From: kernel test robot <lkp@intel.com>
To: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [akpm-mm:mm-unstable 52/72] mm/kasan/common.c:601:21: error: 'KASAN_VMALLOC_KEEP_TAG' undeclared; did you mean 'KASAN_VMALLOC_PAGE_RANGE'?
Date: Sun, 7 Dec 2025 08:14:27 +0100 [thread overview]
Message-ID: <202512070858.6Mhh5r5D-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head: ecc46e02e0abe025a6e840cba2d647f23fd1d721
commit: 6b83afdcfa935db4f836906ca7f0fcafdca8d229 [52/72] kasan: unpoison vms[area] addresses with a common tag
config: powerpc64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251207/202512070858.6Mhh5r5D-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512070858.6Mhh5r5D-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512070858.6Mhh5r5D-lkp@intel.com/
All errors (new ones prefixed by >>):
mm/kasan/common.c: In function '__kasan_unpoison_vmap_areas':
>> mm/kasan/common.c:601:21: error: 'KASAN_VMALLOC_KEEP_TAG' undeclared (first use in this function); did you mean 'KASAN_VMALLOC_PAGE_RANGE'?
601 | if (flags & KASAN_VMALLOC_KEEP_TAG) {
| ^~~~~~~~~~~~~~~~~~~~~~
| KASAN_VMALLOC_PAGE_RANGE
mm/kasan/common.c:601:21: note: each undeclared identifier is reported only once for each function it appears in
vim +601 mm/kasan/common.c
586
587 #ifdef CONFIG_KASAN_VMALLOC
588 void __kasan_unpoison_vmap_areas(struct vm_struct **vms, int nr_vms,
589 kasan_vmalloc_flags_t flags)
590 {
591 unsigned long size;
592 void *addr;
593 int area;
594 u8 tag;
595
596 /*
597 * If KASAN_VMALLOC_KEEP_TAG was set at this point, all vms[] pointers
598 * would be unpoisoned with the KASAN_TAG_KERNEL which would disable
599 * KASAN checks down the line.
600 */
> 601 if (flags & KASAN_VMALLOC_KEEP_TAG) {
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-12-07 7:15 UTC|newest]
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