From patchwork Mon Mar 17 11:24:57 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 14019086 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9F4021A436 for ; Mon, 17 Mar 2025 11:25:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742210713; cv=none; b=Rppd0IaXFx3kvhXzdNaJDhQKtB5A1I1Yb6glZY1LglOR9eumvKovGdTpkS+6vvtS7ruTCe9IJK5MdlEbfIbTmGmZXwroweLh+01LBmeNfXbe+RWBHVFP58X/M3CRJzUsNdYHy/AuQaf+TEPtDptxtZrpVcTVoMuftuaUO0IVONM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742210713; c=relaxed/simple; bh=fF6JGNjxMkaadROCzSwC6WbM/fCiRwmpGWNQvbXjheY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=NC3CxqAmdEeWMmB1/CpzDxwRLy2xOcTTN62fhAQZ8rG0NuKJb+k008L7CwQRq0sn7M9TtkfHW9cEItuLmyUwkOo/WpVtIsoiDhqRS4B/4f1UM+Y26PefHwNhPAr9y8qQsvp1xVFS9SlxTalcIRGpTcowI6046cwEmbrGce81UX8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-43d0359b1fcso12350235e9.0 for ; Mon, 17 Mar 2025 04:25:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742210710; x=1742815510; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=BN/CSka46/sfOGMe7LmICT0w0VyoUG7dp+OHjX4j3xc=; b=ZtTH2eX7S7ZFloR8MhQnJuO7HK3GZFFIe2Yf+1WpNqqQdZKuxiAUt3Y5qB+3DYyJJz WxMz/CKX/V0NmQI4ibZSOTJnS6wtWcqmThM8AiJ12c9jvMeVoC1bYEhaya9iCktdrtVI 24ZTjCof3pLH5BWqV6YLM2CxwIG9cSKawrZ9Gy7M8NnZZNoao87k++CHeOyn1eTvWsoW RADiboDKDGNElYdK1dS7/RCeACc78yRNUXT1iMt5VqyrAVU96T2R4fvOYr+LUU/Y58Y8 jBQT78GnolqYenZRbTHPUEgMwHD1ETW/dBnRIk1FQw2pV8MEoCb5tu2LJ2SNYwoHELnj QCmg== X-Gm-Message-State: AOJu0YyzlU1zN118Ho5BACte60nPXWbrrg3Scrtpb9o1NTj6YpujBVNo a2eSjKT7z1/cXcDb2xuggCzQDk9GPm7zO0YxV90n89lhFoQsIO0kHZBXDA== X-Gm-Gg: ASbGncsUv3Pv+YfOj/KvWjwqqA+kNmEQwLLbl9G9QxBSWe24EV8gsqW8USGyCEHJrFz 4M8elMfoH6aRnayS1JmNuRhX23Mq5a8c3UeVPACejIyefvDUT2vj8V+455qFbxRjxBZZzQZMEKY UTGa3H53aqeVl4cLh680skZpsgZRKYJu3O5Bd79FMMow/pI65XVX090OQKPB1RWLAw/vdM1lmFG WP6icqVwOivqUhv0SRdIYiiaMddmcmh9Ly1iynAA6ZD3QQiecDtt8HiXvLVrlFPOnf6UCulfIBe TqeUNKZo8Wn1TCug+j018ZpEzNiZc5lnMRVKaK4sze+Hcjq9pcX8r/KaI+j/lsZq3Hub9JsIsCy a7RNg6AsY/qANfR/PI4MLcxtoMbI= X-Google-Smtp-Source: AGHT+IF57EI2N+cv1ZMUjiGcieuidVufkwYfA/UBKqWbGDfzzfOxG9VhlwZLyxhTGbFLyeOm3GuYXQ== X-Received: by 2002:a05:600c:2191:b0:43b:bfa7:c7d with SMTP id 5b1f17b1804b1-43d1805a5b1mr158361355e9.2.1742210709633; Mon, 17 Mar 2025 04:25:09 -0700 (PDT) Received: from nuc.fritz.box (p200300f6f71d1000fa633ffffe02074c.dip0.t-ipconnect.de. [2003:f6:f71d:1000:fa63:3fff:fe02:74c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43d200fad59sm103188675e9.26.2025.03.17.04.25.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Mar 2025 04:25:09 -0700 (PDT) From: Johannes Thumshirn To: linux-btrfs@vger.kernel.org Cc: Naohiro Aota , Damien Le Moal , Josef Bacik , David Sterba , Johannes Thumshirn Subject: [PATCH 0/2] btrfs: zoned: fix zone management on degraded filesystems Date: Mon, 17 Mar 2025 12:24:57 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Two fixes around ZONE FINISH and ZONE ACTIVATE for multi device filesystems in degraded mode. Both times we're dereferencing the btrfs_device::zone_info pointer without prior checking if the device is present. Johannes Thumshirn (2): btrfs: zoned: fix zone activation with missing devices btrfs: zoned: fix zone finishing with missing devices fs/btrfs/zoned.c | 6 ++++++ 1 file changed, 6 insertions(+) Reviewed-by: Naohiro Aota Reviewed-by: Anand Jain