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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:18 +0000
commitc6fca85f2153de8b2451269de43abcc2aa0213ab (patch)
treeba8548f2df113c7da8a46563947536f455f9a1c0 /fs/ecryptfs/inode.c
parentAdding debian version 6.1.76-1. (diff)
downloadlinux-c6fca85f2153de8b2451269de43abcc2aa0213ab.tar.xz
linux-c6fca85f2153de8b2451269de43abcc2aa0213ab.zip
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index c214fe098..55340ac61 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -76,6 +76,14 @@ static struct inode *__ecryptfs_get_inode(struct inode *lower_inode,
if (lower_inode->i_sb != ecryptfs_superblock_to_lower(sb))
return ERR_PTR(-EXDEV);
+
+ /* Reject dealing with casefold directories. */
+ if (IS_CASEFOLDED(lower_inode)) {
+ pr_err_ratelimited("%s: Can't handle casefolded directory.\n",
+ __func__);
+ return ERR_PTR(-EREMOTE);
+ }
+
if (!igrab(lower_inode))
return ERR_PTR(-ESTALE);
inode = iget5_locked(sb, (unsigned long)lower_inode,