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authorKuniyuki Iwashima <kuniyu@amazon.com>2024-06-04 19:52:37 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-06-06 13:57:15 +0300
commitbd9f2d05731f6a112d0c7391a0d537bfc588dbe6 (patch)
treeee79208fb687f270e67903ebdd83667de7b1a92e /net/unix
parentb0632e53e0da8054e36bc973f0eec69d30f1b7c6 (diff)
downloadlinux-bd9f2d05731f6a112d0c7391a0d537bfc588dbe6.tar.xz
af_unix: Annotate data-race of net->unx.sysctl_max_dgram_qlen.
net->unx.sysctl_max_dgram_qlen is exposed as a sysctl knob and can be changed concurrently. Let's use READ_ONCE() in unix_create1(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/unix')
-rw-r--r--net/unix/af_unix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index de2a5e334a88..623ee39657e2 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -976,7 +976,7 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern,
sk->sk_hash = unix_unbound_hash(sk);
sk->sk_allocation = GFP_KERNEL_ACCOUNT;
sk->sk_write_space = unix_write_space;
- sk->sk_max_ack_backlog = net->unx.sysctl_max_dgram_qlen;
+ sk->sk_max_ack_backlog = READ_ONCE(net->unx.sysctl_max_dgram_qlen);
sk->sk_destruct = unix_sock_destructor;
u = unix_sk(sk);
u->listener = NULL;