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Accepting request 356012 from M17N

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- do not crash on invalid input data (when eof reached) [bsc#963023]
  + fontforge-eof-crash.patch

OBS-URL: https://build.opensuse.org/request/show/356012
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/fontforge?expand=0&rev=43
This commit is contained in:
Dominique Leuenberger 2016-01-30 10:31:13 +00:00 committed by Git OBS Bridge
commit 54f2fe3ae0
3 changed files with 26 additions and 1 deletions
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16
fontforge-eof-crash.patch Normal file
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@ -0,0 +1,16 @@
Index: fontforge/parsettf.c
===================================================================
--- fontforge/parsettf.c.orig 2016-01-26 09:01:44.025472518 +0100
+++ fontforge/parsettf.c 2016-01-26 09:04:24.853470665 +0100
@@ -5185,7 +5185,10 @@
/* the index table is backwards from the way I want to use it */
gcbig = 0;
for ( i=0; i<gc; ++i ) {
- indexes[val = getushort(ttf)] = i;
+ val = getushort(ttf);
+ if ( val<0 ) /* Don't crash on EOF */
+ break;
+ indexes[val] = i;
if ( val>=258 ) ++gcbig;
}

6
fontforge.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Tue Jan 26 08:10:44 UTC 2016 - pgajdos@suse.com
- do not crash on invalid input data (when eof reached) [bsc#963023]
+ fontforge-eof-crash.patch
-------------------------------------------------------------------
Wed Dec 16 14:03:36 UTC 2015 - pgajdos@suse.com

5
fontforge.spec
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@ -1,7 +1,7 @@
#
# spec file for package fontforge
#
# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@ -32,6 +32,8 @@ Patch0: propagate-creation-and-modification-times-to-ttf.patch
# workardound for bug 930076, imho upstream should fix this
# https://github.com/fontforge/fontforge/issues/2270
Patch1: fontforge-version.patch
# https://github.com/fontforge/fontforge/pull/2613, bsc#963023
Patch2: fontforge-eof-crash.patch
BuildRequires: autoconf
BuildRequires: automake
BuildRequires: cairo-devel
@ -99,6 +101,7 @@ to develop applications that use FontForge libraries.
%setup -q
%patch0 -p1
%patch1
%patch2
sed -i 's/\r$//' doc/html/{Big5.txt,corpchar.txt}
# workaround for bug 930076; we just need the _version_of_the_release_! (see also fontforge-version.patch) ---
grep 'doversion(FONTFORGE_MODTIME_STR)' fontforgeexe/startnoui.c && \