bugfix: clear tag in ngx_buf_t to avoid double free

2022-10-27 22:24:18 +08:00 · 2022-10-27 22:24:18 +08:00 · cf1eba6118
parent e7e21f9b40
commit cf1eba6118
1 changed files with 11 additions and 0 deletions
--- a/patches/nginx-1.21.4-clear_ngx_buf_tag.patch
+++ b/patches/nginx-1.21.4-clear_ngx_buf_tag.patch
@ -0,0 +1,11 @@
+diff -aNur nginx-1.21.4/src/core/ngx_buf.c nginx-1.21.4-patched/src/core/ngx_buf.c
+--- nginx-1.21.4/src/core/ngx_buf.c	2021-11-05 13:06:14.000000000 +0800
+++ nginx-1.21.4-patched/src/core/ngx_buf.c	2022-10-27 21:45:48.943152558 +0800
+@@ -213,6 +213,8 @@
+             break;
+         }
+ 
+        cl->buf->tag = 0;
+
+         cl->buf->pos = cl->buf->start;
+         cl->buf->last = cl->buf->start;