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| author | kcwu <kcwu@chromium.org> | 2016-09-22 12:56:23 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-09-22 12:56:23 -0700 |
| commit | 62356867b331bc9f71f9a0c8fce0cff9927d3356 (patch) | |
| tree | 0b4ef2bdb6432efab31c61241a9553c320faee99 /third_party/lcms2-2.6/0003-uninit.patch | |
| parent | 869a4381b12dadfabe9750bd4d1a3867241917c8 (diff) | |
| download | pdfium-62356867b331bc9f71f9a0c8fce0cff9927d3356.tar.xz | |
Fix use uninitialized value and stack buffer overflow read
Found by libfuzzer
Review-Url: https://codereview.chromium.org/2362813002
Diffstat (limited to 'third_party/lcms2-2.6/0003-uninit.patch')
| -rw-r--r-- | third_party/lcms2-2.6/0003-uninit.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/third_party/lcms2-2.6/0003-uninit.patch b/third_party/lcms2-2.6/0003-uninit.patch new file mode 100644 index 0000000000..476007e776 --- /dev/null +++ b/third_party/lcms2-2.6/0003-uninit.patch @@ -0,0 +1,30 @@ +diff --git a/third_party/lcms2-2.6/src/cmstypes.c b/third_party/lcms2-2.6/src/cmstypes.c +index 06742b5..44c5b87 100644 +--- a/third_party/lcms2-2.6/src/cmstypes.c ++++ b/third_party/lcms2-2.6/src/cmstypes.c +@@ -2964,7 +2964,7 @@ void *Type_ColorantTable_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER + { + cmsUInt32Number i, Count; + cmsNAMEDCOLORLIST* List; +- char Name[34]; ++ char Name[33]; + cmsUInt16Number PCS[3]; + + +@@ -2979,7 +2979,7 @@ void *Type_ColorantTable_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER + for (i=0; i < Count; i++) { + + if (io ->Read(io, Name, 32, 1) != 1) goto Error; +- Name[33] = 0; ++ Name[32] = 0; + + if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error; + +@@ -3106,6 +3106,7 @@ void *Type_NamedColor_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* i + + memset(Colorant, 0, sizeof(Colorant)); + if (io -> Read(io, Root, 32, 1) != 1) return NULL; ++ Root[32] = 0; + if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error; + if (!_cmsReadUInt16Array(io, nDeviceCoords, Colorant)) goto Error; + |