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author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-12-02 21:52:23 +0100 |
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committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-12-17 21:51:33 +0100 |
commit | a90967013b1c2519cd7f7969ba29562cf37565c4 (patch) | |
tree | a0e159e9f129eb7fa7b1b5e71de1dc9a70ea97c8 /libavutil/timecode.c | |
parent | 7db1014b314abe4f5eaf9ae7f7de5d030b09a6a1 (diff) | |
download | ffmpeg-a90967013b1c2519cd7f7969ba29562cf37565c4.tar.gz |
mjpegdec: consider chroma subsampling in size check
If the chroma components are subsampled, smaller buffers are allocated
for them. In that case the maximal block_offset for the chroma
components is not as large as for the luma component.
This fixes out of bounds writes causing segmentation faults or memory
corruption.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 5adb5d9d894aa495e7bf9557b4c78350cbfc9d32)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Diffstat (limited to 'libavutil/timecode.c')
0 files changed, 0 insertions, 0 deletions