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(59-115-195-252.dynamic-ip.hinet.net. [59.115.195.252]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9ca4efesm21916840b3a.61.2026.04.08.09.14.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Apr 2026 09:14:39 -0700 (PDT) From: Sean Chang To: trondmy@kernel.org, anna@kernel.org Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Chang Subject: [PATCH v1 0/2] NFS: fix RCU and tracing pointer safety Date: Thu, 9 Apr 2026 00:14:26 +0800 Message-Id: <20260408161428.155169-1-seanwascoding@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series addresses two Sparse static analysis warnings in the NFS client. The first patch fixes an RCU-unsafe dereference when comparing superblock addresses by adding the necessary RCU read lock and dereference wrappers. The second patch resolves a "noderef" warning in the tracing infrastructure by changing a pointer field to an unsigned long, ensuring we aren't incorrectly marking private trace-buffer pointers as dereferenceable. Sean Chang (2): NFS: fix RCU safety in nfs_compare_super_address NFS: use unsigned long for req field in nfs_page_class fs/nfs/nfstrace.h | 6 +++--- fs/nfs/super.c | 32 ++++++++++++++++++++++---------- 2 files changed, 25 insertions(+), 13 deletions(-) -- 2.34.1