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-rw-r--r--source4/ntvfs/posix/pvfs_acl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_acl.c b/source4/ntvfs/posix/pvfs_acl.c
index 57a463aba6..06a4e69004 100644
--- a/source4/ntvfs/posix/pvfs_acl.c
+++ b/source4/ntvfs/posix/pvfs_acl.c
@@ -511,6 +511,10 @@ NTSTATUS pvfs_access_check(struct pvfs_state *pvfs,
NTSTATUS status;
struct security_descriptor *sd;
+ if (*access_mask == 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
if (pvfs_read_only(pvfs, *access_mask)) {
return NT_STATUS_ACCESS_DENIED;
}