70 lines
1.9 KiB
Diff
70 lines
1.9 KiB
Diff
From d2c8acf36b8d0654c22787facaf8e9cc34d34aec Mon Sep 17 00:00:00 2001
|
|
From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
|
|
Date: Thu, 8 Dec 2016 17:55:26 +0000
|
|
Subject: [PATCH] Fix buffer overflow in partial match test for CRLF in empty
|
|
buffer.
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Petr Pisar: Ported to 10.22:
|
|
|
|
commit ec26c8fe3e0a6ee93060ecd7accaa0803dac2ee1
|
|
Author: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
|
|
Date: Thu Dec 8 17:55:26 2016 +0000
|
|
|
|
Fix buffer overflow in partial match test for CRLF in empty buffer.
|
|
|
|
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@612 6239d852-aaf2-0410-a92c-79f79f948069
|
|
|
|
Signed-off-by: Petr Písař <ppisar@redhat.com>
|
|
---
|
|
src/pcre2_match.c | 2 +-
|
|
testdata/testinput2 | 3 +++
|
|
testdata/testoutput2 | 4 ++++
|
|
3 files changed, 8 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/src/pcre2_match.c b/src/pcre2_match.c
|
|
index 0763a23..09efb49 100644
|
|
--- a/src/pcre2_match.c
|
|
+++ b/src/pcre2_match.c
|
|
@@ -2382,7 +2382,7 @@ for (;;)
|
|
case OP_ANY:
|
|
if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);
|
|
if (mb->partial != 0 &&
|
|
- eptr + 1 >= mb->end_subject &&
|
|
+ eptr == mb->end_subject - 1 &&
|
|
NLBLOCK->nltype == NLTYPE_FIXED &&
|
|
NLBLOCK->nllen == 2 &&
|
|
UCHAR21TEST(eptr) == NLBLOCK->nl[0])
|
|
diff --git a/testdata/testinput2 b/testdata/testinput2
|
|
index 94fbfab..3218cfe 100644
|
|
--- a/testdata/testinput2
|
|
+++ b/testdata/testinput2
|
|
@@ -4825,4 +4825,7 @@ a)"xI
|
|
|
|
/(?=.*[A-Z])/I
|
|
|
|
+/./newline=crlf
|
|
+\=ph
|
|
+
|
|
# End of testinput2
|
|
diff --git a/testdata/testoutput2 b/testdata/testoutput2
|
|
index bdb289d..1776d0d 100644
|
|
--- a/testdata/testoutput2
|
|
+++ b/testdata/testoutput2
|
|
@@ -15227,6 +15227,10 @@ Capturing subpattern count = 0
|
|
May match empty string
|
|
Subject length lower bound = 0
|
|
|
|
+/./newline=crlf
|
|
+\=ph
|
|
+No match
|
|
+
|
|
# End of testinput2
|
|
Error -63: PCRE2_ERROR_BADDATA (unknown error number)
|
|
Error -62: bad serialized data
|
|
--
|
|
2.7.4
|
|
|