Fixes: shift exponent 1008 is too large for 32-bit type 'int' Fixes: 17700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5707633436131328
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/g723_1dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/g723_1dec.c b/libavcodec/g723_1dec.c index d1faf92c39..a7bf528470 100644 --- a/libavcodec/g723_1dec.c +++ b/libavcodec/g723_1dec.c @@ -678,6 +678,8 @@ static int estimate_sid_gain(G723_1_ChannelContext *p) else t = INT32_MAX; } else t = p->sid_gain << shift; + } else if(shift < -31) { + t = (p->sid_gain < 0) ? -1 : 0; }else t = p->sid_gain >> -shift; x = av_clipl_int32(t * (int64_t)cng_filt[0] >> 16); -- 2.23.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
