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45 lines
1.5 KiB
45 lines
1.5 KiB
commit a1d523c27dafafadf589c77e834c52661f1c78fc
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Author: erouault <erouault>
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Date: Sat Dec 3 14:18:48 2016 +0000
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* tools/tiffinfo.c: fix null pointer dereference in -r mode when the image has
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no StripByteCount tag.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2594
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diff --git a/ChangeLog b/ChangeLog
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index dd27c7f..e41d00c 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,12 @@
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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+ * tools/tiffinfo.c: fix null pointer dereference in -r mode when the image has
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+ no StripByteCount tag.
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+ Reported by Agostino Sarubbo.
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+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2594
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+
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+2016-12-03 Even Rouault <even.rouault at spatialys.com>
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+
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* tools/tiffcrop.c: fix integer division by zero when BitsPerSample is missing.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2619
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diff --git a/tools/tiffinfo.c b/tools/tiffinfo.c
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index b02c7d4..4d58055 100644
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--- a/tools/tiffinfo.c
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+++ b/tools/tiffinfo.c
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@@ -1,4 +1,4 @@
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-/* $Id: tiffinfo.c,v 1.25 2016-11-12 20:06:05 bfriesen Exp $ */
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+/* $Id: tiffinfo.c,v 1.26 2016-12-03 14:18:49 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -417,7 +417,7 @@ TIFFReadRawData(TIFF* tif, int bitrev)
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uint64* stripbc=NULL;
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TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &stripbc);
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- if (nstrips > 0) {
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+ if (stripbc != NULL && nstrips > 0) {
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uint32 bufsize = (uint32) stripbc[0];
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tdata_t buf = _TIFFmalloc(bufsize);
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tstrip_t s;
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