ffmpeg | branch: release/6.1 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Apr 26 05:08:38 2024 +0200| [5017839ca0beee8ddc6cd6e8530c48af0c6e011e] | committer: Michael Niedermayer
avcodec/wavarc: fix integer overflow in decode_5elp() block type 2 Fixes: signed integer overflow: 2097152000 + 107142979 cannot be represented in type 'int' Fixes: 67919/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-5955101769400320 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 a2ec2bd49317ab16a3c30c0824efc580ea9a8aef) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5017839ca0beee8ddc6cd6e8530c48af0c6e011e --- libavcodec/wavarc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index e121f1bc61..536c74e478 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -690,7 +690,7 @@ static int decode_5elp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] += ac_out[n] + (sum >> 4); + samples[n + 70] += ac_out[n] + (unsigned)(sum >> 4); } for (int n = 0; n < 70; n++) _______________________________________________ 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".
