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 29CD7C982C4 for ; Tue, 15 Sep 2026 11:48:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:MIME-Version:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+hCyRfdYxaDHjUjrbC2f1l+hk2nsMICX165AMlBJOFw=; b=BCngrJMx1LjQATfV9/JfNmtXfT rDPw5qMfGjacwrJN8P1xMdBbkJmmGtUCwy2TYZUfZobQugEr3hdVAa0JYRNyJ7QlDacfZLwJOfSm2 q1ekVlhwR6T1ef4mu8J0VlCGKLSuARIy82jshStRGtaymaluOUp8Q0I2GjgHz88SLsT9DQWqpjcIc KcnHlhNI2kG6MO/ZYEcRuZjmuiXWqTDk7iAJh7I+Ag+Fokqgn9MuyyfqEjp9tmRXWHvA0tUAOAHyv p9C7um7MfpQnarEtYQ2rK9LUdR6y5SmvRaBWPw+gT6KEtIVfxU/fNNOLQiEvnIQnEW7cZe1wK/GLo DXgGAr1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6Re1-00000006HvQ-434X; Tue, 15 Sep 2026 11:48:13 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6Re0-00000006HuS-33xv; Tue, 15 Sep 2026 11:48:12 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 7623741342; Tue, 15 Sep 2026 11:48:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 973821F000FF; Tue, 15 Sep 2026 11:48:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789472892; bh=+hCyRfdYxaDHjUjrbC2f1l+hk2nsMICX165AMlBJOFw=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=XT+DfR2fI9lSDVHTRxc8fxOJ84VdAucgEp1D7Rsg22J1SRRtMEiE19TvXZrbO4lIZ TxJ/l2gehvn5l2kdO5dHi1/HiNiTrodHb341ROtDKEQB4TK5qE077C+sr6m2ZRGq1A YhT5vOmSLIZn+aB2D2xVS3UmQD+O73OuHKWdb/9Q6SJtudR7Vr4EWHcVJIUSGq4wWb EwguAAzu7/EG5DnE1SXHjXkeQUDSQ1mouWrUTfOdgFhzkd3ZU0wbFF/c3Yr6mjzm+T iHVYaDYddqfXs43IVkcTAt+29bmm0zSxlyvXzfaYtnXgwc/VcrMwi/snt2mFoFeFgS xEBfPHquaOhWw== From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC POC 06/50] arm64: commit fds on syscall exit To: "Linus Torvalds" , "Christian Brauner" Cc: "David Airlie" , linux-parisc@vger.kernel.org, virtualization@lists.linux.dev, linux-mips@vger.kernel.org, "Oleg Nesterov" , dri-devel@lists.freedesktop.org, "Jens Axboe" , linux-um@lists.infradead.org, =?utf-8?b?Q2hyaXN0aWFuIEJyYXVuZXIgKEFtdXRhYmxlKQ==?= , "Eugenio Perez" , linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, "Alexander Viro" , linux-fsdevel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org, linux-csky@vger.kernel.org, linux-sh@vger.kernel.org, "Peter Zijlstra" , linux-snps-arc@lists.infradead.org, kexec@lists.infradead.org, "Ingo Molnar" , io-uring@vger.kernel.org, kvm@vger.kernel.org, linux-hexagon@vger.kernel.org, bpf@vger.kernel.org, "Michael S. Tsirkin" , linuxppc-dev@lists.ozlabs.org, linux-m68k@lists.linux-m68k.org, linux-alpha@vger.kernel.org, linux-mm@kvack.org, linux-gpio@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-openrisc@vger.kernel.org, "Jann Horn" , "Jan Kara" In-Reply-To: <20260915-work-fd-reserve-unify-folded-v1-6-4d5217d6b246@kernel.org> References: <20260915-work-fd-reserve-unify-folded-v1-0-4d5217d6b246@kernel.org> <20260915-work-fd-reserve-unify-folded-v1-6-4d5217d6b246@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 15 Sep 2026 11:48:10 +0000 Message-Id: <20260915114810.973821F000FF@smtp.kernel.org> X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org > Add TIF_FD_SLOTS to the syscall work bits. el0_svc_common() rereads > the flags after the system call and takes the trace exit for any of > them. So a task that reserved descriptors ends up in > syscall_trace_exit() which commits them before audit and the ptrace exit > stop. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260915-work-fd-re= serve-unify-folded-v1-0-4d5217d6b246@kernel.org?part=3D6