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[nginx] Fixed null pointer dereference with $upstream_cache_last...

Ruslan Ermilov
December 03, 2013 07:16AM
details: http://hg.nginx.org/nginx/rev/b7b8e2fa7ebd
branches:
changeset: 5453:b7b8e2fa7ebd
user: Ruslan Ermilov <ru@nginx.com>
date: Tue Dec 03 15:11:24 2013 +0400
description:
Fixed null pointer dereference with $upstream_cache_last_modified.

diffstat:

src/http/ngx_http_upstream.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r b7bf4671bb7b -r b7b8e2fa7ebd src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c Fri Nov 29 17:23:47 2013 +0400
+++ b/src/http/ngx_http_upstream.c Tue Dec 03 15:11:24 2013 +0400
@@ -4555,7 +4555,8 @@ ngx_http_upstream_cache_last_modified(ng
{
u_char *p;

- if (!r->upstream->conf->cache_revalidate
+ if (r->upstream == NULL
+ || !r->upstream->conf->cache_revalidate
|| r->upstream->cache_status != NGX_HTTP_CACHE_EXPIRED
|| r->cache->last_modified == -1)
{

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Subject Author Views Posted

[nginx] Fixed null pointer dereference with $upstream_cache_last...

Ruslan Ermilov 748 December 03, 2013 07:16AM



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