On Thu, Jun 1, 2023 at 12:14 PM metamuffin <metamuf...@disroot.org> wrote:
> Nameless outpads would cause an invocation to sscanf with NULL. > Example: ffmpeg -f lavfi -i 'nullsrc;nullsrc' - > Changed to throwing an error instead. > See: https://git.videolan.org/?p=ffmpeg.git;a=commit;h=5ce76506de1a7fbaf91af47a925d5ecfe13ae59c Perhaps needs backporting to first introduction. > --- > libavdevice/lavfi.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libavdevice/lavfi.c b/libavdevice/lavfi.c > index 9c1fcf334b..21f33ade0e 100644 > --- a/libavdevice/lavfi.c > +++ b/libavdevice/lavfi.c > @@ -174,6 +174,11 @@ 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, > + "Filtergraph has nameless outpads\n"); > + FAIL(AVERROR(EINVAL)); > + } > sscanf(inout->name, "out%n%d%n", &suffix, &stream_idx, &suffix); > if (!suffix) { > av_log(avctx, AV_LOG_ERROR, > -- > 2.40.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".