Re: [PATCH] md: fix kmemleak of rdev->serial

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On Wed, May 15, 2024 at 11:54 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
>
> A: http://en.wikipedia.org/wiki/Top_post
> Q: Were do I find info about this thing called top-posting?
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>
> A: No.
> Q: Should I include quotations after my reply?
>
> http://daringfireball.net/2007/07/on_top
Got it.


>
> On Wed, May 15, 2024 at 09:31:07AM -0700, Jeremy Bongio wrote:
> > 5.4 doesn't have "mddev_destroy_serial_pool" ... More work would be
> > needed to figure out if the vulnerability exists and how to fix it.
>
> Can you do that please?  I know Google still cares about 5.4 kernel
> trees :)
For 5.4 renaming mddev_destroy_serial_pool() to
mddev_destroy_wb_pool() should be good.
I notified the Android security team to test.

>
> > The patch also applies to 5.15, but I haven't tested it.
>
> I took it there as we can't take a patch for an older kernel and not a
> newer one, as that would cause a regression when people upgrade.
Makes sense.

>
> thanks,
>
> greg k-h





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