From 9ea4be7e4ec5d0d24cddb5868aa4920f0298ee67 Mon Sep 17 00:00:00 2001
From: Max Romanov <max.romanov@nginx.com>
Date: Fri, 28 Jun 2019 12:19:48 +0300
Subject: [PATCH] Fixing allocation alignment for port fragments.

All allocated blocks for lvlhash required to be aligned because lower
address bits used for various extra information.  Using unaligned blocks
may cause invalid memory aceess.

This was issue found on buildbot running large configuration tests.
---
 src/nxt_port_socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nxt_port_socket.c b/src/nxt_port_socket.c
index c9b5105b..fe113a68 100644
--- a/src/nxt_port_socket.c
+++ b/src/nxt_port_socket.c
@@ -668,7 +668,7 @@ nxt_port_lvlhsh_frag_test(nxt_lvlhsh_query_t *lhq, void *data)
 static void *
 nxt_port_lvlhsh_frag_alloc(void *ctx, size_t size)
 {
-    return nxt_mp_alloc(ctx, size);
+    return nxt_mp_align(ctx, size, size);
 }