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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-19 22:29:15 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-23 23:21:15 +0200 |
| commit | 3cd077e2820679e8b9f8eb10954b4f5701191c48 (patch) | |
| tree | 3ea3ab23eec53fe1f474a855db92aae5ba9ae470 | |
| parent | 2f7aaa33e7343435cbc468da42fbd52c9f8f7055 (diff) | |
| download | ffmpeg-3cd077e2820679e8b9f8eb10954b4f5701191c48.tar.gz | |
avcodec/vaapi_encode: Check hwctx
Fixes: null pointer dereference
Fixes: 70376/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_VAAPI_fuzzer-4733551250046976
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/vaapi_encode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c index 48ca018775..afdf3fe3d8 100644 --- a/libavcodec/vaapi_encode.c +++ b/libavcodec/vaapi_encode.c @@ -2307,12 +2307,14 @@ av_cold int ff_vaapi_encode_close(AVCodecContext *avctx) ff_refstruct_pool_uninit(&ctx->output_buffer_pool); if (ctx->va_context != VA_INVALID_ID) { - vaDestroyContext(ctx->hwctx->display, ctx->va_context); + if (ctx->hwctx) + vaDestroyContext(ctx->hwctx->display, ctx->va_context); ctx->va_context = VA_INVALID_ID; } if (ctx->va_config != VA_INVALID_ID) { - vaDestroyConfig(ctx->hwctx->display, ctx->va_config); + if (ctx->hwctx) + vaDestroyConfig(ctx->hwctx->display, ctx->va_config); ctx->va_config = VA_INVALID_ID; } |