Message ID | 20220923202822.2667581-13-keescook@chromium.org |
---|---|
State | Handled Elsewhere |
Headers | show
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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id g13-20020aa796ad000000b0053ae018a91esm7005618pfk.173.2022.09.23.13.28.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Sep 2022 13:28:32 -0700 (PDT) From: Kees Cook <keescook@chromium.org> To: Vlastimil Babka <vbabka@suse.cz> Date: Fri, 23 Sep 2022 13:28:18 -0700 Message-Id: <20220923202822.2667581-13-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220923202822.2667581-1-keescook@chromium.org> References: <20220923202822.2667581-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=845; h=from:subject; bh=p9b8wNdLQUTcKVpskeYovP9HfQefiLH6cTy/WYiH/34=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBjLhblaNBFxJTohammexHC6CbeJ0+h67dRN4PBtvwk 5JonPTWJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYy4W5QAKCRCJcvTf3G3AJv3zD/ 9LAMXluSBHTtqxb1umMTVE5i5sD3JCHrbpRq7+nm/ihvkEJ1pnKlLOmxomGKq8yeaSA69bZA8KfZSc CR5xfaDsFWx4j9MHisTXdoYIizPEmbqQRRqOxkcdkdBTXGB4/9y7dICzF8nG/wZnRE5cg43nOsJxA/ hh08sM/Jc50zsKD8NK3U423EdCAh5Mur1N+IQdBrcIDvnYzrV9ox60ZBhTx1GxtTQH29f1M7tkTsxb CVJH0I7rS5lLvIDvLckMlcpX75U4M6OfFXPwwIxp8zwb/SpdErJg9OQ0Bc5aPbHKg5h0mzeyjxITo4 Z8ePU5LP/HNZ40tbLl/4YQUWf9RwhgxmPxlaMerypnyhhY7RPOqjaEt4QjEp435c3lkzt/jPKVyQ00 /BWZWjk3oYQBVD1YkNvQadr0W7iugWkFBmy0TMQKbpGlH/9UDUI6ZWX0cskd2A9Vm/9DXzxZlWfb5T 46CEGwe6OTc72/fqVunf113g0JP/k16VF9IW4+cBz7fPkxp8MWBVHYsuByyGXMUPaQPem/RWWPBSdo m2SZX1ZgW/fXrsnRcDrhQ1bd8TrDPmojcGJefLK+ix//dr8fGR/Mmu8QlKJ5P4e96wfEoqQZTf9cys itlMdKLXQRmGqut8owpdZR9a0jlrGiYaoK47SOl258qhzKf6gWj/fY7i/IJw== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Cc: "Rafael J. Wysocki" <rafael@kernel.org>, llvm@lists.linux.dev, dri-devel@lists.freedesktop.org, "Ruhl, Michael J" <michael.j.ruhl@intel.com>, Eric Dumazet <edumazet@google.com>, linux-hardening@vger.kernel.org, Hyeonggon Yoo <42.hyeyoo@gmail.com>, Christoph Lameter <cl@linux.com>, Sumit Semwal <sumit.semwal@linaro.org>, dev@openvswitch.org, x86@kernel.org, Jesse Brandeburg <jesse.brandeburg@intel.com>, intel-wired-lan@lists.osuosl.org, David Rientjes <rientjes@google.com>, Miguel Ojeda <ojeda@kernel.org>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, linux-media@vger.kernel.org, Marco Elver <elver@google.com>, Kees Cook <keescook@chromium.org>, Josef Bacik <josef@toxicpanda.com>, linaro-mm-sig@lists.linaro.org, Yonghong Song <yhs@fb.com>, David Sterba <dsterba@suse.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Alex Elder <elder@kernel.org>, linux-mm@kvack.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Nick Desaulniers <ndesaulniers@google.com>, linux-kernel@vger.kernel.org, =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>, Pekka Enberg <penberg@kernel.org>, Daniel Micay <danielmicay@gmail.com>, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, "David S. Miller" <davem@davemloft.net>, linux-btrfs@vger.kernel.org Subject: [ovs-dev] [PATCH v2 12/16] devres: Use kmalloc_size_roundup() to match ksize() usage X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: <ovs-dev.openvswitch.org> List-Unsubscribe: <https://mail.openvswitch.org/mailman/options/ovs-dev>, <mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe> List-Archive: <http://mail.openvswitch.org/pipermail/ovs-dev/> List-Post: <mailto:ovs-dev@openvswitch.org> List-Help: <mailto:ovs-dev-request@openvswitch.org?subject=help> List-Subscribe: <https://mail.openvswitch.org/mailman/listinfo/ovs-dev>, <mailto:ovs-dev-request@openvswitch.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ovs-dev-bounces@openvswitch.org Sender: "dev" <ovs-dev-bounces@openvswitch.org> |
Series |
slab: Introduce kmalloc_size_roundup()
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expand
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Context | Check | Description |
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ovsrobot/intel-ovs-compilation | fail | test: fail |
diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 864d0b3f566e..7db20ce7ea8a 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -101,6 +101,9 @@ static bool check_dr_size(size_t size, size_t *tot_size) size, tot_size))) return false; + /* Actually allocate the full kmalloc bucket size. */ + *tot_size = kmalloc_size_roundup(*tot_size); + return true; }
Round up allocations with kmalloc_size_roundup() so that devres's use of ksize() is always accurate and no special handling of the memory is needed by KASAN, UBSAN_BOUNDS, nor FORTIFY_SOURCE. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> --- drivers/base/devres.c | 3 +++ 1 file changed, 3 insertions(+)