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X-IronPort-AV: E=McAfee;i="6600,9927,10919"; a="398389818" X-IronPort-AV: E=Sophos;i="6.04,264,1695711600"; d="scan'208";a="398389818" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2023 14:28:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10919"; a="772505822" X-IronPort-AV: E=Sophos;i="6.04,264,1695711600"; d="scan'208";a="772505822" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 09 Dec 2023 14:28:45 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rC5oR-000G2z-0M; Sat, 09 Dec 2023 22:28:43 +0000 Date: Sun, 10 Dec 2023 06:28:38 +0800 From: kernel test robot To: Gregory Price , linux-mm@kvack.org Cc: oe-kbuild-all@lists.linux.dev, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, arnd@arndb.de, tglx@linutronix.de, luto@kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, mhocko@kernel.org, tj@kernel.org, ying.huang@intel.com, gregory.price@memverge.com, corbet@lwn.net, rakie.kim@sk.com, hyeongtak.ji@sk.com, honggyu.kim@sk.com, vtavarespetr@micron.com, peterz@infradead.org, jgroves@micron.com, ravis.opensrc@micron.com, sthanneeru@micron.com, emirakhur@micron.com, Hasan.Maruf@amd.com Subject: Re: [PATCH v2 11/11] mm/mempolicy: extend set_mempolicy2 and mbind2 to support weighted interleave Message-ID: <202312100606.2aOpv2T5-lkp@intel.com> References: <20231209065931.3458-12-gregory.price@memverge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231209065931.3458-12-gregory.price@memverge.com> X-Rspamd-Queue-Id: A8321160009 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: dwz8z9c3d9cm6gnbtonecmr1btpidiwp X-HE-Tag: 1702160934-275810 X-HE-Meta: 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 Lzzdk6wO 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 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: Hi Gregory, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on deller-parisc/for-next powerpc/next powerpc/fixes s390/features jcmvbkbc-xtensa/xtensa-for-next arnd-asm-generic/master linus/master v6.7-rc4] [cannot apply to tip/x86/asm geert-m68k/for-next geert-m68k/for-linus next-20231208] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Gregory-Price/mm-mempolicy-implement-the-sysfs-based-weighted_interleave-interface/20231209-150314 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231209065931.3458-12-gregory.price%40memverge.com patch subject: [PATCH v2 11/11] mm/mempolicy: extend set_mempolicy2 and mbind2 to support weighted interleave config: x86_64-randconfig-123-20231210 (https://download.01.org/0day-ci/archive/20231210/202312100606.2aOpv2T5-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231210/202312100606.2aOpv2T5-lkp@intel.com/reproduce) 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/202312100606.2aOpv2T5-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/mempolicy.c: note: in included file (through include/linux/rculist.h, include/linux/pid.h, include/linux/sched.h, ...): include/linux/rcupdate.h:778:9: sparse: sparse: context imbalance in 'queue_folios_pte_range' - unexpected unlock mm/mempolicy.c: note: in included file (through arch/x86/include/asm/uaccess.h, include/linux/uaccess.h, include/linux/sched/task.h, ...): arch/x86/include/asm/uaccess_64.h:88:24: sparse: sparse: cast removes address space '__user' of expression >> mm/mempolicy.c:1681:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char *weights_ptr @@ got void [noderef] __user * @@ mm/mempolicy.c:1681:29: sparse: expected unsigned char *weights_ptr mm/mempolicy.c:1681:29: sparse: got void [noderef] __user * >> mm/mempolicy.c:1684:45: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void const [noderef] __user *src @@ got unsigned char *weights_ptr @@ mm/mempolicy.c:1684:45: sparse: expected void const [noderef] __user *src mm/mempolicy.c:1684:45: sparse: got unsigned char *weights_ptr mm/mempolicy.c:2042:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char *weights_ptr @@ got void [noderef] __user * @@ mm/mempolicy.c:2042:29: sparse: expected unsigned char *weights_ptr mm/mempolicy.c:2042:29: sparse: got void [noderef] __user * >> mm/mempolicy.c:2043:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *weights_ptr @@ mm/mempolicy.c:2043:36: sparse: expected void [noderef] __user *to mm/mempolicy.c:2043:36: sparse: got unsigned char *weights_ptr vim +1681 mm/mempolicy.c 1629 1630 SYSCALL_DEFINE5(mbind2, const struct iovec __user *, vec, size_t, vlen, 1631 const struct mpol_args __user *, uargs, size_t, usize, 1632 unsigned long, flags) 1633 { 1634 struct mpol_args kargs; 1635 struct mempolicy_args margs; 1636 nodemask_t policy_nodes; 1637 unsigned long __user *nodes_ptr; 1638 struct iovec iovstack[UIO_FASTIOV]; 1639 struct iovec *iov = iovstack; 1640 struct iov_iter iter; 1641 unsigned char weights[MAX_NUMNODES]; 1642 unsigned char *weights_ptr; 1643 int err; 1644 1645 if (!vec || !vlen) 1646 return -EINVAL; 1647 1648 err = copy_struct_from_user(&kargs, sizeof(kargs), uargs, usize); 1649 if (err) 1650 return -EINVAL; 1651 1652 err = validate_mpol_flags(kargs.mode, &kargs.mode_flags); 1653 if (err) 1654 return err; 1655 1656 margs.mode = kargs.mode; 1657 margs.mode_flags = kargs.mode_flags; 1658 margs.addr = kargs.addr; 1659 1660 /* if home node given, validate it is online */ 1661 if (flags & MPOL_MF_HOME_NODE) { 1662 if ((kargs.home_node >= MAX_NUMNODES) || 1663 !node_online(kargs.home_node)) 1664 return -EINVAL; 1665 margs.home_node = kargs.home_node; 1666 } else 1667 margs.home_node = NUMA_NO_NODE; 1668 flags &= ~MPOL_MF_HOME_NODE; 1669 1670 if (kargs.pol_nodes) { 1671 nodes_ptr = u64_to_user_ptr(kargs.pol_nodes); 1672 err = get_nodes(&policy_nodes, nodes_ptr, 1673 kargs.pol_maxnodes); 1674 if (err) 1675 return err; 1676 margs.policy_nodes = &policy_nodes; 1677 } else 1678 margs.policy_nodes = NULL; 1679 1680 if (kargs.mode == MPOL_WEIGHTED_INTERLEAVE) { > 1681 weights_ptr = u64_to_user_ptr(kargs.il_weights); 1682 err = copy_struct_from_user(&weights, 1683 sizeof(weights), > 1684 weights_ptr, 1685 kargs.pol_maxnodes); 1686 if (err) 1687 return err; 1688 margs.il_weights = weights; 1689 } else { 1690 margs.il_weights = NULL; 1691 flags |= MPOL_F_GWEIGHT; 1692 } 1693 1694 /* For each address range in vector, do_mbind */ 1695 err = import_iovec(ITER_DEST, vec, vlen, ARRAY_SIZE(iovstack), &iov, 1696 &iter); 1697 if (err) 1698 return err; 1699 while (iov_iter_count(&iter)) { 1700 unsigned long start, len; 1701 1702 start = untagged_addr((unsigned long)iter_iov_addr(&iter)); 1703 len = iter_iov_len(&iter); 1704 err = do_mbind(start, len, &margs, flags); 1705 if (err) 1706 break; 1707 iov_iter_advance(&iter, iter_iov_len(&iter)); 1708 } 1709 1710 kfree(iov); 1711 return err; 1712 } 1713 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki