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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-06-30 01:24:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-07-22 17:05:47 +0200 |
| commit | f9b29451e422e672595e95eefd03879a4398a1f6 (patch) | |
| tree | 321bce6da0615146ce8b79730bbabd6fcd18ef05 /libavcodec/rka.c | |
| parent | 167b4f56f187edafd94fa2e706897ac3bb450511 (diff) | |
| download | ffmpeg-f9b29451e422e672595e95eefd03879a4398a1f6.tar.gz | |
avcodec/rka: Fix integer overflow in decode_filter()
Fixes: signed integer overflow: 2147443649 + 65535 cannot be represented in type 'int'
Fixes: 60054/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RKA_fuzzer-5095674572832768
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/rka.c')
| -rw-r--r-- | libavcodec/rka.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/rka.c b/libavcodec/rka.c index d56f4faee4..7646d776be 100644 --- a/libavcodec/rka.c +++ b/libavcodec/rka.c @@ -745,7 +745,7 @@ static int decode_filter(RKAContext *s, ChContext *ctx, ACoder *ac, int off, uns } ctx->buf1[off] = sum - ctx->buf0[off + -1]; ctx->buf0[off] = sum; - m += FFABS(ctx->buf1[off]); + m += (unsigned)FFABS(ctx->buf1[off]); } } if (ctx->cmode2 != 0) { |