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[FFmpeg-devel,5/8] avfilter/vf_premultiply: Use AV_PIX_MAX_PLANES

Message ID 20240708222410.773456-5-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,1/8] avfilter/vf_elbg: Use unsigned for shifting into the top bit | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 fail Make fate failed
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Michael Niedermayer July 8, 2024, 10:24 p.m. UTC 
Helps: CID1435164 Out-of-bounds read
Helps: CID1435165 Out-of-bounds read
Helps: CID1435167 Out-of-bounds read
Helps: CID1435169 Out-of-bounds read

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/vf_premultiply.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/libavfilter/vf_premultiply.c b/libavfilter/vf_premultiply.c
index e077d46a9a0..5e97c2000f2 100644
--- a/libavfilter/vf_premultiply.c
+++ b/libavfilter/vf_premultiply.c
@@ -36,8 +36,8 @@  typedef struct ThreadData {
 
 typedef struct PreMultiplyContext {
     const AVClass *class;
-    int width[4], height[4];
-    int linesize[4];
+    int width[AV_VIDEO_MAX_PLANES], height[AV_VIDEO_MAX_PLANES];
+    int linesize[AV_VIDEO_MAX_PLANES];
     int nb_planes;
     int planes;
     int inverse;
@@ -45,7 +45,7 @@  typedef struct PreMultiplyContext {
     int half, depth, offset, max;
     FFFrameSync fs;
 
-    void (*premultiply[4])(const uint8_t *msrc, const uint8_t *asrc,
+    void (*premultiply[AV_VIDEO_MAX_PLANES])(const uint8_t *msrc, const uint8_t *asrc,
                            uint8_t *dst,
                            ptrdiff_t mlinesize, ptrdiff_t alinesize,
                            ptrdiff_t dlinesize,