diff options
| author | James Almer <jamrial@gmail.com> | 2019-09-22 23:55:49 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2019-09-23 10:09:16 -0300 |
| commit | 45bf2f4d72f11ea4bf757b413931fc1b43c0d643 (patch) | |
| tree | f4ab4b8bcd0c5756b6bdcaf3601eb118ed88e360 | |
| parent | cfa7c079f72b65bfe038af84d95d384a609d4f0a (diff) | |
| download | ffmpeg-45bf2f4d72f11ea4bf757b413931fc1b43c0d643.tar.gz | |
avcodec/bsf: check that AVBSFInternal was allocated before dereferencing it
This can happen when av_bsf_free() is called on av_bsf_alloc() failure.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit d889ae33962e4ad2b24175418fe89d72ce712179)
| -rw-r--r-- | libavcodec/bsf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/bsf.c b/libavcodec/bsf.c index 38b423101c..676c271b9c 100644 --- a/libavcodec/bsf.c +++ b/libavcodec/bsf.c @@ -47,7 +47,8 @@ void av_bsf_free(AVBSFContext **pctx) av_opt_free(ctx); - av_packet_free(&ctx->internal->buffer_pkt); + if (ctx->internal) + av_packet_free(&ctx->internal->buffer_pkt); av_freep(&ctx->internal); av_freep(&ctx->priv_data); |