Zebediah Figura : quartz: Fix a use-after-free in FilterGraph2_Connect().

Alexandre Julliard julliard at winehq.org
Tue Feb 27 17:29:33 CST 2018


Module: wine
Branch: master
Commit: e5db13a8c89b557d380abc41dc8999d6f644de40
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e5db13a8c89b557d380abc41dc8999d6f644de40

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Tue Feb 27 00:01:27 2018 -0600

quartz: Fix a use-after-free in FilterGraph2_Connect().

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/quartz/filtergraph.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index f9bc47b..0113674 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -1049,6 +1049,7 @@ static HRESULT WINAPI FilterGraph2_Connect(IFilterGraph2 *iface, IPin *ppinOut,
         if (IsEqualGUID(&clsid, &FilterCLSID)) {
             /* Skip filter (same as the one the output pin belongs to) */
             IBaseFilter_Release(pfilter);
+            pfilter = NULL;
             goto error;
         }
 




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