On Mon, Jun 23, 2025 at 11:43:04AM -0300, James Almer wrote: > On 6/21/2025 6:15 PM, Michael Niedermayer wrote: > > Fixes: NULL pointer dereference > > Fixes: > > 416811958/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5425269114732544 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/mov.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/libavformat/mov.c b/libavformat/mov.c > > index 8a094b1ea0a..6e9e3498fb5 100644 > > --- a/libavformat/mov.c > > +++ b/libavformat/mov.c > > @@ -10336,7 +10336,7 @@ static int mov_parse_heif_items(AVFormatContext *s) > > st->codecpar->height = item->height; > > err = sanity_checks(s, sc, item->item_id); > > - if (err) > > + if (err || !sc->sample_count) > > return AVERROR_INVALIDDATA; > > sc->sample_sizes[0] = item->extent_length; > > LGTM
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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