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| author | Ruslan Ermilov <ru@nginx.com> | 2012-12-26 14:46:06 +0000 |
|---|---|---|
| committer | Ruslan Ermilov <ru@nginx.com> | 2012-12-26 14:46:06 +0000 |
| commit | f8a6de481c9af7e7f0c0d2ab0e406e3804b8fc1c (patch) | |
| tree | c8a0d22707f9de2c6a399ef01b9264d4fc09f6c7 | |
| parent | 0a668faba4953eed082417f1d78b1a97f73a1ebe (diff) | |
| download | nginx-f8a6de481c9af7e7f0c0d2ab0e406e3804b8fc1c.tar.gz nginx-f8a6de481c9af7e7f0c0d2ab0e406e3804b8fc1c.zip | |
Upstream keepalive: detect duplicate "keepalive" directive.
A failure to detect duplicate "keepalive" directive resulted in
stack exhaustion.
| -rw-r--r-- | src/http/modules/ngx_http_upstream_keepalive_module.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/http/modules/ngx_http_upstream_keepalive_module.c b/src/http/modules/ngx_http_upstream_keepalive_module.c index d10e3d016..a2ad5aa8d 100644 --- a/src/http/modules/ngx_http_upstream_keepalive_module.c +++ b/src/http/modules/ngx_http_upstream_keepalive_module.c @@ -502,6 +502,10 @@ ngx_http_upstream_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) kcf = ngx_http_conf_upstream_srv_conf(uscf, ngx_http_upstream_keepalive_module); + if (kcf->original_init_upstream) { + return "is duplicate"; + } + kcf->original_init_upstream = uscf->peer.init_upstream ? uscf->peer.init_upstream : ngx_http_upstream_init_round_robin; |