Before setting the acl, call posix_acl_valid() to check if it is
valid or not.
Signed-off-by: zhang zhen <zhenzhang.zhang@xxxxxxxxxx>
---
fs/ext4/acl.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index d40c8db..97f7650 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -197,6 +197,12 @@ __ext4_set_acl(handle_t *handle, struct inode *inode, int type,
size_t size = 0;
int error;
+ if (acl) {
+ error = posix_acl_valid(acl);
+ if (error < 0)
+ return error;
+ }
+
switch (type) {
case ACL_TYPE_ACCESS:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
--
1.6.0.2
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
