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Sat, 11 Nov 2023 12:55:44 +0000 Date: Sat, 11 Nov 2023 20:55:12 +0800 From: kernel test robot To: Christoph Hellwig Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Jens Axboe , Coly Li Subject: drivers/md/bcache/super.c:108:14: sparse: sparse: restricted __le64 degrades to integer Message-ID: <202311112007.VxK2JAc1-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3ca112b71f35dd5d99fc4571a56b5fc6f0c15814 commit: a702a692cd7559053ea573f4e2c84828f0e62824 bcache: use a separate data structure for the on-disk super block date: 3 years, 10 months ago config: i386-randconfig-062-20230914 (https://download.01.org/0day-ci/archive/20231111/202311112007.VxK2JAc1-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311112007.VxK2JAc1-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311112007.VxK2JAc1-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/md/bcache/super.c:108:24: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int nr_keys @@ got restricted __le16 [usertype] keys @@ drivers/md/bcache/super.c:108:24: sparse: expected unsigned int nr_keys drivers/md/bcache/super.c:108:24: sparse: got restricted __le16 [usertype] keys >> drivers/md/bcache/super.c:108:14: sparse: sparse: restricted __le64 degrades to integer drivers/md/bcache/super.c:237:21: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int nr_keys @@ got restricted __le16 [usertype] keys @@ drivers/md/bcache/super.c:237:21: sparse: expected unsigned int nr_keys drivers/md/bcache/super.c:237:21: sparse: got restricted __le16 [usertype] keys >> drivers/md/bcache/super.c:237:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] csum @@ got unsigned long long @@ drivers/md/bcache/super.c:237:19: sparse: expected restricted __le64 [usertype] csum drivers/md/bcache/super.c:237:19: sparse: got unsigned long long drivers/md/bcache/super.c: note: in included file (through drivers/md/bcache/bcache.h): include/uapi/linux/bcache.h:345:38: sparse: sparse: array of flexible structures drivers/md/bcache/super.c:574:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] prio @@ got restricted __le16 [usertype] @@ drivers/md/bcache/super.c:574:33: sparse: expected unsigned short [usertype] prio drivers/md/bcache/super.c:574:33: sparse: got restricted __le16 [usertype] drivers/md/bcache/super.c:642:27: sparse: sparse: cast to restricted __le16 drivers/md/bcache/super.c:744:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] invalidated @@ got restricted __le32 [usertype] @@ drivers/md/bcache/super.c:744:32: sparse: expected unsigned int [usertype] invalidated drivers/md/bcache/super.c:744:32: sparse: got restricted __le32 [usertype] drivers/md/bcache/super.c:1104:26: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] rtime @@ got restricted __le32 [usertype] @@ drivers/md/bcache/super.c:1104:26: sparse: expected unsigned int [usertype] rtime drivers/md/bcache/super.c:1104:26: sparse: got restricted __le32 [usertype] drivers/md/bcache/super.c:1148:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] invalidated @@ got restricted __le32 [usertype] @@ drivers/md/bcache/super.c:1148:32: sparse: expected unsigned int [usertype] invalidated drivers/md/bcache/super.c:1148:32: sparse: got restricted __le32 [usertype] drivers/md/bcache/super.c:1502:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] last_reg @@ got restricted __le32 [usertype] @@ drivers/md/bcache/super.c:1502:36: sparse: expected unsigned int [usertype] last_reg drivers/md/bcache/super.c:1502:36: sparse: got restricted __le32 [usertype] drivers/md/bcache/super.c: note: in included file (through drivers/md/bcache/bcache.h): drivers/md/bcache/bset.h:231:36: sparse: sparse: array of flexible structures vim +108 drivers/md/bcache/super.c cafe563591446c Kent Overstreet 2013-03-23 61 cafe563591446c Kent Overstreet 2013-03-23 62 static const char *read_super(struct cache_sb *sb, struct block_device *bdev, cafe563591446c Kent Overstreet 2013-03-23 63 struct page **res) cafe563591446c Kent Overstreet 2013-03-23 64 { cafe563591446c Kent Overstreet 2013-03-23 65 const char *err; a702a692cd7559 Christoph Hellwig 2020-01-24 66 struct cache_sb_disk *s; cafe563591446c Kent Overstreet 2013-03-23 67 struct buffer_head *bh = __bread(bdev, 1, SB_SIZE); 6f10f7d1b02b1b Coly Li 2018-08-11 68 unsigned int i; cafe563591446c Kent Overstreet 2013-03-23 69 cafe563591446c Kent Overstreet 2013-03-23 70 if (!bh) cafe563591446c Kent Overstreet 2013-03-23 71 return "IO error"; cafe563591446c Kent Overstreet 2013-03-23 72 a702a692cd7559 Christoph Hellwig 2020-01-24 73 s = (struct cache_sb_disk *)bh->b_data; cafe563591446c Kent Overstreet 2013-03-23 74 cafe563591446c Kent Overstreet 2013-03-23 75 sb->offset = le64_to_cpu(s->offset); cafe563591446c Kent Overstreet 2013-03-23 76 sb->version = le64_to_cpu(s->version); cafe563591446c Kent Overstreet 2013-03-23 77 cafe563591446c Kent Overstreet 2013-03-23 78 memcpy(sb->magic, s->magic, 16); cafe563591446c Kent Overstreet 2013-03-23 79 memcpy(sb->uuid, s->uuid, 16); cafe563591446c Kent Overstreet 2013-03-23 80 memcpy(sb->set_uuid, s->set_uuid, 16); cafe563591446c Kent Overstreet 2013-03-23 81 memcpy(sb->label, s->label, SB_LABEL_SIZE); cafe563591446c Kent Overstreet 2013-03-23 82 cafe563591446c Kent Overstreet 2013-03-23 83 sb->flags = le64_to_cpu(s->flags); cafe563591446c Kent Overstreet 2013-03-23 84 sb->seq = le64_to_cpu(s->seq); cafe563591446c Kent Overstreet 2013-03-23 85 sb->last_mount = le32_to_cpu(s->last_mount); cafe563591446c Kent Overstreet 2013-03-23 86 sb->first_bucket = le16_to_cpu(s->first_bucket); cafe563591446c Kent Overstreet 2013-03-23 87 sb->keys = le16_to_cpu(s->keys); cafe563591446c Kent Overstreet 2013-03-23 88 cafe563591446c Kent Overstreet 2013-03-23 89 for (i = 0; i < SB_JOURNAL_BUCKETS; i++) cafe563591446c Kent Overstreet 2013-03-23 90 sb->d[i] = le64_to_cpu(s->d[i]); cafe563591446c Kent Overstreet 2013-03-23 91 cafe563591446c Kent Overstreet 2013-03-23 92 pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u", cafe563591446c Kent Overstreet 2013-03-23 93 sb->version, sb->flags, sb->seq, sb->keys); cafe563591446c Kent Overstreet 2013-03-23 94 aaf8dbeab58657 Coly Li 2019-11-13 95 err = "Not a bcache superblock (bad offset)"; cafe563591446c Kent Overstreet 2013-03-23 96 if (sb->offset != SB_SECTOR) cafe563591446c Kent Overstreet 2013-03-23 97 goto err; cafe563591446c Kent Overstreet 2013-03-23 98 aaf8dbeab58657 Coly Li 2019-11-13 99 err = "Not a bcache superblock (bad magic)"; cafe563591446c Kent Overstreet 2013-03-23 100 if (memcmp(sb->magic, bcache_magic, 16)) cafe563591446c Kent Overstreet 2013-03-23 101 goto err; cafe563591446c Kent Overstreet 2013-03-23 102 cafe563591446c Kent Overstreet 2013-03-23 103 err = "Too many journal buckets"; cafe563591446c Kent Overstreet 2013-03-23 104 if (sb->keys > SB_JOURNAL_BUCKETS) cafe563591446c Kent Overstreet 2013-03-23 105 goto err; cafe563591446c Kent Overstreet 2013-03-23 106 cafe563591446c Kent Overstreet 2013-03-23 107 err = "Bad checksum"; cafe563591446c Kent Overstreet 2013-03-23 @108 if (s->csum != csum_set(s)) cafe563591446c Kent Overstreet 2013-03-23 109 goto err; cafe563591446c Kent Overstreet 2013-03-23 110 cafe563591446c Kent Overstreet 2013-03-23 111 err = "Bad UUID"; 169ef1cf6171d3 Kent Overstreet 2013-03-28 112 if (bch_is_zero(sb->uuid, 16)) cafe563591446c Kent Overstreet 2013-03-23 113 goto err; cafe563591446c Kent Overstreet 2013-03-23 114 8abb2a5dbadab9 Kent Overstreet 2013-04-23 115 sb->block_size = le16_to_cpu(s->block_size); 8abb2a5dbadab9 Kent Overstreet 2013-04-23 116 8abb2a5dbadab9 Kent Overstreet 2013-04-23 117 err = "Superblock block size smaller than device block size"; 8abb2a5dbadab9 Kent Overstreet 2013-04-23 118 if (sb->block_size << 9 < bdev_logical_block_size(bdev)) 8abb2a5dbadab9 Kent Overstreet 2013-04-23 119 goto err; 8abb2a5dbadab9 Kent Overstreet 2013-04-23 120 2903381fce7100 Kent Overstreet 2013-04-11 121 switch (sb->version) { 2903381fce7100 Kent Overstreet 2013-04-11 122 case BCACHE_SB_VERSION_BDEV: 2903381fce7100 Kent Overstreet 2013-04-11 123 sb->data_offset = BDEV_DATA_START_DEFAULT; 2903381fce7100 Kent Overstreet 2013-04-11 124 break; 2903381fce7100 Kent Overstreet 2013-04-11 125 case BCACHE_SB_VERSION_BDEV_WITH_OFFSET: 2903381fce7100 Kent Overstreet 2013-04-11 126 sb->data_offset = le64_to_cpu(s->data_offset); cafe563591446c Kent Overstreet 2013-03-23 127 2903381fce7100 Kent Overstreet 2013-04-11 128 err = "Bad data offset"; 2903381fce7100 Kent Overstreet 2013-04-11 129 if (sb->data_offset < BDEV_DATA_START_DEFAULT) cafe563591446c Kent Overstreet 2013-03-23 130 goto err; cafe563591446c Kent Overstreet 2013-03-23 131 2903381fce7100 Kent Overstreet 2013-04-11 132 break; 2903381fce7100 Kent Overstreet 2013-04-11 133 case BCACHE_SB_VERSION_CDEV: 2903381fce7100 Kent Overstreet 2013-04-11 134 case BCACHE_SB_VERSION_CDEV_WITH_UUID: 2903381fce7100 Kent Overstreet 2013-04-11 135 sb->nbuckets = le64_to_cpu(s->nbuckets); 2903381fce7100 Kent Overstreet 2013-04-11 136 sb->bucket_size = le16_to_cpu(s->bucket_size); 2903381fce7100 Kent Overstreet 2013-04-11 137 2903381fce7100 Kent Overstreet 2013-04-11 138 sb->nr_in_set = le16_to_cpu(s->nr_in_set); 2903381fce7100 Kent Overstreet 2013-04-11 139 sb->nr_this_dev = le16_to_cpu(s->nr_this_dev); 2903381fce7100 Kent Overstreet 2013-04-11 140 cafe563591446c Kent Overstreet 2013-03-23 141 err = "Too many buckets"; cafe563591446c Kent Overstreet 2013-03-23 142 if (sb->nbuckets > LONG_MAX) cafe563591446c Kent Overstreet 2013-03-23 143 goto err; cafe563591446c Kent Overstreet 2013-03-23 144 cafe563591446c Kent Overstreet 2013-03-23 145 err = "Not enough buckets"; cafe563591446c Kent Overstreet 2013-03-23 146 if (sb->nbuckets < 1 << 7) cafe563591446c Kent Overstreet 2013-03-23 147 goto err; cafe563591446c Kent Overstreet 2013-03-23 148 2903381fce7100 Kent Overstreet 2013-04-11 149 err = "Bad block/bucket size"; 2903381fce7100 Kent Overstreet 2013-04-11 150 if (!is_power_of_2(sb->block_size) || 2903381fce7100 Kent Overstreet 2013-04-11 151 sb->block_size > PAGE_SECTORS || 2903381fce7100 Kent Overstreet 2013-04-11 152 !is_power_of_2(sb->bucket_size) || 2903381fce7100 Kent Overstreet 2013-04-11 153 sb->bucket_size < PAGE_SECTORS) 2903381fce7100 Kent Overstreet 2013-04-11 154 goto err; 2903381fce7100 Kent Overstreet 2013-04-11 155 cafe563591446c Kent Overstreet 2013-03-23 156 err = "Invalid superblock: device too small"; b0d30981c05f32 Coly Li 2018-08-11 157 if (get_capacity(bdev->bd_disk) < b0d30981c05f32 Coly Li 2018-08-11 158 sb->bucket_size * sb->nbuckets) cafe563591446c Kent Overstreet 2013-03-23 159 goto err; cafe563591446c Kent Overstreet 2013-03-23 160 cafe563591446c Kent Overstreet 2013-03-23 161 err = "Bad UUID"; 169ef1cf6171d3 Kent Overstreet 2013-03-28 162 if (bch_is_zero(sb->set_uuid, 16)) cafe563591446c Kent Overstreet 2013-03-23 163 goto err; cafe563591446c Kent Overstreet 2013-03-23 164 cafe563591446c Kent Overstreet 2013-03-23 165 err = "Bad cache device number in set"; cafe563591446c Kent Overstreet 2013-03-23 166 if (!sb->nr_in_set || cafe563591446c Kent Overstreet 2013-03-23 167 sb->nr_in_set <= sb->nr_this_dev || cafe563591446c Kent Overstreet 2013-03-23 168 sb->nr_in_set > MAX_CACHES_PER_SET) cafe563591446c Kent Overstreet 2013-03-23 169 goto err; cafe563591446c Kent Overstreet 2013-03-23 170 cafe563591446c Kent Overstreet 2013-03-23 171 err = "Journal buckets not sequential"; cafe563591446c Kent Overstreet 2013-03-23 172 for (i = 0; i < sb->keys; i++) cafe563591446c Kent Overstreet 2013-03-23 173 if (sb->d[i] != sb->first_bucket + i) cafe563591446c Kent Overstreet 2013-03-23 174 goto err; cafe563591446c Kent Overstreet 2013-03-23 175 cafe563591446c Kent Overstreet 2013-03-23 176 err = "Too many journal buckets"; cafe563591446c Kent Overstreet 2013-03-23 177 if (sb->first_bucket + sb->keys > sb->nbuckets) cafe563591446c Kent Overstreet 2013-03-23 178 goto err; cafe563591446c Kent Overstreet 2013-03-23 179 cafe563591446c Kent Overstreet 2013-03-23 180 err = "Invalid superblock: first bucket comes before end of super"; cafe563591446c Kent Overstreet 2013-03-23 181 if (sb->first_bucket * sb->bucket_size < 16) cafe563591446c Kent Overstreet 2013-03-23 182 goto err; 2903381fce7100 Kent Overstreet 2013-04-11 183 2903381fce7100 Kent Overstreet 2013-04-11 184 break; 2903381fce7100 Kent Overstreet 2013-04-11 185 default: 2903381fce7100 Kent Overstreet 2013-04-11 186 err = "Unsupported superblock version"; 2903381fce7100 Kent Overstreet 2013-04-11 187 goto err; 2903381fce7100 Kent Overstreet 2013-04-11 188 } 2903381fce7100 Kent Overstreet 2013-04-11 189 75cbb3f1d84042 Arnd Bergmann 2018-07-26 190 sb->last_mount = (u32)ktime_get_real_seconds(); cafe563591446c Kent Overstreet 2013-03-23 191 err = NULL; cafe563591446c Kent Overstreet 2013-03-23 192 cafe563591446c Kent Overstreet 2013-03-23 193 get_page(bh->b_page); cafe563591446c Kent Overstreet 2013-03-23 194 *res = bh->b_page; cafe563591446c Kent Overstreet 2013-03-23 195 err: cafe563591446c Kent Overstreet 2013-03-23 196 put_bh(bh); cafe563591446c Kent Overstreet 2013-03-23 197 return err; cafe563591446c Kent Overstreet 2013-03-23 198 } cafe563591446c Kent Overstreet 2013-03-23 199 4246a0b63bd8f5 Christoph Hellwig 2015-07-20 200 static void write_bdev_super_endio(struct bio *bio) cafe563591446c Kent Overstreet 2013-03-23 201 { cafe563591446c Kent Overstreet 2013-03-23 202 struct cached_dev *dc = bio->bi_private; 08ec1e6282f271 Coly Li 2019-06-28 203 08ec1e6282f271 Coly Li 2019-06-28 204 if (bio->bi_status) 08ec1e6282f271 Coly Li 2019-06-28 205 bch_count_backing_io_errors(dc, bio); cafe563591446c Kent Overstreet 2013-03-23 206 cb7a583e6a6ace Kent Overstreet 2013-12-16 207 closure_put(&dc->sb_write); cafe563591446c Kent Overstreet 2013-03-23 208 } cafe563591446c Kent Overstreet 2013-03-23 209 cafe563591446c Kent Overstreet 2013-03-23 210 static void __write_super(struct cache_sb *sb, struct bio *bio) cafe563591446c Kent Overstreet 2013-03-23 211 { a702a692cd7559 Christoph Hellwig 2020-01-24 212 struct cache_sb_disk *out = page_address(bio_first_page_all(bio)); 6f10f7d1b02b1b Coly Li 2018-08-11 213 unsigned int i; cafe563591446c Kent Overstreet 2013-03-23 214 4f024f3797c43c Kent Overstreet 2013-10-11 215 bio->bi_iter.bi_sector = SB_SECTOR; 4f024f3797c43c Kent Overstreet 2013-10-11 216 bio->bi_iter.bi_size = SB_SIZE; ad0d9e76a41247 Mike Christie 2016-06-05 217 bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC|REQ_META); 169ef1cf6171d3 Kent Overstreet 2013-03-28 218 bch_bio_map(bio, NULL); cafe563591446c Kent Overstreet 2013-03-23 219 cafe563591446c Kent Overstreet 2013-03-23 220 out->offset = cpu_to_le64(sb->offset); cafe563591446c Kent Overstreet 2013-03-23 221 out->version = cpu_to_le64(sb->version); cafe563591446c Kent Overstreet 2013-03-23 222 cafe563591446c Kent Overstreet 2013-03-23 223 memcpy(out->uuid, sb->uuid, 16); cafe563591446c Kent Overstreet 2013-03-23 224 memcpy(out->set_uuid, sb->set_uuid, 16); cafe563591446c Kent Overstreet 2013-03-23 225 memcpy(out->label, sb->label, SB_LABEL_SIZE); cafe563591446c Kent Overstreet 2013-03-23 226 cafe563591446c Kent Overstreet 2013-03-23 227 out->flags = cpu_to_le64(sb->flags); cafe563591446c Kent Overstreet 2013-03-23 228 out->seq = cpu_to_le64(sb->seq); cafe563591446c Kent Overstreet 2013-03-23 229 cafe563591446c Kent Overstreet 2013-03-23 230 out->last_mount = cpu_to_le32(sb->last_mount); cafe563591446c Kent Overstreet 2013-03-23 231 out->first_bucket = cpu_to_le16(sb->first_bucket); cafe563591446c Kent Overstreet 2013-03-23 232 out->keys = cpu_to_le16(sb->keys); cafe563591446c Kent Overstreet 2013-03-23 233 cafe563591446c Kent Overstreet 2013-03-23 234 for (i = 0; i < sb->keys; i++) cafe563591446c Kent Overstreet 2013-03-23 235 out->d[i] = cpu_to_le64(sb->d[i]); cafe563591446c Kent Overstreet 2013-03-23 236 cafe563591446c Kent Overstreet 2013-03-23 @237 out->csum = csum_set(out); cafe563591446c Kent Overstreet 2013-03-23 238 cafe563591446c Kent Overstreet 2013-03-23 239 pr_debug("ver %llu, flags %llu, seq %llu", cafe563591446c Kent Overstreet 2013-03-23 240 sb->version, sb->flags, sb->seq); cafe563591446c Kent Overstreet 2013-03-23 241 4e49ea4a3d2763 Mike Christie 2016-06-05 242 submit_bio(bio); cafe563591446c Kent Overstreet 2013-03-23 243 } cafe563591446c Kent Overstreet 2013-03-23 244 :::::: The code at line 108 was first introduced by commit :::::: cafe563591446cf80bfbc2fe3bc72a2e36cf1060 bcache: A block layer cache :::::: TO: Kent Overstreet :::::: CC: Kent Overstreet -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki