Re: BUG: unable to handle kernel NULL pointer dereference at0000000000000098

From: Tejun Heo
Date: Fri Nov 29 2013 - 17:22:44 EST


On Tue, Nov 26, 2013 at 05:21:52PM +0800, Yuanhan Liu wrote:
> Greetings,
>
> I got the below dmesg and the first bad commit is
>
> commit 98de48a0e011f2ef497a0f0c40b79169198cf797
> Author: Tejun Heo <tj@xxxxxxxxxx>
> AuthorDate: Sat Nov 23 18:01:54 2013 -0500
> Commit: Tejun Heo <tj@xxxxxxxxxx>
> CommitDate: Sat Nov 23 18:01:54 2013 -0500
>
> sysfs, kernfs: make sysfs_dirent definition public
...
> [ 0.372911] BUG: unable to handle kernel NULL pointer dereference at 0000000000000098
> [ 0.374091] IP: [<ffffffff812fdbbb>] kobject_add_internal+0x1cb/0x6c0

This was from the patch incorrectly replacing dummy noop
implementation for !CONFIG_SYSFS with the actual implementation.
Updated patches posted.

Thank you very much!

--
tejun
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