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ffmpeg-4/ffmpeg-4-CVE-2024-32230.patch

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commit 96449cfeaeb95fcfd7a2b8d9ccf7719e97471ed1
Author: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon Apr 8 18:38:42 2024 +0200
avcodec/mpegvideo_enc: Fix 1 line and one column images
Fixes: Ticket10952
Fixes: poc21ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
--- ffmpeg-4.4.4/libavcodec/mpegvideo_enc.c
+++ ffmpeg-4.4.4_new/libavcodec/mpegvideo_enc.c
@@ -1263,8 +1263,8 @@
int dst_stride = i ? s->uvlinesize : s->linesize;
int h_shift = i ? h_chroma_shift : 0;
int v_shift = i ? v_chroma_shift : 0;
- int w = s->width >> h_shift;
- int h = s->height >> v_shift;
+ int w = AV_CEIL_RSHIFT(s->width , h_shift);
+ int h = AV_CEIL_RSHIFT(s->height, v_shift);
uint8_t *src = pic_arg->data[i];
uint8_t *dst = pic->f->data[i];
int vpad = 16;