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Date: Fri, 26 Jun 2015 10:24:48 -0400 From: Andy Gospodarek <gospo@...ulusnetworks.com> To: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com> Cc: Dinesh Dutt <ddutt@...ulusnetworks.com>, Scott Feldman <sfeldma@...il.com>, "David S. Miller" <davem@...emloft.net>, James Morris <jmorris@...ei.org>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [-next] fib_dump_info() suspicious RCU usage On Fri, Jun 26, 2015 at 06:35:40PM +0900, Sergey Senozhatsky wrote: > Hello, > > Since 0eeb075fad736 ('net: ipv4 sysctl option to ignore routes when nexthop > link is down') fib_dump_info() and fib_sync_up() are using __in_dev_get_rcu(), > which requires (missing) RCU read side protection. Yep, I can reproduce this now. Thanks for reporting. I'll take a look and should be able to post an easy fix quickly. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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