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[91.12.111.4]) by smtp.gmail.com with ESMTPSA id i20sm5300193wml.37.2021.09.05.12.07.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Sep 2021 12:07:51 -0700 (PDT) Subject: Re: [PATCH v2 1/7] binfmt: don't use MAP_DENYWRITE when loading shared libraries via uselib() To: Linus Torvalds , Guenter Roeck Cc: Linux Kernel Mailing List , Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Alexander Viro , Alexey Dobriyan , Steven Rostedt , Peter Zijlstra , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Petr Mladek , Sergey Senozhatsky , Andy Shevchenko , Rasmus Villemoes , Kees Cook , "Eric W. Biederman" , Greg Ungerer , Geert Uytterhoeven , Mike Rapoport , Vlastimil Babka , Vincenzo Frascino , Chinwen Chang , Catalin Marinas , "Matthew Wilcox (Oracle)" , Huang Ying , Jann Horn , Feng Tang , Kevin Brodsky , Michael Ellerman , Shawn Anastasio , Steven Price , Nicholas Piggin , Christian Brauner , Jens Axboe , Gabriel Krisman Bertazi , Peter Xu , Suren Baghdasaryan , Shakeel Butt , Marco Elver , Daniel Jordan , Nicolas Viennot , Thomas Cedeno , Michal Hocko , Miklos Szeredi , Chengguang Xu , =?UTF-8?Q?Christian_K=c3=b6nig?= , Florian Weimer , David Laight , linux-unionfs@vger.kernel.org, Linux API , the arch/x86 maintainers , linux-fsdevel , Linux-MM References: <20210816194840.42769-1-david@redhat.com> <20210816194840.42769-2-david@redhat.com> <20210905153229.GA3019909@roeck-us.net> From: David Hildenbrand Organization: Red Hat Message-ID: <77b36c45-773b-3cb8-fa18-45f0914c3090@redhat.com> Date: Sun, 5 Sep 2021 21:07:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05.09.21 19:17, Linus Torvalds wrote: > On Sun, Sep 5, 2021 at 8:32 AM Guenter Roeck wrote: >> >> Guess someone didn't care compile testing their code. This is now in >> mainline. > > To be fair, a.out is disabled pretty much on all relevant platforms these days. Yes, and it seems like it was disabled in all configs I used. (I did not compile all-yes configs; usually my stuff goes via -mm where it will end up in -next for a while ... this one was special) > > Only alpha and m68k left, I think. > > I applied the obvious patch from Geert. Thanks Linus! -- Thanks, David / dhildenb