avcodec/ilbcdec: Fix integer overflow in construct_vector()
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 14 Jan 2019 23:02:25 +0000 (00:02 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 31 Jan 2019 16:20:24 +0000 (17:20 +0100)
commit62f5325ca30a3cc27c625bb468d65e2e4bfd7996
treead4b86c5142b59a238c4e50aa3e2b90fe8338e4a
parentbcfd82b0be0a389497d641b330e29923ce05e5fe
avcodec/ilbcdec: Fix integer overflow in construct_vector()

webrtc contains explicit code to ignore the undefined behavior (RTC_NO_SANITIZE / OverflowingAddS32S32ToS32())

Probably fixes: Integer overflow (unreproducable here)
Probably fixes: 12215/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-5767142427852800

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 c95d0fb23917c35886f3b62daa05af20d2700a1e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/ilbcdec.c