From: Ruslan Ermilov <ru@nginx.com>
Date: Thu, 22 Apr 2021 13:12:52 +0000 (+0300)
Subject: Restored zeroing of ngx_channel_t in ngx_pass_open_channel().
X-Git-Tag: release-1.21.0~25
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=f02e2a734ef472f0dcf83ab2e8ce96d1acead8a5;p=nginx.git

Restored zeroing of ngx_channel_t in ngx_pass_open_channel().

Due to structure's alignment, some uninitialized memory contents may have
been passed between processes.

Zeroing was removed in 0215ec9aaa8a.

Reported by Johnny Wang.
---

diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index b31485f88..07cd05e80 100644
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -398,6 +398,8 @@ ngx_pass_open_channel(ngx_cycle_t *cycle)
     ngx_int_t      i;
     ngx_channel_t  ch;
 
+    ngx_memzero(&ch, sizeof(ngx_channel_t));
+
     ch.command = NGX_CMD_OPEN_CHANNEL;
     ch.pid = ngx_processes[ngx_process_slot].pid;
     ch.slot = ngx_process_slot;