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

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Message-ID: <CAHk-=wgdC6RROG145_YB5yWoNtBQ0Xsrhdcu2TMAFTw52U2E0w@mail.gmail.com>
Date:   Sun, 2 Jul 2023 21:22:37 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
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 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)?

              Linus

View attachment "patch.diff" of type "text/x-patch" (773 bytes)