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[209.85.208.181]) by smtp.gmail.com with ESMTPSA id f13sm379829lfj.54.2021.09.05.10.17.53 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Sep 2021 10:17:54 -0700 (PDT) Received: by mail-lj1-f181.google.com with SMTP id j12so7103511ljg.10 for ; Sun, 05 Sep 2021 10:17:53 -0700 (PDT) X-Received: by 2002:a2e:a7d0:: with SMTP id x16mr7195539ljp.494.1630862262563; Sun, 05 Sep 2021 10:17:42 -0700 (PDT) MIME-Version: 1.0 References: <20210816194840.42769-1-david@redhat.com> <20210816194840.42769-2-david@redhat.com> <20210905153229.GA3019909@roeck-us.net> In-Reply-To: <20210905153229.GA3019909@roeck-us.net> From: Linus Torvalds Date: Sun, 5 Sep 2021 10:17:26 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 1/7] binfmt: don't use MAP_DENYWRITE when loading shared libraries via uselib() To: Guenter Roeck Cc: David Hildenbrand , 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 Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 8CEC6100009E Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b="gK/q/jXj"; dmarc=none; spf=pass (imf07.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.208.178 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org X-Rspamd-Server: rspam01 X-Stat-Signature: dc5kfcmwfkegpu3s3sg7utuzrnptwees X-HE-Tag: 1630862277-476169 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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. Only alpha and m68k left, I think. I applied the obvious patch from Geert. Linus