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Message-ID: <202306040223.dXAuRONL-lkp@intel.com>
Date: Sun, 4 Jun 2023 02:10:13 +0800
From: kernel test robot <lkp@...el.com>
To: Wang Jianjian <wangjianjian0@...mail.com>,
linux-ext4@...r.kernel.org, tytso@....edu
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
wangjianjian0@...mail.com
Subject: Re: [PATCH] ext4: Add correct group descriptors and reserved GDT
blocks to system zone
Hi Wang,
kernel test robot noticed the following build errors:
[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on linus/master v6.4-rc4 next-20230602]
[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/Wang-Jianjian/ext4-Add-correct-group-descriptors-and-reserved-GDT-blocks-to-system-zone/20230604-003439
base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link: https://lore.kernel.org/r/tencent_4A474CC049B9E77D0F172468991EED5B9105%40qq.com
patch subject: [PATCH] ext4: Add correct group descriptors and reserved GDT blocks to system zone
config: hexagon-randconfig-r041-20230604 (https://download.01.org/0day-ci/archive/20230604/202306040223.dXAuRONL-lkp@intel.com/config)
compiler: clang version 15.0.4 (https://github.com/llvm/llvm-project 5c68a1cb123161b54b72ce90e7975d95a8eaf2a4)
reproduce (this is a W=1 build):
mkdir -p ~/bin
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/54ea70d6b1189628ed4017129457d77e0bfa7fde
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Wang-Jianjian/ext4-Add-correct-group-descriptors-and-reserved-GDT-blocks-to-system-zone/20230604-003439
git checkout 54ea70d6b1189628ed4017129457d77e0bfa7fde
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/ext4/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306040223.dXAuRONL-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from fs/ext4/block_validity.c:16:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from fs/ext4/block_validity.c:16:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from fs/ext4/block_validity.c:16:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> fs/ext4/block_validity.c:228:44: error: no member named 'es' in 'struct ext4_sb_info'
unsigned int rsvd_gdt = le16_to_cpu(sbi->es->s_reserved_gdt_blocks);
~~~ ^
include/linux/byteorder/generic.h:91:21: note: expanded from macro 'le16_to_cpu'
#define le16_to_cpu __le16_to_cpu
^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
>> fs/ext4/block_validity.c:226:16: warning: mixing declarations and code is incompatible with standards before C99 [-Wdeclaration-after-statement]
unsigned int sb_num = ext4_bg_has_super(sb, i);
^
7 warnings and 1 error generated.
vim +228 fs/ext4/block_validity.c
201
202 /*
203 * Build system zone rbtree which is used for block validity checking.
204 *
205 * The update of system_blks pointer in this function is protected by
206 * sb->s_umount semaphore. However we have to be careful as we can be
207 * racing with ext4_inode_block_valid() calls reading system_blks rbtree
208 * protected only by RCU. That's why we first build the rbtree and then
209 * swap it in place.
210 */
211 int ext4_setup_system_zone(struct super_block *sb)
212 {
213 ext4_group_t ngroups = ext4_get_groups_count(sb);
214 struct ext4_sb_info *sbi = EXT4_SB(sb);
215 struct ext4_system_blocks *system_blks;
216 struct ext4_group_desc *gdp;
217 ext4_group_t i;
218 int ret;
219
220 system_blks = kzalloc(sizeof(*system_blks), GFP_KERNEL);
221 if (!system_blks)
222 return -ENOMEM;
223
224 for (i=0; i < ngroups; i++) {
225 cond_resched();
> 226 unsigned int sb_num = ext4_bg_has_super(sb, i);
227 unsigned long gdb_num = ext4_bg_num_gdb(sb, i);
> 228 unsigned int rsvd_gdt = le16_to_cpu(sbi->es->s_reserved_gdt_blocks);
229
230 if (sb_num != 0 || gdb_num != 0) {
231 ret = add_system_zone(system_blks,
232 ext4_group_first_block_no(sb, i),
233 sb_num + gdb_num + rsvd_gdt, 0);
234 if (ret)
235 goto err;
236 }
237 gdp = ext4_get_group_desc(sb, i, NULL);
238 ret = add_system_zone(system_blks,
239 ext4_block_bitmap(sb, gdp), 1, 0);
240 if (ret)
241 goto err;
242 ret = add_system_zone(system_blks,
243 ext4_inode_bitmap(sb, gdp), 1, 0);
244 if (ret)
245 goto err;
246 ret = add_system_zone(system_blks,
247 ext4_inode_table(sb, gdp),
248 sbi->s_itb_per_group, 0);
249 if (ret)
250 goto err;
251 }
252 if (ext4_has_feature_journal(sb) && sbi->s_es->s_journal_inum) {
253 ret = ext4_protect_reserved_inode(sb, system_blks,
254 le32_to_cpu(sbi->s_es->s_journal_inum));
255 if (ret)
256 goto err;
257 }
258
259 /*
260 * System blks rbtree complete, announce it once to prevent racing
261 * with ext4_inode_block_valid() accessing the rbtree at the same
262 * time.
263 */
264 rcu_assign_pointer(sbi->s_system_blks, system_blks);
265
266 if (test_opt(sb, DEBUG))
267 debug_print_tree(sbi);
268 return 0;
269 err:
270 release_system_zone(system_blks);
271 kfree(system_blks);
272 return ret;
273 }
274
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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