From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61DEDBE4F; Fri, 3 Jan 2025 05:57:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735883837; cv=none; b=iZFI0UzDrYkrToxuwBMnE3s6AxAXNdlKt6f1N9gFHPIsGYGV1GF7JQFTpL97ryDpaEwHkHSKotJjLaHGbDwK+oyq/oLtThPuJ1XOzxGOxCpeTeM/jVem0XHHEHZLq+1HJJKh8FUtv1JrkFuZcA3W8BQ8soHNb288ZUXB9D3Hrrs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735883837; c=relaxed/simple; bh=ahkJxGtysqPWgnOL67yhgSmmIjzKoeYD0h3gq1Efw8s=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=qjZHujU8EJbrI+2bPTDN1//ge5GnByQYQfZp0kot0CHrDc2upTqXVjxCieIJiHQujqyJY18scziqXAvLPwOiDzIxhTCUa2CKtg7pq8xcsAPVH/N1/qACLAr7ldOzfMgGmnogg1uNCJXGYWDqhdIewgyHCv3QmvCjH7Oy25l6XRw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=aQZpAR0m; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="aQZpAR0m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77287C4CECE; Fri, 3 Jan 2025 05:57:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1735883836; bh=ahkJxGtysqPWgnOL67yhgSmmIjzKoeYD0h3gq1Efw8s=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=aQZpAR0mwD+9uME8jJKLdIKsDsBBNx7RFftbrdOt2Z9ezUhGkaSxQYeWN3B5a5lXK swbw4eAbHvBcyBGp53eUADLv9enJyd7F1VABGcwP2T6kkfI7+ZcsM5B7c9YUKvQsve 5gOb9teUK9gxiG0ELqADgwYPpQaTpTwlUT6BuhO0= Date: Thu, 2 Jan 2025 21:57:14 -0800 From: Andrew Morton To: Andrew Cooper Cc: lorenzo.stoakes@oracle.com, anton.ivanov@cambridgegreys.com, bp@alien8.de, brendan.higgins@linux.dev, da.gomez@samsung.com, danielt@kernel.org, dave.hansen@linux.intel.com, davidgow@google.com, dianders@chromium.org, hpa@zytor.com, jason.wessel@windriver.com, jikos@kernel.org, joe.lawrence@redhat.com, johannes@sipsolutions.net, jpoimboe@kernel.org, kgdb-bugreport@lists.sourceforge.net, kirill.shutemov@linux.intel.com, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, live-patching@vger.kernel.org, luto@kernel.org, mark.rutland@arm.com, mbenes@suse.cz, mcgrof@kernel.org, mhiramat@kernel.org, mingo@redhat.com, peterz@infradead.org, petr.pavlu@suse.com, pmladek@suse.com, richard@nod.at, rmoar@google.com, rostedt@goodmis.org, rppt@kernel.org, samitolvanen@google.com, shuah@kernel.org, song@kernel.org, tglx@linutronix.de, x86@kernel.org, Juergen Gross , Marek =?ISO-8859-1?Q?Marczykowski-G=F3recki?= Subject: Re: [PATCH 6/8] modules: switch to execmem API for remapping as RW and restoring ROX Message-Id: <20250102215714.a37e828cf073ea6a14d30559@linux-foundation.org> In-Reply-To: References: <86eba318-464b-4b9b-a79e-64039b17be34@lucifer.local> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 3 Jan 2025 02:06:10 +0000 Andrew Cooper wrote: > > Hi Mike, > > > > This commit is making my intel box not boot in mm-unstable :>) I bisected it to > > this commit. > > For what it's worth, we've found the same under Xen too. > > There's one concrete bug in the series, failing to cope with the absence > of superpages (fix in > https://lore.kernel.org/xen-devel/6bb03333-74ca-4c2c-85a8-72549b85a5b4@suse.com/ > but not formally posted yet AFAICT). > > The rest of the thread then found a crash looking to be the same as > reported here, but you've made better progress narrowing it down than we > have. > Thanks. I removed this series from mm.git while this is worked on.