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Message-ID: <202407221208.6SSBeN9H-lkp@intel.com>
Date: Mon, 22 Jul 2024 12:38:31 +0800
From: kernel test robot <lkp@...el.com>
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Huacai Chen <chenhuacai@...nel.org>,
Jinyang He <hejinyang@...ngson.cn>,
Youling Tang <tangyouling@...ngson.cn>
Subject: arch/loongarch/kernel/alternative.o: warning: objtool:
apply_alternatives+0xa0: unreachable instruction
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7846b618e0a4c3e08888099d1d4512722b39ca99
commit: cb8a2ef0848ca80d67d6d56e2df757cfdf6b3355 LoongArch: Add ORC stack unwinder support
date: 4 months ago
config: loongarch-randconfig-001-20240722 (https://download.01.org/0day-ci/archive/20240722/202407221208.6SSBeN9H-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240722/202407221208.6SSBeN9H-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/202407221208.6SSBeN9H-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> fs/9p/vfs_file.o: warning: objtool: v9fs_file_do_lock+0x64: unreachable instruction
--
>> fs/iomap/buffered-io.o: warning: objtool: iomap_write_begin+0x80: unreachable instruction
--
>> kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets+0xc8: unreachable instruction
>> kernel/cgroup/cgroup.o: warning: objtool: cgroup_setup_root+0x2dc: unreachable instruction
>> kernel/cgroup/cgroup.o: warning: objtool: cgroup_destroy_root+0x4c: unreachable instruction
>> kernel/cgroup/cgroup.o: warning: objtool: cgroup_init_subsys+0x98: unreachable instruction
>> kernel/cgroup/cgroup.o: warning: objtool: cgroup_init+0x50: unreachable instruction
--
drivers/target/target_core_transport.c: In function 'transport_dump_vpd_ident':
drivers/target/target_core_transport.c:1263:59: warning: '%s' directive output may be truncated writing up to 253 bytes into a region of size 221 [-Wformat-truncation=]
1263 | "T10 VPD ASCII Device Identifier: %s\n",
| ^~
drivers/target/target_core_transport.c:1262:17: note: 'snprintf' output between 35 and 288 bytes into a destination of size 254
1262 | snprintf(buf, sizeof(buf),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1263 | "T10 VPD ASCII Device Identifier: %s\n",
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1264 | &vpd->device_identifier[0]);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/target/target_core_transport.c:1268:59: warning: '%s' directive output may be truncated writing up to 253 bytes into a region of size 221 [-Wformat-truncation=]
1268 | "T10 VPD UTF-8 Device Identifier: %s\n",
| ^~
drivers/target/target_core_transport.c:1267:17: note: 'snprintf' output between 35 and 288 bytes into a destination of size 254
1267 | snprintf(buf, sizeof(buf),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1268 | "T10 VPD UTF-8 Device Identifier: %s\n",
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1269 | &vpd->device_identifier[0]);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/target/target_core_transport.c:1258:60: warning: '%s' directive output may be truncated writing up to 253 bytes into a region of size 220 [-Wformat-truncation=]
1258 | "T10 VPD Binary Device Identifier: %s\n",
| ^~
drivers/target/target_core_transport.c:1257:17: note: 'snprintf' output between 36 and 289 bytes into a destination of size 254
1257 | snprintf(buf, sizeof(buf),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1258 | "T10 VPD Binary Device Identifier: %s\n",
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1259 | &vpd->device_identifier[0]);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/target/target_core_transport.o: warning: objtool: target_init_cmd+0x60: unreachable instruction
--
>> drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread+0x2bc: unreachable instruction
--
>> drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob+0xa4: unreachable instruction
>> drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_transfer_oob+0x94: unreachable instruction
--
>> drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr+0x78: unreachable instruction
--
>> fs/f2fs/inode.o: warning: objtool: __f2fs_crc32.isra.0+0x54: unreachable instruction
>> fs/f2fs/inode.o: warning: objtool: f2fs_evict_inode+0x110: unreachable instruction
--
>> fs/f2fs/node.o: warning: objtool: set_node_addr+0xc0: unreachable instruction
>> fs/f2fs/node.o: warning: objtool: __flush_nat_entry_set.isra.0+0x170: unreachable instruction
>> fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks+0x250: unreachable instruction
>> fs/f2fs/node.o: warning: objtool: f2fs_alloc_nid+0xc4: unreachable instruction
>> fs/f2fs/node.o: warning: objtool: f2fs_alloc_nid_failed+0x60: unreachable instruction
>> fs/f2fs/node.o: warning: objtool: f2fs_destroy_node_manager+0xcc: unreachable instruction
--
>> fs/f2fs/segment.o: warning: objtool: get_new_segment+0x14c: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: current_sit_addr.isra.0+0x50: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: __locate_dirty_segment+0x11c: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: update_sit_entry+0x15c: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: __submit_discard_cmd+0x1f4: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: __issue_discard_cmd+0x15c: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: f2fs_allocate_data_block+0x124: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: f2fs_do_replace_block+0x254: unreachable instruction
>> fs/f2fs/segment.o: warning: objtool: f2fs_flush_sit_entries+0x340: unreachable instruction
--
fs/f2fs/data.o: warning: objtool: f2fs_submit_write_bio+0xe8: unreachable instruction
>> fs/f2fs/data.o: warning: objtool: f2fs_merge_page_bio+0x1a4: unreachable instruction
..
objdump-func vmlinux.o apply_alternatives:
--
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https://github.com/intel/lkp-tests/wiki
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