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uclient: Handle memory allocation failure for url
author
Tobias Schramm
<tobleminer@gmail.com>
Sun, 18 Feb 2018 12:46:10 +0000
(13:46 +0100)
committer
John Crispin
<john@phrozen.org>
Tue, 20 Feb 2018 07:29:00 +0000
(08:29 +0100)
Check ptr to url after allocation to prevent null pointer
dereference
Signed-off-by: Tobias Schramm <tobleminer@gmail.com>
uclient.c
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diff --git
a/uclient.c
b/uclient.c
index 8862b557b975204d723923c4c3ab64ffea8763e9..11371684e8a15cdd8566263d2a3b8b670880b7a2 100644
(file)
--- a/
uclient.c
+++ b/
uclient.c
@@
-59,6
+59,9
@@
__uclient_get_url(const struct uclient_backend *backend,
&uri_buf, strlen(location) + 1,
&auth_buf, auth_str ? strlen(auth_str) + 1 : 0);
+ if (!url)
+ return NULL;
+
url->backend = backend;
url->location = strcpy(uri_buf, location);
if (host)