subject:"\[\-next\] fib_dump_info\(\) suspicious RCU usage"

Re: [-next] fib_dump_info() suspicious RCU usage

2015-06-26 Thread Andy Gospodarek

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

[-next] fib_dump_info() suspicious RCU usage

2015-06-26 Thread Sergey Senozhatsky

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. [ 60.605034] === [ 60.605035] [ INFO: suspicious RC