Re: [PATCH 5.10 000/406] 5.10.195-rc1 review

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On 9/20/23 01:11, Greg Kroah-Hartman wrote:
On Tue, Sep 19, 2023 at 09:57:25PM -0700, Guenter Roeck wrote:
On 9/17/23 12:07, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 5.10.195 release.
There are 406 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Tue, 19 Sep 2023 19:10:04 +0000.
Anything received after that time might be too late.

chromeos-5.10 locks up in configfs_lookup() after the merge of v5.10.195.

I am a bit puzzled because I see

c709c7ca020a configfs: fix a race in configfs_lookup()

in v5.10.195 but not in the list of commits below. I guess I must be
missing something.

It was part of the big patchset, it was posted here:

Not hidden at all :)

and was submitted here:

Either case, the code now looks as follows.

         err = configfs_attach_attr(sd, dentry);



which unless it is way too late here and I really need to go to sleep
just won't work.

Kyle, you did the backport, any comments?

After a good night sleep, the code still looks wrong to me. Reverting
the offending patch in chromeos-5.10 solved the problem there.
That makes me suspect that no one actually tests configfs.


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