[powerpc] Intermittent crashes ( link_path_walk) with linux-next

[Sachin Sant]

> On 26-Mar-2020, at 7:19 PM, Al Viro <viro at zeniv.linux.org.uk> wrote:
> 
> On Thu, Mar 26, 2020 at 10:40:06PM +1100, Michael Ellerman wrote:
> 
>>> The code in question (link_path_walk() in fs/namei.c ) was recently changed by
>>> following commit:
>>> 
>>> commit 881386f7e46a: 
>>>  link_path_walk(): sample parent's i_uid and i_mode for the last component
>> 
>> That and about 10 other commits.
>> 
>> Unless Al can give us a clue we'll need to bisect.
> 
> 	Already fixed yesterday.  It's not link_path_walk(), it's handle_dots()
> ignoring an error returned by step_into().
> 
> commit 5e3c3570ec97 is the broken one; commit 20971012f63e is its variant with the
> fix folded in.  So next-20200325 has the bug and next-20200326 should have it
> fixed.  Could you check the current -next and see if you still observe that crap?

Thanks Al for the information. 

I confirm that today’s next tree (20200326) work for me. I can no longer recreate this
problem.

Thanks
-Sachin