details: https://hg.nginx.org/nginx/rev/f2ff291bbdac
branches:
changeset: 7830:f2ff291bbdac
user: Ruslan Ermilov <r...@nginx.com>
date: Thu Apr 22 16:12:52 2021 +0300
description:
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.
diffstat:
src/os/unix/ngx_process_cycle.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diffs (12 lines):
diff -r 2851e4c7de03 -r f2ff291bbdac src/os/unix/ngx_process_cycle.c
--- a/src/os/unix/ngx_process_cycle.c Wed Apr 21 23:24:59 2021 +0300
+++ b/src/os/unix/ngx_process_cycle.c Thu Apr 22 16:12:52 2021 +0300
@@ -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;
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