nginx 0.3.55 *) Feature: the "stub" parameter in the "include" SSI command. *) Feature: the "block" SSI command. *) Feature: the unicode2nginx script was added to contrib. *) Bugfix: if a "root" was specified by variable only, then the root was relative to a server prefix. *) Bugfix: if the request contained "//" or "/./" and escaped symbols after them, then the proxied request was sent unescaped. *) Bugfix: the $r->headers_in("Cookie") of the ngx_http_perl_module now returns all "Cookie" header lines. *) Bugfix: a segmentation fault occurred if "client_body_in_file_only on" was used and nginx switched to a next upstream. *) Bugfix: on some condition while reconfiguration character codes inside the "charset_map" may be treated invalid; bug appeared in 0.3.50.

--- a/src/http/ngx_http_request_body.c
+++ b/src/http/ngx_http_request_body.c
@@ -92,6 +92,8 @@ ngx_http_read_client_request_body(ngx_ht
         rb->bufs->buf = b;
         rb->bufs->next = NULL;
 
+        rb->buf = b;
+
         if ((off_t) preread >= r->headers_in.content_length_n) {
 
             /* the whole request body was pre-read */
@@ -124,8 +126,6 @@ ngx_http_read_client_request_body(ngx_ht
 
             /* the whole request body may be placed in r->header_in */
 
-            rb->buf = b;
-
             r->read_event_handler = ngx_http_read_client_request_body_handler;
 
             return ngx_http_do_read_client_request_body(r);