4.2-stable review patch. If anyone has any objections, please let me know.
------------------ From: Eric Dumazet <[email protected]> [ Upstream commit 8fa677d2706d325d71dab91bf6e6512c05214e37 ] Under low memory conditions, tcp_sk_init() and icmp_sk_init() can both iterate on all possible cpus and call inet_ctl_sock_destroy(), with eventual NULL pointer. Signed-off-by: Eric Dumazet <[email protected]> Reported-by: Dmitry Vyukov <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- include/net/inet_common.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -41,7 +41,8 @@ int inet_recv_error(struct sock *sk, str static inline void inet_ctl_sock_destroy(struct sock *sk) { - sock_release(sk->sk_socket); + if (sk) + sock_release(sk->sk_socket); } #endif -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
