diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-divide-by-zero.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-divide-by-zero.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/gnu/packages/patches/libtiff-divide-by-zero.patch b/gnu/packages/patches/libtiff-divide-by-zero.patch deleted file mode 100644 index 6dbd4666cd..0000000000 --- a/gnu/packages/patches/libtiff-divide-by-zero.patch +++ /dev/null @@ -1,67 +0,0 @@ -Fix an integer overflow in TIFFReadEncodedStrip() that led to division-by-zero: - -http://bugzilla.maptools.org/show_bug.cgi?id=2596 - -2016-12-02 Even Rouault <even.rouault at spatialys.com> - - * libtiff/tif_read.c, libtiff/tiffiop.h: fix uint32 overflow in - TIFFReadEncodedStrip() that caused an integer division by zero. - Reported by Agostino Sarubbo. - Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2596 - - -/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog -new revision: 1.1173; previous revision: 1.1172 -/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c -new revision: 1.50; previous revision: 1.49 -/cvs/maptools/cvsroot/libtiff/libtiff/tiffiop.h,v <-- libtiff/tiffiop.h -new revision: 1.90; previous revision: 1.89 - -Index: libtiff/libtiff/tif_read.c -=================================================================== -RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v -retrieving revision 1.49 -retrieving revision 1.50 -diff -u -r1.49 -r1.50 ---- libtiff/libtiff/tif_read.c 10 Jul 2016 18:00:21 -0000 1.49 -+++ libtiff/libtiff/tif_read.c 2 Dec 2016 21:56:56 -0000 1.50 -@@ -1,4 +1,4 @@ --/* $Id: tif_read.c,v 1.49 2016-07-10 18:00:21 erouault Exp $ */ -+/* $Id: tif_read.c,v 1.50 2016-12-02 21:56:56 erouault Exp $ */ - - /* - * Copyright (c) 1988-1997 Sam Leffler -@@ -346,7 +346,7 @@ - rowsperstrip=td->td_rowsperstrip; - if (rowsperstrip>td->td_imagelength) - rowsperstrip=td->td_imagelength; -- stripsperplane=((td->td_imagelength+rowsperstrip-1)/rowsperstrip); -+ stripsperplane= TIFFhowmany_32_maxuint_compat(td->td_imagelength, rowsperstrip); - stripinplane=(strip%stripsperplane); - plane=(uint16)(strip/stripsperplane); - rows=td->td_imagelength-stripinplane*rowsperstrip; -Index: libtiff/libtiff/tiffiop.h -=================================================================== -RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tiffiop.h,v -retrieving revision 1.89 -retrieving revision 1.90 -diff -u -r1.89 -r1.90 ---- libtiff/libtiff/tiffiop.h 23 Jan 2016 21:20:34 -0000 1.89 -+++ libtiff/libtiff/tiffiop.h 2 Dec 2016 21:56:56 -0000 1.90 -@@ -1,4 +1,4 @@ --/* $Id: tiffiop.h,v 1.89 2016-01-23 21:20:34 erouault Exp $ */ -+/* $Id: tiffiop.h,v 1.90 2016-12-02 21:56:56 erouault Exp $ */ - - /* - * Copyright (c) 1988-1997 Sam Leffler -@@ -250,6 +250,10 @@ - #define TIFFhowmany_32(x, y) (((uint32)x < (0xffffffff - (uint32)(y-1))) ? \ - ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) : \ - 0U) -+/* Variant of TIFFhowmany_32() that doesn't return 0 if x close to MAXUINT. */ -+/* Caution: TIFFhowmany_32_maxuint_compat(x,y)*y might overflow */ -+#define TIFFhowmany_32_maxuint_compat(x, y) \ -+ (((uint32)(x) / (uint32)(y)) + ((((uint32)(x) % (uint32)(y)) != 0) ? 1 : 0)) - #define TIFFhowmany8_32(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3) - #define TIFFroundup_32(x, y) (TIFFhowmany_32(x,y)*(y)) - #define TIFFhowmany_64(x, y) ((((uint64)(x))+(((uint64)(y))-1))/((uint64)(y))) |