linux-kernel - Re: [PATCH] KEYS: encrypted: Add check for strsep

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Date: Tue, 30 Jan 2024 19:22:27 +0200
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Verma, Vishal L" <vishal.l.verma@...el.com>, "zohar@...ux.ibm.com"
 <zohar@...ux.ibm.com>, "paul@...l-moore.com" <paul@...l-moore.com>,
 "dhowells@...hat.com" <dhowells@...hat.com>, "yaelt@...gle.com"
 <yaelt@...gle.com>, "serge@...lyn.com" <serge@...lyn.com>,
 "nichen@...as.ac.cn" <nichen@...as.ac.cn>, "sumit.garg@...aro.org"
 <sumit.garg@...aro.org>, "jmorris@...ei.org" <jmorris@...ei.org>
Cc: "Jiang, Dave" <dave.jiang@...el.com>, "linux-integrity@...r.kernel.org"
 <linux-integrity@...r.kernel.org>, "linux-cxl@...r.kernel.org"
 <linux-cxl@...r.kernel.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "Williams, Dan J"
 <dan.j.williams@...el.com>, "keyrings@...r.kernel.org"
 <keyrings@...r.kernel.org>, "linux-security-module@...r.kernel.org"
 <linux-security-module@...r.kernel.org>, "nvdimm@...ts.linux.dev"
 <nvdimm@...ts.linux.dev>
Subject: Re: [PATCH] KEYS: encrypted: Add check for strsep

On Wed Jan 24, 2024 at 11:10 PM EET, Verma, Vishal L wrote:
> On Wed, 2024-01-24 at 15:40 -0500, Mimi Zohar wrote:
> > On Wed, 2024-01-24 at 20:10 +0000, Verma, Vishal L wrote:
> > > > 
> > > Ah, thanks for confirming! Would you like me to send a revert patch or
> > > will you do it?
> > 
> > Revert "KEYS: encrypted: Add check for strsep"
> >     
> > This reverts commit b4af096b5df5dd131ab796c79cedc7069d8f4882.
> >     
> > New encrypted keys are created either from kernel-generated random
> > numbers or user-provided decrypted data.  Revert the change requiring
> > user-provided decrypted data.
> > 
> > 
> > Can I add your Reported-by?
>
> Yes that works, Thank you.

This went totally wrong IMHO.

Priority should be to locate and fix the bug not revert useful stuff
when a bug is found that has limited scope.

BR, Jarkko