details: http://hg.nginx.org/nginx/rev/259e2a76e8fb
branches:
changeset: 6844:259e2a76e8fb
user: Ruslan Ermilov <[email protected]>
date: Fri Dec 16 14:53:28 2016 +0300
description:
Resolver: fixed possible use-after-free in worker on fast shutdown.
The fix in a3dc657f4e95 was incomplete.
diffstat:
src/core/ngx_resolver.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diffs (14 lines):
diff -r a3dc657f4e95 -r 259e2a76e8fb src/core/ngx_resolver.c
--- a/src/core/ngx_resolver.c Thu Dec 15 21:44:34 2016 +0300
+++ b/src/core/ngx_resolver.c Fri Dec 16 14:53:28 2016 +0300
@@ -351,6 +351,10 @@ ngx_resolver_cleanup_tree(ngx_resolver_t
next = ctx->next;
if (ctx->event) {
+ if (ctx->event->timer_set) {
+ ngx_del_timer(ctx->event);
+ }
+
ngx_resolver_free(r, ctx->event);
}
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