Given that the crash occurred in malloc, this sounds like arena corruption rather than an XCB bug.
-- [apport] gnome-panel crashed with SIGSEGV https://bugs.launchpad.net/bugs/96901 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs