On Thu, Jan 12, 2017 at 06:37:54PM +0800, [email protected] wrote: > From: Feng <[email protected]> > > The rcu lock protect is added 3 years ago with the commit > e688a7f8c6cb7a18aae7e55ccdd175f0ad9e69c0. But I find the dump > operation is protected by the nfnl_lock in the current codes. The > dump is a synchronization opertion in the netlink callback function > which is protected by the nfnl_lock.
nfnl_lock() only protects the first call, follow up recvmsg() calls in rely on rcu. Please, see netlink_dump(). -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
