| Message ID | 20230630001655.10242-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | f9b29451e422e672595e95eefd03879a4398a1f6 |
| Headers | show |
| Series | [FFmpeg-devel,1/2] avcodec/rka: Fix integer overflow in decode_filter() | expand |
| Context | Check | Description |
|---|---|---|
| yinshiyou/make_loongarch64 | success | Make finished |
| yinshiyou/make_fate_loongarch64 | success | Make fate finished |
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Fri, Jun 30, 2023 at 02:16:54AM +0200, Michael Niedermayer wrote: > 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> > --- > libavcodec/rka.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply patchset [...]
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) {
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> --- libavcodec/rka.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)