Zap another buffer overflow, this time in the parser.

MFC after: 2 weeks
svn path=/head/; revision=106294
2002-11-01 12:09:05 +00:00 · 2002-11-01 12:09:05 +00:00 · 92d2efaaca · 2020-12-20 02:59:44 +00:00
commit 92d2efaaca
parent c26c35e7d9
1 changed files with 2 additions and 0 deletions
--- a/usr.bin/mkstr/mkstr.c
+++ b/usr.bin/mkstr/mkstr.c
@ -191,6 +191,8 @@ copystr(void)
 	char *cp = buf;

 	for (;;) {
+		if (cp == buf + sizeof(buf) - 2)
+			errx(1, "message too long");
 		c = getchar();
 		if (c == EOF)
 			break;