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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-05-04 22:52:41 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-11 21:23:49 +0200 |
| commit | e618928e40a345b4e6cbda08a6452d07483c5895 (patch) | |
| tree | 84ab3d74fa63a9501c4842ac04c6e68eb18841eb | |
| parent | ba0f5aa4cb72d956b90b2d521d40bcd3f30aefdc (diff) | |
| download | ffmpeg-e618928e40a345b4e6cbda08a6452d07483c5895.tar.gz | |
avcodec/iff: Only write palette to plane 1 if its PAL8
Fixes: null pointer passed as argument 1, which is declared to never be null
Fixes: 33791/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5107575256383488.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 216eb60b853e9a230c1238ab7d1c63d3fa892d34)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/iff.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/iff.c b/libavcodec/iff.c index 6ec2dd60ad..dbd51cb895 100644 --- a/libavcodec/iff.c +++ b/libavcodec/iff.c @@ -1845,7 +1845,8 @@ static int decode_frame(AVCodecContext *avctx, buf += s->planesize; } } - memcpy(frame->data[1], s->pal, 256 * 4); + if (avctx->pix_fmt == AV_PIX_FMT_PAL8) + memcpy(frame->data[1], s->pal, 256 * 4); } else if (s->ham) { int i, count = 1 << s->ham; |