avcodec/utils: Check sample_rate before opening the decoder
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 27 Sep 2019 10:31:39 +0000 (12:31 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 30 Sep 2019 20:44:43 +0000 (22:44 +0200)
commit75fefb1fb7ac8b423e08a8dca19b19884a325ebf
tree80b6461c223cf13dee4252a505ec0d58e7eff1ca
parent675f62a202be7cfe9576b48679b8e6bc1183e84e
avcodec/utils: Check sample_rate before opening the decoder

Fixes: signed integer overflow: 2 * -1306460384 cannot be represented in type 'int'
Fixes: 17685/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_fuzzer-5747390337777664
Fixes: 17688/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5739287210885120
Fixes: 17699/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5678394531905536
Fixes: 17738/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5763415733174272
Fixes: 17746/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_RDFT_fuzzer-5703008159006720

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