FFmpeg/libavcodec
Michael Niedermayer 5c2dfe559e
avcodec/hevc/hevcdec: Do not allow slices to depend on failed slices
An alternative would be to leave the context unchanged on failure of hls_slice_header()

Fixes: out of array access
Fixes: NULL pointer dereference
Fixes: 69584/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5931086299856896
Fixes: 69724/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5104066422702080
Fixes: 70422/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5908731129298944

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 5d9544cfb03d8597aa2b0037def3a4679949cec6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-25 20:36:19 +02:00
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