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>
Sun, 8 Jul 2018 17:45:47 +0000 (19:45 +0200)
commit836a9d62d121fd03b4c736c336b38d3779a3a208
tree70a03ac4e84d73526747daa3bba40835eda53caa
parent75c0be5b930ec64e5fe5c4099c594477a5646177
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