ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 7 00:14:16 2019 +0100| [794352ae9d1cb32b4b9e45d3affb83763f4ee12e] | committer: Michael Niedermayer
avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 19235/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5680878952382464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=794352ae9d1cb32b4b9e45d3affb83763f4ee12e --- libavcodec/adpcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index b99a21002c..7b5b3d9698 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1233,7 +1233,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, } for (i=0; i<=st; i++) { c->status[i].predictor = bytestream2_get_le32u(&gb); - if (FFABS(c->status[i].predictor) > (1<<16)) + if (FFABS((int64_t)c->status[i].predictor) > (1<<16)) return AVERROR_INVALIDDATA; } _______________________________________________ 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".
