MINOR: quic: Wrong value for version negotiation packet 'Unused' field
The seven less significant bits of the first byte must be arbitrary.
Without this fix, QUIC tracker "version_negotiation" test could not pass.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 86c7ff8..6b45630 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -3551,8 +3551,10 @@
* header form
* long header, fixed bit to 0 for Version Negotiation
*/
- buf[i++] = '\x80';
+ if (RAND_bytes((unsigned char *)buf, 1) != 1)
+ return 1;
+ buf[i++] |= '\x80';
/* null version for Version Negotiation */
buf[i++] = '\x00';
buf[i++] = '\x00';