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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-21 00:07:46 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-26 18:37:12 +0100 |
| commit | 59a6becf8ecb1ea25faaeaaf45f4d28de39606eb (patch) | |
| tree | 1b1b2ab07c726476ce070735c61db95337a8f2e6 /libavcodec | |
| parent | 5dd95670808915b391348624d3f9860e021a81a2 (diff) | |
| download | ffmpeg-59a6becf8ecb1ea25faaeaaf45f4d28de39606eb.tar.gz | |
avcodec/apedec: Use FFABSU() in do_apply_filter()
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
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/apedec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 8fe7b5ee86..388d851d03 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 = FFABSU(res); if (absres) *f->adaptcoeffs = APESIGN(res) * (8 << ((absres > f->avg * 3) + (absres > f->avg * 4 / 3))); |