From 6fe4b7344dc14dfe17166f2c58a5a384471cb37b Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan.c.baker@intel.com>
Date: Tue, 9 Sep 2025 17:42:24 +0000
Subject: [PATCH] isl: prevent potential overflow before widen

Fixes: 73608eb8b77 ("isl: Add support for creating layered surfaces for video encode/decode")
CID: 1665354
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37260>
---
 src/intel/isl/isl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index 0d6b2f08c2d..9ed2d3fa832 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -3606,7 +3606,7 @@ isl_surf_init_interleaved_arrays(const struct isl_device *dev,
 
       surfs_offsets[i] = offset;
 
-      offset += uninterleaved_surfs[i].row_pitch_B *
+      offset += (uint64_t)uninterleaved_surfs[i].row_pitch_B *
          align(uninterleaved_surfs[i].array_pitch_el_rows,
                tile_info.logical_extent_el.h);
    }