[linux-next:master 2805/3504] mm/kasan/hw_tags.c:280:16: error: implicit declaration of function 'find_vm_area'; did you mean 'find_vma_prev'?

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   727900b675b749c40ba1f6669c7ae5eb7eb8e837
commit: 302519d9e80a7fbf2cf8d0b8961d491af648759f [2805/3504] asm-generic/io.h: kill vmalloc.h dependency
config: arm64-randconfig-r011-20220710 (https://download.01.org/0day-ci/archive/20240403/202404031246.aq5Yr5KO-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240403/202404031246.aq5Yr5KO-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404031246.aq5Yr5KO-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

   mm/kasan/hw_tags.c: In function 'unpoison_vmalloc_pages':
>> mm/kasan/hw_tags.c:280:16: error: implicit declaration of function 'find_vm_area'; did you mean 'find_vma_prev'? [-Werror=implicit-function-declaration]
     280 |         area = find_vm_area((void *)addr);
         |                ^~~~~~~~~~~~
         |                find_vma_prev
>> mm/kasan/hw_tags.c:280:14: warning: assignment to 'struct vm_struct *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     280 |         area = find_vm_area((void *)addr);
         |              ^
>> mm/kasan/hw_tags.c:284:29: error: invalid use of undefined type 'struct vm_struct'
     284 |         for (i = 0; i < area->nr_pages; i++) {
         |                             ^~
   mm/kasan/hw_tags.c:285:41: error: invalid use of undefined type 'struct vm_struct'
     285 |                 struct page *page = area->pages[i];
         |                                         ^~
   cc1: some warnings being treated as errors


vim +280 mm/kasan/hw_tags.c

23689e91fb22c1 Andrey Konovalov 2022-03-24  269  
23689e91fb22c1 Andrey Konovalov 2022-03-24  270  static void unpoison_vmalloc_pages(const void *addr, u8 tag)
23689e91fb22c1 Andrey Konovalov 2022-03-24  271  {
23689e91fb22c1 Andrey Konovalov 2022-03-24  272  	struct vm_struct *area;
23689e91fb22c1 Andrey Konovalov 2022-03-24  273  	int i;
23689e91fb22c1 Andrey Konovalov 2022-03-24  274  
23689e91fb22c1 Andrey Konovalov 2022-03-24  275  	/*
23689e91fb22c1 Andrey Konovalov 2022-03-24  276  	 * As hardware tag-based KASAN only tags VM_ALLOC vmalloc allocations
23689e91fb22c1 Andrey Konovalov 2022-03-24  277  	 * (see the comment in __kasan_unpoison_vmalloc), all of the pages
23689e91fb22c1 Andrey Konovalov 2022-03-24  278  	 * should belong to a single area.
23689e91fb22c1 Andrey Konovalov 2022-03-24  279  	 */
23689e91fb22c1 Andrey Konovalov 2022-03-24 @280  	area = find_vm_area((void *)addr);
23689e91fb22c1 Andrey Konovalov 2022-03-24  281  	if (WARN_ON(!area))
23689e91fb22c1 Andrey Konovalov 2022-03-24  282  		return;
23689e91fb22c1 Andrey Konovalov 2022-03-24  283  
23689e91fb22c1 Andrey Konovalov 2022-03-24 @284  	for (i = 0; i < area->nr_pages; i++) {
23689e91fb22c1 Andrey Konovalov 2022-03-24  285  		struct page *page = area->pages[i];
23689e91fb22c1 Andrey Konovalov 2022-03-24  286  
23689e91fb22c1 Andrey Konovalov 2022-03-24  287  		page_kasan_tag_set(page, tag);
23689e91fb22c1 Andrey Konovalov 2022-03-24  288  	}
23689e91fb22c1 Andrey Konovalov 2022-03-24  289  }
23689e91fb22c1 Andrey Konovalov 2022-03-24  290  

:::::: The code at line 280 was first introduced by commit
:::::: 23689e91fb22c15b84ac6c22ad9942039792f3af kasan, vmalloc: add vmalloc tagging for HW_TAGS

:::::: TO: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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