https://bugzilla.redhat.com/show_bug.cgi?id=748384#c4 Backtrace: https://bugzilla.redhat.com/attachment.cgi?id=529776 Originally reported about 3.7.9, reproducable with 3.7.10: 1. put a single message into a local folder, a normal text/plain one will suffice 2. select the message 3. open the mimeview parts viewer with the '<' button right of the message view 4. drag'n'drop a part other than the first one (message/rfc822) to somewhere, e.g. drag the text/plain part into an editor/filemanager 5. Trash/delete the message 6. try drag'n'drop in the _empty_ mimeview parts window area -> crash There may be other/similar test-cases, which would also lead to mimeview_start_drag running into a NULL ptr.
Created attachment 1034 [details] possible fix This untested patch may fix the issue, as done in other invocations of mimeview_get_selected_part.
Changes related to this bug have been committed. Please check latest CVS and update the bug accordingly. You can also get the patch from: http://www.colino.net/claws-mail/ 2011-10-25 [colin] 3.7.10cvs47 * src/mimeview.c Fix bug #2529, 'crash in mimeview_start_drag after deleting message'. Patch by Ricardo