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Merge pull request #2874 from cremno/fix-parser-oob-write

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Coverity: fix oob write by actually truncating buffer
This commit is contained in:
Yukihiro "Matz" Matsumoto
2015-07-03 15:03:45 +09:00
parent b071dcd4fb 24583a7a18
commit 1dbb2b74d3
1 changed files with 5 additions and 2 deletions
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mrbgems/mruby-compiler/core/parse.y
+5 -2
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@@ -3604,10 +3604,13 @@ toklast(parser_state *p)
static void
tokfix(parser_state *p)
{
if (p->bidx >= MRB_PARSER_BUF_SIZE) {
int i = p->bidx, imax = MRB_PARSER_BUF_SIZE - 1;
if (i > imax) {
i = imax;
yyerror(p, "string too long (truncated)");
}
p->buf[p->bidx] = '\0';
p->buf[i] = '\0';
}
static const char*