git: dcae96578145 - stable/14 - MFC jail: make sure jail.conf parse errors exit, and not crash. Reported by: Mason Loring Bliss

The branch stable/14 has been updated by jamie:

URL: https://cgit.FreeBSD.org/src/commit/?id=dcae9657814544c4ac2c28bec0022346eb7c587f

commit dcae9657814544c4ac2c28bec0022346eb7c587f
Author:     Jamie Gritton <jamie@FreeBSD.org>
AuthorDate: 2024-01-21 05:20:59 +0000
Commit:     Jamie Gritton <jamie@FreeBSD.org>
CommitDate: 2024-02-02 16:44:20 +0000

    MFC jail: make sure jail.conf parse errors exit, and not crash.
    Reported by:    Mason Loring Bliss
    
    (cherry picked from commit 768149ff156e7d34a035853030bf946ca94cb461)
---
 usr.sbin/jail/jailparse.y | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/usr.sbin/jail/jailparse.y b/usr.sbin/jail/jailparse.y
index 047ca882e59f..048cfcf11c2b 100644
--- a/usr.sbin/jail/jailparse.y
+++ b/usr.sbin/jail/jailparse.y
@@ -234,16 +234,19 @@ extern int YYLEX_DECL();
 static void
 YYERROR_DECL()
 {
+	struct cflex *cflex = yyget_extra(scanner);
+
 	if (!yyget_text(scanner))
 		warnx("%s line %d: %s",
-		    yyget_extra(scanner)->cfname, yyget_lineno(scanner), s);
+		    cflex->cfname, yyget_lineno(scanner), s);
 	else if (!yyget_text(scanner)[0])
 		warnx("%s: unexpected EOF",
-		    yyget_extra(scanner)->cfname);
+		    cflex->cfname);
 	else
 		warnx("%s line %d: %s: %s",
-		    yyget_extra(scanner)->cfname, yyget_lineno(scanner),
+		    cflex->cfname, yyget_lineno(scanner),
 		    yyget_text(scanner), s);
+	cflex->error = 1;
 }
 
 /* Handle special parameters (i.e. the include directive).