github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 17:47:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ipv6: use READ_ONCE() for bindv6only default in inet6_create()

Browse Source 
inet6_create() reads net->ipv6.sysctl.bindv6only locklessly.

Use READ_ONCE() for this sysctl access.

Signed-off-by: Runyu Xiao <runyu.xiao@seu.edu.cn>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260602002414.1504106-1-runyu.xiao@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Runyu Xiao 2026-06-02 08:24:14 +08:00 committed by Jakub Kicinski
parent 831d557a3e
commit 7a20eb5422
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/ipv6/af_inet6.c
View File

@ -211,7 +211,7 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
np->pmtudisc = IPV6_PMTUDISC_WANT;
inet6_assign_bit(REPFLOW, sk, READ_ONCE(net->ipv6.sysctl.flowlabel_reflect) &
FLOWLABEL_REFLECT_ESTABLISHED);
sk->sk_ipv6only = net->ipv6.sysctl.bindv6only;
sk->sk_ipv6only = READ_ONCE(net->ipv6.sysctl.bindv6only);
sk->sk_txrehash = READ_ONCE(net->core.sysctl_txrehash);
/* Init the ipv4 part of the socket since we can have sockets