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avformat/img2dec: Clear padding data after EOF
Fixes: use-of-uninitialized-value
Fixes: 70852/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5179190066872320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Kacper Michajlow <kasper93@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3978e81809
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -553,6 +553,7 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
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}
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goto fail;
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} else {
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memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
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s->img_count++;
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s->img_number++;
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s->pts++;
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