* Re: [PATCH v12 2/5] fs/proc/task_mmu: Implement IOCTL to get and optionally clear info about PTEs
[not found] <20230406074005.1784728-3-usama.anjum@collabora.com>
@ 2023-04-06 12:00 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-04-06 12:00 UTC (permalink / raw)
To: Muhammad Usama Anjum, Peter Xu, David Hildenbrand, Andrew Morton,
Michał Mirosław, Andrei Vagin, Danylo Mocherniuk,
Paul Gofman, Cyrill Gorcunov, Mike Rapoport, Nadav Amit
Cc: llvm, oe-kbuild-all, Linux Memory Management List, Alexander Viro,
Shuah Khan, Christian Brauner, Yang Shi, Vlastimil Babka,
Liam R . Howlett, Yun Zhou, Suren Baghdasaryan, Alex Sierra,
Muhammad Usama Anjum, Matthew Wilcox, Pasha Tatashin,
Axel Rasmussen, Gustavo A . R . Silva, Dan Williams, linux-kernel,
linux-fsdevel, linux-kselftest, Greg KH
Hi Muhammad,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on next-20230406]
[cannot apply to linus/master v6.3-rc5]
[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/Muhammad-Usama-Anjum/userfaultfd-UFFD_FEATURE_WP_ASYNC/20230406-154314
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20230406074005.1784728-3-usama.anjum%40collabora.com
patch subject: [PATCH v12 2/5] fs/proc/task_mmu: Implement IOCTL to get and optionally clear info about PTEs
config: arm-randconfig-r021-20230405 (https://download.01.org/0day-ci/archive/20230406/202304061924.m0OL9fIj-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/f13abb36f64c77913509da8ca157512d2fb9f031
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Muhammad-Usama-Anjum/userfaultfd-UFFD_FEATURE_WP_ASYNC/20230406-154314
git checkout f13abb36f64c77913509da8ca157512d2fb9f031
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304061924.m0OL9fIj-lkp@intel.com/
All errors (new ones prefixed by >>):
>> fs/proc/task_mmu.c:1965:47: error: too few arguments to function call, expected 5, have 4
uffd_wp_range(vma, addr, PAGE_SIZE, true) < 0)
~~~~~~~~~~~~~ ^
include/linux/userfaultfd_k.h:215:20: note: 'uffd_wp_range' declared here
static inline long uffd_wp_range(struct mm_struct *dst_mm,
^
1 error generated.
vim +1965 fs/proc/task_mmu.c
1948
1949 for (addr = start; addr < end && !ret; pte++, addr += PAGE_SIZE) {
1950 pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
1951
1952 is_written = !is_pte_uffd_wp(*pte);
1953 is_file = vma->vm_file;
1954 is_present = pte_present(*pte);
1955 is_swap = is_swap_pte(*pte);
1956
1957 pte_unmap_unlock(pte, ptl);
1958
1959 ret = pagemap_scan_output(is_written, is_file, is_present,
1960 is_swap, p, addr, 1);
1961 if (ret < 0)
1962 return ret;
1963
1964 if (is_written && PM_SCAN_OP_IS_WP(p) &&
> 1965 uffd_wp_range(vma, addr, PAGE_SIZE, true) < 0)
1966 return -EINVAL;
1967 }
1968
1969 cond_resched();
1970 return ret;
1971 }
1972
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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