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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-02-27 03:12:23 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-03-13 17:06:09 +0100 |
| commit | 190e8b42834cb7a8af12db25b0f5c8b63abf99a5 (patch) | |
| tree | 30b65c6afd0a804f21a68a423e59ffc64593beac | |
| parent | 327b284b582e2d739241419bcc9d6109d0ce56b3 (diff) | |
| download | ffmpeg-190e8b42834cb7a8af12db25b0f5c8b63abf99a5.tar.gz | |
swscale/utils: clear formatConvBuffer on allocation
Fixes use of uninitialized memory
Fixes: asan_heap-oob_35ca682_1474_cov_3230122439_aletrek_tga_16bit.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 007498fc1a639ecee2cda1892cbcff66c7c8c951)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libswscale/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 50d0498680..80a079b05e 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1050,7 +1050,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->chrDstW = -((-dstW) >> c->chrDstHSubSample); c->chrDstH = -((-dstH) >> c->chrDstVSubSample); - FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail); + FF_ALLOCZ_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail); /* unscaled special cases */ if (unscaled && !usesHFilter && !usesVFilter && |