[FFmpeg-devel] [PATCH 1/3] avformat/matroskadec: Reset state also on failure in matroska_reset_status()

[Michael Niedermayer]

On Thu, Jun 24, 2021 at 10:57:22PM +0200, Michael Niedermayer wrote:
> The calling code does not handle failures and will fail with assertion failures later.
> Seeking can always fail even when the position was previously read.
> 
> Fixes: Assertion failure
> Fixes: 35253/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-4693059982983168
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavformat/matroskadec.c | 19 ++++++++++++-------
>  1 file changed, 12 insertions(+), 7 deletions(-)

will apply as no other solution was implemented by anyone

thx

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

Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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