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b19cbe2a16
br_fdb_get use atomic_inc to increase the refcount of an element found on a RCU protected list, which can lead to the following race: CPU0 CPU1 br_fdb_get: rcu_read_lock __br_fdb_get: find element fdb_delete: hlist_del_rcu br_fdb_put br_fdb_put: atomic_dec_and_test call_rcu(fdb_rcu_free) br_fdb_get: atomic_inc rcu_read_unlock fdb_rcu_free: kmem_cache_free Use atomic_inc_not_zero instead. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| netfilter | ||
| br.c | ||
| br_device.c | ||
| br_fdb.c | ||
| br_forward.c | ||
| br_if.c | ||
| br_input.c | ||
| br_ioctl.c | ||
| br_netfilter.c | ||
| br_netlink.c | ||
| br_notify.c | ||
| br_private.h | ||
| br_private_stp.h | ||
| br_stp.c | ||
| br_stp_bpdu.c | ||
| br_stp_if.c | ||
| br_stp_timer.c | ||
| br_sysfs_br.c | ||
| br_sysfs_if.c | ||
| Kconfig | ||
| Makefile | ||