From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (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 C44CF191F91; Mon, 17 Nov 2025 22:04:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763417067; cv=none; b=BymgiJ6tc5WZ/ld9RE1XLQsXxiDhF3DsJQ7YlyD5g59DyfLaNP3MZArY/dkrKm5VAcBMct70P6k38uEH8oAprWg27rjQBWCmGJJxpm6c/f/A3xR7E+aVR3hV/bnr7+3LXyGQXZ6XNZFo7K0wwE3pzgGPX8Niez3/wmEojBj5kGY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763417067; c=relaxed/simple; bh=OWk69CcgDplGRjwOx6Tl5yDcCY20HqQfCP8TDdquZeE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KkkyrWqB05OiBq0gYebHBRImejhyxOtY49+ACeRXETE0QLCop2Zb/xubTC8SwTun3HyFMEikzvrp4L9BZUo1woJetSrIEagLMCob7I6H7nS/xs83bSArBvBZ0XP83tv0zdRWL5TTz66ddlmtDle/0KxF9CDdPjPhS7JkwM7Dv/k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=bommFxq7; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="bommFxq7" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=x4vYLxHITOk7FY5Vha316u1XPKmx4CmxosD+41s+PrI=; b=bommFxq7sliAeyjvLPQEoXoIVd pKa5o1Yb4IZq/+Xwuf716utrTFwG+e1EsNxYWcpzPTbdpHRsyC+gnwvbW2CxCuCIULA7mQDMxwK5/ AD9OstpSMVU2Lx+nYqPNClApquHbL/pPqjnm6CSLnpit0oArJLDk/9tAqD/lIMvZ5qr2Fe2hFo0DW O1QvQUtGp8okxdB0iNSpx11sF0WGBhQtqqPRzaeS3gnJrqxtzofIHkzHybBV0AkLPLWQ3z6hODug1 LIuAWXCkHx6YuL1QuzIbhbKRobQAT7Rzt9v5JNZjbJHnm8L2IAhzA7JyTKsGV5a7GQI7nzes/1y1g a0CeNx3Q==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vL7KZ-00000007Jyi-1gmT; Mon, 17 Nov 2025 22:04:15 +0000 Date: Mon, 17 Nov 2025 22:04:15 +0000 From: Al Viro To: Greg Kroah-Hartman Cc: bot+bpf-ci@kernel.org, linux-fsdevel@vger.kernel.org, torvalds@linux-foundation.org, brauner@kernel.org, jack@suse.cz, raven@themaw.net, miklos@szeredi.hu, neil@brown.name, a.hindborg@kernel.org, linux-mm@kvack.org, linux-efi@vger.kernel.org, ocfs2-devel@lists.linux.dev, kees@kernel.org, rostedt@goodmis.org, linux-usb@vger.kernel.org, paul@paul-moore.com, casey@schaufler-ca.com, linuxppc-dev@lists.ozlabs.org, john.johansen@canonical.com, selinux@vger.kernel.org, borntraeger@linux.ibm.com, bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, martin.lau@kernel.org, eddyz87@gmail.com, yonghong.song@linux.dev, ihor.solodrai@linux.dev, Chris Mason Subject: Re: [functionfs] mainline UAF (was Re: [PATCH v3 36/50] functionfs: switch to simple_remove_by_name()) Message-ID: <20251117220415.GB2441659@ZenIV> References: <20251111065520.2847791-37-viro@zeniv.linux.org.uk> <20754dba9be498daeda5fe856e7276c9c91c271999320ae32331adb25a47cd4f@mail.kernel.org> <20251111092244.GS2441659@ZenIV> <20251113092636.GX2441659@ZenIV> <2025111316-cornfield-sphinx-ba89@gregkh> <20251114074614.GY2441659@ZenIV> <2025111555-spoon-backslid-8d1f@gregkh> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025111555-spoon-backslid-8d1f@gregkh> Sender: Al Viro On Sat, Nov 15, 2025 at 08:21:34AM -0500, Greg Kroah-Hartman wrote: > Ugh, messy. But yes, this does look better, thanks for that. Want me > to take it through the USB tree, or will you take it through one of > yours? (I don't remember what started this thread...) See #work.functionfs in my tree - that patch carved up + fix for UAF on uncancelled scheduled work. Individual patches in followups. If you have problems with that series, please say so. Otherwise I'm merging it with #work.persistence (with #36 in there updated as posted)...