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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-29 18:10:59 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-10 23:14:22 +0300 |
| commit | 024c5b4ab436b9e035517e4181dc3499e7095290 (patch) | |
| tree | 0197d93236fc879b9af92f744f82a7bcd5bc1d3d | |
| parent | 8e9631967427106468cfaf1d258ecddc06db39ff (diff) | |
avcodec/dts2pts_bsf: Check ctx for NULL before ff_cbs_flush()
Fixes: null pointer dereference
Fixes: 52155/clusterfuzz-testcase-minimized-ffmpeg_BSF_DTS2PTS_fuzzer-5760107527143424
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/dts2pts_bsf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/dts2pts_bsf.c b/libavcodec/dts2pts_bsf.c index bf20b1ec8a..8142562d2c 100644 --- a/libavcodec/dts2pts_bsf.c +++ b/libavcodec/dts2pts_bsf.c @@ -505,7 +505,8 @@ static void dts2pts_flush(AVBSFContext *ctx) s->root = NULL; ff_cbs_fragment_reset(&s->au); - ff_cbs_flush(s->cbc); + if (s->cbc) + ff_cbs_flush(s->cbc); } static void dts2pts_close(AVBSFContext *ctx) |