From: blino@mandriva.com <blino@mandriva.com>
Date: Wed, 12 Mar 2008 02:59:45 +0000 (-0700)
Subject: [perl #51636] segmentation fault with array ties
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=b63c7c552a2e9cf2b2c5eb492358b8567fd16179;p=p5sagit%2Fp5-mst-13.2.git

[perl #51636] segmentation fault with array ties
From: blino@mandriva.com (via RT) <perlbug-followup@perl.org>
Message-ID: <rt-3.6.HEAD-25460-1205315984-377.51636-75-0@perl.org>

p4raw-id: //depot/perl@33495
---

diff --git a/av.c b/av.c
index e6c26bc..67ffad9 100644
--- a/av.c
+++ b/av.c
@@ -437,7 +437,7 @@ Perl_av_clear(pTHX_ register AV *av)
     /* Give any tie a chance to cleanup first */
     if (SvRMAGICAL(av)) {
 	const MAGIC* const mg = SvMAGIC(av);
-	if (PL_delaymagic && mg->mg_type == PERL_MAGIC_isa)
+	if (PL_delaymagic && mg && mg->mg_type == PERL_MAGIC_isa)
 	    PL_delaymagic |= DM_ARRAY;
         else
 	    mg_clear((SV*)av);