From: Andrey Konovalov <andreyknvl@gmail.com>
To: kernel test robot <lkp@intel.com>
Cc: andrey.konovalov@linux.dev, Marco Elver <elver@google.com>,
Alexander Potapenko <glider@google.com>,
kbuild-all@lists.01.org, Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Peter Collingbourne <pcc@google.com>,
Evgenii Stepanov <eugenis@google.com>,
Florian Mayer <fmayer@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 24/32] kasan: move kasan_addr_to_slab to common.c
Date: Tue, 19 Jul 2022 00:41:40 +0200 [thread overview]
Message-ID: <CA+fCnZfs+CiBVBf0BYD2sp9KgO2+_QJOH=XaNVt7-kk4tdLy-A@mail.gmail.com> (raw)
In-Reply-To: <202206152134.sadCRvGk-lkp@intel.com>
On Wed, Jun 15, 2022 at 3:28 PM kernel test robot <lkp@intel.com> wrote:
>
> Hi,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on akpm-mm/mm-everything]
> [also build test WARNING on linus/master v5.19-rc2 next-20220615]
> [cannot apply to vbabka-slab/for-next]
> [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]
>
> url: https://github.com/intel-lab-lkp/linux/commits/andrey-konovalov-linux-dev/kasan-switch-tag-based-modes-to-stack-ring-from-per-object-metadata/20220614-042239
> base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220615/202206152134.sadCRvGk-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 11.3.0
> 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
> # https://github.com/intel-lab-lkp/linux/commit/b0b10a57b2d9a5e5ae5d7ca62046b9774df1a88f
> git remote add linux-review https://github.com/intel-lab-lkp/linux
> git fetch --no-tags linux-review andrey-konovalov-linux-dev/kasan-switch-tag-based-modes-to-stack-ring-from-per-object-metadata/20220614-042239
> git checkout b0b10a57b2d9a5e5ae5d7ca62046b9774df1a88f
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash mm/kasan/
>
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> mm/kasan/common.c: In function 'kasan_addr_to_slab':
> >> mm/kasan/common.c:35:19: warning: ordered comparison of pointer with null pointer [-Wextra]
> 35 | if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory))
> | ^~
> mm/kasan/common.c: In function '____kasan_slab_free':
> mm/kasan/common.c:202:12: warning: variable 'tag' set but not used [-Wunused-but-set-variable]
> 202 | u8 tag;
> | ^~~
Will fix both in v2. Thanks!
next prev parent reply other threads:[~2022-07-18 22:41 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-13 20:13 [PATCH 00/32] kasan: switch tag-based modes to stack ring from per-object metadata andrey.konovalov
2022-06-13 20:13 ` [PATCH 01/32] kasan: check KASAN_NO_FREE_META in __kasan_metadata_size andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 02/32] kasan: rename kasan_set_*_info to kasan_save_*_info andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 03/32] kasan: move is_kmalloc check out of save_alloc_info andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 04/32] kasan: split save_alloc_info implementations andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 05/32] kasan: drop CONFIG_KASAN_TAGS_IDENTIFY andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 06/32] kasan: introduce kasan_print_aux_stacks andrey.konovalov
2022-06-17 11:34 ` Marco Elver
2022-07-18 22:41 ` Andrey Konovalov
2022-06-13 20:13 ` [PATCH 07/32] kasan: introduce kasan_get_alloc_track andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:13 ` [PATCH 08/32] kasan: introduce kasan_init_object_meta andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:14 ` [PATCH 09/32] kasan: clear metadata functions for tag-based modes andrey.konovalov
2022-06-20 13:39 ` Marco Elver
2022-06-13 20:14 ` [PATCH 10/32] kasan: move kasan_get_*_meta to generic.c andrey.konovalov
2022-06-13 20:14 ` [PATCH 11/32] kasan: introduce kasan_requires_meta andrey.konovalov
2022-06-13 20:14 ` [PATCH 12/32] kasan: introduce kasan_init_cache_meta andrey.konovalov
2022-06-13 20:14 ` [PATCH 13/32] kasan: drop CONFIG_KASAN_GENERIC check from kasan_init_cache_meta andrey.konovalov
2022-06-13 20:14 ` [PATCH 14/32] kasan: only define kasan_metadata_size for Generic mode andrey.konovalov
2022-06-13 20:14 ` [PATCH 15/32] kasan: only define kasan_never_merge " andrey.konovalov
2022-06-13 20:14 ` [PATCH 16/32] kasan: only define metadata offsets " andrey.konovalov
2022-06-13 20:14 ` [PATCH 17/32] kasan: only define metadata structs " andrey.konovalov
2022-06-13 20:14 ` [PATCH 18/32] kasan: only define kasan_cache_create " andrey.konovalov
2022-06-13 20:14 ` [PATCH 19/32] kasan: pass tagged pointers to kasan_save_alloc/free_info andrey.konovalov
2022-06-20 9:54 ` Marco Elver
2022-07-18 22:41 ` Andrey Konovalov
2022-06-13 20:14 ` [PATCH 20/32] kasan: move kasan_get_alloc/free_track definitions andrey.konovalov
2022-06-13 20:14 ` [PATCH 21/32] kasan: simplify invalid-free reporting andrey.konovalov
2022-06-21 7:17 ` Kuan-Ying Lee
2022-07-12 20:38 ` Andrey Konovalov
2022-06-13 20:14 ` [PATCH 22/32] kasan: cosmetic changes in report.c andrey.konovalov
2022-06-13 20:14 ` [PATCH 23/32] kasan: use kasan_addr_to_slab in print_address_description andrey.konovalov
2022-06-13 20:14 ` [PATCH 24/32] kasan: move kasan_addr_to_slab to common.c andrey.konovalov
2022-06-15 13:27 ` kernel test robot
2022-07-18 22:41 ` Andrey Konovalov [this message]
2022-06-13 20:14 ` [PATCH 25/32] kasan: make kasan_addr_to_page static andrey.konovalov
2022-06-13 20:14 ` [PATCH 26/32] kasan: simplify print_report andrey.konovalov
2022-06-13 20:14 ` [PATCH 27/32] kasan: introduce complete_report_info andrey.konovalov
2022-06-13 20:14 ` [PATCH 28/32] kasan: fill in cache and object in complete_report_info andrey.konovalov
2022-06-13 20:14 ` [PATCH 29/32] kasan: rework function arguments in report.c andrey.konovalov
2022-06-13 20:14 ` [PATCH 30/32] kasan: introduce kasan_complete_mode_report_info andrey.konovalov
2022-06-13 20:14 ` [PATCH 31/32] kasan: implement stack ring for tag-based modes andrey.konovalov
2022-06-20 13:35 ` Marco Elver
2022-07-18 22:42 ` Andrey Konovalov
2022-06-13 20:14 ` [PATCH 32/32] kasan: better identify bug types " andrey.konovalov
2022-06-17 9:32 ` [PATCH 00/32] kasan: switch tag-based modes to stack ring from per-object metadata Marco Elver
2022-07-18 22:41 ` Andrey Konovalov
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