avcodec/hevc_sei: Fix integer overflows in decode_nal_sei_message()
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 15 Dec 2017 16:50:12 +0000 (17:50 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 30 Dec 2017 20:11:32 +0000 (21:11 +0100)
commitbdba0f6786d57356c2ead515338fb44754aa91c4
tree7fb63acc976086b8692c945277368682e889688e
parentbadca11741ea9bd0b4aa1b3af69f38754d4c69e0
avcodec/hevc_sei: Fix integer overflows in decode_nal_sei_message()

Fixes: signed integer overflow: 2147483520 + 255 cannot be represented in type 'int'
Fixes: 4554/clusterfuzz-testcase-minimized-4843714515042304

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 991ef6e5b9a6a9d95e274ff6bff52db1c82b3808)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/hevc_sei.c