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8273135: java/awt/color/ICC_ColorSpace/MTTransformReplacedProfile.java crashes in liblcms.dylib with NULLSeek+0x7 #807

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8273135: java/awt/color/ICC_ColorSpace/MTTransformReplacedProfile.java crashes in liblcms.dylib with NULLSeek+0x7 #807

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4 changes: 3 additions & 1 deletion jdk/src/share/native/sun/java2d/cmm/lcms/cmsio0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1660,7 +1660,7 @@ cmsBool IsTypeSupported(cmsTagDescriptor* TagDescriptor, cmsTagTypeSignature Typ
void* CMSEXPORT cmsReadTag(cmsHPROFILE hProfile, cmsTagSignature sig)
{
_cmsICCPROFILE* Icc = (_cmsICCPROFILE*) hProfile;
cmsIOHANDLER* io = Icc ->IOhandler;
cmsIOHANDLER* io;
cmsTagTypeHandler* TypeHandler;
cmsTagTypeHandler LocalTypeHandler;
cmsTagDescriptor* TagDescriptor;
Expand Down Expand Up @@ -1705,6 +1705,8 @@ void* CMSEXPORT cmsReadTag(cmsHPROFILE hProfile, cmsTagSignature sig)

if (TagSize < 8) goto Error;

io = Icc ->IOhandler;

if (io == NULL) { // This is a built-in profile that has been manipulated, abort early

cmsSignalError(Icc->ContextID, cmsERROR_CORRUPTION_DETECTED, "Corrupted built-in profile.");
Expand Down