suspicious rcu_dereference_check at kernel/sched.c:618
Ben Greear
I see this fairly often, and would be happy to test patches :)
===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
/home/greearb/git/linux.wireless-testing/kernel/sched.c:618 invoked rcu_dereference_check() without protection!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 1
1 lock held by ifup/23517:
#0: (&rq->lock){-.-.-.}, at: [<c042f782>] task_fork_fair+0x3b/0x108
stack backtrace:
Pid: 23517, comm: ifup Not tainted 2.6.36-rc6-wl+ #5
Call Trace:
[<c075e219>] ? printk+0xf/0x16
[<c0455842>] lockdep_rcu_dereference+0x74/0x7d
[<c0426854>] task_group+0x6d/0x79
[<c042686e>] set_task_rq+0xe/0x57
[<c042f79e>] task_fork_fair+0x57/0x108
[<c042e965>] sched_fork+0x82/0xf9
[<c04334b3>] copy_process+0x569/0xe8e
[<c0433ef0>] do_fork+0x118/0x262
[<c076302f>] ? do_page_fault+0x16a/0x2cf
[<c044b80c>] ? up_read+0x16/0x2a
[<c04085ae>] sys_clone+0x1b/0x20
[<c04030a5>] ptregs_clone+0x15/0x30
[<c0402f1c>] ? sysenter_do_call+0x12/0x38
Thanks,
Ben
--
Ben Greear <gre...@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
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