Re: [PATCH 6.3 000/694] 6.3.2-rc2 review

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On Tue, May 09, 2023 at 02:58:06PM +0000, Rudi Heitbaum wrote:
> On Tue, May 09, 2023 at 03:56:42PM +0200, Greg Kroah-Hartman wrote:
> > On Tue, May 09, 2023 at 01:10:32PM +0000, Rudi Heitbaum wrote:
> > > On Tue, May 09, 2023 at 08:06:58AM +0000, Rudi Heitbaum wrote:
> > > > On Tue, May 09, 2023 at 05:26:44AM +0200, Greg Kroah-Hartman wrote:
> > > > > This is the start of the stable review cycle for the 6.3.2 release.
> > > > > There are 694 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 Thu, 11 May 2023 03:05:05 +0000.
> > > > > Anything received after that time might be too late.
> > > > 
> > > > Hi Greg,
> > > > 
> > > > 6.3.2-rc2 tested.
> > > 
> > > Hi Greg,
> > > 
> > > Further testing and have seen ntfs3: NULL pointer dereference with ntfs_lookup errors 
> > > with 6.3.2-rc2 (I have not seen this error before.) No other errors in the logs.
> > 
> > Can you reproduce this without the extern, gpl-violation module loaded?
> > 
> > thanks,
> > 
> > greg k-h
> 
> Hi Greg,
> 
> I dropped the bcm_sta and recompiled and commented out the i915.guc=3
> and was able to reproduce.
> 
> [   84.745080] BUG: kernel NULL pointer dereference, address: 0000000000000020
> [   84.746239] #PF: supervisor read access in kernel mode
> [   84.747599] #PF: error_code(0x0000) - not-present page
> [   84.748929] PGD 0 P4D 0 
> [   84.750240] Oops: 0000 [#1] SMP NOPTI
> [   84.751575] CPU: 2 PID: 3176 Comm: .NET ThreadPool Not tainted 6.3.2-rc2 #1
> [   84.752998] Hardware name: Intel(R) Client Systems NUC12WSKi7/NUC12WSBi7, BIOS WSADL357.0085.2022.0718.1739 07/18/2022
> [   84.754474] RIP: 0010:ntfs_lookup+0x76/0xe0 [ntfs3]

And do you get this same crash on ntfs3 on 6.4-rc1?  Is this a new
regression, or does it also show up on 6.3.1?

And ntfs, ick, why?  And .NET?  What a combination...

thanks,

greg k-h



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