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Wed, 13 Mar 2024 20:05:27 -0700 (PDT) Received: from www.outflux.net ([198.0.35.241]) by smtp.gmail.com with ESMTPSA id ee12-20020a17090afc4c00b0029bc2b845c4sm368348pjb.11.2024.03.13.20.05.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Mar 2024 20:05:26 -0700 (PDT) Date: Wed, 13 Mar 2024 20:05:26 -0700 From: Kees Cook To: Muhammad Usama Anjum Cc: Eric Biederman , Shuah Khan , Mark Brown , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, "kernel@collabora.com" Subject: Re: [Test Failure Report] exec: Test failures in execveat Message-ID: <202403132004.84C9C50A5@keescook> References: <02c8bf8e-1934-44ab-a886-e065b37366a7@collabora.com> <202403051256.7A50FE28E7@keescook> <202403071238.AC7BD90@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 80A99C000A X-Rspam-User: X-Stat-Signature: fnb3f5zmrupnsjwkaqfwscwou78jccpb X-Rspamd-Server: rspam03 X-HE-Tag: 1710385528-220036 X-HE-Meta: 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 LfbollpR 9DuSYEJ/G8hOcfyNIK6Gx2CzLVac84HtB7+xdzA2Oi7PKesvP+poY76yJEM0dWm6yfQTPYtVNzrolrlThFaHy4ryLgweF1PMPHzsrtrPANwXXDD0T/w079Cjr5g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.362343, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 11, 2024 at 10:08:36PM +0500, Muhammad Usama Anjum wrote: > On 3/8/24 1:39 AM, Kees Cook wrote: > > On Thu, Mar 07, 2024 at 02:22:27PM +0500, Muhammad Usama Anjum wrote: > >> I've tested this patch. Still getting same failures. > > > > Okay, thanks for testing! > > > > What environment are you testing under? It would seem like some unexpected > > userspace conditions exist that the test isn't prepared for. (I was able > > to reproduce one error with /bin/dash, for example, but not the others, > > so something must be different in the set up.) > I'm testing on Debian Bookworm with v6.1, v6.7 and next-20240304 kernels. > I've tested it on another VM which is also Debian Bookworm. The default > shell is dash on Debian as well. Do you know which kernel version this _passes_ on? I haven't been able to find when this actually returned the expected values... -- Kees Cook