Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore

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Subject: Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore
From: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
Date: Sun, 15 Mar 2020 23:27:06 +0200
Cc: James Morris <jmorris@xxxxxxxxx>, "Serge E. Hallyn" <serge@xxxxxxxxxx>, Mimi Zohar <zohar@xxxxxxxxxxxxx>, keyrings@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, linux-integrity@xxxxxxxxxxxxxxx, Sumit Garg <sumit.garg@xxxxxxxxxx>, Jerry Snitselaar <jsnitsel@xxxxxxxxxx>, Roberto Sassu <roberto.sassu@xxxxxxxxxx>, Eric Biggers <ebiggers@xxxxxxxxxx>, Chris von Recklinghausen <crecklin@xxxxxxxxxx>
In-reply-to: <20200315192104.GD224162@linux.intel.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

On Sun, Mar 15, 2020 at 09:21:16PM +0200, Jarkko Sakkinen wrote:
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

I guess we cannot sanely define fixes tag for this one, can we?

Surely this should still go to stable.

Do you have a test case that can reproduce this on a constant basis?

/Jarkko

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References:
- [PATCH v3 0/3] KEYS: Read keys to internal buffer & then copy to userspace
  - From: Waiman Long
- [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore
  - From: Waiman Long
- Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore
  - From: Jarkko Sakkinen

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