ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Jun 30 22:01:22 2020 +0200| [11c1e1d6d0eac199ef6c036c946b05a1b463b644] | committer: Michael Niedermayer
avcodec/apedec: Fix undefined integer overflow with 24bit Fixes: signed integer overflow: 8683744 * 256 cannot be represented in type 'int' Fixes: 23527/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5679885932822528 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 9f7b252cdf2d0e0f79d16dc7cd575d1884239863) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=11c1e1d6d0eac199ef6c036c946b05a1b463b644 --- libavcodec/apedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 93e9a18e5d..3bec1eee68 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -1543,7 +1543,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data, for (ch = 0; ch < s->channels; ch++) { sample24 = (int32_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) - *sample24++ = s->decoded[ch][i] * 256; + *sample24++ = s->decoded[ch][i] * 256U; } break; } _______________________________________________ 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".
