dev-libs/libmspack: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/8178

diff --git a/dev-libs/libmspack/files/libmspack-0.5_alpha-CVE-2017-6419.patch b/dev-libs/libmspack/files/libmspack-0.5_alpha-CVE-2017-6419.patch
deleted file mode 100644 (file)
index 1b81fdc..0000000
--- a/dev-libs/libmspack/files/libmspack-0.5_alpha-CVE-2017-6419.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From a83773682e856ad6529ba6db8d1792e6d515d7f1 Mon Sep 17 00:00:00 2001
-From: Mickey Sola <msola@sourcefire.com>
-Date: Wed, 29 Mar 2017 14:55:26 -0400
-Subject: [PATCH] fixing potential OOB window write when unpacking chm files
-
----
- libclamav/libmspack-0.5alpha/mspack/lzxd.c | 11 +++++++++--
- libclamav/libmspack.c                      |  6 +++++-
- 2 files changed, 14 insertions(+), 3 deletions(-)
-
-diff --git a/libclamav/libmspack-0.5alpha/mspack/lzxd.c b/libclamav/libmspack-0.5alpha/mspack/lzxd.c
-index 2281e7b9d..45105a583 100644
---- a/mspack/lzxd.c
-+++ b/mspack/lzxd.c
-@@ -766,8 +766,13 @@ int lzxd_decompress(struct lzxd_stream *lzx, off_t out_bytes) {
-       case LZX_BLOCKTYPE_UNCOMPRESSED:
-       /* as this_run is limited not to wrap a frame, this also means it
-        * won't wrap the window (as the window is a multiple of 32k) */
-+        if (window_posn + this_run > lzx->window_size) {
-+                D(("match ran over window boundary"))
-+                return lzx->error = MSPACK_ERR_DECRUNCH;
-+        }
-       rundest = &window[window_posn];
-       window_posn += this_run;
-+
-       while (this_run > 0) {
-         if ((i = i_end - i_ptr) == 0) {
-           READ_IF_NEEDED;
-@@ -888,8 +893,10 @@ void lzxd_free(struct lzxd_stream *lzx) {
-   struct mspack_system *sys;
-   if (lzx) {
-     sys = lzx->sys;
--    sys->free(lzx->inbuf);
--    sys->free(lzx->window);
-+    if(lzx->inbuf)
-+        sys->free(lzx->inbuf);
-+    if(lzx->window)
-+        sys->free(lzx->window);
-     sys->free(lzx);
-   }
- }