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([2001:41d0:303:db6b::]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45052a488d8sm3786183f8f.12.2026.05.05.04.13.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 04:13:00 -0700 (PDT) From: Tristan Madani To: Viacheslav Dubeyko Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] hfs/hfsplus: fix OOB access and uninit-value in bnode operations Date: Tue, 5 May 2026 11:12:57 +0000 Message-ID: <20260505111300.3592757-1-tristmd@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260501110218.29906-1-tristmd@gmail.com> References: <20260501110218.29906-1-tristmd@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tristan Madani Two fixes for long-standing syzbot reports in the HFS/HFS+ B-tree node handling code. Changes since v1 (20260501110218.29906-{1..3}-tristmd@gmail.com): - Patch 1: use (u64) widening cast per Dubeyko's feedback - Patch 2: memset inside hfs_bnode_read() covering all callers in both fs/hfs/ and fs/hfsplus/, per Dubeyko's feedback - Dropped patch 3 (NULL deref in hfsplus_create_attributes_file): already fixed by Dubeyko's patch [1] [1] https://lore.kernel.org/linux-fsdevel/6601b6ec0de087674f60566db950449c4e821bfc.camel@redhat.com/ Tristan Madani (2): hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length hfs/hfsplus: zero-initialize buffer in hfs_bnode_read fs/hfs/bnode.c | 4 +++- fs/hfsplus/bnode.c | 2 ++ fs/hfsplus/hfsplus_fs.h | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) -- 2.47.3