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commit 32d0a49 upstream. syzbot/KCSAN reported data-races in macsec whenever dev->stats fields are updated. It appears all of these updates can happen from multiple cpus. Adopt SMP safe DEV_STATS_INC() to update dev->stats fields. Fixes: c09440f ("macsec: introduce IEEE 802.1AE driver") Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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