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>
Sun, 24 Mar 2019 09:39:03 +0000 (10:39 +0100)
commit6299f85cf20e4d704f80bc856635d68a61122053
treeb965b829ac7071be6ab30bebaa1a1b23eb1fac61
parent8a598030e2d0d1034ac0ed18623dc690e1d59b86
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>
(cherry picked from commit 4801eea0d465cd54670e7c19322705544e3e7524)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/jpeg2000dwt.c