avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration()
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 2 Jul 2018 16:57:05 +0000 (18:57 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 9 Jul 2018 23:52:56 +0000 (01:52 +0200)
commitb6af5c8880e1b60e5008326329d2e83b3901d638
treeef8ba8bdb1f7cfa14763725b462db7be9a87a269
parent76e10cd327b3070af6df4a581727ba6602776175
avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration()

Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 9163/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5661750182543360

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 652d7c6348f96181fa69f8e2afb7b27a14c0a88a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/jpeg2000dec.c