New comment by sgn on void-packages repository https://github.com/void-linux/void-packages/pull/32358#issuecomment-895314130 Comment: ``` rendering/task.h:227:11: runtime error: member call on address 0x7ffa3e282dd8 which does not point to an object of type 'synfig::Token' 0x7ffa3e282dd8: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/task.h:227:11 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in rendering/software/task/../../task.h:259:22: runtime error: member call on address 0x7ffa3e285120 which does not point to an object of type 'synfig::rendering::ModeToken' 0x7ffa3e285120: note: object has invalid vptr 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ invalid vptr SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rendering/software/task/../../task.h:259:22 in synfig(4256) [15:18:34] warning: Cannot open ./synfig_modules.cfg synfig(4256) [15:18:34] warning: Cannot open /tmp/.local/share/synfig/synfig_modules.cfg valuenode_registry.cpp:85:9: runtime error: call to function (unknown) through pointer to incorrect function type 'synfig::LinkableValueNode *(*)(const synfig::ValueBase &, etl::loose_handle)' (/lib/libsynfig.so.0+0x2520c20): note: (unknown) defined here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior valuenode_registry.cpp:85:9 in synfig(4256) [15:18:34] warning: Can't replace a null valuenode synfig(4256) [15:18:34] warning: Can't replace a null valuenode UndefinedBehaviorSanitizer:DEADLYSIGNAL ==4256==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address (pc 0x7ffa39d003f0 bp 0x563d068d2ef8 sp 0x7ffd70aa3180 T4256) ==4256==The signal is caused by a READ memory access. ==4256==Hint: this fault was caused by a dereference of a high value address (see register values below). Disassemble the provided pc to learn which register was used. #0 0x7ffa39d003f0 (/lib/libstdc++.so.6+0xe43f0) UndefinedBehaviorSanitizer can not provide additional info. SUMMARY: UndefinedBehaviorSanitizer: SEGV (/lib/libstdc++.so.6+0xe43f0) ==4256==ABORTING ```