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| author | Paul B Mahol <onemda@gmail.com> | 2023-05-10 12:38:28 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2023-05-10 12:55:22 +0200 |
| commit | 5ce76506de1a7fbaf91af47a925d5ecfe13ae59c (patch) | |
| tree | 51e4f3cfead1591a8b39b03daa6707a06ec4bb7f | |
| parent | dc1d4a8ece2ea3aa592ca1e38fad6e7a3562c4e7 (diff) | |
| download | ffmpeg-5ce76506de1a7fbaf91af47a925d5ecfe13ae59c.tar.gz | |
avdevice/lavfi: check that pointer is set
Fixes NULL pointer dereference later.
| -rw-r--r-- | libavdevice/lavfi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavdevice/lavfi.c b/libavdevice/lavfi.c index 9c1fcf334b..b2cec0400b 100644 --- a/libavdevice/lavfi.c +++ b/libavdevice/lavfi.c @@ -174,6 +174,10 @@ av_cold static int lavfi_read_header(AVFormatContext *avctx) * create a mapping between them and the streams */ for (i = 0, inout = output_links; inout; i++, inout = inout->next) { int stream_idx = 0, suffix = 0, use_subcc = 0; + if (!inout->name) { + av_log(avctx, AV_LOG_ERROR, "Missing %d outpad name\n", i); + FAIL(AVERROR(EINVAL)); + } sscanf(inout->name, "out%n%d%n", &suffix, &stream_idx, &suffix); if (!suffix) { av_log(avctx, AV_LOG_ERROR, |