On Sat, Jun 10, 2023 at 08:31:09PM +0200, Michael Niedermayer wrote: > jpeg2000 overrides the global lowres variable with a lowres field called > reduction_factor > ffmpeg -lowres X causes the reduction_factor to be set > ffplay -lowres X causes both lowres and the reduction_factor to be set > ossfuss sets only lowres > > only the ffmpeg variant works. This patch tries to make the other 2 work. > > Alternative we could just error out if things are inconsistent. > More complex restructuring should be limited to the master branch > to keep this reasonably easy to backport > > Fixes: out of array access > Fixes: 59672/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/jpeg2000dec.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-)
if there are no objections then i plan to apply this in a few days [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Never trust a computer, one day, it may think you are the virus. -- Compn
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