From 585a8d53576f19a14394d7728ed2831e1bee8dbf Mon Sep 17 00:00:00 2001 From: James Almer Date: Sun, 13 Jul 2025 20:01:26 -0300 Subject: [PATCH] avcodec/motion_est: don't add offsets to NULL pointers Fixes: libavcodec/motion_est.c:94:31: runtime error: applying zero offset to null pointer Signed-off-by: James Almer --- libavcodec/motion_est.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c index 93be712cc0..3273451f9a 100644 --- a/libavcodec/motion_est.c +++ b/libavcodec/motion_est.c @@ -91,12 +91,12 @@ static inline void init_ref(MotionEstContext *c, uint8_t *const src[3], }; int i; for(i=0; i<3; i++){ - c->src[0][i]= src [i] + offset[i]; - c->ref[0][i]= ref [i] + offset[i]; + c->src[0][i]= src[i] ? FF_PTR_ADD(src[i], offset[i]) : NULL; + c->ref[0][i]= ref[i] ? FF_PTR_ADD(ref[i], offset[i]) : NULL; } if(ref_index){ for(i=0; i<3; i++){ - c->ref[ref_index][i]= ref2[i] + offset[i]; + c->ref[ref_index][i]= ref2[i] ? FF_PTR_ADD(ref2[i], offset[i]) : NULL; } } }