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avcodec/imm4: Use ff_set_dimensions()

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Fixes: Out of memory
Fixes: 10970/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5698750043914240

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2018-11-09 23:07:23 +01:00
parent 6dafcb6fdb
commit c305e134ce
1 changed files with 3 additions and 2 deletions
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5
libavcodec/imm4.c
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@@ -428,8 +428,9 @@ static int decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "Frame size change is unsupported.\n"); av_log(avctx, AV_LOG_ERROR, "Frame size change is unsupported.\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
avctx->width = width; ret = ff_set_dimensions(avctx, width, height);
avctx->height = height; if (ret < 0)
return ret;
} }
s->changed_size = 1; s->changed_size = 1;