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Commit 6b74b7e3 authored by Kazuhiko Shiozaki's avatar Kazuhiko Shiozaki
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component/libtiff: apply patches from tiff_4.0.7-6.debian.

parent eec7c81e
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component/libtiff/buildout.cfg
View file @ 6b74b7e3
...@@ -18,7 +18,7 @@ configure-options = ...@@ -18,7 +18,7 @@ configure-options =
--disable-lzma --disable-lzma
patch-options = -p1 patch-options = -p1
patches = patches =
${:_profile_base_location_}/tiff_4.0.7-5.debian.patch#f132ec0dc5cde03f9bbbe90b7a79fed4 ${:_profile_base_location_}/tiff_4.0.7-6.debian.patch#b9249bb352e693b7975f9d343018994d
environment = environment =
CPPFLAGS=-I${libjpeg:location}/include -I${jbigkit:location}/include -I${zlib:location}/include CPPFLAGS=-I${libjpeg:location}/include -I${jbigkit:location}/include -I${zlib:location}/include
LDFLAGS=-L${libjpeg:location}/lib -Wl,-rpath=${libjpeg:location}/lib -L${jbigkit:location}/lib -Wl,-rpath=${jbigkit:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib LDFLAGS=-L${libjpeg:location}/lib -Wl,-rpath=${libjpeg:location}/lib -L${jbigkit:location}/lib -Wl,-rpath=${jbigkit:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib
......
component/libtiff/tiff_4.0.7-5.debian.patch → component/libtiff/tiff_4.0.7-6.debian.patch
View file @ 6b74b7e3
...@@ -1156,3 +1156,765 @@ index bdf754c..8bbcd52 100644 ...@@ -1156,3 +1156,765 @@ index bdf754c..8bbcd52 100644
if (shortv != config && bitspersample != 8 && samplesperpixel > 1) { if (shortv != config && bitspersample != 8 && samplesperpixel > 1) {
fprintf(stderr, fprintf(stderr,
"%s: Cannot handle different planar configuration w/ bits/sample != 8\n", "%s: Cannot handle different planar configuration w/ bits/sample != 8\n",
From 47f2fb61a3a64667bce1a8398a8fcb1b348ff122 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 12:15:01 +0000
Subject: [PATCH] * libtiff/tif_jpeg.c: avoid integer division by zero in
JPEGSetupEncode() when horizontal or vertical sampling is set to 0. Fixes
http://bugzilla.maptools.org/show_bug.cgi?id=2653
---
ChangeLog | 6 ++++++
libtiff/tif_jpeg.c | 7 +++++++
2 files changed, 13 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index c82bc76..a7208f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_jpeg.c: avoid integer division by zero in
+ JPEGSetupEncode() when horizontal or vertical sampling is set to 0.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2653
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* tools/tiffcp.c: error out cleanly in cpContig2SeparateByRow and
cpSeparate2ContigByRow if BitsPerSample != 8 to avoid heap based overflow.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2656 and
diff --git a/libtiff/tif_jpeg.c b/libtiff/tif_jpeg.c
index 38595f9..6c17c38 100644
--- a/libtiff/tif_jpeg.c
+++ b/libtiff/tif_jpeg.c
@@ -1626,6 +1626,13 @@ JPEGSetupEncode(TIFF* tif)
case PHOTOMETRIC_YCBCR:
sp->h_sampling = td->td_ycbcrsubsampling[0];
sp->v_sampling = td->td_ycbcrsubsampling[1];
+ if( sp->h_sampling == 0 || sp->v_sampling == 0 )
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Invalig horizontal/vertical sampling value");
+ return (0);
+ }
+
/*
* A ReferenceBlackWhite field *must* be present since the
* default value is inappropriate for YCbCr. Fill in the
From 3cfd62d77c2a7e147a05bd678524c345fa9c2bb8 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 13:28:01 +0000
Subject: [PATCH] * libtiff/tif_dirread.c: avoid division by floating point 0
in TIFFReadDirEntryCheckedRational() and TIFFReadDirEntryCheckedSrational(),
and return 0 in that case (instead of infinity as before presumably)
Apparently some sanitizers do not like those divisions by zero. Fixes
http://bugzilla.maptools.org/show_bug.cgi?id=2644
---
ChangeLog | 8 ++++++++
libtiff/tif_dirread.c | 10 ++++++++--
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 6a752cd..722a405 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_dirread.c: avoid division by floating point 0 in
+ TIFFReadDirEntryCheckedRational() and TIFFReadDirEntryCheckedSrational(),
+ and return 0 in that case (instead of infinity as before presumably)
+ Apparently some sanitizers do not like those divisions by zero.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2644
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_jpeg.c: avoid integer division by zero in
JPEGSetupEncode() when horizontal or vertical sampling is set to 0.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2653
diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
index 570d0c3..8a1e42a 100644
--- a/libtiff/tif_dirread.c
+++ b/libtiff/tif_dirread.c
@@ -2872,7 +2872,10 @@ static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF* tif, TIFFD
m.l = direntry->tdir_offset.toff_long8;
if (tif->tif_flags&TIFF_SWAB)
TIFFSwabArrayOfLong(m.i,2);
- if (m.i[0]==0)
+ /* Not completely sure what we should do when m.i[1]==0, but some */
+ /* sanitizers do not like division by 0.0: */
+ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
+ if (m.i[0]==0 || m.i[1]==0)
*value=0.0;
else
*value=(double)m.i[0]/(double)m.i[1];
@@ -2900,7 +2903,10 @@ static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF* tif, TIFF
m.l=direntry->tdir_offset.toff_long8;
if (tif->tif_flags&TIFF_SWAB)
TIFFSwabArrayOfLong(m.i,2);
- if ((int32)m.i[0]==0)
+ /* Not completely sure what we should do when m.i[1]==0, but some */
+ /* sanitizers do not like division by 0.0: */
+ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
+ if ((int32)m.i[0]==0 || m.i[1]==0)
*value=0.0;
else
*value=(double)((int32)m.i[0])/(double)m.i[1];
From 3144e57770c1e4d26520d8abee750f8ac8b75490 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 16:09:02 +0000
Subject: [PATCH] * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement
various clampings of double to other data types to avoid undefined behaviour
if the output range isn't big enough to hold the input value. Fixes
http://bugzilla.maptools.org/show_bug.cgi?id=2643
http://bugzilla.maptools.org/show_bug.cgi?id=2642
http://bugzilla.maptools.org/show_bug.cgi?id=2646
http://bugzilla.maptools.org/show_bug.cgi?id=2647
---
ChangeLog | 10 ++++++
libtiff/tif_dir.c | 18 +++++++---
libtiff/tif_dirread.c | 10 +++++-
libtiff/tif_dirwrite.c | 90 ++++++++++++++++++++++++++++++++++++++++++++------
4 files changed, 113 insertions(+), 15 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 722a405..6517640 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,15 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various clampings
+ of double to other data types to avoid undefined behaviour if the output range
+ isn't big enough to hold the input value.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2643
+ http://bugzilla.maptools.org/show_bug.cgi?id=2642
+ http://bugzilla.maptools.org/show_bug.cgi?id=2646
+ http://bugzilla.maptools.org/show_bug.cgi?id=2647
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_dirread.c: avoid division by floating point 0 in
TIFFReadDirEntryCheckedRational() and TIFFReadDirEntryCheckedSrational(),
and return 0 in that case (instead of infinity as before presumably)
diff --git a/libtiff/tif_dir.c b/libtiff/tif_dir.c
index 68a55af..a04d28f 100644
--- a/libtiff/tif_dir.c
+++ b/libtiff/tif_dir.c
@@ -31,6 +31,7 @@
* (and also some miscellaneous stuff)
*/
#include "tiffiop.h"
+#include <float.h>
/*
* These are used in the backwards compatibility code...
@@ -154,6 +155,15 @@ checkInkNamesString(TIFF* tif, uint32 slen, const char* s)
return (0);
}
+static float TIFFClampDoubleToFloat( double val )
+{
+ if( val > FLT_MAX )
+ return FLT_MAX;
+ if( val < -FLT_MAX )
+ return -FLT_MAX;
+ return (float)val;
+}
+
static int
_TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
{
@@ -312,13 +322,13 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
dblval = va_arg(ap, double);
if( dblval < 0 )
goto badvaluedouble;
- td->td_xresolution = (float) dblval;
+ td->td_xresolution = TIFFClampDoubleToFloat( dblval );
break;
case TIFFTAG_YRESOLUTION:
dblval = va_arg(ap, double);
if( dblval < 0 )
goto badvaluedouble;
- td->td_yresolution = (float) dblval;
+ td->td_yresolution = TIFFClampDoubleToFloat( dblval );
break;
case TIFFTAG_PLANARCONFIG:
v = (uint16) va_arg(ap, uint16_vap);
@@ -327,10 +337,10 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
td->td_planarconfig = (uint16) v;
break;
case TIFFTAG_XPOSITION:
- td->td_xposition = (float) va_arg(ap, double);
+ td->td_xposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
break;
case TIFFTAG_YPOSITION:
- td->td_yposition = (float) va_arg(ap, double);
+ td->td_yposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
break;
case TIFFTAG_RESOLUTIONUNIT:
v = (uint16) va_arg(ap, uint16_vap);
diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
index 8a1e42a..77b0f37 100644
--- a/libtiff/tif_dirread.c
+++ b/libtiff/tif_dirread.c
@@ -40,6 +40,7 @@
*/
#include "tiffiop.h"
+#include <float.h>
#define IGNORE 0 /* tag placeholder used below */
#define FAILED_FII ((uint32) -1)
@@ -2406,7 +2407,14 @@ static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF* tif, TIFFDirEnt
ma=(double*)origdata;
mb=data;
for (n=0; n<count; n++)
- *mb++=(float)(*ma++);
+ {
+ double val = *ma++;
+ if( val > FLT_MAX )
+ val = FLT_MAX;
+ else if( val < -FLT_MAX )
+ val = -FLT_MAX;
+ *mb++=(float)val;
+ }
}
break;
}
diff --git a/libtiff/tif_dirwrite.c b/libtiff/tif_dirwrite.c
index c9e871b..2967da5 100644
--- a/libtiff/tif_dirwrite.c
+++ b/libtiff/tif_dirwrite.c
@@ -30,6 +30,7 @@
* Directory Write Support Routines.
*/
#include "tiffiop.h"
+#include <float.h>
#ifdef HAVE_IEEEFP
#define TIFFCvtNativeToIEEEFloat(tif, n, fp)
@@ -939,6 +940,69 @@ TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)
return(0);
}
+static float TIFFClampDoubleToFloat( double val )
+{
+ if( val > FLT_MAX )
+ return FLT_MAX;
+ if( val < -FLT_MAX )
+ return -FLT_MAX;
+ return (float)val;
+}
+
+static int8 TIFFClampDoubleToInt8( double val )
+{
+ if( val > 127 )
+ return 127;
+ if( val < -128 || val != val )
+ return -128;
+ return (int8)val;
+}
+
+static int16 TIFFClampDoubleToInt16( double val )
+{
+ if( val > 32767 )
+ return 32767;
+ if( val < -32768 || val != val )
+ return -32768;
+ return (int16)val;
+}
+
+static int32 TIFFClampDoubleToInt32( double val )
+{
+ if( val > 0x7FFFFFFF )
+ return 0x7FFFFFFF;
+ if( val < -0x7FFFFFFF-1 || val != val )
+ return -0x7FFFFFFF-1;
+ return (int32)val;
+}
+
+static uint8 TIFFClampDoubleToUInt8( double val )
+{
+ if( val < 0 )
+ return 0;
+ if( val > 255 || val != val )
+ return 255;
+ return (uint8)val;
+}
+
+static uint16 TIFFClampDoubleToUInt16( double val )
+{
+ if( val < 0 )
+ return 0;
+ if( val > 65535 || val != val )
+ return 65535;
+ return (uint16)val;
+}
+
+static uint32 TIFFClampDoubleToUInt32( double val )
+{
+ if( val < 0 )
+ return 0;
+ if( val > 0xFFFFFFFFU || val != val )
+ return 0xFFFFFFFFU;
+ return (uint32)val;
+}
+
static int
TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)
{
@@ -959,7 +1023,7 @@ TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* di
if (tif->tif_dir.td_bitspersample<=32)
{
for (i = 0; i < count; ++i)
- ((float*)conv)[i] = (float)value[i];
+ ((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]);
ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv);
}
else
@@ -971,19 +1035,19 @@ TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* di
if (tif->tif_dir.td_bitspersample<=8)
{
for (i = 0; i < count; ++i)
- ((int8*)conv)[i] = (int8)value[i];
+ ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]);
ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv);
}
else if (tif->tif_dir.td_bitspersample<=16)
{
for (i = 0; i < count; ++i)
- ((int16*)conv)[i] = (int16)value[i];
+ ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]);
ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv);
}
else
{
for (i = 0; i < count; ++i)
- ((int32*)conv)[i] = (int32)value[i];
+ ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]);
ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv);
}
break;
@@ -991,19 +1055,19 @@ TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* di
if (tif->tif_dir.td_bitspersample<=8)
{
for (i = 0; i < count; ++i)
- ((uint8*)conv)[i] = (uint8)value[i];
+ ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]);
ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv);
}
else if (tif->tif_dir.td_bitspersample<=16)
{
for (i = 0; i < count; ++i)
- ((uint16*)conv)[i] = (uint16)value[i];
+ ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]);
ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv);
}
else
{
for (i = 0; i < count; ++i)
- ((uint32*)conv)[i] = (uint32)value[i];
+ ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]);
ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv);
}
break;
@@ -2094,6 +2094,7 @@ TIFFWriteDirectoryTagCheckedSlong8Array(
static int
TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)
{
+ static const char module[] = "TIFFWriteDirectoryTagCheckedRational";
uint32 m[2];
assert(value>=0.0);
assert(sizeof(uint32)==4);
@@ -2102,7 +2102,12 @@ TIFFWriteDirectoryTagCheckedRational(TIF
m[0]=0;
m[1]=1;
}
- else if (value==(double)(uint32)value)
+ else if( value != value )
+ {
+ TIFFErrorExt(tif->tif_clientdata,module,"Not-a-number value is illegal");
+ return 0;
+ }
+ else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value)
{
m[0]=(uint32)value;
m[1]=1;
@@ -2143,12 +2212,13 @@ TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry*
}
for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++)
{
- if (*na<=0.0)
+ if (*na<=0.0 || *na != *na)
{
nb[0]=0;
nb[1]=1;
}
- else if (*na==(float)(uint32)(*na))
+ else if (*na >= 0 && *na <= (float)0xFFFFFFFFU &&
+ *na==(float)(uint32)(*na))
{
nb[0]=(uint32)(*na);
nb[1]=1;
From 0a76a8c765c7b8327c59646284fa78c3c27e5490 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 16:13:50 +0000
Subject: [PATCH] * libtiff/tif_jpeg.c: validate BitsPerSample in
JPEGSetupEncode() to avoid undefined behaviour caused by invalid shift
exponent. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648
---
ChangeLog | 6 ++++++
libtiff/tif_jpeg.c | 7 +++++++
2 files changed, 13 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 6517640..8e202a2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_jpeg.c: validate BitsPerSample in JPEGSetupEncode() to avoid
+ undefined behaviour caused by invalid shift exponent.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various clampings
of double to other data types to avoid undefined behaviour if the output range
isn't big enough to hold the input value.
diff --git a/libtiff/tif_jpeg.c b/libtiff/tif_jpeg.c
index 6c17c38..192989a 100644
--- a/libtiff/tif_jpeg.c
+++ b/libtiff/tif_jpeg.c
@@ -1632,6 +1632,13 @@ JPEGSetupEncode(TIFF* tif)
"Invalig horizontal/vertical sampling value");
return (0);
}
+ if( td->td_bitspersample > 16 )
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "BitsPerSample %d not allowed for JPEG",
+ td->td_bitspersample);
+ return (0);
+ }
/*
* A ReferenceBlackWhite field *must* be present since the
From 66e7bd59520996740e4df5495a830b42fae48bc4 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 16:33:34 +0000
Subject: [PATCH] * libtiff/tif_read.c: avoid potential undefined behaviour on
signed integer addition in TIFFReadRawStrip1() in isMapped() case. Fixes
http://bugzilla.maptools.org/show_bug.cgi?id=2650
---
ChangeLog | 6 ++++++
libtiff/tif_read.c | 27 ++++++++++++++++++---------
2 files changed, 24 insertions(+), 9 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 8e202a2..3e31464 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_read.c: avoid potential undefined behaviour on signed integer
+ addition in TIFFReadRawStrip1() in isMapped() case.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2650
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_jpeg.c: validate BitsPerSample in JPEGSetupEncode() to avoid
undefined behaviour caused by invalid shift exponent.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648
diff --git a/libtiff/tif_read.c b/libtiff/tif_read.c
index 52bbf50..b7aacbd 100644
--- a/libtiff/tif_read.c
+++ b/libtiff/tif_read.c
@@ -420,16 +420,25 @@ TIFFReadRawStrip1(TIFF* tif, uint32 strip, void* buf, tmsize_t size,
return ((tmsize_t)(-1));
}
} else {
- tmsize_t ma,mb;
+ tmsize_t ma;
tmsize_t n;
- ma=(tmsize_t)td->td_stripoffset[strip];
- mb=ma+size;
- if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size))
- n=0;
- else if ((mb<ma)||(mb<size)||(mb>tif->tif_size))
- n=tif->tif_size-ma;
- else
- n=size;
+ if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||
+ ((ma=(tmsize_t)td->td_stripoffset[strip])>tif->tif_size))
+ {
+ n=0;
+ }
+ else if( ma > TIFF_TMSIZE_T_MAX - size )
+ {
+ n=0;
+ }
+ else
+ {
+ tmsize_t mb=ma+size;
+ if (mb>tif->tif_size)
+ n=tif->tif_size-ma;
+ else
+ n=size;
+ }
if (n!=size) {
#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
TIFFErrorExt(tif->tif_clientdata, module,
From 48780b4fcc425cddc4ef8ffdf536f96a0d1b313b Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 16:38:26 +0000
Subject: [PATCH] =?UTF-8?q?*=20libtiff/tif=5Fgetimage.c:=20add=20explicit?=
=?UTF-8?q?=20uint32=20cast=20in=20putagreytile=20to=20avoid=20UndefinedBe?=
=?UTF-8?q?haviorSanitizer=20warning.=20Patch=20by=20Nicol=C3=A1s=20Pe?=
=?UTF-8?q?=C3=B1a.=20Fixes=20http://bugzilla.maptools.org/show=5Fbug.cgi?=
=?UTF-8?q?=3Fid=3D2658?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
ChangeLog | 7 +++++++
libtiff/tif_getimage.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 3e31464..6a342e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tif_getimage.c: add explicit uint32 cast in putagreytile to
+ avoid UndefinedBehaviorSanitizer warning.
+ Patch by Nicolás Peña.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2658
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_read.c: avoid potential undefined behaviour on signed integer
addition in TIFFReadRawStrip1() in isMapped() case.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2650
diff --git a/libtiff/tif_getimage.c b/libtiff/tif_getimage.c
index fed31f1..2fa1775 100644
--- a/libtiff/tif_getimage.c
+++ b/libtiff/tif_getimage.c
@@ -1305,7 +1305,7 @@ DECLAREContigPutFunc(putagreytile)
while (h-- > 0) {
for (x = w; x-- > 0;)
{
- *cp++ = BWmap[*pp][0] & (*(pp+1) << 24 | ~A1);
+ *cp++ = BWmap[*pp][0] & ((uint32)*(pp+1) << 24 | ~A1);
pp += samplesperpixel;
}
cp += toskew;
From d60332057b9575ada4f264489582b13e30137be1 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Wed, 11 Jan 2017 19:02:49 +0000
Subject: [PATCH] * libtiff/tiffiop.h, tif_unix.c, tif_win32.c, tif_vms.c: add
_TIFFcalloc()
* libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero
initialize tif_rawdata.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651
---
ChangeLog | 8 ++++++++
libtiff/tif_read.c | 4 +++-
libtiff/tif_unix.c | 8 ++++++++
libtiff/tif_vms.c | 8 ++++++++
libtiff/tif_win32.c | 8 ++++++++
libtiff/tiffio.h | 1 +
6 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 6a342e5..abd75d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
2017-01-11 Even Rouault <even.rouault at spatialys.com>
+ * libtiff/tiffiop.h, tif_unix.c, tif_win32.c, tif_vms.c: add _TIFFcalloc()
+
+ * libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero
+ initialize tif_rawdata.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
* libtiff/tif_getimage.c: add explicit uint32 cast in putagreytile to
avoid UndefinedBehaviorSanitizer warning.
Patch by Nicolás Peña.
diff --git a/libtiff/tif_read.c b/libtiff/tif_read.c
index 277fdd6..4535ccb 100644
--- a/libtiff/tif_read.c
+++ b/libtiff/tif_read.c
@@ -985,7 +985,9 @@ TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size)
"Invalid buffer size");
return (0);
}
- tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize);
+ /* Initialize to zero to avoid uninitialized buffers in case of */
+ /* short reads (http://bugzilla.maptools.org/show_bug.cgi?id=2651) */
+ tif->tif_rawdata = (uint8*) _TIFFcalloc(1, tif->tif_rawdatasize);
tif->tif_flags |= TIFF_MYBUFFER;
}
if (tif->tif_rawdata == NULL) {
diff --git a/libtiff/tif_unix.c b/libtiff/tif_unix.c
index 7c7bc96..89dd32e 100644
--- a/libtiff/tif_unix.c
+++ b/libtiff/tif_unix.c
@@ -316,6 +316,14 @@ _TIFFmalloc(tmsize_t s)
return (malloc((size_t) s));
}
+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
+{
+ if( nmemb == 0 || siz == 0 )
+ return ((void *) NULL);
+
+ return calloc((size_t) nmemb, (size_t)siz);
+}
+
void
_TIFFfree(void* p)
{
diff --git a/libtiff/tif_win32.c b/libtiff/tif_win32.c
index d730b3a..3e9001b 100644
--- a/libtiff/tif_win32.c
+++ b/libtiff/tif_win32.c
@@ -360,6 +360,14 @@ _TIFFmalloc(tmsize_t s)
return (malloc((size_t) s));
}
+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
+{
+ if( nmemb == 0 || siz == 0 )
+ return ((void *) NULL);
+
+ return calloc((size_t) nmemb, (size_t)siz);
+}
+
void
_TIFFfree(void* p)
{
diff --git a/libtiff/tiffio.h b/libtiff/tiffio.h
index 732da17..fbd9171 100644
--- a/libtiff/tiffio.h
+++ b/libtiff/tiffio.h
@@ -293,6 +293,7 @@ extern TIFFCodec* TIFFGetConfiguredCODECs(void);
*/
extern void* _TIFFmalloc(tmsize_t s);
+extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz);
extern void* _TIFFrealloc(void* p, tmsize_t s);
extern void _TIFFmemset(void* p, int v, tmsize_t c);
extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c);
From 8283e4d1b7e53340684d12932880cbcbaf23a8c1 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Thu, 12 Jan 2017 17:43:25 +0000
Subject: [PATCH] =?UTF-8?q?*=20libtiff/tif=5Fojpeg.c:=20fix=20leak=20in=20?=
=?UTF-8?q?OJPEGReadHeaderInfoSecTablesAcTable=20when=20read=20fails.=20Pa?=
=?UTF-8?q?tch=20by=20Nicol=C3=A1s=20Pe=C3=B1a.=20Fixes=20http://bugzilla.?=
=?UTF-8?q?maptools.org/show=5Fbug.cgi=3Fid=3D2659?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
ChangeLog | 7 +++++++
libtiff/tif_ojpeg.c | 3 +++
2 files changed, 10 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 6e6f3b0..12e0370 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-01-12 Even Rouault <even.rouault at spatialys.com>
+
+ * libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable
+ when read fails.
+ Patch by Nicolás Peña.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
+
2017-01-11 Even Rouault <even.rouault at spatialys.com>
* libtiff/tiffiop.h, tif_unix.c, tif_win32.c, tif_vms.c: add _TIFFcalloc()
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
index f19e8fd..b92f0eb 100644
--- a/libtiff/tif_ojpeg.c
+++ b/libtiff/tif_ojpeg.c
@@ -1918,7 +1918,10 @@ OJPEGReadHeaderInfoSecTablesAcTable(TIFF* tif)
rb[sizeof(uint32)+5+n]=o[n];
p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
if (p!=q)
+ {
+ _TIFFfree(rb);
return(0);
+ }
sp->actable[m]=rb;
sp->sos_tda[m]=(sp->sos_tda[m]|m);
}
From 2ea32f7372b65c24b2816f11c04bf59b5090d05b Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Thu, 12 Jan 2017 19:23:20 +0000
Subject: [PATCH] * libtiff/tif_ojpeg.c: fix leak in
OJPEGReadHeaderInfoSecTablesQTable, OJPEGReadHeaderInfoSecTablesDcTable and
OJPEGReadHeaderInfoSecTablesAcTable
---
ChangeLog | 3 ++-
libtiff/tif_ojpeg.c | 6 ++++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 12e0370..cd2fa17 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
2017-01-12 Even Rouault <even.rouault at spatialys.com>
- * libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable
+ * libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesQTable,
+ OJPEGReadHeaderInfoSecTablesDcTable and OJPEGReadHeaderInfoSecTablesAcTable
when read fails.
Patch by Nicolás Peña.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
index b92f0eb..5f6c684 100644
--- a/libtiff/tif_ojpeg.c
+++ b/libtiff/tif_ojpeg.c
@@ -1790,7 +1790,10 @@ OJPEGReadHeaderInfoSecTablesQTable(TIFF* tif)
TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);
p=(uint32)TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);
if (p!=64)
+ {
+ _TIFFfree(ob);
return(0);
+ }
sp->qtable[m]=ob;
sp->sof_tq[m]=m;
}
@@ -1854,7 +1857,10 @@ OJPEGReadHeaderInfoSecTablesDcTable(TIFF* tif)
rb[sizeof(uint32)+5+n]=o[n];
p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
if (p!=q)
+ {
+ _TIFFfree(rb);
return(0);
+ }
sp->dctable[m]=rb;
sp->sos_tda[m]=(m<<4);
}
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