From: Egor Ignatov <egori@altlinux.org>
Date: Thu, 23 Jan 2025 17:44:13 +0000 (+0300)
Subject: fs/xfs: Handle root inode read failure in grub_xfs_mount
X-Git-Tag: archive/raspbian/2.12-8+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=566e4a9efade09d926bb4f57ed4555ea5b85ef13;p=grub2.git

fs/xfs: Handle root inode read failure in grub_xfs_mount

Signed-off-by: Egor Ignatov <egori@altlinux.org>

Gbp-Pq: Topic cve-2025-jan
Gbp-Pq: Name fs-xfs-Handle-root-inode-read-failure-in-grub_xfs_mount.patch
---

diff --git a/grub-core/fs/xfs.c b/grub-core/fs/xfs.c
index 28a3429..59bdee5 100644
--- a/grub-core/fs/xfs.c
+++ b/grub-core/fs/xfs.c
@@ -1086,6 +1086,8 @@ grub_xfs_mount (grub_disk_t disk)
 	       grub_cpu_to_be64(data->sblock.rootino));
 
   grub_xfs_read_inode (data, data->diropen.ino, &data->diropen.inode);
+  if (grub_errno)
+    goto fail;
 
   return data;
  fail: