net: sched: fix unprotected access to rcu cookie pointer

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Fix action attribute size calculation function to take rcu read lock and
access act_cookie pointer with rcu dereference.

Fixes: eec94fdb04 ("net: sched: use rcu for action cookie update")
Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Vlad Buslov 2018-07-09 20:26:47 +03:00 • committed by David S. Miller

parent 2368957ab5

commit e0479b670d

1 changed files with 7 additions and 2 deletions

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net/sched/act_api.c

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