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Tue, 12 Mar 2024 22:23:43 -0700 (PDT) Received: from www.outflux.net ([198.0.35.241]) by smtp.gmail.com with ESMTPSA id a5-20020a170902ecc500b001db5bdd5e33sm2169948plh.48.2024.03.12.22.23.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Mar 2024 22:23:43 -0700 (PDT) Date: Tue, 12 Mar 2024 22:23:42 -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: <202403122219.F96418D@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-Stat-Signature: azi7xxdmyherx7sznwa7minmjo6onods X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 336EE1C0007 X-Rspam-User: X-HE-Tag: 1710307424-375759 X-HE-Meta: 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 5A8yJBe9 /k/wqebstEMnHE15aGcHs+Aa82afV2fRTe9FcuIzmDd3HUcl6t84JfiacOKhIOdPjijM1JGDD/C9ryA0WygmrZ9Jh3DVE0kbWh3RNiExQTDcszxrYPOkoyerd2Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.035113, 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. Thanks! Okay, I can reproduce these failures now under a Bookworm install. I'll keep investigating... -- Kees Cook