On Wed, May 13, 2020 at 10:42:15PM +0200, Michael Niedermayer wrote: > This causes indexes into scale_conversion_table to wrap around, alternatively > they > could be clipped, the table be enlarged or we can error out. I have not found > a document that specifies > what is the correct way to handle this > > Fixes: out of array access > Fixes: > 21727/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HCA_fuzzer-5752477891952640.fuzz > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/hcadec.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
If someone has hca files which do not originate from a fuzzer, these would be helpfull to test this Thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Breaking DRM is a little like attempting to break through a door even though the window is wide open and the only thing in the house is a bunch of things you dont want and which you would get tomorrow for free anyway
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