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In macb_suspend(), idev->ifa_list is fetched with rcu_access_pointer()
and later the pointer is dereferenced as ifa->ifa_local.
So, idev->ifa_list must be fetched with rcu_dereference().
Fixes: 0cb8de39a7 ("net: macb: Add ARP support to WOL")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20240808040021.6971-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>