Update Crashpad to 18d70acf81df49cc10b00bcc67c1ec64e16bd9d0

third_party/crashpad/crashpad/util/file/file_reader.cc

Index: third_party/crashpad/crashpad/util/file/file_reader.cc
diff --git a/third_party/crashpad/crashpad/util/file/file_reader.cc b/third_party/crashpad/crashpad/util/file/file_reader.cc
index 14d06c74b05671c9817481bdaead971fa14405e2..4f5ae773257cfaaa619f119ac3f0121733f0adf6 100644
--- a/third_party/crashpad/crashpad/util/file/file_reader.cc
+++ b/third_party/crashpad/crashpad/util/file/file_reader.cc
@@ -109,10 +109,14 @@ FileOperationResult WeakStdioFileReader::Read(void* data, size_t size) {
   DCHECK(file_);
 
   size_t rv = fread(data, 1, size, file_);
-  if (rv < size && ferror(file_)) {
+  if (rv != size && ferror(file_)) {
     STDIO_PLOG(ERROR) << "fread";
     return -1;
   }
+  if (rv > size) {
+    LOG(ERROR) << "fread: expected " << size << ", observed " << rv;
+    return -1;
+  }
 
   return rv;
 }