From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f52.google.com (mail-oo1-f52.google.com [209.85.161.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35EF6395 for ; Mon, 3 Jul 2023 04:53:17 +0000 (UTC) Received: by mail-oo1-f52.google.com with SMTP id 006d021491bc7-5636426c1b3so2596193eaf.1 for ; Sun, 02 Jul 2023 21:53:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1688359997; x=1690951997; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=/ztHbORa6Mv8J6IM+MDUzcFkUhEhfmIOo7sS9A86ffo=; b=bndAJq8A+Vdp6wNh0ejKVvhR7zVmwOHNfwohtrVdLksPIO4CwkFVT83qAMiL1662Ff W1Wn7d0NaZOKS6JdRTimOOi2xjzpOYA2PO8BWhfqGe2DDmcayrF/pqbkK34WlVPe/NaS w3Gt9bdcu3pTM4h23U50CvdU2M7FSMd6BGly8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688359997; x=1690951997; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=/ztHbORa6Mv8J6IM+MDUzcFkUhEhfmIOo7sS9A86ffo=; b=iuej81I+N5cSZyT+h9Xu9HyDKMA3tffN5ZY2KVYjwB4VVDk85tuhtwxVKOvScRyvXv NHgccGyc3+mrYDphMP1mIGdv3MuwrulxLMAxgsGtXRfuqpTtb9BL8VMdRo9V2KEk+26i c0vk/R5sRJyDr8g9SU4vGBX2qFXRaUuBrc9D5UEewRz6Wd+NED3zHpjykp3LQbqLnkQ4 kL3A3dRJcRcDGFPvAUkP4xhsqsf3X8C9ByGe8kBQl0NRn9QktdLU8OnlLgokqFIIZcmy suAmPb6xYuc3Z4e5JNWQjEqKtvEiRb8iqgmAxR4h5mZbG4pdBvoQ0L8AV1o1XEZTrS8E dc0g== X-Gm-Message-State: AC+VfDx9Rn/1eNhh7kluvdxxKn8JbMwuaoB/XH+pYKhvuLv8LMOnjMTL UK0HANC5fgRxgnaVYeXJsUZpHw== X-Google-Smtp-Source: ACHHUZ7frFA8N23p+9rckOQ2Uzl4tXWNGv/mBpEPOwT7VbmXLV6tzXelYqcHMmi9PpujsklDvtGaJw== X-Received: by 2002:a05:6808:35a:b0:3a1:dd99:8158 with SMTP id j26-20020a056808035a00b003a1dd998158mr8884961oie.6.1688359997213; Sun, 02 Jul 2023 21:53:17 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id gf4-20020a17090ac7c400b00256dff5f8e3sm14230044pjb.49.2023.07.02.21.53.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Jul 2023 21:53:16 -0700 (PDT) Date: Sun, 2 Jul 2023 21:53:16 -0700 From: Kees Cook To: Guenter Roeck Cc: Mirsad Goran Todorovac , Bagas Sanjaya , Linux Kernel Mailing List , Linux LLVM , linux-kbuild@vger.kernel.org, Linux Regressions , Nathan Chancellor , Nick Desaulniers Subject: Re: [CRASH][BISECTED] 6.4.1 crash in boot Message-ID: <202307022151.105BC33@keescook> References: <9a8e34ad-8a8b-3830-4878-3c2c82e69dd9@alu.unizg.hr> <202307022018.B26F5795@keescook> <625e951e-9922-d15d-5520-e8cd5eba1995@roeck-us.net> <4ea9488c-0f98-89b4-7af3-174cfcdaa02c@alu.unizg.hr> <202307022115.D96AB033F@keescook> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Jul 02, 2023 at 09:38:50PM -0700, Guenter Roeck wrote: > On 7/2/23 21:30, Kees Cook wrote: > > I don't understand what tree you're testing. 2d47c6956ab3 is only in > > Linus's latest tree, which is not 6.4-rc2. > > > > Maybe this ? > > $ git checkout -b testing 2d47c6956ab3 > Updating files: 100% (15501/15501), done. > Switched to a new branch 'testing' > groeck@server:~/src/linux-staging$ git describe > v6.4-rc2-1-g2d47c6956ab3 Oh, it's the bisection position -- 2d47c6956ab3 was based on v6.4-rc2. Got it. Thank you! -Kees -- Kees Cook