CC: [email protected] CC: Linux Memory Management List <[email protected]> TO: Konstantin Komarov <[email protected]>
Hi Konstantin, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f26c3abc432a2026ba9ee7767061a1f88aead6ec commit: 6e5be40d32fb1907285277c02e74493ed43d77fe [7094/8804] fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile :::::: branch date: 24 hours ago :::::: commit date: 6 days ago config: i386-randconfig-m021-20210818 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: fs/ntfs3/file.c:1148 ntfs_file_write_iter() warn: inconsistent returns '&inode->i_rwsem'. fs/ntfs3/fsntfs.c:803 ntfs_clear_mft_tail() error: uninitialized symbol 'err'. fs/ntfs3/fsntfs.c:1264 ntfs_read_run_nb() error: uninitialized symbol 'clen'. fs/ntfs3/fsntfs.c:1265 ntfs_read_run_nb() error: uninitialized symbol 'idx'. fs/ntfs3/frecord.c:166 ni_load_mi_ex() error: we previously assumed 'r' could be null (see line 159) fs/ntfs3/frecord.c:510 ni_ins_new_attr() error: we previously assumed 'le' could be null (see line 495) fs/ntfs3/frecord.c:1439 ni_insert_nonresident() warn: potential memory corrupting cast 8 vs 2 bytes fs/ntfs3/frecord.c:2559 ni_read_frame() warn: ignoring unreachable code. fs/ntfs3/frecord.c:3070 ni_write_inode() warn: inconsistent returns '&ni->ni_lock'. fs/ntfs3/namei.c:446 ntfs_rename() warn: variable dereferenced before check 'old_inode' (see line 312) fs/ntfs3/xattr.c:529 ntfs_get_acl_ex() warn: passing zero to 'ERR_PTR' fs/ntfs3/attrib.c:1093 attr_data_read_resident() warn: should 'page->index << 12' be a 64 bit type? fs/ntfs3/attrib.c:1132 attr_data_write_resident() warn: should 'page->index << 12' be a 64 bit type? fs/ntfs3/attrib.c:1353 attr_wof_frame_info() error: uninitialized symbol 'err'. fs/ntfs3/attrib.c:1678 attr_allocate_frame() error: we previously assumed 'attr_b' could be null (see line 1591) fs/ntfs3/index.c:561 hdr_find_split() warn: variable dereferenced before check 'e' (see line 559) fs/ntfs3/index.c:1137 indx_find() warn: variable dereferenced before check 'fnd' (see line 1121) fs/ntfs3/index.c:1375 indx_find_raw() error: we previously assumed 'n' could be null (see line 1353) fs/ntfs3/index.c:1742 indx_insert_into_root() warn: possible memory leak of 're' fs/ntfs3/fslog.c:2191 last_log_lsn() warn: possible memory leak of 'page_bufs' fs/ntfs3/fslog.c:2404 find_log_rec() error: we previously assumed 'rh' could be null (see line 2391) fs/ntfs3/fslog.c:2536 find_client_next_lsn() error: double free of 'lcb->lrh' fs/ntfs3/fslog.c:638 enum_rstbl() error: we previously assumed 't' could be null (see line 627) fs/ntfs3/fslog.c:3141 do_action() warn: variable dereferenced before check 'mi' (see line 3102) fs/ntfs3/fslog.c:4737 log_replay() warn: Function too hairy. No more merges. vim +1148 fs/ntfs3/file.c 4342306f0f0d5f Konstantin Komarov 2021-08-13 1092 4342306f0f0d5f Konstantin Komarov 2021-08-13 1093 /* 4342306f0f0d5f Konstantin Komarov 2021-08-13 1094 * file_operations::write_iter 4342306f0f0d5f Konstantin Komarov 2021-08-13 1095 */ 4342306f0f0d5f Konstantin Komarov 2021-08-13 1096 static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1097 { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1098 struct file *file = iocb->ki_filp; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1099 struct address_space *mapping = file->f_mapping; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1100 struct inode *inode = mapping->host; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1101 ssize_t ret; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1102 struct ntfs_inode *ni = ntfs_i(inode); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1103 4342306f0f0d5f Konstantin Komarov 2021-08-13 1104 if (is_encrypted(ni)) { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1105 ntfs_inode_warn(inode, "encrypted i/o not supported"); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1106 return -EOPNOTSUPP; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1107 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1108 4342306f0f0d5f Konstantin Komarov 2021-08-13 1109 if (is_compressed(ni) && (iocb->ki_flags & IOCB_DIRECT)) { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1110 ntfs_inode_warn(inode, "direct i/o + compressed not supported"); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1111 return -EOPNOTSUPP; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1112 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1113 4342306f0f0d5f Konstantin Komarov 2021-08-13 1114 if (is_dedup(ni)) { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1115 ntfs_inode_warn(inode, "write into deduplicated not supported"); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1116 return -EOPNOTSUPP; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1117 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1118 4342306f0f0d5f Konstantin Komarov 2021-08-13 1119 if (!inode_trylock(inode)) { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1120 if (iocb->ki_flags & IOCB_NOWAIT) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1121 return -EAGAIN; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1122 inode_lock(inode); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1123 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1124 4342306f0f0d5f Konstantin Komarov 2021-08-13 1125 ret = generic_write_checks(iocb, from); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1126 if (ret <= 0) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1127 goto out; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1128 4342306f0f0d5f Konstantin Komarov 2021-08-13 1129 if (WARN_ON(ni->ni_flags & NI_FLAG_COMPRESSED_MASK)) { 4342306f0f0d5f Konstantin Komarov 2021-08-13 1130 /* should never be here, see ntfs_file_open*/ 4342306f0f0d5f Konstantin Komarov 2021-08-13 1131 ret = -EOPNOTSUPP; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1132 goto out; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1133 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1134 4342306f0f0d5f Konstantin Komarov 2021-08-13 1135 ret = ntfs_extend(inode, iocb->ki_pos, ret, file); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1136 if (ret) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1137 goto out; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1138 4342306f0f0d5f Konstantin Komarov 2021-08-13 1139 ret = is_compressed(ni) ? ntfs_compress_write(iocb, from) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1140 : __generic_file_write_iter(iocb, from); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1141 4342306f0f0d5f Konstantin Komarov 2021-08-13 1142 out: 4342306f0f0d5f Konstantin Komarov 2021-08-13 1143 inode_unlock(inode); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1144 4342306f0f0d5f Konstantin Komarov 2021-08-13 1145 if (ret > 0) 4342306f0f0d5f Konstantin Komarov 2021-08-13 1146 ret = generic_write_sync(iocb, ret); 4342306f0f0d5f Konstantin Komarov 2021-08-13 1147 4342306f0f0d5f Konstantin Komarov 2021-08-13 @1148 return ret; 4342306f0f0d5f Konstantin Komarov 2021-08-13 1149 } 4342306f0f0d5f Konstantin Komarov 2021-08-13 1150 :::::: The code at line 1148 was first introduced by commit :::::: 4342306f0f0d5ff4315a204d315c1b51b914fca5 fs/ntfs3: Add file operations and implementation :::::: TO: Konstantin Komarov <[email protected]> :::::: CC: Konstantin Komarov <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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