ffmpeg | branch: release/3.4 | James Almer <[email protected]> | Sat Jul 28 00:51:57 2018 -0300| [bc2301429e9c779237e43acf913331af018211f2] | committer: James Almer
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 <[email protected]> (cherry picked from commit 3258cc6507a2012d54889ce5f8efbde7e81d927d) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bc2301429e9c779237e43acf913331af018211f2 --- libavcodec/bitstream_filters.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/bitstream_filters.c b/libavcodec/bitstream_filters.c index ce34de640d..ace2a1e01f 100644 --- a/libavcodec/bitstream_filters.c +++ b/libavcodec/bitstream_filters.c @@ -62,6 +62,9 @@ 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)) _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
