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avcodec/cbs_jpeg: Fix infinite loop in cbs_jpeg_split_fragment()
Fixes: Timeout Fixes: 21104/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5129580475318272 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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@ -148,15 +148,14 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
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if (marker == JPEG_MARKER_EOI) {
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break;
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} else if (marker == JPEG_MARKER_SOS) {
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next_marker = -1;
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for (i = start; i + 1 < frag->data_size; i++) {
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if (frag->data[i] != 0xff)
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continue;
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end = i;
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for (++i; i + 1 < frag->data_size &&
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frag->data[i] == 0xff; i++);
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if (i + 1 >= frag->data_size) {
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next_marker = -1;
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} else {
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if (i + 1 < frag->data_size) {
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if (frag->data[i] == 0x00)
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continue;
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next_marker = frag->data[i];
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