diff -up chromium-93.0.4577.63/buildtools/linux64/clang-format.clang-format-py3 chromium-93.0.4577.63/buildtools/linux64/clang-format
--- chromium-93.0.4577.63/buildtools/linux64/clang-format.clang-format-py3	2021-09-03 04:42:46.736294345 +0000
+++ chromium-93.0.4577.63/buildtools/linux64/clang-format	2021-09-03 04:59:55.296512600 +0000
@@ -10,9 +10,9 @@ import sys
 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
@@ -34,14 +34,14 @@ try:
     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)
         sys.exit(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())