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| author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-12-02 21:52:23 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-14 16:51:01 +0100 |
| commit | 9a8d2f51cf0548aa3724e2a46e58416b333c755f (patch) | |
| tree | c7fa08b768d82c3c102011faf1d3301314eff4cc /doc/examples/decoding_encoding.c | |
| parent | d013f51303de27126f92dfa4357c14243019037a (diff) | |
| download | ffmpeg-9a8d2f51cf0548aa3724e2a46e58416b333c755f.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: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'doc/examples/decoding_encoding.c')
0 files changed, 0 insertions, 0 deletions