File 0001-blsuki-Fix-linux_cmd-size-calcution-in-bls_get_linux.patch of Package grub2

From cc6749ca2fbe48c8624dbbea02b4bed89f046ef5 Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Mon, 2 Feb 2026 18:40:01 +0800
Subject: [PATCH] blsuki: Fix linux_cmd size calcution in bls_get_linux()

---
 grub-core/commands/blsuki.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/grub-core/commands/blsuki.c b/grub-core/commands/blsuki.c
index 4da0464cf..531aac889 100644
--- a/grub-core/commands/blsuki.c
+++ b/grub-core/commands/blsuki.c
@@ -958,6 +958,13 @@ bls_get_linux (grub_blsuki_entry_t *entry)
 	}
     }
 
+  /* Need one extra byte for '\n' */
+  if (grub_add (size, 1, &size))
+    {
+      grub_error (GRUB_ERR_OUT_OF_RANGE, "overflow detected while calculating linux buffer size");
+      goto finish;
+    }
+
   linux_cmd = grub_malloc (size);
   if (linux_cmd == NULL)
     goto finish;
-- 
2.52.0