1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index ffa366099eb2..5089dd6bee0f 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2455,7 +2455,8 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i)
                 /* Because we don't lock the socket,
                  * we might find a transient negative value.
                  */
-                rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
+                rx_queue = max_t(int, READ_ONCE(tp->rcv_nxt) -
+                                      tp->copied_seq, 0);
 
         seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
                         "%08X %5u %8d %lu %d %pK %lu %lu %u %u %d",