mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-28 23:32:24 -05:00
26 lines
687 B
Diff
26 lines
687 B
Diff
|
From: Tobias Geerinckx-Rice <me@tobias.gr>
|
|||
|
|
Date: Thu, 01 Aug 2019 21:12:52 +0200
|
|||
|
|
Subject: [PATCH] gnu: pcre2: Fix jit_match crash.
|
|||
|
|
|
|||
|
|
Fixes <https://bugs.exim.org/show_bug.cgi?id=2421>, reported as a ‘secrity
|
|||
|
|
problem’.
|
|||
|
|
|
|||
|
|
Copied verbatim from upstream[0].
|
|||
|
|
|
|||
|
|
[0]: https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_jit_compile.c?view=patch&r1=1089&r2=1092&pathrev=1092
|
|||
|
|
|
|||
|
|
--- trunk/src/pcre2_jit_compile.c 2019/05/10 13:15:20 1089
|
|||
|
|
+++ trunk/src/pcre2_jit_compile.c 2019/05/13 16:38:18 1092
|
|||
|
|
@@ -8571,7 +8571,10 @@
|
|||
|
|
PCRE2_SPTR bptr;
|
|||
|
|
uint32_t c;
|
|||
|
|
|
|||
|
|
-GETCHARINC(c, cc);
|
|||
|
|
+/* Patch by PH */
|
|||
|
|
+/* GETCHARINC(c, cc); */
|
|||
|
|
+
|
|||
|
|
+c = *cc++;
|
|||
|
|
#if PCRE2_CODE_UNIT_WIDTH == 32
|
|||
|
|
if (c >= 0x110000)
|
|||
|
|
return NULL;
|