Yegappan wrote:
> When generating a spell file using the ":mkspell" command, > I am running into a heap buffer overflow (with the ASAN build): > > To reproduce this problem, save the following content to > a file (x.vim): > ------------------------------------------------------------------------------------- > call writefile(['1', 'work'], 'Xtest.dic') > call writefile(['SOFOFROM abcd', 'SOFOTO ABCD', 'SAL CIA X'], 'Xtest.aff') > mkspell! Xtest.spl Xtest > ------------------------------------------------------------------------------------- > > Now run the command "vim --clean -N -u NONE -i NONE -S x.vim" I can also find it with valgrind. Looks like we need to remember the length of the bytes buffer, so we can avoid going over the end. -- Ten bugs in the hand is better than one as yet undetected. /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/202008241802.07OI2ZdI1290096%40masaka.moolenaar.net.
