From: Nicholas Clark <nick@ccl4.org>
Date: Sun, 13 Jul 2008 04:04:31 +0000 (+0000)
Subject: assert() that the pointer passed to Perl_sv_chop() lies within the
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=26bfa6e19e3eed192092dc298a7d234daadb4a7d;p=p5sagit%2Fp5-mst-13.2.git

assert() that the pointer passed to Perl_sv_chop() lies within the
buffer of the SV.

p4raw-id: //depot/perl@34136
---

diff --git a/sv.c b/sv.c
index 6ac3408..cdae779 100644
--- a/sv.c
+++ b/sv.c
@@ -4401,6 +4401,10 @@ Perl_sv_chop(pTHX_ register SV *const sv, register const char *const ptr)
     }
     assert(ptr > SvPVX_const(sv));
     SV_CHECK_THINKFIRST(sv);
+    if (SvLEN(sv))
+	assert(delta <= SvLEN(sv));
+    else
+	assert(delta <= SvCUR(sv));
 
     if (!SvOOK(sv)) {
 	if (!SvLEN(sv)) { /* make copy of shared string */