Re: [FFmpeg-devel] [PATCH] vp9: don't overread by 4 pixels in ff_vp9_avg4_mmxext().

Hi, On Tue, May 31, 2022 at 9:21 AM Ronald S. Bultje wrote: > If the block is at the end of the allocated buffer and there is no > padding, this will over-read, which may cause crashes. Reported by > Firefox. > --- > libavcodec/x86/vp9mc.asm | 5 + > 1 file changed, 5 insertions(+) > > diff

[FFmpeg-devel] [PATCH] vp9: don't overread by 4 pixels in ff_vp9_avg4_mmxext().

If the block is at the end of the allocated buffer and there is no padding, this will over-read, which may cause crashes. Reported by Firefox. --- libavcodec/x86/vp9mc.asm | 5 + 1 file changed, 5 insertions(+) diff --git a/libavcodec/x86/vp9mc.asm b/libavcodec/x86/vp9mc.asm index f64161b2c2.

[FFmpeg-devel] [PATCH] vp9: don't overread by 4 pixels in ff_vp9_avg4_mmxext().

If the block is at the end of the allocated buffer and there is no padding, this will over-read, which may cause crashes. Reported by Firefox. --- libavcodec/x86/vp9mc.asm | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/x86/vp9mc.asm b/libavcodec/x86/vp9mc.asm in