[FFmpeg-devel] [PATCH] avformat/tls_schannel: Fix use of uninitialized variable

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Aug 17 15:51:06 EEST 2018


2018-08-17 14:36 GMT+02:00, Hendrik Leppkes <h.leppkes at gmail.com>:
> On Fri, Aug 17, 2018 at 12:05 PM Paweł Wegner <pawel.wegner95 at gmail.com>
> wrote:
>>
>> Yes, it will work.
>>
>> Fixes: runtime error: passing uninitialized value to FreeContextBuffer
>> causes a crash
>>
>> Signed-off-by: Paweł Wegner <pawel.wegner95 at gmail.com>
>> ---
>>  libavformat/tls_schannel.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/libavformat/tls_schannel.c b/libavformat/tls_schannel.c
>> index f41b007773..4f0badcb8d 100644
>> --- a/libavformat/tls_schannel.c
>> +++ b/libavformat/tls_schannel.c
>> @@ -148,7 +148,7 @@ static int tls_client_handshake_loop(URLContext *h,
>> int initial)
>>      TLSContext *c = h->priv_data;
>>      TLSShared *s = &c->tls_shared;
>>      SECURITY_STATUS sspi_ret;
>> -    SecBuffer outbuf[3];
>> +    SecBuffer outbuf[3] = { 0 };
>>      SecBufferDesc outbuf_desc;
>>      SecBuffer inbuf[2];
>>      SecBufferDesc inbuf_desc;
>> --
>> 2.17.1
>>
>
> LGTM.

Then please commit.

Carl Eugen


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