Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 09621fd7d93a12974e9664b2aebb8237e5c46f03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Enable the checked bitreader to avoid overread.
Also add a few checks in loops and between blocks so we exit instead of continued
execution.
Alternatively we could add manual checks so that no overread can happen. This would be
slightly faster but a bit more work and a bit more fragile
Fixes: Out of array accesses
Fixes: 59640/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-6584117345779712
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1ec4553e355039ce69abf8e49389fa43f1f55fc5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 25c937c0e03895866d9f5bcc659ad6afc53e20f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
