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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id j15sm10626572pfj.102.2022.01.28.11.56.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jan 2022 11:56:45 -0800 (PST) Date: Fri, 28 Jan 2022 11:56:44 -0800 From: Kees Cook To: Akira Kawata Cc: akpm@linux-foundation.org, adobriyan@gmail.com, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, lukas.bulwahn@gmail.com, kernel test robot , Eric Biederman , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 1/2] fs/binfmt_elf: Fix AT_PHDR for unusual ELF files Message-ID: <202201281146.C8BC042C6@keescook> References: <20211212232414.1402199-1-akirakawata1@gmail.com> <20211212232414.1402199-2-akirakawata1@gmail.com> <202201261955.F86F391@keescook> <20220127125643.cifk2ihnbnxo5wcl@gmail.com> <202201270816.5030A2A4B5@keescook> <20220128111034.jf3i4arhahfwwd6n@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220128111034.jf3i4arhahfwwd6n@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 28, 2022 at 08:10:34PM +0900, Akira Kawata wrote: > On Thu, Jan 27, 2022 at 08:23:51AM -0800, Kees Cook wrote: > > And now I'm thinking about the excellent ELF loading analysis at: > > https://nathanotterness.com/2021/10/tiny_elf_modernized.html > > > > ;) > > I think you have interested in https://shinh.skr.jp/obf/bingolf.html > also. Ah, nice! The 104b one great. :) -- Kees Cook