On Sun, Jul 03, 2022 at 08:38:15AM +0200, Andreas Rheinhardt wrote: > Michael Niedermayer: > > The decoder only outputs pixels for width >1 images, fail early > > > > Fixes: Timeout > > Fixes: > > 48298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WNV1_fuzzer-6198626319204352 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/wnv1.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c > > index 0cf2181a48..f1223493fe 100644 > > --- a/libavcodec/wnv1.c > > +++ b/libavcodec/wnv1.c > > @@ -129,6 +129,9 @@ static av_cold int decode_init(AVCodecContext *avctx) > > > > ff_thread_once(&init_static_once, wnv1_init_static); > > > > + if (avctx->width <= 1) > > + return AVERROR_INVALIDDATA; > > + > > return 0; > > } > > > > If you want to fail early, then why don't you do so before initializing > the static data?
"early" in the sense of costly operations causing timeouts but will apply with it moved up thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Frequently ignored answer#1 FFmpeg bugs should be sent to our bugtracker. User questions about the command line tools should be sent to the ffmpeg-user ML. And questions about how to use libav* should be sent to the libav-user ML.
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