avcodec/ac3dec: Check that the number of channels with dependant streams is valid
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 25 May 2018 20:55:19 +0000 (22:55 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 27 May 2018 21:10:12 +0000 (23:10 +0200)
commite3275f937dc38e740c74539f2f6aad5bfdba2bf1
tree518dd8d1750ca164b668574f3367811fb1b87640
parente3f656f2dea6ef6e2a14e72931f3d6f205f732c8
avcodec/ac3dec: Check that the number of channels with dependant streams is valid

Fixes: left shift of 1 by 63 places cannot be represented in type 'long long'
Fixes: out of array access
Fixes: 7284/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AC3_fuzzer-5767914968842240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/ac3dec.c