On Sun 02-09-18 23:31:00, Chengguang Xu wrote: > In the case ACL_USER and ACL_GROUP we check if value has exceeded end, > add same check in the case ACL_OTHER as well. > > Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx> > --- > fs/ext2/acl.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c > index 224c04abb2e5..3082d93f1cb1 100644 > --- a/fs/ext2/acl.c > +++ b/fs/ext2/acl.c > @@ -53,6 +53,8 @@ ext2_acl_from_disk(const void *value, size_t size) > case ACL_OTHER: > value = (char *)value + > sizeof(ext2_acl_entry_short); > + if ((char *)value > end) > + goto fail; This is not needed. This condition is already checked 10 lines above... Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR