Re: [PATCH] net: sunrpc: sizeof('\0') is 4, not 1

[Chuck Lever]

On Sat, Dec 16, 2023 at 04:53:23PM +1100, NeilBrown wrote:
> On Sat, 16 Dec 2023, Ahelenia Ziemiańska wrote:
> > On Sat, Dec 16, 2023 at 03:27:16PM +1100, NeilBrown wrote:
> > > On Sat, 16 Dec 2023, Ahelenia Ziemiańska wrote:
> > > > To make it self-documenting, the referenced commit added the space
> > > > for the null terminator as sizeof('\0'). The message elaborates on
> > > > why only one byte is needed, so this is clearly a mistake.
> > > > Spell it as 1 /* NUL */ instead.
> > > > 
> > > > Fixes: commit 1e360a60b24a ("SUNRPC: Address  buffer overrun in
> > > >  rpc_uaddr2sockaddr()")
> > > It isn't clear to me that "Fixes" is appropriate as that patch isn't
> > > harmful, just confused and sub-optimal.
> > I definitely agree, I don't like Fixes here at all,
> > but I don't really see another trailer in the documentation
> > or in the log that could be used for this.
> > 
> 
> Make up a new Trailer? 
> 
> I would probably just write
> 
>  To make it self-documenting,
>    commit 1e360a60b24a ("SUNRPC: Address  buffer overrun in rpc_uaddr2sockaddr()")
>  added the space for the null terminator as sizeof('\0') which is 4.  The commit
>  elaborates on  why only one byte is needed, so this is clearly a mistake.
>  Spell it as 1 /* NUL */ instead.

Agreed; if Fixes: is overkill, simply spell out the commit that
introduced the issue in the patch description as Neil does here.


-- 
Chuck Lever