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merge r3945:

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fix segfault if cache key is larger than upstream buffer size
patch by Lanshun Zhou
This commit is contained in:
Igor Sysoev 2011-07-19 14:15:50 +00:00
parent 97bf815054
commit e0ec6a04f5
1 changed files with 9 additions and 0 deletions
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9
src/http/ngx_http_upstream.c
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@ -620,6 +620,15 @@ ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u)
ngx_http_file_cache_create_key(r);
if (c->header_start >= u->conf->buffer_size) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"cache key too large, increase upstream buffer size %uz",
u->conf->buffer_size);
r->cache = NULL;
return NGX_DECLINED;
}
u->cacheable = 1;
c->min_uses = u->conf->cache_min_uses;