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curl_multi_cleanup: clear connection pointer for easy handles

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CVE-2016-5421
Bug: https://curl.haxx.se/docs/adv_20160803C.html
Reported-by: Marcelo Echeverria and Fernando Muñoz
This commit is contained in:
Daniel Stenberg 2016-07-31 01:09:04 +02:00
parent 9cb1059f92
commit 75dc096e01
1 changed files with 2 additions and 0 deletions
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2
lib/multi.c
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@ -2157,6 +2157,8 @@ static void close_all_connections(struct Curl_multi *multi)
conn->data = multi->closure_handle; conn->data = multi->closure_handle;
sigpipe_ignore(conn->data, &pipe_st); sigpipe_ignore(conn->data, &pipe_st);
conn->data->easy_conn = NULL; /* clear the easy handle's connection
pointer */
/* This will remove the connection from the cache */ /* This will remove the connection from the cache */
(void)Curl_disconnect(conn, FALSE); (void)Curl_disconnect(conn, FALSE);
sigpipe_restore(&pipe_st); sigpipe_restore(&pipe_st);