Re: smb cifs: Linux 6.7 pre rc-1 kernel dump in smb2_get_aead_req

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On Sun, Nov 05, 2023 at 08:40:03PM +0100, Damian Tometzki wrote:
> On Sun, 05. Nov 11:36, Eric Biggers wrote:
> > On Sun, Nov 05, 2023 at 11:05:30AM -0700, Steve French wrote:
> > > maybe related to this recent crypto patch?
> > > 
> > > https://git.samba.org/?p=sfrench/cifs-2.6.git;a=commit;h=783fa2c94f4150fe1b7f7d88b3baf6d98f82b41b
> > > 
> > > On Sun, Nov 5, 2023, 10:32 Damian Tometzki <damian@xxxxxxxxxxxxxx> wrote:
> > > > [   83.530503] CPU: 7 PID: 4584 Comm: mount.cifs Tainted: G        W
> > > >     6.6.0 #61
> > > > [   83.530508] Hardware name: LENOVO 20XWCTO1WW/20XWCTO1WW, BIOS N32ET86W
> > > > (1.62 ) 07/12/2023
> > 
> > The above suggests that this warning occurred on 6.6, not on 6.7 pre rc1.
> > 
> > - Eric
> Hello,
> 
> is little bit missleading but it is 6.6 from linus mainline git with all
> the pull request. 
> 
> Damian
> 

Okay, next time please mention the actual commit ID.  Anyway, the warning is
'WARN_ON_ONCE(user_backed_iter(&rqst[i].rq_iter))', so maybe take a look at
changes from 

    commit f1b4cb650b9a0eeba206d8f069fcdc532bfbcd74
    Author: David Howells <dhowells@xxxxxxxxxx>
    Date:   Mon Sep 25 13:03:03 2023 +0100

        iov_iter: Derive user-backedness from the iterator type

and the pull request that contained it:

    commit df9c65b5fc7ef1caabdb7a01a2415cbb8a00908d
    Merge: 3b3f874cc1d07 b5f0e20f444cd
    Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
    Date:   Mon Oct 30 09:24:21 2023 -1000

        Merge tag 'vfs-6.7.iov_iter' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

        Pull iov_iter updates from Christian Brauner:
         "This contain's David's iov_iter cleanup work to convert the iov_iter
          iteration macros to inline functions:



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