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Fix off-by-one check that can lead to a memory overflow in ecpg.

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Patch by Liu Huailing <liuhuailing@cn.fujitsu.com>
This commit is contained in:
Michael Meskes
2019-04-11 20:56:17 +02:00
parent d3cf886e31
commit 67f6e645e7
1 changed files with 1 additions and 1 deletions
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2
src/interfaces/ecpg/preproc/pgc.l
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@ -1412,7 +1412,7 @@ parse_include(void)
for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next) for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next)
{ {
if (strlen(ip->path) + strlen(yytext) + 3 > MAXPGPATH) if (strlen(ip->path) + strlen(yytext) + 4 > MAXPGPATH)
{ {
fprintf(stderr, _("Error: include path \"%s/%s\" is too long on line %d, skipping\n"), ip->path, yytext, yylineno); fprintf(stderr, _("Error: include path \"%s/%s\" is too long on line %d, skipping\n"), ip->path, yytext, yylineno);
continue; continue;