Fixes: signed integer overflow: -2147483648 + -25122315 cannot be represented in type 'int' Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6199806972198912
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/wavarc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index 09ed4d473a2..99cbaf01091 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -374,7 +374,7 @@ static int decode_2slp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] = get_srice(gb, k) + (sum >> 4); + samples[n + 70] = get_srice(gb, k) + (unsigned)(sum >> 4); } finished = 1; break; -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
