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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>
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@ -1847,7 +1847,8 @@ static int decode_frame(AVCodecContext *avctx,
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buf += s->planesize;
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buf += s->planesize;
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}
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}
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}
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}
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memcpy(frame->data[1], s->pal, 256 * 4);
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if (avctx->pix_fmt == AV_PIX_FMT_PAL8)
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memcpy(frame->data[1], s->pal, 256 * 4);
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} else if (s->ham) {
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} else if (s->ham) {
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int i, count = 1 << s->ham;
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int i, count = 1 << s->ham;
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