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(i222-151-34-139.s42.a014.ap.plala.or.jp. [222.151.34.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d5eba2e538sm2021098a91.17.2024.08.21.08.46.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Aug 2024 08:46:31 -0700 (PDT) From: Ryusuke Konishi To: Andrew Morton Cc: linux-nilfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/5] nilfs2: prevent unexpected ENOENT propagation Date: Thu, 22 Aug 2024 00:46:22 +0900 Message-Id: <20240821154627.11848-1-konishi.ryusuke@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-nilfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Andrew, please add this series to the queue for the next cycle. This series fixes potential issues where the result code -ENOENT, which is returned internally when a metadata file operation encouters a hole block, is exposed to user space without being properly handled. Several issues with the same cause leading to hangs or WARN_ON check failures have been reported by syzbot and fixed each time in the past. This collectively fixes the missing -ENOENT conversions that do not cause stability issues and are not covered by syzbot. Thanks, Ryusuke Konishi Ryusuke Konishi (5): nilfs2: treat missing sufile header block as metadata corruption nilfs2: treat missing cpfile header block as metadata corruption nilfs2: do not propagate ENOENT error from sufile during recovery nilfs2: do not propagate ENOENT error from sufile during GC nilfs2: do not propagate ENOENT error from nilfs_sufile_mark_dirty() fs/nilfs2/cpfile.c | 22 ++++++++------- fs/nilfs2/recovery.c | 11 +++++++- fs/nilfs2/segment.c | 64 ++++++++++++++++++++++++++++++++++++++------ fs/nilfs2/sufile.c | 32 +++++++++++++++++----- 4 files changed, 104 insertions(+), 25 deletions(-) -- 2.34.1