ffmpeg | branch: release/3.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Aug 6 13:32:54 2017 +0200| [dcf02ee6c6917e9de00a148778be554c0eb7a679] | committer: Michael Niedermayer
avcodec/mpeg4videodec: Clear mcsel before decoding an image 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 <mich...@niedermayer.cc> (cherry picked from commit 7735ed29741d985e1e670249ca56e7a1ce18b729) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dcf02ee6c6917e9de00a148778be554c0eb7a679 --- libavcodec/mpeg4videodec.c | 1 + 1 file changed, 1 insertion(+) 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)) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
