QUIC: fixed udp buffer initialization.

The start field is used to check if the QUIC packet is first in the datagram.
This fixes stateless reset detection.

diff --git a/src/event/ngx_event_udp.c b/src/event/ngx_event_udp.c
index d0c7660624a9c23e5287d9c24fa7d0e30f537056..d6b11d0b61a1b1b517205bd66ed044c9dbb7b6e1 100644 (file)
--- a/src/event/ngx_event_udp.c
+++ b/src/event/ngx_event_udp.c
@@ -279,6 +279,8 @@ ngx_event_recvmsg(ngx_event_t *ev)
 
             buf.pos = buffer;
             buf.last = buffer + n;
+            buf.start = buf.pos;
+            buf.end = buffer + sizeof(buffer);
 
             rev = c->read;