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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-18 15:49:20 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-12-18 15:52:08 +0100 |
| commit | 1935173fd1decb494300bf96b507419aae2b116a (patch) | |
| tree | b4839dbbec113c215d90e31b5301aa5267cee0e2 | |
| parent | aeccb522ebb6fb0378bccd6393f1d0c1ca40fdd4 (diff) | |
| download | ffmpeg-1935173fd1decb494300bf96b507419aae2b116a.tar.gz | |
avcodec/dirac_dwt: initialize support value for fidelity wavelet
Avoids use of uninitialized memory
Fixes: msan_uninit-mem_7f15e1988a6e_2748_RL_420p_ffdirac.drc
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/dirac_dwt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/dirac_dwt.c b/libavcodec/dirac_dwt.c index bbd8ec74a6..51a924be95 100644 --- a/libavcodec/dirac_dwt.c +++ b/libavcodec/dirac_dwt.c @@ -535,6 +535,7 @@ int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0; d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0; d->horizontal_compose = horizontal_compose_fidelityi; + d->support = 0; // not really used break; case DWT_DIRAC_DAUB9_7: d->spatial_compose = spatial_compose_daub97i_dy; |