Re: [PATCH 5.10.y] cifs: fix off-by-one in SMB2_query_info_init()

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On Mon, Jan 29, 2024 at 09:57:40PM +0530, Harshit Mogalapalli wrote:
> Hi Kovalev,
> 
> On 29/01/24 1:49 pm, kovalev@xxxxxxxxxxxx wrote:
> > 29.01.2024 08:43, Harshit Mogalapalli wrote:
> > > This patch is only for v5.10.y stable kernel.
> > > I have tested the patched kernel, after mounting it doesn't become
> > > unavailable.
> > > 
> > > Context:
> > > [1] https://lore.kernel.org/all/CAH2r5mv2ipr4KJfMDXwHgq9L+kGdnRd1C2svcM=PCoDjA7uALA@xxxxxxxxxxxxxx/#t
> > > 
> > > Note to Greg: This is alternative way to fix by not taking commit
> > > eb3e28c1e89b ("smb3: Replace smb2pdu 1-element arrays with
> > > flex-arrays").
> > > before applying this patch a patch in the queue needs to be removed: https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/smb3-replace-smb2pdu-1-element-arrays-with-flex-arrays.patch
> > Maybe I don't understand something, but isn't there a goal when fixing
> > bugs to keep the code of stable branches with upstream code as much as
> > possible? Otherwise, the following fixes will not be compatible..
> 
> I agree, but at the same time we also should observe this:
> eb3e28c1e89b ("smb3: Replace smb2pdu 1-element arrays with flex-arrays") is
> not in 5.15.y so we probably shouldn't queue it up for 5.10.y.

It is queued up for 5.10, but not 5.15 for some reason?

confused,

greg k-h




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