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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-08-23 11:00:29 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-08-23 11:03:00 +0200 |
| commit | 77bf96b04710b98a52aaddb93bfd32da0d506191 (patch) | |
| tree | 6597dccdf119fc5f4f5607c2cd003e4f250a8fd4 /libavcodec/aacenc.c | |
| parent | 76d377d0a0a85f79dbe461971014e13b56937c86 (diff) | |
| download | ffmpeg-77bf96b04710b98a52aaddb93bfd32da0d506191.tar.gz | |
avcodec/aacenc: Tighter input checks
Fixes occurance of NaN/Inf leading to assertion failures and out of array access
Fixes: d1c38a09acc34845c6be3a127a5aacaf/signal_sigsegv_3982225_6121_d18bd5451d4245ee09408f04badd1b83.wmv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/aacenc.c')
| -rw-r--r-- | libavcodec/aacenc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c index e1a2d4544b..9e421a9aaa 100644 --- a/libavcodec/aacenc.c +++ b/libavcodec/aacenc.c @@ -622,8 +622,8 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, } for (k = 0; k < 1024; k++) { - if (!isfinite(cpe->ch[ch].coeffs[k])) { - av_log(avctx, AV_LOG_ERROR, "Input contains NaN/+-Inf\n"); + if (!(fabs(cpe->ch[ch].coeffs[k]) < 1E16)) { // Ensure headroom for energy calculation + av_log(avctx, AV_LOG_ERROR, "Input contains (near) NaN/+-Inf\n"); return AVERROR(EINVAL); } } |