diff options
Diffstat (limited to 'third_party/libtiff/0013-validate-refblackwhite.patch')
| -rw-r--r-- | third_party/libtiff/0013-validate-refblackwhite.patch | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/libtiff/0013-validate-refblackwhite.patch b/third_party/libtiff/0013-validate-refblackwhite.patch new file mode 100644 index 0000000000..a314fbdc3f --- /dev/null +++ b/third_party/libtiff/0013-validate-refblackwhite.patch @@ -0,0 +1,19 @@ +diff --git a/third_party/libtiff/tif_dir.c b/third_party/libtiff/tif_dir.c +index 73212c02d..16ce3d3ce 100644 +--- a/third_party/libtiff/tif_dir.c ++++ b/third_party/libtiff/tif_dir.c +@@ -426,6 +426,14 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap) + case TIFFTAG_REFERENCEBLACKWHITE: + /* XXX should check for null range */ + _TIFFsetFloatArray(&td->td_refblackwhite, va_arg(ap, float*), 6); ++ for (int i = 0; i < 6; i++) { ++ if (isnan(td->td_refblackwhite[i])) { ++ if (i % 2 == 0) ++ td->td_refblackwhite[i] = 0; ++ else ++ td->td_refblackwhite[i] = pow(2, td->td_bitspersample) - 1; ++ } ++ } + break; + case TIFFTAG_INKNAMES: + v = (uint16) va_arg(ap, uint16_vap); |