Re: [PATCH v2 5/6] sysctl/infiniband: Fixes infiniband sysctl bounds

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On Mon, Mar 03, 2025 at 08:53:09PM +0200, Leon Romanovsky wrote:
> On Mon, Mar 03, 2025 at 02:57:29PM +0100, Joel Granados wrote:
> > On Mon, Feb 24, 2025 at 03:41:05PM +0200, Leon Romanovsky wrote:
> > > On Mon, Feb 24, 2025 at 10:58:20AM +0100, nicolas.bouchinet@xxxxxxxxxxx wrote:
> > > > From: Nicolas Bouchinet <nicolas.bouchinet@xxxxxxxxxxx>
> > > > 
> > > > Bound infiniband iwcm and ucma sysctl writings between SYSCTL_ZERO
> > > > and SYSCTL_INT_MAX.
> > > > 
> > > > The proc_handler has thus been updated to proc_dointvec_minmax.
> > > > 
> > > > Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@xxxxxxxxxxx>
> > > > ---
> > > >  drivers/infiniband/core/iwcm.c | 4 +++-
> > > >  drivers/infiniband/core/ucma.c | 4 +++-
> > > >  2 files changed, 6 insertions(+), 2 deletions(-)
> > > > 
> > > 
> > > Acked-by: Leon Romanovsky <leon@xxxxxxxxxx>
> > > 
> > > How do you want to proceed from here? Should I take to RDMA repository?
> > > 
> > > Thanks
> > It would be great if we push this through RDMA. Here are a few comments:
> > 1. Having the upper bound be SYSCTL_INT_MAX is not necessary (as it is
> >    silently capped by proc_dointvec_minmax, but it is good to have as it
> >    gives understanding on what the spread of the values are.
> > 
> > 2. Having the lower bound capped by SYSCTL_ZERO is needed as it will
> >    prevent ppl trying to assing negative values to the unsigned integers
> > 
> > Please let me know if you will push this through RDMA, so I know to
> > remove it from sysctl.
> 
> Applied to RDMA tree.
> https://web.git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?h=wip/leon-for-next&id=f33cd9b3fd03a791296ab37550ffd26213a90c4e
Perfect. Thx.

@Nicolas: pls take this one out of your next version as it is
already on its way upstrea.

Best
> 
> > 
> > Best
> > 
> > Reviewed-by: Joel Granados <joel.granados@xxxxxxxxxx>
> 
> Thanks
> 
> > 
> > -- 
> > 
> > Joel Granados

-- 

Joel Granados




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