Patch 8.0.1409
Problem: Buffer overflow in :tags command.
Solution: Use vim_snprintf(). (Dominique Pelle, closes #2471, closes #2475)
Add a test.
Files: src/testdir/test_taglist.vim, src/tag.c
*** ../vim-8.0.1408/src/testdir/test_taglist.vim 2017-04-07
20:30:24.192092760 +0200
--- src/testdir/test_taglist.vim 2017-12-19 10:46:27.077164796 +0100
***************
*** 1,4 ****
! " test 'taglist' function
func Test_taglist()
call writefile([
--- 1,4 ----
! " test 'taglist' function and :tags command
func Test_taglist()
call writefile([
***************
*** 56,58 ****
--- 56,63 ----
call delete('Xtags')
endfunc
+
+ func Test_tags_too_long()
+ call assert_fails('tag ' . repeat('x', 1020), 'E426')
+ tags
+ endfunc
*** ../vim-8.0.1408/src/tag.c 2017-10-26 16:42:12.353737032 +0200
--- src/tag.c 2017-12-19 10:46:06.793241196 +0100
***************
*** 1130,1136 ****
continue;
msg_putchar('\n');
! sprintf((char *)IObuff, "%c%2d %2d %-15s %5ld ",
i == tagstackidx ? '>' : ' ',
i + 1,
tagstack[i].cur_match + 1,
--- 1130,1136 ----
continue;
msg_putchar('\n');
! vim_snprintf((char *)IObuff, IOSIZE, "%c%2d %2d %-15s %5ld ",
i == tagstackidx ? '>' : ' ',
i + 1,
tagstack[i].cur_match + 1,
*** ../vim-8.0.1408/src/version.c 2017-12-19 10:22:15.126320001 +0100
--- src/version.c 2017-12-19 10:43:16.914086097 +0100
***************
*** 773,774 ****
--- 773,776 ----
{ /* Add new patch number below this line */
+ /**/
+ 1409,
/**/
--
You cannot have a baby in one month by getting nine women pregnant.
/// 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 ///
--
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