From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 67DF63BFAC0; Tue, 15 Sep 2026 12:02:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789473743; cv=none; b=OLDXon3UDT/wLfRKYwOpUib94ELcq1gpCrOMZ0krlTtgJovkPUMlP3CR9y+QGF/kVW/yU5sRCqPGOonTO7rE36L7Hd81xdVgbcPsc5CV7A+ObaUSVjpKYt7FCJaBnt5IuZhbjCj8AkP9Ry4FC71rgA2V+6669aOkEbcRUnKU9tU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789473743; c=relaxed/simple; bh=qcYOVYEeSBwNAHSV3oGOxIoOYP16KGnVjnu+hbqVsEY=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=eU0S6EVuTSiM1Ola574niElIIw8R2dSRZG2UUFsC2eS8wpfybdmidOPThG7k60b08rcZLvy2MCZETu+rpGeTfKfQChErbFq4Ov3evgrCzz/zhZvO8pWkFTLSDAqSzWKnZbk2VCOmzEVCgCBMQZN+pTlpGNNAv5bLZlIJmPAAe+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f/BEG6N0; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f/BEG6N0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B2CE1F000FF; Tue, 15 Sep 2026 12:02:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789473742; bh=qcYOVYEeSBwNAHSV3oGOxIoOYP16KGnVjnu+hbqVsEY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=f/BEG6N0RGxUq5W/HXCadDNiWy6mZwl9CV9CowG89trZuBhbvX/vWsAwHcKt0jPgW SJ2ml9rORw02KpW+BBtA/RAwgHeaOMkDEM/bw2FOM3cvOGpK4o5aTZomhO8RUcQ5S/ HUGzy85d+v2Rl885i1mtVPRNCYfGq7VMLkzir6Qo74z8OfaWUxRKM2kqLaxvoO35hD g2OjURXxrNOf5LxE5EULxkvtM4dwb4/ru0HDhvJo0tuYkl76FUzGi2h5pCD/fdlSaR IpwMuTLI+Jg1YfgtVCyH+xGpSt50Q2kgFNlZVyEcwXh9ZMIlgJii4H6dAqtEZuqtWP 6++8DIfAg5DTg== From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC POC 20/50] file: warn when the descriptor table is unshared with slots Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" , "Linus Torvalds" Cc: bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-csky@vger.kernel.org, "Alexander Viro" , dri-devel@lists.freedesktop.org, "Jan Kara" , "Jens Axboe" , "Michael S. Tsirkin" , "Jann Horn" , kexec@lists.infradead.org, "Eugenio Perez" , linux-mm@kvack.org, linux-hyperv@vger.kernel.org, linux-mips@vger.kernel.org, linux-hexagon@vger.kernel.org, "Peter Zijlstra" , virtualization@lists.linux.dev, linux-snps-arc@lists.infradead.org, sparclinux@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, io-uring@vger.kernel.org, "Oleg Nesterov" , linux-parisc@vger.kernel.org, kvm@vger.kernel.org, linux-sh@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, =?utf-8?b?Q2hyaXN0aWFuIEJyYXVuZXIgKEFtdXRhYmxlKQ==?= , "Ingo Molnar" , linux-openrisc@vger.kernel.org, linux-um@lists.infradead.org, "David Airlie" In-Reply-To: <20260915-work-fd-reserve-unify-folded-v1-20-4d5217d6b246@kernel.org> References: <20260915-work-fd-reserve-unify-folded-v1-0-4d5217d6b246@kernel.org> <20260915-work-fd-reserve-unify-folded-v1-20-4d5217d6b246@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 15 Sep 2026 12:02:19 +0000 Message-Id: <20260915120220.2B2CE1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > If the fdtable is unshared or the task exits we can't install > reservations. The reserved fd isn't reserved anymore. execve() would > leak the reservation into the child. >=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=3D20