diff -up chromium-94.0.4606.81/buildtools/linux64/clang-format.clang-format-py3 chromium-94.0.4606.81/buildtools/linux64/clang-format
--- chromium-94.0.4606.81/buildtools/linux64/clang-format.clang-format-py3	2021-10-08 11:26:16.411861005 -0400
+++ chromium-94.0.4606.81/buildtools/linux64/clang-format	2021-10-08 11:32:16.005895508 -0400
@@ -12,9 +12,9 @@ def main():
   args = sys.argv[1:]
   inputfiles = [a for a in args if not a.startswith('-')]
 
-  contents = ''
+  contents = b''
   if '-' in args or not inputfiles:
-    contents = sys.stdin.read()
+    contents = sys.stdin.buffer.read()
 
   # Tarball builds may or may not have depot_tools in $PATH. In the former case,
   # running 'clang-format' will call back into this script infinitely. Strip off
@@ -37,17 +37,17 @@ def main():
     stdout, stderr = proc.communicate(input=contents)
     # Ignore if clang-format fails. Eg: it may be too old to support C++14.
     if proc.returncode == 0:
-      sys.stdout.write(stdout)
-      sys.stderr.write(stderr)
+      sys.stdout.buffer.write(stdout)
+      sys.stderr.buffer.write(stderr)
       return 0
   except OSError:
     # Ignore if clang-format is not installed.
     pass
 
   # If any failure happens, continue with unformatted files.
-  sys.stdout.write(contents)
+  sys.stdout.buffer.write(contents)
   for inputfile in inputfiles:
-    sys.stdout.write(open(inputfile).read())
+    sys.stdout.buffer.write(open(inputfile).read())
 
   return 0