Update from https://crrev.com/311346

third_party/qcms/src/iccread.c

Index: third_party/qcms/src/iccread.c
diff --git a/third_party/qcms/src/iccread.c b/third_party/qcms/src/iccread.c
index aca19d3ffec5b61847e3bae02bf39b7200aca0c2..7790c07f490e7819d2c6a179d06ca06a21730103 100644
--- a/third_party/qcms/src/iccread.c
+++ b/third_party/qcms/src/iccread.c
@@ -366,6 +366,7 @@ static bool read_tag_descType(qcms_profile *profile, struct mem_source *src, str
 		uint32_t type = read_u32(src, offset);
 		uint32_t length = read_u32(src, offset+8);
 		uint32_t i, description;
+		bool mluc = false;
 		if (length && type == MLUC_TYPE) {
 			length = read_u32(src, offset+20);
 			if (!length || (length & 1) || (read_u32(src, offset+12) != 12))
@@ -373,6 +374,7 @@ static bool read_tag_descType(qcms_profile *profile, struct mem_source *src, str
 			description = offset + read_u32(src, offset+24);
 			if (!src->valid)
 				goto invalid_desc_tag;
+			mluc = true;
 		} else if (length && type == DESC_TYPE) {
 			description = offset + 12;
 		} else {
@@ -380,8 +382,14 @@ static bool read_tag_descType(qcms_profile *profile, struct mem_source *src, str
 		}
 		if (length >= limit)
 			length = limit - 1;
-		for (i = 0; i < length; ++i)
-			profile->description[i] = read_u8(src, description+i);
+		for (i = 0; i < length; ++i) {
+			uint8_t value = read_u8(src, description+i);
+			if (!src->valid)
+				goto invalid_desc_tag;
+			if (mluc && !value)
+				value = '.';
+			profile->description[i] = value;
+		}
 		profile->description[length] = 0;
 	} else {
 		goto invalid_desc_tag;