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bond_miimon_commit() is run while RTNL is held, not RCU. WARNING: suspicious RCU usage 6.1.0-syzkaller-09671-g89529367293c #0 Not tainted ----------------------------- drivers/net/bonding/bond_main.c:2704 suspicious rcu_dereference_check() usage! Fixes: e95cc44763a4 ("bonding: do failover when high prio link up") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Cc: Hangbin Liu <liuhangbin@gmail.com> Cc: Jay Vosburgh <j.vosburgh@gmail.com> Cc: Veaceslav Falico <vfalico@gmail.com> Cc: Andy Gospodarek <andy@greyhouse.net> Link: https://lore.kernel.org/r/20221220130831.1480888-1-edumazet@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>