Add checks for unsupported colorspace

Those profiles are just broken.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/cmsgmt.c b/src/cmsgmt.c
index e6c27c1..d4b2d7d 100644
--- a/src/cmsgmt.c
+++ b/src/cmsgmt.c
@@ -472,6 +472,9 @@ cmsFloat64Number CMSEXPORT cmsDetectTAC(cmsHPROFILE hProfile)
     // Create a fake formatter for result

     dwFormatter = cmsFormatterForColorspaceOfProfile(hProfile, 4, TRUE);

 

+    // Unsupported color space?

+    if (dwFormatter == 0) return 0;

+

     bp.nOutputChans = T_CHANNELS(dwFormatter);

     bp.MaxTAC = 0;    // Initial TAC is 0

 

diff --git a/src/cmspack.c b/src/cmspack.c
index 9d312a0..2177682 100644
--- a/src/cmspack.c
+++ b/src/cmspack.c
@@ -3842,6 +3842,9 @@ cmsUInt32Number CMSEXPORT cmsFormatterForColorspaceOfProfile(cmsHPROFILE hProfil
     cmsInt32Number         nOutputChans    = cmsChannelsOfColorSpace(ColorSpace);
     cmsUInt32Number        Float           = lIsFloat ? 1U : 0;
 
+    // Unsupported color space?
+    if (nOutputChans < 0) return 0;
+
     // Create a fake formatter for result
     return FLOAT_SH(Float) | COLORSPACE_SH(ColorSpaceBits) | BYTES_SH(nBytes) | CHANNELS_SH(nOutputChans);
 }
@@ -3856,6 +3859,9 @@ cmsUInt32Number CMSEXPORT cmsFormatterForPCSOfProfile(cmsHPROFILE hProfile, cmsU
     cmsUInt32Number nOutputChans = cmsChannelsOf(ColorSpace);
     cmsUInt32Number Float = lIsFloat ? 1U : 0;
 
+    // Unsupported color space?
+    if (nOutputChans < 0) return 0;
+
     // Create a fake formatter for result
     return FLOAT_SH(Float) | COLORSPACE_SH(ColorSpaceBits) | BYTES_SH(nBytes) | CHANNELS_SH(nOutputChans);
 }