| Message ID | 20181017235402.22965-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | b737317a8813e671c00b8ac7023c47e48ffeb1c8 |
| Headers | show |
On Thu, Oct 18, 2018 at 01:54:02AM +0200, Michael Niedermayer wrote: > Fixes: Integer overflow > Fixes: 10890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5636062181851136 > > 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 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index f435a520c8..233b8525ce 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -402,7 +402,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g llabs(sprite_offset[0][i] + sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sprite_offset[0][i] + sprite_delta[i][0] * (w+16LL) + sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sprite_delta[i][0] * (w+16LL)) >= INT_MAX || - llabs(sprite_delta[i][1] * (w+16LL)) >= INT_MAX || + llabs(sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sd[0]) >= INT_MAX || llabs(sd[1]) >= INT_MAX || llabs(sprite_offset[0][i] + sd[0] * (w+16LL)) >= INT_MAX ||
Fixes: Integer overflow Fixes: 10890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5636062181851136 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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)