Sasha Levin <[email protected]> wrote: > When a key is being garbage collected, it's key->user would get put before > the ->destroy() callback is called, where the key is removed from it's > respective tracking structures. > > This leaves a key hanging in a semi-invalid state which leaves a window open > for a different task to try an access key->user. An example is > find_keyring_by_name() which would dereference key->user for a key that is > in the process of being garbage collected (where key->user was freed but > ->destroy() wasn't called yet - so it's still present in the linked list). > > This would cause either a panic, or corrupt memory. > > Signed-off-by: Sasha Levin <[email protected]>
Applied. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
