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GAS: Fix OSU Providers List response with invalid configuration 

If the OSU Providers configuration was invalid (included osu_server_uri
but not osu_method_list), it was possible for the GAS response
generation to hit a NULL dereference. Fix this by checking for the
invalid configuration before trying to fill in the OSU methods.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-02-07 17:46:29 +02:00 committed by Jouni Malinen
parent 1722a46b62
commit 65ab7eb1fa
1 changed files with 1 additions and 1 deletions
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2
src/ap/gas_serv.c
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@ -691,7 +691,7 @@ static void anqp_add_osu_provider(struct wpabuf *buf,
/* OSU Method List */
count = wpabuf_put(buf, 1);
for (i = 0; p->method_list[i] >= 0; i++)
for (i = 0; p->method_list && p->method_list[i] >= 0; i++)
wpabuf_put_u8(buf, p->method_list[i]);
*count = i;