Revision: 1071
http://www.exim.org/viewvc/pcre2?view=rev&revision=1071
Author: ph10
Date: 2019-02-13 16:48:30 +0000 (Wed, 13 Feb 2019)
Log Message:
-----------
Fix overflow bug in new /u code. Fixes ClusterFuzz 13073.
Modified Paths:
--------------
code/trunk/src/pcre2_compile.c
code/trunk/testdata/testinput5
code/trunk/testdata/testoutput5
Modified: code/trunk/src/pcre2_compile.c
===================================================================
--- code/trunk/src/pcre2_compile.c 2019-02-12 17:50:19 UTC (rev 1070)
+++ code/trunk/src/pcre2_compile.c 2019-02-13 16:48:30 UTC (rev 1071)
@@ -1596,6 +1596,7 @@
{
uint32_t xc;
+ if (ptr >= ptrend) break;
if (*ptr == CHAR_LEFT_CURLY_BRACKET &&
(extra_options & PCRE2_EXTRA_ALT_BSUX) != 0)
{
Modified: code/trunk/testdata/testinput5
===================================================================
--- code/trunk/testdata/testinput5 2019-02-12 17:50:19 UTC (rev 1070)
+++ code/trunk/testdata/testinput5 2019-02-13 16:48:30 UTC (rev 1071)
@@ -819,6 +819,9 @@
/^\u{0000000000010ffff}/utf,extra_alt_bsux
\x{10ffff}
+/\u/utf,alt_bsux
+ \\u
+
/^a+[a\x{200}]/B,utf
aa
Modified: code/trunk/testdata/testoutput5
===================================================================
--- code/trunk/testdata/testoutput5 2019-02-12 17:50:19 UTC (rev 1070)
+++ code/trunk/testdata/testoutput5 2019-02-13 16:48:30 UTC (rev 1071)
@@ -1740,6 +1740,10 @@
\x{10ffff}
0: \x{10ffff}
+/\u/utf,alt_bsux
+ \\u
+ 0: u
+
/^a+[a\x{200}]/B,utf
------------------------------------------------------------------
Bra
