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avcodec/jpeg2000dec: Move reslevelno check before use in case JPEG2000_PGOD_RPCL
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 26 Jul 2020 17:41:30 +0000 (19:41 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 28 Jul 2020 19:57:50 +0000 (21:57 +0200)
commit6ea8f03bf4b7bca2f4db28ea57696584e2560e20
treec7863fad6a3d3eedd331a0e800eae7af8896cf41tree | snapshot
parent5f8555d156c96d6aa3d42762923311a73b4d469ccommit | diff
avcodec/jpeg2000dec: Move reslevelno check before use in case JPEG2000_PGOD_RPCL

Fixes: division by zero
Fixes: 24201/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5665813827420160
Fixes: 24245/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6285831682392064
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Gautam Ramakrishnan <gautamramk@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/jpeg2000dec.c diff | blob | history
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