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ipv4: icmp: convert to dev_net_rcu()
__icmp_send() must ensure rcu_read_lock() is held, as spotted by Jakub. Other ICMP uses of dev_net() seem safe, change them to dev_net_rcu() to get LOCKDEP support. Fixes: dde1bc0 ("[NETNS]: Add namespace for ICMP replying code.") Closes: https://lore.kernel.org/netdev/20250203153633.46ce0337@kernel.org/ Reported-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20250205155120.1676781-9-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet
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Jakub Kicinski
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Feb 7, 2025
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