mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-08 16:06:16 -05:00
35a12b4719
* gnu/packages/patches/ghostscript-CVE-2015-3228.patch: New file. * gnu-system.am (dist_patch_DATA): Add it. * gnu/packages/ghostscript.scm (ghostscript)[source]: Add patch.
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
The file names in the upstream patch below were modified to apply to GNU
|
|
ghostscript.
|
|
|
|
From 0c0b0859ae1aba64861599f0e7f74f143f305932 Mon Sep 17 00:00:00 2001
|
|
From: Chris Liddell <chris.liddell@artifex.com>
|
|
Date: Tue, 7 Jul 2015 16:57:41 +0100
|
|
Subject: [PATCH] Bug 696041: sanity check for memory allocation.
|
|
|
|
In gs_heap_alloc_bytes(), add a sanity check to ensure we don't overflow the
|
|
variable holding the actual number of bytes we allocate.
|
|
|
|
No cluster differences
|
|
---
|
|
gs/base/gsmalloc.c | 2 +-
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
|
diff --git a/base/gsmalloc.c b/base/gsmalloc.c
|
|
index 624552d..cad79c2 100644
|
|
--- a/base/gsmalloc.c
|
|
+++ b/base/gsmalloc.c
|
|
@@ -178,7 +178,7 @@ gs_heap_alloc_bytes(gs_memory_t * mem, uint size, client_name_t cname)
|
|
} else {
|
|
uint added = size + sizeof(gs_malloc_block_t);
|
|
|
|
- if (mmem->limit - added < mmem->used)
|
|
+ if (added <= size || mmem->limit - added < mmem->used)
|
|
set_msg("exceeded limit");
|
|
else if ((ptr = (byte *) Memento_label(malloc(added), cname)) == 0)
|
|
set_msg("failed");
|
|
--
|
|
2.4.6
|
|
|