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[94.21.53.46]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c489e81sm48584381f8f.68.2025.08.13.08.20.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Aug 2025 08:20:15 -0700 (PDT) From: Miklos Szeredi To: linux-fsdevel@vger.kernel.org Cc: Bernd Schubert , Amir Goldstein , Chunsheng Luo , Florian Weimer Subject: [PATCH v2 0/3] fuse copy_file_range() fixes Date: Wed, 13 Aug 2025 17:20:10 +0200 Message-ID: <20250813152014.100048-1-mszeredi@redhat.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix 32 bit overflow issues. v2: - check for return value not exceeding requested size [1/3] - split patch: limit copy size for old API [2/3], add new API [3/3] Signed-off-by: Miklos Szeredi --- Miklos Szeredi (3): fuse: check if copy_file_range() returns larger than requested size fuse: prevent overflow in copy_file_range return value fuse: add COPY_FILE_RANGE_64 that allows large copies fs/fuse/file.c | 39 +++++++++++++++++++++++++++++++-------- fs/fuse/fuse_i.h | 3 +++ include/uapi/linux/fuse.h | 12 +++++++++++- 3 files changed, 45 insertions(+), 9 deletions(-) -- 2.49.0