diff options
author | Nikolas Bowe <nbowe-at-google.com@ffmpeg.org> | 2018-02-03 02:11:04 +0300 |
---|---|---|
committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-02-03 23:37:19 +0300 |
commit | c86490c49a3d0683b2f63338430a369c174e2bd5 (patch) | |
tree | c66d8385a02eba10f5505912235d66d1d1c6a3fd /libavfilter | |
parent | e3d946b3f48fa000e2ba917ecb1bf21e5fe947fb (diff) |
avfilter/af_join: Fix crash in join filter
Previously if ff_outlink_frame_wanted() returned 0 it could dereference a null pointer when trying to read nb_samples.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter')
-rw-r--r-- | libavfilter/af_join.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/af_join.c b/libavfilter/af_join.c index cf5131e8dc..4f86e13558 100644 --- a/libavfilter/af_join.c +++ b/libavfilter/af_join.c @@ -485,6 +485,9 @@ static int activate(AVFilterContext *ctx) return 0; } } + if (!s->input_frames[0]) { + return 0; + } } nb_samples = s->input_frames[0]->nb_samples; |