| Message ID | 20170806123829.18433-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 7735ed29741d985e1e670249ca56e7a1ce18b729 |
| Headers | show |
On Sun, Aug 06, 2017 at 02:38:29PM +0200, Michael Niedermayer wrote: > Fixes: runtime error: signed integer overflow: 2146467840 + 1032192 cannot be represented in type 'int' > Fixes: 2826/clusterfuzz-testcase-minimized-5901511613743104 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/mpeg4videodec.c | 1 + > 1 file changed, 1 insertion(+) applied [...]
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 89c4b367f7..8f85e9362d 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2290,6 +2290,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb) int time_incr, time_increment; int64_t pts; + s->mcsel = 0; s->pict_type = get_bits(gb, 2) + AV_PICTURE_TYPE_I; /* pict type: I = 0 , P = 1 */ if (s->pict_type == AV_PICTURE_TYPE_B && s->low_delay && ctx->vol_control_parameters == 0 && !(s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)) {
Fixes: runtime error: signed integer overflow: 2146467840 + 1032192 cannot be represented in type 'int' Fixes: 2826/clusterfuzz-testcase-minimized-5901511613743104 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/mpeg4videodec.c | 1 + 1 file changed, 1 insertion(+)