Re: get_device_parent() race bug

[Tejun Heo]

Tejun Heo wrote:
> Hello, Greg, Kay, Guthrie.
> 
> This problem was reported in bko#14023.  (aiee.. again, sorry about
> the delay)
> 
>   http://bugzilla.kernel.org/show_bug.cgi?id=14023
> 
> sysfs is creating several devices in cuse class concurrently and with
> CONFIG_SYSFS_DEPRECATED turned off, it triggers the following oops.
> 
>  BUG: unable to handle kernel NULL pointer dereference at 0000000000000038

Ping.  This one needs to be fixed in -stable.  It can be triggered by
other char devices too.

Thanks.

-- 
tejun
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