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Message-ID: <202401282019.lvlmRwlL-lkp@intel.com> Date: Sun, 28 Jan 2024 21:10:06 +0800 From: kernel test robot <lkp@...el.com> To: Byungchul Park <byungchul@...com>, linux-kernel@...r.kernel.org Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, kernel_team@...ynix.com, torvalds@...ux-foundation.org, damien.lemoal@...nsource.wdc.com, linux-ide@...r.kernel.org, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org, mingo@...hat.com, peterz@...radead.org, will@...nel.org, tglx@...utronix.de, rostedt@...dmis.org, joel@...lfernandes.org, sashal@...nel.org, daniel.vetter@...ll.ch, duyuyang@...il.com, johannes.berg@...el.com, tj@...nel.org, tytso@....edu, willy@...radead.org, david@...morbit.com, amir73il@...il.com, gregkh@...uxfoundation.org, kernel-team@....com, linux-mm@...ck.org, akpm@...ux-foundation.org, mhocko@...nel.org, minchan@...nel.org, hannes@...xchg.org, vdavydov.dev@...il.com Subject: Re: [PATCH v11 05/26] dept: Tie to Lockdep and IRQ tracing Hi Byungchul, kernel test robot noticed the following build warnings: [auto build test WARNING on 0dd3ee31125508cd67f7e7172247f05b7fd1753a] url: https://github.com/intel-lab-lkp/linux/commits/Byungchul-Park/llist-Move-llist_-head-node-definition-to-types-h/20240124-200243 base: 0dd3ee31125508cd67f7e7172247f05b7fd1753a patch link: https://lore.kernel.org/r/20240124115938.80132-6-byungchul%40sk.com patch subject: [PATCH v11 05/26] dept: Tie to Lockdep and IRQ tracing config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240128/202401282019.lvlmRwlL-lkp@intel.com/config) compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project a31a60074717fc40887cfe132b77eec93bedd307) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240128/202401282019.lvlmRwlL-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@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202401282019.lvlmRwlL-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: 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:12: 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:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | 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] 560 | 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' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: 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:12: 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:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | 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' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: 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:12: 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:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __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] 594 | __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] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ In file included from fs/ext4/mballoc.c:7000: >> fs/ext4/mballoc-test.c:246:13: warning: stack frame size (1288) exceeds limit (1024) in 'test_new_blocks_simple' [-Wframe-larger-than] 246 | static void test_new_blocks_simple(struct kunit *test) | ^ 7 warnings generated. -- >> drivers/gpu/drm/tests/drm_exec_test.c:150:13: warning: stack frame size (1064) exceeds limit (1024) in 'test_prepare_array' [-Wframe-larger-than] 150 | static void test_prepare_array(struct kunit *test) | ^ 1 warning generated. -- In file included from drivers/net/ethernet/microchip/vcap/vcap_api.c:9: In file included from drivers/net/ethernet/microchip/vcap/vcap_api_private.h:11: In file included from drivers/net/ethernet/microchip/vcap/vcap_api.h:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: 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:12: 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:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | 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] 560 | 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' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/net/ethernet/microchip/vcap/vcap_api.c:9: In file included from drivers/net/ethernet/microchip/vcap/vcap_api_private.h:11: In file included from drivers/net/ethernet/microchip/vcap/vcap_api.h:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: 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:12: 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:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | 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' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/net/ethernet/microchip/vcap/vcap_api.c:9: In file included from drivers/net/ethernet/microchip/vcap/vcap_api_private.h:11: In file included from drivers/net/ethernet/microchip/vcap/vcap_api.h:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: 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:12: 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:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __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] 594 | __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] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ In file included from drivers/net/ethernet/microchip/vcap/vcap_api.c:3598: >> drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:1926:13: warning: stack frame size (1296) exceeds limit (1024) in 'vcap_api_next_lookup_advanced_test' [-Wframe-larger-than] 1926 | static void vcap_api_next_lookup_advanced_test(struct kunit *test) | ^ 7 warnings generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS [=n] Selected by [y]: - DEPT [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y] && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86 vim +/test_new_blocks_simple +246 fs/ext4/mballoc-test.c 7c9fa399a36954 Kemeng Shi 2023-09-29 245 7c9fa399a36954 Kemeng Shi 2023-09-29 @246 static void test_new_blocks_simple(struct kunit *test) 7c9fa399a36954 Kemeng Shi 2023-09-29 247 { 7c9fa399a36954 Kemeng Shi 2023-09-29 248 struct super_block *sb = (struct super_block *)test->priv; 7c9fa399a36954 Kemeng Shi 2023-09-29 249 struct inode inode = { .i_sb = sb, }; 7c9fa399a36954 Kemeng Shi 2023-09-29 250 struct ext4_allocation_request ar; 7c9fa399a36954 Kemeng Shi 2023-09-29 251 ext4_group_t i, goal_group = TEST_GOAL_GROUP; 7c9fa399a36954 Kemeng Shi 2023-09-29 252 int err = 0; 7c9fa399a36954 Kemeng Shi 2023-09-29 253 ext4_fsblk_t found; 7c9fa399a36954 Kemeng Shi 2023-09-29 254 struct ext4_sb_info *sbi = EXT4_SB(sb); 7c9fa399a36954 Kemeng Shi 2023-09-29 255 7c9fa399a36954 Kemeng Shi 2023-09-29 256 ar.inode = &inode; 7c9fa399a36954 Kemeng Shi 2023-09-29 257 7c9fa399a36954 Kemeng Shi 2023-09-29 258 /* get block at goal */ 7c9fa399a36954 Kemeng Shi 2023-09-29 259 ar.goal = ext4_group_first_block_no(sb, goal_group); 7c9fa399a36954 Kemeng Shi 2023-09-29 260 found = ext4_mb_new_blocks_simple(&ar, &err); 7c9fa399a36954 Kemeng Shi 2023-09-29 261 KUNIT_ASSERT_EQ_MSG(test, ar.goal, found, 7c9fa399a36954 Kemeng Shi 2023-09-29 262 "failed to alloc block at goal, expected %llu found %llu", 7c9fa399a36954 Kemeng Shi 2023-09-29 263 ar.goal, found); 7c9fa399a36954 Kemeng Shi 2023-09-29 264 7c9fa399a36954 Kemeng Shi 2023-09-29 265 /* get block after goal in goal group */ 7c9fa399a36954 Kemeng Shi 2023-09-29 266 ar.goal = ext4_group_first_block_no(sb, goal_group); 7c9fa399a36954 Kemeng Shi 2023-09-29 267 found = ext4_mb_new_blocks_simple(&ar, &err); 7c9fa399a36954 Kemeng Shi 2023-09-29 268 KUNIT_ASSERT_EQ_MSG(test, ar.goal + EXT4_C2B(sbi, 1), found, 7c9fa399a36954 Kemeng Shi 2023-09-29 269 "failed to alloc block after goal in goal group, expected %llu found %llu", 7c9fa399a36954 Kemeng Shi 2023-09-29 270 ar.goal + 1, found); 7c9fa399a36954 Kemeng Shi 2023-09-29 271 7c9fa399a36954 Kemeng Shi 2023-09-29 272 /* get block after goal group */ 7c9fa399a36954 Kemeng Shi 2023-09-29 273 mbt_ctx_mark_used(sb, goal_group, 0, EXT4_CLUSTERS_PER_GROUP(sb)); 7c9fa399a36954 Kemeng Shi 2023-09-29 274 ar.goal = ext4_group_first_block_no(sb, goal_group); 7c9fa399a36954 Kemeng Shi 2023-09-29 275 found = ext4_mb_new_blocks_simple(&ar, &err); 7c9fa399a36954 Kemeng Shi 2023-09-29 276 KUNIT_ASSERT_EQ_MSG(test, 7c9fa399a36954 Kemeng Shi 2023-09-29 277 ext4_group_first_block_no(sb, goal_group + 1), found, 7c9fa399a36954 Kemeng Shi 2023-09-29 278 "failed to alloc block after goal group, expected %llu found %llu", 7c9fa399a36954 Kemeng Shi 2023-09-29 279 ext4_group_first_block_no(sb, goal_group + 1), found); 7c9fa399a36954 Kemeng Shi 2023-09-29 280 7c9fa399a36954 Kemeng Shi 2023-09-29 281 /* get block before goal group */ 7c9fa399a36954 Kemeng Shi 2023-09-29 282 for (i = goal_group; i < ext4_get_groups_count(sb); i++) 7c9fa399a36954 Kemeng Shi 2023-09-29 283 mbt_ctx_mark_used(sb, i, 0, EXT4_CLUSTERS_PER_GROUP(sb)); 7c9fa399a36954 Kemeng Shi 2023-09-29 284 ar.goal = ext4_group_first_block_no(sb, goal_group); 7c9fa399a36954 Kemeng Shi 2023-09-29 285 found = ext4_mb_new_blocks_simple(&ar, &err); 7c9fa399a36954 Kemeng Shi 2023-09-29 286 KUNIT_ASSERT_EQ_MSG(test, 7c9fa399a36954 Kemeng Shi 2023-09-29 287 ext4_group_first_block_no(sb, 0) + EXT4_C2B(sbi, 1), found, 7c9fa399a36954 Kemeng Shi 2023-09-29 288 "failed to alloc block before goal group, expected %llu found %llu", 7c9fa399a36954 Kemeng Shi 2023-09-29 289 ext4_group_first_block_no(sb, 0 + EXT4_C2B(sbi, 1)), found); 7c9fa399a36954 Kemeng Shi 2023-09-29 290 7c9fa399a36954 Kemeng Shi 2023-09-29 291 /* no block available, fail to allocate block */ 7c9fa399a36954 Kemeng Shi 2023-09-29 292 for (i = 0; i < ext4_get_groups_count(sb); i++) 7c9fa399a36954 Kemeng Shi 2023-09-29 293 mbt_ctx_mark_used(sb, i, 0, EXT4_CLUSTERS_PER_GROUP(sb)); 7c9fa399a36954 Kemeng Shi 2023-09-29 294 ar.goal = ext4_group_first_block_no(sb, goal_group); 7c9fa399a36954 Kemeng Shi 2023-09-29 295 found = ext4_mb_new_blocks_simple(&ar, &err); 7c9fa399a36954 Kemeng Shi 2023-09-29 296 KUNIT_ASSERT_NE_MSG(test, err, 0, 7c9fa399a36954 Kemeng Shi 2023-09-29 297 "unexpectedly get block when no block is available"); 7c9fa399a36954 Kemeng Shi 2023-09-29 298 } 7c9fa399a36954 Kemeng Shi 2023-09-29 299 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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