Fix off-by-one error when computing padding

19ed13c7 · Tatsuhiro Tsujikawa · b8ed74c1 · 19ed13c7
Commit 19ed13c7 authored Jun 07, 2014 by Tatsuhiro Tsujikawa
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lib/nghttp2_session.c lib/nghttp2_session.c +1 -1

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--- a/lib/nghttp2_session.c
+++ b/lib/nghttp2_session.c
@@ -4158,7 +4158,7 @@ static ssize_t inbound_frame_compute_pad(nghttp2_inbound_frame *iframe)
  DEBUGF(fprintf(stderr, "recv: padlen=%zu\n", padlen));

  /* We cannot use iframe->frame.hd.length because of CONTINUATION */
-  if(padlen - (padlen > 255) - 1 > iframe->payloadleft) {
+  if(padlen - (padlen > 256) - 1 > iframe->payloadleft) {
    return -1;
  }