lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 15 May 2022 21:37:31 -0400 From: Xin Long <lucien.xin@...il.com> To: network dev <netdev@...r.kernel.org> Cc: davem@...emloft.net, kuba@...nel.org, Eric Dumazet <edumazet@...gle.com> Subject: [PATCH net] dn_route: set rt neigh to blackhole_netdev instead of loopback_dev in ifdown Like other places in ipv4/6 dst ifdown, change to use blackhole_netdev instead of pernet loopback_dev in dn dst ifdown. Since commit faab39f63c1f ("net: allow out-of-order netdev unregistration"), in .ifdown it's been no longer safe to use loopback_dev that may be freed before other netdev. Fixes: faab39f63c1f ("net: allow out-of-order netdev unregistration") Signed-off-by: Xin Long <lucien.xin@...il.com> --- net/decnet/dn_route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 7e85f2a1ae25..99cc52e672b3 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -159,7 +159,7 @@ static void dn_dst_ifdown(struct dst_entry *dst, struct net_device *dev, int how struct neighbour *n = rt->n; if (n && n->dev == dev) { - n->dev = dev_net(dev)->loopback_dev; + n->dev = blackhole_netdev; dev_hold(n->dev); dev_put(dev); } -- 2.31.1
Powered by blists - more mailing lists