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| author | James Almer <jamrial@gmail.com> | 2018-07-28 00:51:57 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2018-07-28 22:45:02 -0300 |
| commit | 660e4c0c961c41c2ae5fc2f40c25bff30ec64133 (patch) | |
| tree | 07758358245e56e009c9600f8930c967c8be3dd0 | |
| parent | 18c9d5d3e80dc0b47e0a260b51f5230bdd499e8b (diff) | |
| download | ffmpeg-660e4c0c961c41c2ae5fc2f40c25bff30ec64133.tar.gz | |
avcodec/bitstream_filters: check the input argument of av_bsf_get_by_name() for NULL
Fixes crashes like "ffmpeg -h bsf" caused by passing NULL to strcmp()
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 3258cc6507a2012d54889ce5f8efbde7e81d927d)
| -rw-r--r-- | libavcodec/bitstream_filters.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/bitstream_filters.c b/libavcodec/bitstream_filters.c index 2045e18b94..d4ee4d7d6a 100644 --- a/libavcodec/bitstream_filters.c +++ b/libavcodec/bitstream_filters.c @@ -59,6 +59,9 @@ const AVBitStreamFilter *av_bsf_get_by_name(const char *name) { int i; + if (!name) + return NULL; + for (i = 0; bitstream_filters[i]; i++) { const AVBitStreamFilter *f = bitstream_filters[i]; if (!strcmp(f->name, name)) |