From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat, 7 Jul 2012 16:43:27 +0000 (+0000)
Subject: [package] uhttpd: do not dispatch pipe error events, fixes use after free for cgi... 
X-Git-Url: http://207.154.207.93/?a=commitdiff_plain;h=1fe9e2d2cf312ce412eddf426af740e92d3558fb;p=15.05%2Fopenwrt.git

[package] uhttpd: do not dispatch pipe error events, fixes use after free for cgi and lua scripts

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32644 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
index 73f6e03bd4..3237fbab57 100644
--- a/package/uhttpd/src/uhttpd.c
+++ b/package/uhttpd/src/uhttpd.c
@@ -573,9 +573,13 @@ static void uh_pipe_cb(struct uloop_fd *u, unsigned int events)
 {
 	struct client *cl = container_of(u, struct client, pipe);
 
-	D("SRV: Client(%d) pipe(%d) readable\n", cl->fd.fd, cl->pipe.fd);
+	if (!u->error)
+	{
+		D("SRV: Client(%d) pipe(%d) readable\n",
+		  cl->fd.fd, cl->pipe.fd);
 
-	uh_client_cb(&cl->fd, ULOOP_WRITE);
+		uh_client_cb(&cl->fd, ULOOP_WRITE);
+	}
 }
 
 static void uh_child_cb(struct uloop_process *p, int rv)