320== by 0x665EE99: ??? (in /usr/lib/libpango-1.0.so.0.3600.8)
==29320== by 0x5A75B33: gtk_label_get_preferred_layout_size (gtklabel.c:3661)
==29320== by 0x5A75B33: gtk_label_get_preferred_size (gtklabel.c:3718)
==29320== by 0x5A76084: gtk_label_get_preferred_height_and_baseline_for_width (gtklabel.c:3923)
==29320== by 0x5B14013: gtk_widget_query_size_for_orientation (gtksizerequest.c:214)
==29320== by 0x5B1426E: gtk_widget_compute_size_for_orientation (gtksizerequest.c:390)
==29320== by 0x5B1454D: gtk_widget_get_preferred_height_and_baseline_for_width (gtksizerequest.c:639)
==29320== by 0x59314C0: gtk_alignment_get_preferred_size (gtkalignment.c:662)
==29320== by 0x59314FA: gtk_alignment_get_preferred_height_and_baseline_for_width (gtkalignment.c:737)
==29320== by 0x5B14013: gtk_widget_query_size_for_orientation (gtksizerequest.c:214)
Хотя я нигде не переопределял gtk_widget_get_preferred_*...
