arp: Convert SIOCDARP and SIOCSARP to per-netns RTNL.

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ioctl(SIOCDARP/SIOCSARP) operates on a single netns fetched from
an AF_INET socket in inet_ioctl().

Let's hold rtnl_net_lock() for SIOCDARP and SIOCSARP.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250211045057.10419-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Kuniyuki Iwashima 2025-02-11 13:50:57 +09:00 • committed by Paolo Abeni

parent a3783dbf25

commit 7aca0d8a72

1 changed files with 6 additions and 6 deletions

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net/ipv4/arp.c

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