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| author | James Almer <jamrial@gmail.com> | 2019-09-22 23:55:49 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2019-09-23 10:10:56 -0300 |
| commit | 693f3926ddd904e9c9f6ed79b5dbc8d3d205be1c (patch) | |
| tree | ae88302902a260538f215c22aa93271dbc7ca363 | |
| parent | 4a79f30d774dd81bde2da751fbd588e3413da2d7 (diff) | |
| download | ffmpeg-693f3926ddd904e9c9f6ed79b5dbc8d3d205be1c.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 bd611ea16b..8970b6cdbb 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); |