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5 commits

Author SHA1 Message Date
Michael Niedermayer
866ad2e952 avcodec/speexdec: Check frames_per_packet more completely 
Fixes: signed integer overflow: 2105344 * 539033345 cannot be represented in type 'int'
Fixes: out of array write
Fixes: 39956/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-4766419250708480
Fixes: 40293/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-5219910217760768

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-11-14 17:51:35 +01:00
Andreas Rheinhardt
ddd701fbbf avcodec/speexdec: Remove dead code 
Fixes Coverity issue #1492840.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-11-09 15:44:14 +01:00
Michael Niedermayer
85c169f6a6 avcodec/speexdec: Seed should be unsigned otherwise the operations done on it are undefined 
Fixes: signed integer overflow: 1664525000 + 1013904223 cannot be represented in type 'int'
Fixes: 39865/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-4979694508834816

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 22:20:07 +02:00
Zhao Zhili
a742ba60f1 libavcodec/speexdec: fix memleak in error path 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-11 15:24:41 +02:00
Paul B Mahol
148ada5577 avcodec: add native Speex decoder 2021-10-10 17:44:41 +02:00