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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-30 21:51:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-01 23:12:07 +0100 |
| commit | b5587fd2c6ce39bad7a5e7ebb3bd86b6469648de (patch) | |
| tree | 67609c94bb610354ab76aadb906f62cde6049535 /libavcodec/j2kenc.c | |
| parent | 0674087004538599797688785f6ac82358abc23b (diff) | |
| download | ffmpeg-b5587fd2c6ce39bad7a5e7ebb3bd86b6469648de.tar.gz | |
avcodec/jpeg2000: Only allocate Jpeg2000Pass for the encoder
Reduces memory needed.
Fixes: OOM
Fixes: 4427/clusterfuzz-testcase-minimized-5106919271301120
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/j2kenc.c')
| -rw-r--r-- | libavcodec/j2kenc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c index 78ec88a694..3e542af3c6 100644 --- a/libavcodec/j2kenc.c +++ b/libavcodec/j2kenc.c @@ -941,7 +941,9 @@ static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno } if (!prec->cblk[cblkno].data) prec->cblk[cblkno].data = av_malloc(1 + 8192); - if (!prec->cblk[cblkno].data) + if (!prec->cblk[cblkno].passes) + prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes)); + if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes) return AVERROR(ENOMEM); encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0, bandpos, codsty->nreslevels - reslevelno - 1); |