From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793906997; b=Qw5wOQ/kcSv9dANOZ48H7kUe3j1sEqf9sW8UCC+jzShQIr6Iq/WRYK9yAV5oCBIGYidJ hi8UJX1ZG+o4ggIpTI0H1UcuBN/sQY573JwRsykz2OCutq+9i1/1orcppkTwl/O91IRPE SCZAVG9XuxuG/KDT322ZcBarcI87Uj7SttkIxgKogsv6AS5DcCNarC93CFyHUD8XDGAVd o6pdAg/HOJINpXNH9J3HJB4nX1gR5CkQRx6V/L2/1Fe+BB0oBZD1EC2FA8zZbdDplHN5d NZ2KSN0XKZV7H8lRzf9P6sZAz8IXsIQxM4aF76LHjFGEC0ZicBACEJ8MjdT+6RQwSGA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793906997; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=zcV+i6POJg+RrsF6YRGTS13AdWK24kXKpMKXUTzyEiA=; b=OFFnrDprIY87Ln0zwhKf8OPKEhRwDUMrI50F4A5Mmc0hSlgm+SJ4KiltQQ4afcZg3Bxx dVsmtbF+zxlnvo9nhZjQJb7vDqm5eSoTlWrvVw+etPRSf00RdLYXFSxQt9bWJX4BALgiF xpTpad5axxkSeTP3cVy/17QRGuWxjfItxuzTOmlTXdF1FBzbmBkV7etNTcPomk2Ti4f0R 4EJY0dSvy67qOz3eSYQzsBC7yM4gra5ZiJdwbZCdpxPHVYc9RVD2rqzkX2fWVeq3bREEl M+/HTcd1oxY32TBRpYaFjaTYqns7euDhi/PE1QpcOuJkee9hnv9FJ425UAygzAweKWw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=hkIp2rMW; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64BDC608363F; Thu, 5 Nov 2026 19:29:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=hkIp2rMW Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5E721F00A1A; Thu, 5 Nov 2026 19:29:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793906996; bh=zcV+i6POJg+RrsF6YRGTS13AdWK24kXKpMKXUTzyEiA=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=hkIp2rMWDRL8aX8FKreCHiJ+F7j4BKfzXmJc6PZ0eOL44V9Bx9anECeImDIf3eWQZ CQsJtA+hT+ZN+BsjMDC+4Myk7YdWXtDiWz3ec+ntbhm3ExMby94rd/l77DkKdkzhbp M8ZtpbEVGaVz0Fx3Tr1w0TZ9yJ69+1Fn6/egkNAAHbcoKwUUjIp8R30wCoxDFTv9XV Mj2kudWFsx5lEkvVc1J1kV40ftb635ECGnH4cjLmWAO2ghIVDG6bpdIpREJUYlfZPR qAFtvcqf+3EGNnSIARNIkc7P/WD2CkFmNpfiuMmYjjTmUT9PU8swjMoXDeK1ufevJ/ yOPbsNDq5GkUw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RESEND v2 33/51] selftests/proc: check a /proc listing while entries come and go Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261104-work-procfs-bugfixes-v2-33-021c84d852e0@kernel.org> References: <20261104-work-procfs-bugfixes-v2-0-021c84d852e0@kernel.org> <20261104-work-procfs-bugfixes-v2-33-021c84d852e0@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 19:29:54 +0000 X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > List /proc/net/dev_snmp6 of a new network namespace while a tun device > comes and goes: >=20 > - with a buffer that holds the dots and "lo", add a device whose name > sorts first, finish the listing: "lo" is listed once >=20 > - with that device added and a buffer that holds the dots and it, > remove it, finish the listing: "lo" is still listed >=20 > - with that device added, stall getdents64() on a userfaultfd page > while it writes the device's entry, remove the device, finish the > listing: "lo" is still listed >=20 > All three fail without the fix, the first lists "lo" twice, the other > two not at all. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261104-work-procf= s-bugfixes-v2-0-021c84d852e0@kernel.org?part=3D33