Module: wine Branch: stable Commit: 81ee50fd6aa89e76df0a3852a0e10a25787e5cc4 URL: http://source.winehq.org/git/wine.git/?a=commit;h=81ee50fd6aa89e76df0a3852a0... Author: Michael Müller <michael(a)fds-team.de> Date: Fri Feb 3 09:36:45 2017 +0100 msvideo.dll16: Check if any 16 bit thunks have been allocated before accessing pointer. Signed-off-by: Michael Müller <michael(a)fds-team.de> Signed-off-by: Sebastian Lackner <sebastian(a)fds-team.de> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> (cherry picked from commit ea7cc6fc553ba25fe8acfc6d5a694c54cdbf9c68) Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org> --- dlls/msvideo.dll16/msvideo16.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/dlls/msvideo.dll16/msvideo16.c b/dlls/msvideo.dll16/msvideo16.c index 28f126c..d390020 100644 --- a/dlls/msvideo.dll16/msvideo16.c +++ b/dlls/msvideo.dll16/msvideo16.c @@ -771,6 +771,9 @@ static struct msvideo_thunk* MSVIDEO_HasThunk(HIC16 hic) { struct msvideo_thunk* thunk; + if (!MSVIDEO_Thunks) + return NULL; + for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++) { if (thunk->hIC16 == hic) return thunk;