On Sun, Nov 24, 2024 at 09:06:16PM +1100, Peter Ross wrote: > On Thu, Nov 21, 2024 at 03:39:05PM +0100, Kacper Michajlow wrote: > > On Sun, 3 Nov 2024 at 11:24, Michael Niedermayer <mich...@niedermayer.cc> > > wrote: > > > > > > Fixes: runtime error: signed integer overflow > > > Fixes: > > > 42536949/clusterfuzz-testcase-minimized-fuzzer_loadfile-6199846684393472 > > > Found-by: ossfuzz > > > Reported-by: Kacper Michajlow > > > Tested-by: Kacper Michajlow > > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > > --- > > > libavformat/icodec.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/libavformat/icodec.c b/libavformat/icodec.c > > > index afd0c71b1f9..b09d0060a65 100644 > > > --- a/libavformat/icodec.c > > > +++ b/libavformat/icodec.c > > > @@ -198,7 +198,7 @@ static int read_packet(AVFormatContext *s, AVPacket > > > *pkt) > > > AV_WL32(buf + 32, image->nb_pal); > > > } > > > > > > - if (image->nb_pal > INT_MAX / 4 - 14 - 40) > > > + if (image->nb_pal > INT_MAX / 4 - 14 - 40U) > > > return AVERROR_INVALIDDATA; > > > > > > AV_WL32(buf - 4, 14 + 40 + image->nb_pal * 4); > > > -- > > > 2.47.0 > > as the original author of icodec.c, this lgtm
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The misfortune of the wise is better than the prosperity of the fool. -- Epicurus
signature.asc
Description: PGP signature
_______________________________________________ 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".
