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linux/net/ipv6/icmp.c
Eric Dumazet 653bb5225c ipv6: icmp: convert to dev_net_rcu() 
[ Upstream commit 34aef2b0ce ]

icmp6_send() must acquire rcu_read_lock() sooner to ensure
the dev_net() call done from a safe context.

Other ICMPv6 uses of dev_net() seem safe, change them to
dev_net_rcu() to get LOCKDEP support to catch bugs.

Fixes: 9a43b709a2 ("[NETNS][IPV6] icmp6 - make icmpv6_socket per namespace")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250205155120.1676781-12-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-02-21 14:01:42 +01:00

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