Re: [merged] mm-fix-potential-data-race-in-sys_swapon.patch removed from -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 24 Aug 2015 12:46:54 -0700 (PDT) Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> Adding Mel to Cc.
> 
> On Mon, 24 Aug 2015, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> > 
> > The patch titled
> >      Subject: mm: fix potential data race in SyS_swapon
> > has been removed from the -mm tree.  Its filename was
> >      mm-fix-potential-data-race-in-sys_swapon.patch
> > 
> > This patch was dropped because it was merged into mainline or a subsystem tree
> 
> Administrative error?  I don't see this merged into mainline yet,
> and didn't see your usual mail when you send in a batch to Linus.

Al Viro grabbed it and put it into linux-next.

He didn't include the cc:stable.  I stared at that for a while and
decided to let it all stand - as you say, the -stable backport is
marginal.  swapon isn't exactly a high-frequency operation.

> And I wouldn't want it rushed too quickly to Linus: that stable
> tag is barely justified, this is a very narrow race window that
> has gone unnoticed for years, and swapon requires CAP_SYS_ADMIN.
> 
> But also I spotted Mel proposing a swap-over-NFS patch in this area
> on LKML last Thursday: he appeared to be relying on the loop that I
> remove here, so he might want to veto this one (though can always
> reinstate what he needs later, if that's how it plays out).

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]