diff options
| -rw-r--r-- | fs/efivarfs/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index 11ebddc57bc7..1831e015b2f2 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -127,6 +127,10 @@ static int efivarfs_d_compare(const struct dentry *dentry, { int guid = len - EFI_VARIABLE_GUID_LEN; + /* Parallel lookups may produce a temporary invalid filename */ + if (guid <= 0) + return 1; + if (name->len != len) return 1; |