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authorNicolas Pena <npm@chromium.org>2017-08-10 16:36:56 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-08-10 20:54:00 +0000
commitf7520395821090b36a5ad8c658a844c3342dbf66 (patch)
treeabe5505e60a57479593d6c39790fe214c23f9fef /third_party/lcms/0018-verify-size-before-reading.patch
parenta12812924fc844823025fa383cc3ec8c1d1e2d4f (diff)
downloadpdfium-f7520395821090b36a5ad8c658a844c3342dbf66.tar.xz
LCMS: rename folder
Change-Id: I5f240cb0779648dc5427fecb5561086e7c0fb16a Reviewed-on: https://pdfium-review.googlesource.com/10650 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'third_party/lcms/0018-verify-size-before-reading.patch')
-rw-r--r--third_party/lcms/0018-verify-size-before-reading.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/third_party/lcms/0018-verify-size-before-reading.patch b/third_party/lcms/0018-verify-size-before-reading.patch
new file mode 100644
index 0000000000..e72e310a1b
--- /dev/null
+++ b/third_party/lcms/0018-verify-size-before-reading.patch
@@ -0,0 +1,17 @@
+diff --git a/third_party/lcms/src/cmstypes.c b/third_party/lcms/src/cmstypes.c
+index 75f1fae32..4d96a1ed6 100644
+--- a/third_party/lcms/src/cmstypes.c
++++ b/third_party/lcms/src/cmstypes.c
+@@ -173,6 +173,12 @@ cmsBool ReadPositionTable(struct _cms_typehandler_struct* self,
+ {
+ cmsUInt32Number i;
+ cmsUInt32Number *ElementOffsets = NULL, *ElementSizes = NULL;
++ cmsUInt32Number currentPosition;
++
++ currentPosition = io->Tell(io);
++ // Verify there is enough space left to read two cmsUInt32Number items for Count items.
++ if (((io->ReportedSize - currentPosition) / (2 * sizeof(cmsUInt32Number))) < Count)
++ return FALSE;
+
+ // Let's take the offsets to each element
+ ElementOffsets = (cmsUInt32Number *) _cmsCalloc(io ->ContextID, Count, sizeof(cmsUInt32Number));