Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 29053/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-4814432697974784
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/apedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 8fe7b5ee86..385e003c6a 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -1333,7 +1333,7 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f, /* Version 3.98 and later files */ /* Update the adaption coefficients */ - absres = FFABS(res); + absres = -(unsigned)FFNABS(res); if (absres) *f->adaptcoeffs = APESIGN(res) * (8 << ((absres > f->avg * 3) + (absres > f->avg * 4 / 3))); -- 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".
