On Fri, May 09, 2025 at 07:06:42PM +1000, Peter Ross wrote: > On Thu, May 08, 2025 at 11:57:32PM +0200, Michael Niedermayer wrote: > > Fixes: > > 391935573/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MMVIDEO_fuzzer-4655048979709952 > > Fixes: out of array access > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/mmvideo.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c > > index 7313507debc..2a0c855992e 100644 > > --- a/libavcodec/mmvideo.c > > +++ b/libavcodec/mmvideo.c > > @@ -91,7 +91,7 @@ static void mm_decode_pal(MmContext *s) > > int start = bytestream2_get_le16(&s->gb); > > int count = bytestream2_get_le16(&s->gb); > > for (int i = 0; i < count; i++) > > - s->palette[start+i] = 0xFFU << 24 | (bytestream2_get_be24(&s->gb) > > << 2); > > + s->palette[(start+i)&0xFF] = 0xFFU << 24 | > > (bytestream2_get_be24(&s->gb) << 2); > > } > > > > please apply
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.
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