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Message-ID: <202511280300.6pvBmXUS-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 72718C0008 X-Rspamd-Server: rspam02 X-Stat-Signature: kyzod9iqw7zhn1jfbj3eijyfnszqd5rc X-Rspam-User: X-HE-Tag: 1764271769-292343 X-HE-Meta: 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 7e8pvKu9 BOjTJp7OXOTliNqN1DwhNQ9Kph5Cgx66mxdbdtRzZ+mlgFcWVF42Vl47z5hBrxS7IYCXw8z3qsxv8mdYul6z0mO/vuPrTwNniRg9LCN9TMu8O0SgK4qiIYThkDnn1E4fNkc3n9hMzoLcci+yaiEAWB//sINaQNysZ9MCuL+00BEslfgpwNcyXtllHhKRjc+CCGf+inlHTC9bZ8fz/HrPqqFfXJLomGKpIgD5rn6SBdNx9M6BqalWy2Yi/yPXf5cZl6gxDYG6Ub3pqHAAPsOHaL4ccsmKmbXcSddYLELD49iSaGDMRfioKoXHiLOhp/x1TjsnvlMmw/VKFijUeT10qyiC00ec8zUNMkp35OpFYdZv151o3hQdWFCWrOQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ef68bf704646690aba5e81c2f7be8d6ef13d7ad8 commit: b30a1fee674c8446bebd9e399b267ac824093bc8 [12118/12398] liveupdate: luo_core: add user interface config: x86_64-randconfig-161-20251127 (https://download.01.org/0day-ci/archive/20251128/202511280300.6pvBmXUS-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202511280300.6pvBmXUS-lkp@intel.com/ smatch warnings: kernel/liveupdate/luo_core.c:402 luo_ioctl() warn: unsigned 'nr' is never less than zero. vim +/nr +402 kernel/liveupdate/luo_core.c 392 393 static long luo_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) 394 { 395 const struct luo_ioctl_op *op; 396 struct luo_ucmd ucmd = {}; 397 union ucmd_buffer buf; 398 unsigned int nr; 399 int err; 400 401 nr = _IOC_NR(cmd); > 402 if (nr < LIVEUPDATE_CMD_BASE || 403 (nr - LIVEUPDATE_CMD_BASE) >= ARRAY_SIZE(luo_ioctl_ops)) { 404 return -EINVAL; 405 } 406 407 ucmd.ubuffer = (void __user *)arg; 408 err = get_user(ucmd.user_size, (u32 __user *)ucmd.ubuffer); 409 if (err) 410 return err; 411 412 op = &luo_ioctl_ops[nr - LIVEUPDATE_CMD_BASE]; 413 if (op->ioctl_num != cmd) 414 return -ENOIOCTLCMD; 415 if (ucmd.user_size < op->min_size) 416 return -EINVAL; 417 418 ucmd.cmd = &buf; 419 err = copy_struct_from_user(ucmd.cmd, op->size, ucmd.ubuffer, 420 ucmd.user_size); 421 if (err) 422 return err; 423 424 return op->execute(&ucmd); 425 } 426 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki