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>
Fri, 15 Jun 2018 19:52:33 +0000 (21:52 +0200)
commit575d8ca0260fabac29e5b3541154633569ce2b5d
treeb962aa6d97087e9fac907d0e0aec985c7259022a
parentaa41d322be71106ce147445f2b42bb763f1eff86
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>
libavcodec/dirac_dwt_template.c