avcodec/dirac_dwt_template: Fix undefined behavior in interleave()
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 14 Jun 2018 14:37:32 +0000 (16:37 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 16 Jul 2018 17:06:27 +0000 (19:06 +0200)
commitc66723ec498019ab14139905d0b5f0c9af6e377b
treec308ea5d9cbb0d0b6fe8b737c6d5d8b62083f44f
parent96cf8a9cf993db44007dd438edbbbdf69279943e
avcodec/dirac_dwt_template: Fix undefined behavior in interleave()

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8697/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5197148130902016

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 575d8ca0260fabac29e5b3541154633569ce2b5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dirac_dwt_template.c