avcodec/jpeg2000dwt: Fix integer overflow in dwt_decode97_int()
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 18 Feb 2019 23:05:51 +0000 (00:05 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Fri, 1 Mar 2019 22:25:08 +0000 (23:25 +0100)
commit4801eea0d465cd54670e7c19322705544e3e7524
tree06a27bfbf73677d9e0a2214a18c5a72c0447708e
parent694d9d53685333771823285457bdd1ef1480eafc
avcodec/jpeg2000dwt: Fix integer overflow in dwt_decode97_int()

Fixes: runtime error: signed integer overflow: 2147483598 + 128 cannot be represented in type 'int'
Fixes: 12926/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5705100733972480

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/jpeg2000dwt.c