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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vgY5WW8BnNwTFkr1CqGzVVAn8dfzoBhj2Ep9OZzZPeg1xHu6mF1vh8NeQ5gnPaCUI hehogcf50XcUOoYsd7JVzTDcRwav8kb7J9bp0D7+WA2rBQFS9kfIV8oVTYMHRK1dX3 oaScTMoGOaQPuIDGSoELlIlMUyEt/lZG+FvX81p4= Date: Mon, 17 Nov 2025 21:35:35 -0500 From: Greg Kroah-Hartman To: Al Viro 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: <2025111717-showgirl-suspend-2f8d@gregkh> 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> <20251117220415.GB2441659@ZenIV> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251117220415.GB2441659@ZenIV> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: EE0D4140004 X-Stat-Signature: i79a5qgoyq9r989qfnx8z31pu1g9db39 X-Rspam-User: X-HE-Tag: 1763433338-166387 X-HE-Meta: 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 kP3bD/t1 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Nov 17, 2025 at 10:04:15PM +0000, Al Viro wrote: > 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)... All looks good to me, thanks! If it matters: Reviewed-by: Greg Kroah-Hartman