Typically opt not to patch for kernel support downstream, but in this
case it's only conditionally broken depending on kernel crypto configs
and USE=kernel-open, then an (official) NVIDIA representative has
responded with a fix in [1] which should be safe.

[1] https://github.com/NVIDIA/open-gpu-kernel-modules/issues/574#issuecomment-1809283181
--- a/kernel/nvidia/libspdm_shash.c
+++ b/kernel/nvidia/libspdm_shash.c
@@ -89,4 +89,4 @@
         struct crypto_shash *dst_tfm = dst->tfm;
-        char *src_ipad = crypto_tfm_ctx_aligned(&src_tfm->base);
-        char *dst_ipad = crypto_tfm_ctx_aligned(&dst_tfm->base);
+        char *src_ipad = crypto_tfm_ctx_align(&src_tfm->base, crypto_tfm_alg_alignmask(&src_tfm->base) + 1);
+        char *dst_ipad = crypto_tfm_ctx_align(&dst_tfm->base, crypto_tfm_alg_alignmask(&dst_tfm->base) + 1);
         int ss = crypto_shash_statesize(dst_tfm);
--- a/kernel-module-source/kernel-open/nvidia/libspdm_shash.c
+++ b/kernel-module-source/kernel-open/nvidia/libspdm_shash.c
@@ -89,4 +89,4 @@
         struct crypto_shash *dst_tfm = dst->tfm;
-        char *src_ipad = crypto_tfm_ctx_aligned(&src_tfm->base);
-        char *dst_ipad = crypto_tfm_ctx_aligned(&dst_tfm->base);
+        char *src_ipad = crypto_tfm_ctx_align(&src_tfm->base, crypto_tfm_alg_alignmask(&src_tfm->base) + 1);
+        char *dst_ipad = crypto_tfm_ctx_align(&dst_tfm->base, crypto_tfm_alg_alignmask(&dst_tfm->base) + 1);
         int ss = crypto_shash_statesize(dst_tfm);