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Re: [PATCH][BZ #15054] MIPS: Fix syscall wrappers for syscall restart support
On Tue, 29 Jan 2013, Ralf Baechle wrote:
> > > sure, you won't be able to retroactively fixing kernels. but you'll be able to
> > > make future kernels more robust against shady userlands. as you've pointed
> > > out, this is an extremely subtle bug that can easily go unnoticed for a long
> > > time which simply injects random flakiness into the runtime system.
> >
> > That's not unreasonable, I agree. Ralf, what do you think?
>
> Kernel commit 8f5a00eb422ed86e77bb8f67e08b9fe6d30f679a [MIPS: Sanitize
> restart logics] dated September 28, 2010 has already fixed this issue
> for Linux 2.6.36.
>
> The linux-mips.org kernel tree contains backports of this patch to all
> -stable branches all the way back to 2.6.16.
Good to know, thanks. This means we won't have to be concerned about
this issue once we have stopped supporting kernel versions below 2.6.36.
Maciej