Dominique wrote:
> The attached file "crash.vim" causes > vim-8.1.55 and older to crash: > > $ vim --clean -S crash.vim > Vim: Caught deadly signal SEGV > Vim: preserving files... > Segmentation fault (core dump) > > (gdb) bt > #0 mch_print_text_out (p=0x0, p@entry=0x555555c1d3ce "\377", > len=<optimized out>, len@entry=1) at hardcopy.c:3535 > #1 0x00005555556254ab in hardcopy_line (ppos=<synthetic pointer>, > page_line=0, psettings=0x7fffffffc8f0) at hardcopy.c:942 > #2 ex_hardcopy (eap=0x7fffffffcb60) at hardcopy.c:778 > #3 0x00005555555ecbc2 in do_one_cmd (cookie=0x7fffffffd270, > fgetline=0x5555555df850 <getsourceline>, cstack=0x7fffffffcd00, > sourcing=1, cmdlinep=0x7fffffffcab0) at ex_docmd.c:2886 > #4 do_cmdline (cmdline=cmdline@entry=0x555555a21bf0 "i|ha", > fgetline=fgetline@entry=0x5555555df850 <getsourceline>, > cookie=cookie@entry=0x7fffffffd270, flags=flags@entry=7) at > ex_docmd.c:1040 > #5 0x00005555555dfe37 in do_source (fname=fname@entry=0x555555c1d493 > "/home/pel/crash.vim", check_other=check_other@entry=0, > is_vimrc=is_vimrc@entry=0) at ex_cmds2.c:4572 > #6 0x00005555555e0a61 in cmd_source (fname=0x555555c1d493 > "/home/pel/crash.vim", eap=<optimized out>) at ex_cmds2.c:4187 > #7 0x00005555555ecbc2 in do_one_cmd (cookie=0x0, fgetline=0x0, > cstack=0x7fffffffd700, sourcing=1, cmdlinep=0x7fffffffd4b0) at > ex_docmd.c:2886 > #8 do_cmdline (cmdline=<optimized out>, fgetline=<optimized out>, > cookie=<optimized out>, flags=<optimized out>) at ex_docmd.c:1040 > #9 0x0000555555766bd0 in exe_commands (parmp=0x555555a0e3c0 <params>) > at main.c:2937 > #10 vim_main2 () at main.c:812 > #11 0x0000555555585b0d in main (argc=<optimized out>, argv=<optimized > out>) at main.c:443 > > (gdb) p p > $2 = (char_u *) 0x0 > > Doing a bisection, I found that it's a > regression introduced by patch 8.0.1503 > which removed a check for string_convert(...) > returning NULL. > > Attached patch fixes it. Thanks! > I did not write a test as I did not see how to automate it. I'll add a test. > Bug was found by fuzzing vim with afl-fuzz. -- hundred-and-one symptoms of being an internet addict: 47. You are so familiar with the WWW that you find the search engines useless. /// 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]. For more options, visit https://groups.google.com/d/optout.
