1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/ngx_hunk.c b/src/core/ngx_hunk.c
index 1441b7c08..992db16a0 100644
--- a/src/core/ngx_hunk.c
+++ b/src/core/ngx_hunk.c
@@ -152,6 +152,10 @@ void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
             break;
         }
 #endif
+        if (((*busy)->hunk->type & NGX_HUNK_TEMP) == 0) {
+            *busy = (*busy)->next;
+            continue;
+        }
 
         (*busy)->hunk->pos = (*busy)->hunk->last = (*busy)->hunk->start;