Public bug reported: The console output: ``` $ gthumb
** (gthumb:87867): WARNING **: 10:55:43.072: Invalid thumbnailer: missing Exec key ** (gthumb:87867): WARNING **: 10:55:43.072: Invalid thumbnailer: missing Exec key ** (gthumb:87867): WARNING **: 10:55:43.096: Invalid thumbnailer: missing Exec key ** (gthumb:87867): WARNING **: 10:55:43.096: Invalid thumbnailer: missing Exec key realloc(): invalid pointer Aborted (core dumped) ``` Console output when I did strace: ``` $ strace -o gthumb.strace.txt gthumb ** (gthumb:89344): WARNING **: 10:57:58.057: Invalid thumbnailer: missing Exec key ** (gthumb:89344): WARNING **: 10:57:58.058: Invalid thumbnailer: missing Exec key ** (gthumb:89344): WARNING **: 10:57:58.098: Invalid thumbnailer: missing Exec key ** (gthumb:89344): WARNING **: 10:57:58.099: Invalid thumbnailer: missing Exec key free(): invalid next size (fast) Aborted (core dumped) ``` I have turned off the "Exec key" of evince thumbnailer if it matter. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gthumb 3:3.8.0-2.1build1 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.6 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: LXDE Date: Tue Aug 18 10:56:22 2020 EcryptfsInUse: Yes SourcePackage: gthumb UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: gthumb (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ** Attachment added: "gthumb.strace.txt" https://bugs.launchpad.net/bugs/1891991/+attachment/5402389/+files/gthumb.strace.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891991 Title: gthumb crashes ("realloc(): invalid pointer" or "free(): invalid next size (fast)") (Ubuntu 20.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gthumb/+bug/1891991/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs