Fixes: left shift of negative value -1 Fixes: 18395/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5710313034350592
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, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/g723_1dec.c b/libavcodec/g723_1dec.c index a7bf528470..f601d31d00 100644 --- a/libavcodec/g723_1dec.c +++ b/libavcodec/g723_1dec.c @@ -677,7 +677,7 @@ static int estimate_sid_gain(G723_1_ChannelContext *p) if (p->sid_gain < 0) t = INT32_MIN; else t = INT32_MAX; } else - t = p->sid_gain << shift; + t = p->sid_gain * (1 << shift); } else if(shift < -31) { t = (p->sid_gain < 0) ? -1 : 0; }else -- 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".
