ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Aug 5 14:35:55 2023 +0200| [611f2dc571122ca8a89679ebf060e2df6490da72] | committer: Michael Niedermayer
avcodec/tta: fix signed overflow in decorrelate Fixes: signed integer overflow: 2079654542 - -139267653 cannot be represented in type 'int' Fixes: 60811/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5915858409750528 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 283bf5c35bc5ac92e061f27c3a680318175a1600) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=611f2dc571122ca8a89679ebf060e2df6490da72 --- libavcodec/tta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/tta.c b/libavcodec/tta.c index 3630afcfae..f92be311c3 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -335,7 +335,7 @@ static int tta_decode_frame(AVCodecContext *avctx, void *data, if (s->channels > 1) { int32_t *r = p - 1; for (*p += *r / 2; r > (int32_t*)p - s->channels; r--) - *r = *(r + 1) - *r; + *r = *(r + 1) - (unsigned)*r; } cur_chan = 0; i++; _______________________________________________ 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".
