diff --git a/patches/crashfix.patch b/patches/crashfix.patch
new file mode 100644
index 0000000..797c1ff
--- /dev/null
+++ b/patches/crashfix.patch
@@ -0,0 +1,36 @@
+From 8653abac095c76fc898cbd72bc67b10b828c3478 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Timur=20Krist=C3=B3f?= <timur.kristof@gmail.com>
+Date: Mon, 25 Nov 2024 22:19:28 +0100
+Subject: [PATCH] ac/nir/ngg: Remove erroneous NUW addition from workgroup
+ scan.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This may add constant -1 so naturally it can indeed cause
+an unsigned wrap.
+
+Fixes: 492d8f37782c14fd4c34b81c10f0f6ed0daa807c
+Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12204
+Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
+Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
+Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32338>
+---
+ src/amd/common/ac_nir_lower_ngg.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/amd/common/ac_nir_lower_ngg.c b/src/amd/common/ac_nir_lower_ngg.c
+index d1c361165ffa4..c63441f06959c 100644
+--- a/src/amd/common/ac_nir_lower_ngg.c
++++ b/src/amd/common/ac_nir_lower_ngg.c
+@@ -419,7 +419,7 @@ repack_invocations_in_workgroup(nir_builder *b, nir_def **input_bool,
+ 
+    for (unsigned i = 0; i < num_repacks; ++i) {
+       nir_def *index_base_lane = nir_iadd_imm_nuw(b, wave_id, i * 16);
+-      nir_def *num_invocartions_lane = nir_iadd_imm_nuw(b, num_waves, i * 16 - 1);
++      nir_def *num_invocartions_lane = nir_iadd_imm(b, num_waves, i * 16 - 1);
+       nir_def *wg_repacked_index_base =
+          nir_isub(b, nir_read_invocation(b, sum, index_base_lane), surviving_invocations_in_current_wave[i]);
+       results[i].num_repacked_invocations =
+-- 
+