linux-kernel - Re: [PATCH 6.4 00/28] 6.4.1-rc1 review

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Date:   Sun, 2 Jul 2023 21:46:26 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Helge Deller <deller@....de>, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        linux-parisc <linux-parisc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        John David Anglin <dave.anglin@...l.net>
Subject: Re: [PATCH 6.4 00/28] 6.4.1-rc1 review - hppa argument list too long

On 7/2/23 21:22, Linus Torvalds wrote:
> On Sun, 2 Jul 2023 at 20:23, Guenter Roeck <linux@...ck-us.net> wrote:
>>
>> I can reproduce the problem in qemu. However, I do not see a warning
>> after applying your patch.
> 
> Funky, funky.
> 
> I'm assuming it's the
> 
>                                  page = get_arg_page(bprm, pos, 1);
>                                  if (!page) {
>                                          ret = -E2BIG;
>                                          goto out;
>                                  }
> 
> in copy_strings() that causes this. Or possibly, the version in
> copy_string_kernel().
> 
> Does *this* get that "pr_warn()" printout (and a stack trace once,
> just for good measure)?
> 

Sorry, you lost me. Isn't that the same patch as before ? Or
is it just time for me to go to bed ?

Guenter