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d="scan'208";a="10430371" Received: from igk-lkp-server01.igk.intel.com (HELO 1073a420ae3a) ([10.211.93.152]) by fmviesa012.fm.intel.com with ESMTP; 12 Nov 2026 08:44:55 -0800 Received: from kbuild by 1073a420ae3a with local (Exim 4.98.2) (envelope-from ) id 1xRXuu-000000000v9-24vK; Thu, 12 Nov 2026 16:44:52 +0000 Date: Thu, 12 Nov 2026 17:44:29 +0100 From: kernel test robot To: "Theodore Ts'o" Cc: oe-kbuild-all@lists.linux.dev, linux-ext4@vger.kernel.org Subject: [tytso-ext4:pu 16/50] fs/ext4/namei-test.c:2229:1: warning: the frame size of 1856 bytes is larger than 1536 bytes Message-ID: <202611121731.hU760S80-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git pu head: 246d715a48c25a74ac372dda5e10d8f69f89b50a commit: 5fd9232f9345a5b0a0a0e9132dc439658d2a42db [16/50] ext4: enable full feature coverage in fs/ext4/.kunitconfig config: xtensa-allmodconfig (https://download.01.org/0day-ci/archive/20261112/202611121731.hU760S80-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 16.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261112/202611121731.hU760S80-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/202611121731.hU760S80-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/ext4/namei-test.c: In function 'test_namei_rename_and_exchange': >> fs/ext4/namei-test.c:2229:1: warning: the frame size of 1856 bytes is larger than 1536 bytes [-Wframe-larger-than=] 2229 | } | ^ vim +2229 fs/ext4/namei-test.c 171d9555beee6b Theodore Ts'o 2026-11-05 2082 171d9555beee6b Theodore Ts'o 2026-11-05 2083 /* 171d9555beee6b Theodore Ts'o 2026-11-05 2084 * Test 14: Rename, overwrite rename, cross-directory subdirectory rename, 171d9555beee6b Theodore Ts'o 2026-11-05 2085 * RENAME_EXCHANGE (ext4_cross_rename), and slow symlink block initialization 171d9555beee6b Theodore Ts'o 2026-11-05 2086 * (ext4_init_symlink_block_test). 171d9555beee6b Theodore Ts'o 2026-11-05 2087 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2088 static void test_namei_rename_and_exchange(struct kunit *test) 171d9555beee6b Theodore Ts'o 2026-11-05 2089 { 171d9555beee6b Theodore Ts'o 2026-11-05 2090 struct namei_test_ctx *ctx = test->priv; 171d9555beee6b Theodore Ts'o 2026-11-05 2091 struct inode *root_dir = get_mock_inode(ctx, TEST_ROOT_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2092 struct inode *dir1 = get_mock_inode(ctx, TEST_DIR_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2093 struct inode *dir2 = get_mock_inode(ctx, TEST_DIR2_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2094 struct inode *subdir = get_mock_inode(ctx, TEST_SUBDIR_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2095 struct inode *file1 = get_mock_inode(ctx, TEST_FILE1_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2096 struct inode *file2 = get_mock_inode(ctx, TEST_FILE2_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2097 struct inode *symlink_inode = get_mock_inode(ctx, TEST_FILE3_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2098 struct dentry d1_dentry, d2_dentry; 171d9555beee6b Theodore Ts'o 2026-11-05 2099 struct dentry old_dentry, new_dentry, sub_dentry; 171d9555beee6b Theodore Ts'o 2026-11-05 2100 struct buffer_head *bh; 171d9555beee6b Theodore Ts'o 2026-11-05 2101 struct ext4_dir_entry_2 *de = NULL; 171d9555beee6b Theodore Ts'o 2026-11-05 2102 const char *sym_target = "/very/long/symlink/target/path/for/ext4/test"; 171d9555beee6b Theodore Ts'o 2026-11-05 2103 struct fscrypt_str disk_link = { 171d9555beee6b Theodore Ts'o 2026-11-05 2104 .name = (unsigned char *)sym_target, 171d9555beee6b Theodore Ts'o 2026-11-05 2105 .len = strlen(sym_target) + 1, 171d9555beee6b Theodore Ts'o 2026-11-05 2106 }; 171d9555beee6b Theodore Ts'o 2026-11-05 2107 int err; 171d9555beee6b Theodore Ts'o 2026-11-05 2108 171d9555beee6b Theodore Ts'o 2026-11-05 2109 ctx->es.s_feature_ro_compat |= 171d9555beee6b Theodore Ts'o 2026-11-05 2110 cpu_to_le32(EXT4_FEATURE_RO_COMPAT_METADATA_CSUM); 171d9555beee6b Theodore Ts'o 2026-11-05 2111 171d9555beee6b Theodore Ts'o 2026-11-05 2112 KUNIT_ASSERT_EQ(test, ext4_init_new_dir(NULL, root_dir, dir1), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2113 KUNIT_ASSERT_EQ(test, ext4_init_new_dir(NULL, root_dir, dir2), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2114 KUNIT_ASSERT_EQ(test, ext4_init_new_dir(NULL, dir1, subdir), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2115 set_nlink(dir1, 3); /* '.', '..', and subdir */ 171d9555beee6b Theodore Ts'o 2026-11-05 2116 set_nlink(dir2, 2); 171d9555beee6b Theodore Ts'o 2026-11-05 2117 171d9555beee6b Theodore Ts'o 2026-11-05 2118 init_mock_dentry(&d1_dentry, NULL, "dir1", dir1, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2119 init_mock_dentry(&d2_dentry, NULL, "dir2", dir2, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2120 171d9555beee6b Theodore Ts'o 2026-11-05 2121 /* Invalid rename flags are rejected with -EINVAL */ 171d9555beee6b Theodore Ts'o 2026-11-05 2122 init_mock_dentry(&old_dentry, &d1_dentry, "f1", file1, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2123 init_mock_dentry(&new_dentry, &d1_dentry, "f1_new", NULL, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2124 KUNIT_EXPECT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2125 ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2126 &old_dentry, dir1, &new_dentry, ~0U), -EINVAL); 171d9555beee6b Theodore Ts'o 2026-11-05 2127 171d9555beee6b Theodore Ts'o 2026-11-05 2128 /* Add f1 and f2 in dir1, and subdir in dir1 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2129 KUNIT_ASSERT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2130 ext4_add_entry_test(NULL, &old_dentry, file1), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2131 init_mock_dentry(&sub_dentry, &d1_dentry, "sub", subdir, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2132 KUNIT_ASSERT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2133 ext4_add_entry_test(NULL, &sub_dentry, subdir), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2134 171d9555beee6b Theodore Ts'o 2026-11-05 2135 /* 1) Same-directory rename: f1 -> f1_renamed */ 171d9555beee6b Theodore Ts'o 2026-11-05 2136 err = ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2137 &old_dentry, dir1, &new_dentry, 171d9555beee6b Theodore Ts'o 2026-11-05 2138 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2139 KUNIT_ASSERT_EQ(test, err, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2140 KUNIT_EXPECT_NULL(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2141 ext4_find_entry_test(dir1, &old_dentry.d_name, &de, NULL)); 171d9555beee6b Theodore Ts'o 2026-11-05 2142 bh = ext4_find_entry_test(dir1, &new_dentry.d_name, &de, NULL); 171d9555beee6b Theodore Ts'o 2026-11-05 2143 KUNIT_ASSERT_FALSE(test, IS_ERR_OR_NULL(bh)); 171d9555beee6b Theodore Ts'o 2026-11-05 2144 KUNIT_EXPECT_EQ(test, le32_to_cpu(de->inode), TEST_FILE1_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2145 brelse(bh); 171d9555beee6b Theodore Ts'o 2026-11-05 2146 171d9555beee6b Theodore Ts'o 2026-11-05 2147 /* 2) Overwrite rename: f1_renamed overwrites existing f2 in dir1 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2148 init_mock_dentry(&old_dentry, &d1_dentry, "f1_new", file1, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2149 init_mock_dentry(&new_dentry, &d1_dentry, "f2", file2, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2150 KUNIT_ASSERT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2151 ext4_add_entry_test(NULL, &new_dentry, file2), 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2152 ctx->orphan_add_calls = 0; 171d9555beee6b Theodore Ts'o 2026-11-05 2153 err = ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2154 &old_dentry, dir1, &new_dentry, 171d9555beee6b Theodore Ts'o 2026-11-05 2155 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2156 KUNIT_ASSERT_EQ(test, err, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2157 KUNIT_EXPECT_EQ(test, file2->i_nlink, 0U); 171d9555beee6b Theodore Ts'o 2026-11-05 2158 KUNIT_EXPECT_EQ(test, ctx->orphan_add_calls, 1U); 171d9555beee6b Theodore Ts'o 2026-11-05 2159 KUNIT_EXPECT_EQ(test, ctx->last_orphan_add_ino, TEST_FILE2_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2160 171d9555beee6b Theodore Ts'o 2026-11-05 2161 /* 3) Cross-directory subdir move: dir1/sub -> dir2/sub_moved */ 171d9555beee6b Theodore Ts'o 2026-11-05 2162 init_mock_dentry(&new_dentry, &d2_dentry, "sub_moved", NULL, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2163 err = ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2164 &sub_dentry, dir2, &new_dentry, 171d9555beee6b Theodore Ts'o 2026-11-05 2165 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2166 KUNIT_ASSERT_EQ(test, err, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2167 KUNIT_EXPECT_EQ(test, dir1->i_nlink, 2U); 171d9555beee6b Theodore Ts'o 2026-11-05 2168 KUNIT_EXPECT_EQ(test, dir2->i_nlink, 3U); 171d9555beee6b Theodore Ts'o 2026-11-05 2169 171d9555beee6b Theodore Ts'o 2026-11-05 2170 /* Verify subdir's '..' now points to dir2 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2171 bh = map_and_get_dir_bh(ctx, subdir, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2172 de = ext4_next_entry((struct ext4_dir_entry_2 *)bh->b_data, 171d9555beee6b Theodore Ts'o 2026-11-05 2173 TEST_BLK_SIZE); 171d9555beee6b Theodore Ts'o 2026-11-05 2174 KUNIT_EXPECT_EQ(test, le32_to_cpu(de->inode), TEST_DIR2_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2175 171d9555beee6b Theodore Ts'o 2026-11-05 2176 /* 171d9555beee6b Theodore Ts'o 2026-11-05 2177 * 4) RENAME_EXCHANGE (ext4_cross_rename): exchange regular file 171d9555beee6b Theodore Ts'o 2026-11-05 2178 * dir1/f2 with directory dir2/sub_moved across parents! 171d9555beee6b Theodore Ts'o 2026-11-05 2179 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2180 init_mock_dentry(&old_dentry, &d1_dentry, "f2", file1, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2181 init_mock_dentry(&new_dentry, &d2_dentry, "sub_moved", subdir, 171d9555beee6b Theodore Ts'o 2026-11-05 2182 &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2183 171d9555beee6b Theodore Ts'o 2026-11-05 2184 /* Cross-project RENAME_EXCHANGE and normal rename return -EXDEV */ 171d9555beee6b Theodore Ts'o 2026-11-05 2185 ext4_set_inode_flag(dir2, EXT4_INODE_PROJINHERIT); 171d9555beee6b Theodore Ts'o 2026-11-05 2186 EXT4_I(dir2)->i_projid = make_kprojid(&init_user_ns, 77); 171d9555beee6b Theodore Ts'o 2026-11-05 2187 KUNIT_EXPECT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2188 ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2189 &old_dentry, dir2, &new_dentry, RENAME_EXCHANGE), 171d9555beee6b Theodore Ts'o 2026-11-05 2190 -EXDEV); 171d9555beee6b Theodore Ts'o 2026-11-05 2191 KUNIT_EXPECT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2192 ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2193 &old_dentry, dir2, &new_dentry, 0), 171d9555beee6b Theodore Ts'o 2026-11-05 2194 -EXDEV); 171d9555beee6b Theodore Ts'o 2026-11-05 2195 ext4_clear_inode_flag(dir2, EXT4_INODE_PROJINHERIT); 171d9555beee6b Theodore Ts'o 2026-11-05 2196 EXT4_I(dir2)->i_projid = make_kprojid(&init_user_ns, EXT4_DEF_PROJID); 171d9555beee6b Theodore Ts'o 2026-11-05 2197 171d9555beee6b Theodore Ts'o 2026-11-05 2198 err = ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir1, 171d9555beee6b Theodore Ts'o 2026-11-05 2199 &old_dentry, dir2, &new_dentry, 171d9555beee6b Theodore Ts'o 2026-11-05 2200 RENAME_EXCHANGE); 171d9555beee6b Theodore Ts'o 2026-11-05 2201 KUNIT_ASSERT_EQ(test, err, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2202 KUNIT_EXPECT_EQ(test, dir1->i_nlink, 3U); 171d9555beee6b Theodore Ts'o 2026-11-05 2203 KUNIT_EXPECT_EQ(test, dir2->i_nlink, 2U); 171d9555beee6b Theodore Ts'o 2026-11-05 2204 de = ext4_next_entry((struct ext4_dir_entry_2 *)bh->b_data, 171d9555beee6b Theodore Ts'o 2026-11-05 2205 TEST_BLK_SIZE); 171d9555beee6b Theodore Ts'o 2026-11-05 2206 KUNIT_EXPECT_EQ(test, le32_to_cpu(de->inode), TEST_DIR_INO); 171d9555beee6b Theodore Ts'o 2026-11-05 2207 171d9555beee6b Theodore Ts'o 2026-11-05 2208 /* 171d9555beee6b Theodore Ts'o 2026-11-05 2209 * Overwriting a target inode whose i_nlink == 0 returns -EFSCORRUPTED 171d9555beee6b Theodore Ts'o 2026-11-05 2210 * (in dir2, "sub_moved" now points to file1 after the exchange). 171d9555beee6b Theodore Ts'o 2026-11-05 2211 */ 171d9555beee6b Theodore Ts'o 2026-11-05 2212 init_mock_dentry(&old_dentry, &d1_dentry, "f2", subdir, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2213 init_mock_dentry(&new_dentry, &d2_dentry, "sub_moved", file1, &ctx->sb); 171d9555beee6b Theodore Ts'o 2026-11-05 2214 set_nlink(file1, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2215 KUNIT_EXPECT_EQ(test, 171d9555beee6b Theodore Ts'o 2026-11-05 2216 ext4_dir_inode_operations.rename(&nop_mnt_idmap, dir2, 171d9555beee6b Theodore Ts'o 2026-11-05 2217 &new_dentry, dir2, &new_dentry, 0), 171d9555beee6b Theodore Ts'o 2026-11-05 2218 -EFSCORRUPTED); 171d9555beee6b Theodore Ts'o 2026-11-05 2219 set_nlink(file1, 1); 171d9555beee6b Theodore Ts'o 2026-11-05 2220 171d9555beee6b Theodore Ts'o 2026-11-05 2221 /* 5) Test ext4_init_symlink_block_test */ 171d9555beee6b Theodore Ts'o 2026-11-05 2222 err = ext4_init_symlink_block_test(NULL, symlink_inode, &disk_link); 171d9555beee6b Theodore Ts'o 2026-11-05 2223 KUNIT_ASSERT_EQ(test, err, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2224 KUNIT_EXPECT_EQ(test, symlink_inode->i_size, 171d9555beee6b Theodore Ts'o 2026-11-05 2225 (loff_t)strlen(sym_target)); 171d9555beee6b Theodore Ts'o 2026-11-05 2226 bh = map_and_get_dir_bh(ctx, symlink_inode, 0); 171d9555beee6b Theodore Ts'o 2026-11-05 2227 KUNIT_ASSERT_NOT_NULL(test, bh); 171d9555beee6b Theodore Ts'o 2026-11-05 2228 KUNIT_EXPECT_STREQ(test, bh->b_data, sym_target); 171d9555beee6b Theodore Ts'o 2026-11-05 @2229 } 171d9555beee6b Theodore Ts'o 2026-11-05 2230 :::::: The code at line 2229 was first introduced by commit :::::: 171d9555beee6b445eb465dcbe657dd99ddf24b8 ext4: add KUnit tests for fs/ext4/namei.c :::::: TO: Theodore Ts'o :::::: CC: Theodore Ts'o -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki