ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Nov 21 23:02:56 2019 +0100| [ac221d9cdd12c8baae2ba14eb3a1348de066c9bf] | committer: Michael Niedermayer
avcodec/adpcm: Clip predictor for APC Fixes: signed integer overflow: -2147483648 - 13 cannot be represented in type 'int' Fixes: 18893/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APC_fuzzer-5630760442920960 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 9fe07908c3f67d59cf4db5668d61b34506189590) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ac221d9cdd12c8baae2ba14eb3a1348de066c9bf --- libavcodec/adpcm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 9354e57158..8b62475319 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -127,8 +127,8 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx) break; case AV_CODEC_ID_ADPCM_IMA_APC: if (avctx->extradata && avctx->extradata_size >= 8) { - c->status[0].predictor = AV_RL32(avctx->extradata); - c->status[1].predictor = AV_RL32(avctx->extradata + 4); + c->status[0].predictor = av_clip_intp2(AV_RL32(avctx->extradata ), 18); + c->status[1].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 4), 18); } break; case AV_CODEC_ID_ADPCM_IMA_WS: _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
