From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ACBF1CA1005 for ; Tue, 2 Sep 2025 21:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:Subject:References:In-Reply-To:Message-Id:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Mw8Cn4/OCWn4lPhhW5QgwqsK4SmxabwHi0TRYO6VF1s=; b=rVU/lIh4ufng73WpIY4wDViiYu wuJegeXKT/2SKbVi11qdMtkJqJNyVspA5oabET2kw1h26KOaFdcbKVViO5Rfll2Hual8f1sP/OVEw TpzXv/VrU2fOcmjOhP2d2GLdaTtIqspF4a+LQr1s1F3cKc8BrRsErMuAV4yHcH6MDglMfcEr/MiZD KYMQTxWFwzClNT9rRnwpcXL6H66bSnvwnC1bF2sSI/XELn2NAMlpifuPmRd/CUGQh/sh2hXYmGOVw BDXSrs5rL+u0/CDZJZbjp5wobOhjk1GPpAk0TGDHu3eJqSrqoe1G7Z8n2n7MDrVBZCks0pASR+6gg /kcaoNMQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1utYlr-00000002ACa-1xbf; Tue, 02 Sep 2025 21:42:31 +0000 Received: from flow-b2-smtp.messagingengine.com ([202.12.124.137]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ut4S1-0000000CfHz-21A9; Mon, 01 Sep 2025 13:20:02 +0000 Received: from phl-compute-05.internal (phl-compute-05.internal [10.202.2.45]) by mailflow.stl.internal (Postfix) with ESMTP id A6FC21300863; Mon, 1 Sep 2025 09:19:56 -0400 (EDT) Received: from phl-imap-02 ([10.202.2.81]) by phl-compute-05.internal (MEProxy); Mon, 01 Sep 2025 09:19:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1756732796; x=1756739996; bh=Mw8Cn4/OCWn4lPhhW5QgwqsK4SmxabwHi0TRYO6VF1s=; b= tLTVNY7szoigfD1bdhldSITh7Kox+Ycn17T1yGQFuN7jiGG9Sp2E3OoIEgt4BlYR rNhkEYaaTwW9AY8m/x59u8SKCEV8qlVaBwXQvzGnzQoPzBL4TjVy5CdpcL+u+JqB KmJ3jHWtf+GNS20ntReqncPg5QMylzMw0aOyUz8qs6cq7e90TqtTjq8VaJiUu84j 0Hbrt3spucncVfrk667VYr7pw5WfvWM/7x1uij9C9tbA0VlIJi04Xfi/PwUtHZjH tp2QLWr1i5c0AXIenHSE0ClgWTuzdKOBvYNRbC8MWhIAWUeC6kCgPRh8m9F4uMyi KzWTcNLbW1JaPQ2Aw11NKg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1756732796; x= 1756739996; bh=Mw8Cn4/OCWn4lPhhW5QgwqsK4SmxabwHi0TRYO6VF1s=; b=I zqfGdUJTZYsd9+VQGEkI1q4f285SfJOyQUijCL8E0cG2BY7oScLcaHaB4U4dSd6C amMI/0oCv9Bb0UfFnGfGYioT9dMJyeughesxg0Wy1rdEh8SQOGdyCUffECW6u3Ik 7Yt199ahGI90eOSQbbYW4SeXGJc3EXxwFehYo9jcgKLtOkWvo9SKPtZekLd+KcYs Z/Fffj6kergS+JKtkBMxaKu8MQZtZradNzWqlU+a2WBOqFRrht0dAWPgSu3etycz k7O/f+D6scJuUcbaLBYenYfBxURlHHBUlfglvq526uItPCjL8pAUcIHJOR7e07hM zb1rPxkwOSlF3dLiDllTQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdduledvvdeiucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepofggfffhvfevkfgjfhfutgfgsehtjeertdertddtnecuhfhrohhmpedftehrnhgu uceuvghrghhmrghnnhdfuceorghrnhgusegrrhhnuggsrdguvgeqnecuggftrfgrthhtvg hrnhephfdthfdvtdefhedukeetgefggffhjeeggeetfefggfevudegudevledvkefhvdei necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprghrnh gusegrrhhnuggsrdguvgdpnhgspghrtghpthhtohephedtpdhmohguvgepshhmthhpohhu thdprhgtphhtthhopehvghhuphhtrgeskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepfi hilhhlsehkvghrnhgvlhdrohhrghdprhgtphhtthhopeigkeeisehkvghrnhgvlhdrohhr ghdprhgtphhtthhopehlihhnuhigqdhmmheskhhvrggtkhdrohhrghdprhgtphhtthhope gurghlihgrsheslhhisggtrdhorhhgpdhrtghpthhtoheprhhitghhrghrugdrhhgvnhgu vghrshhonheslhhinhgrrhhordhorhhgpdhrtghpthhtohepvhhinhgtvghnthdrghhuih htthhotheslhhinhgrrhhordhorhhgpdhrtghpthhtoheprghnnhgrqdhmrghrihgrsehl ihhnuhhtrhhonhhigidruggvpdhrtghpthhtohepthhglhigsehlihhnuhhtrhhonhhigi druggv X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 76793700065; Mon, 1 Sep 2025 09:19:51 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: AngmsHLdt4H3 Date: Mon, 01 Sep 2025 15:19:31 +0200 From: "Arnd Bergmann" To: "schuster.simon@siemens-energy.com" , "Dinh Nguyen" , "Christian Brauner" , "Andrew Morton" , "David Hildenbrand" , "Lorenzo Stoakes" , "Liam R. Howlett" , "Vlastimil Babka" , "Mike Rapoport" , "Suren Baghdasaryan" , "Michal Hocko" , "Ingo Molnar" , "Peter Zijlstra" , "Juri Lelli" , "Vincent Guittot" , "Dietmar Eggemann" , "Steven Rostedt" , "Benjamin Segall" , "Mel Gorman" , "Valentin Schneider" , "Kees Cook" , "Paul Walmsley" , "Palmer Dabbelt" , "Albert Ou" , "Alexandre Ghiti" , guoren , "Oleg Nesterov" , "Jens Axboe" , "Alexander Viro" , "Jan Kara" , "Tejun Heo" , "Johannes Weiner" , =?UTF-8?Q?Michal_Koutn=C3=BD?= , "Paul Moore" , "Serge Hallyn" , "James Morris" , "Serge E. Hallyn" , "Anna-Maria Gleixner" , "Frederic Weisbecker" , "Thomas Gleixner" , "Masami Hiramatsu" , "David S . Miller" , "Eric Dumazet" , "Jakub Kicinski" , "Paolo Abeni" , "Simon Horman" , "Mathieu Desnoyers" , "Arnaldo Carvalho de Melo" , "Namhyung Kim" , "Mark Rutland" , "Alexander Shishkin" , "Jiri Olsa" , "Ian Rogers" , "Adrian Hunter" , "John Johansen" , "Stephen Smalley" , "Ondrej Mosnacek" , "Kentaro Takeda" , "Tetsuo Handa" , "Richard Henderson" , "Matt Turner" , "Vineet Gupta" , "Russell King" , "Catalin Marinas" , "Will Deacon" , "Brian Cain" , "Huacai Chen" , "WANG Xuerui" , "Geert Uytterhoeven" , "Michal Simek" , "Thomas Bogendoerfer" , "Jonas Bonn" , "Stefan Kristiansson" , "Stafford Horne" , "James E . J . Bottomley" , "Helge Deller" , "Madhavan Srinivasan" , "Michael Ellerman" , "Nicholas Piggin" , "Christophe Leroy" , "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" , "Sven Schnelle" , "Yoshinori Sato" , "Rich Felker" , "John Paul Adrian Glaubitz" , "Andreas Larsson" , "Richard Weinberger" , "Anton Ivanov" , "Johannes Berg" , "Borislav Petkov" , "Dave Hansen" , x86@kernel.org, "H. Peter Anvin" , "Chris Zankel" , "Max Filippov" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, "linux-csky@vger.kernel.org" , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, linux-security-module@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Netdev , linux-perf-users@vger.kernel.org, apparmor@lists.ubuntu.com, selinux@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, "linux-openrisc@vger.kernel.org" , linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, stable@vger.kernel.org Message-Id: <13f8ca46-92f0-47bb-a046-165402122a44@app.fastmail.com> In-Reply-To: <20250901-nios2-implement-clone3-v2-1-53fcf5577d57@siemens-energy.com> References: <20250901-nios2-implement-clone3-v2-0-53fcf5577d57@siemens-energy.com> <20250901-nios2-implement-clone3-v2-1-53fcf5577d57@siemens-energy.com> Subject: Re: [PATCH v2 1/4] copy_sighand: Handle architectures where sizeof(unsigned long) < sizeof(u64) Content-Type: text/plain Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250901_062001_663254_1D441ADC X-CRM114-Status: UNSURE ( 8.17 ) X-CRM114-Notice: Please train this message. X-Mailman-Approved-At: Tue, 02 Sep 2025 11:45:36 -0700 X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Mon, Sep 1, 2025, at 15:09, Simon Schuster via B4 Relay wrote: > This commit fixes the bug by always passing clone_flags to copy_sighand > via their declared u64 type, invariant of architecture-dependent integer > sizes. > > Fixes: b612e5df4587 ("clone3: add CLONE_CLEAR_SIGHAND") > Cc: stable@vger.kernel.org # linux-5.5+ > Signed-off-by: Simon Schuster > Reviewed-by: Lorenzo Stoakes Reviewed-by: Arnd Bergmann