Description of problem: When a child window opens, for example the window that opens prompting a location to store a file being downloaded. Version-Release number of selected component (if applicable): firefox-54.0-2.fc27.x86_64 How reproducible: Set downloads preferences to "Always ask you where to save files" Attempt to download any file Actual results: Firefox immediately crashes as the child window is launched Expected results: select a download location and save the file Additional info: Jul 12 07:47:17 angrypenguin firefox.desktop[5677]: OKFailed to open curl lib from binary, use libcurl.so instead Jul 12 07:47:13 angrypenguin firefox.desktop[5677]: ExceptionHandler::WaitForContinueSignal waiting for continue signal... Jul 12 07:47:13 angrypenguin firefox.desktop[5677]: ExceptionHandler::SendContinueSignalToChild sent continue signal to child Jul 12 07:47:13 angrypenguin firefox.desktop[5677]: ExceptionHandler::GenerateDump cloned child 5939
Created attachment 1296936 [details] systemd-coredump log
Same problem. Crash seems to occur only when prompting for a file name. Opening a print window does not cause FF to crash. However, print-to-file crashes FF. Downloading a file does not cause a crash if I save to my preset default location and don't try to rename the file.
*** This bug has been marked as a duplicate of bug 1472819 ***