Based on the details in bug 755146, this is a use-after-free crash (MALLOC_PERTURB_=85 caused the deref memory as 0x55555555...)
** Changed in: compiz (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. https://bugs.launchpad.net/bugs/740897 Title: compiz crashed with SIGSEGV in g_source_unref() -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs