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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id c21-20020a17090aa61500b00219463262desm19148364pjq.39.2023.01.03.15.48.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Jan 2023 15:48:38 -0800 (PST) From: Kees Cook To: Ben Skeggs Cc: Kees Cook , Karol Herbst , Lyude Paul , David Airlie , Daniel Vetter , Gourav Samaiya , "Gustavo A. R. Silva" , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [RESEND][PATCH] drm/nouveau/fb/ga102: Replace zero-length array of trailing structs with flex-array Date: Tue, 3 Jan 2023 15:48:36 -0800 Message-Id: <20230103234835.never.378-kees@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1514; h=from:subject:message-id; bh=yNDAQz5L/StW+b14k9XOZhzSrABBg07i4qvrOt4rnsQ=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBjtL7UV5oPZ4aSWc790jMdrk79oP2SuDFrhpYN3dAV U45tjoCJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCY7S+1AAKCRCJcvTf3G3AJjfoD/ 9eZAMC/zIpdWOvrTeGfrphFv3DowrWpQpy2/jYIqQfGi7/r2Yp9ZLfiIgpABUIQFOEBtxRI6DBYzhn j2Jnr9dC8QT94UIJBjmGYn3FGybpbB9n0xlQs+FvSs+RF9gvvOqA8Eue8I+8S5KCW5gjQOB3zOXP30 A82/LDSd9t6zwmSrjqJ/bDzpZ5W1zZxLIBlE+lkIoo4olaSzK2DQ6Kn78aGPoICV2Rs6a4kduTTT+/ CYX/w+1ba6iK7n/cA0x8z8HNR6BPGBhedyeSQsU0PkxyYKBnJ7+lOeRozCD0mtCrCvCIB8ZCZ3xUov 85+IMnp6earP8cWAh0GGqEJUlZ/R2OaiB7eLG4QqsMZQfcoFe6s6VJUiqqf2F+qI3NjgzfB4aIfFEx zXVZdNH04Mpb/k0nl/PtHO2Uj42hp9eenr6zjMPDBsQl4oMUn6nemlkNrfw6pnJncakLLH00TjFkCY ObgbCLGQDpYqt1sNj3Ogv1CDBgNtNAgXyOfLVbwKxUr/widlNwnCPLvMdGkW+vhkg6mpiFdA9Bzo6Y 3lYANl81UelN34Y7TmyIWAEYr6Hr1XMKAUuubdA3tlCoQLPP0sXfgFv5S3Z3fAeRp4tRqLAMDVJVKW RIHhb0ND8kYXODJQU314xcLTgpvXoaSamYHoUlD6hP8snaFkWc9XRjhuWaMg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754047235648270290?= X-GMAIL-MSGID: =?utf-8?q?1754047235648270290?= Zero-length arrays are deprecated[1] and are being replaced with flexible array members in support of the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy(), correctly instrument array indexing with UBSAN_BOUNDS, and to globally enable -fstrict-flex-arrays=3. Replace zero-length array with flexible-array member. This results in no differences in binary output. [1] https://github.com/KSPP/linux/issues/78 Cc: Ben Skeggs Cc: Karol Herbst Cc: Lyude Paul Cc: David Airlie Cc: Daniel Vetter Cc: Gourav Samaiya Cc: "Gustavo A. R. Silva" Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Reviewed-by: Karol Herbst --- Sent before as: https://lore.kernel.org/all/20221118211207.never.039-kees@kernel.org/ --- drivers/gpu/drm/nouveau/include/nvfw/hs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/include/nvfw/hs.h b/drivers/gpu/drm/nouveau/include/nvfw/hs.h index 8c4cd08a7b5f..8b58b668fc0c 100644 --- a/drivers/gpu/drm/nouveau/include/nvfw/hs.h +++ b/drivers/gpu/drm/nouveau/include/nvfw/hs.h @@ -52,7 +52,7 @@ struct nvfw_hs_load_header_v2 { struct { u32 offset; u32 size; - } app[0]; + } app[]; }; const struct nvfw_hs_load_header_v2 *nvfw_hs_load_header_v2(struct nvkm_subdev *, const void *);