[FFmpeg-devel] [PATCH 2/3] avcodec/qdm2: error out of qdm2_fft_decode_tones() before entering endless loop

[Michael Niedermayer]

On Mon, Jun 24, 2019 at 01:01:03AM +0200, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
> Fixes: infinite loop
> Fixes: 15396/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5116605501014016
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/qdm2.c | 4 ++++
>  1 file changed, 4 insertions(+)

will apply

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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