mtd-utils.git/ubifs-utils/libubifs, branch v2.3.1

fsck.ubifs: fix platform dependant ino_t and loff_t formatting

2026-04-13T05:32:41+00:00

On architectures such as armv7-a, ino_t and loff_t are unsigned long long rather than unsigned long. In such cases, the printf format specifier "%lu" is not appropriate and causes an incorrect address offset. mtd-utils/ubifs-utils/fsck.ubifs/problem.c:224 log_out(c, "problem: %s, ino %lu, unreachable dentry %s, type %s%s", problem->desc, ifp->file->inum, c->encrypted && !ifp->file->ino.is_xattr ? "" : dent_node->name, ubifs_get_type_name(dent_node->type), key_type(c, &dent_node->key) == UBIFS_XENT_KEY ? "(xattr)" : ""); fsck.ubifs[484] (/dev/ubi0_0,danger mode): problem: Dentry is unreachable, ino 917, unreachable dentry (null), type checksum_typefile Furthermore, running fsck.ubifs with the --debug=4 option will almost certainly cause a SEGV at the following point. mtd-utils/ubifs-utils/fsck.ubifs/check_files.c:103 dbg_fsck("construct file(%lu) for %s node, TNC location %d:%d, in %s", inum, ubifs_get_key_name(key_type(c, key)), sn->lnum, sn->offs, c->dev_name); To ensure functionality regardless of environment, cast ino_t to unsigned long, since it will never be more than 4 bytes. For loff_t, use %lld and cast accordingly. Signed-off-by: Yuta Hayama Signed-off-by: Tomas Alvarez Vanoli Reviewed-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

ubifs-utils: journal: Include

2025-06-02T05:33:24+00:00

Include the header file to fix the following error when building with musl: | ../git/ubifs-utils/libubifs/journal.c: In function 'ubifs_get_dent_type': | ../git/ubifs-utils/libubifs/journal.c:414:24: error: 'S_IFMT' undeclared (first use in this function) | 414 | switch (mode & S_IFMT) { | | ^~~~~~ | ../git/ubifs-utils/libubifs/journal.c:414:24: note: each undeclared identifier is reported only once for each function it appears in | ../git/ubifs-utils/libubifs/journal.c:415:14: error: 'S_IFREG' undeclared (first use in this function) | 415 | case S_IFREG: Signed-off-by: Fabio Estevam Reviewed-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

ubifs-utils: ubifs.h: Include

2025-06-02T05:33:11+00:00

ubifs-utils: libubifs: Update source files from linux kernel 6.13-rc7

2025-01-30T17:30:17+00:00

Update source files from linux kernel 6.13-rc7 aa22f4da2a46. Following changes since 6.8-rc2 41bccc98fb7931d63: 1) 60f16e912a53a ("ubifs: fix sort function prototype") 2) ec724e534dfdd ("ubifs: fix function pointer cast warnings") 3) 39986148bc2ab ("ubifs: fix kernel-doc warnings") 4) 94f5b1571ec8d ("ubifs: Convert to use ERR_CAST()") 5) 4617fb8fc15ef ("ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit") Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

ubifs-utils: libubifs: Support some file operations

2024-11-11T09:32:46+00:00

Add some file operations, such as ubifs_lookup, ubifs_mkdir, etc., this is a preparation for recovering disconnected files or root dir in fsck. File writing operations are based on the journal subsystem, generated dirty data depends on a new commit in subsequent steps to update disk content. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

fsck.ubifs: check and correct the space statistics

2024-11-11T09:32:46+00:00

This is the 12/18 step of fsck. Check and correct the space statistics. There could be following steps and possible errors: Step 1. Exit for check mode, if %FR_LPT_CORRUPTED or %FR_LPT_INCORRECT is set in lpt status, the exit code should have %FSCK_UNCORRECTED. Step 2. Check lpt status, if %FR_LPT_CORRUPTED is set in lpt status, normal mode with 'no' answer will exit, other modes will rebuild lpt. Step 3. Traverse LPT nodes, check the correctness of nnode and pnode, compare LEB scanning result with LEB properties. a. LPT node is corrupted, normal mode with 'no' answer will exit, rebuild lpt for other modes. b. Incorrect nnode/pnode, normal mode with 'no' answer will exit, other other modes will correct the nnode/pnode. c. Inconsistent comparing result, normal mode with 'no' answer will exit, other modes will correct the space statistics. Step 4. Check and correct the lprops table information. Step 5. Set gc lnum(ubifs_rcvry_gc_commit / take_gc_lnum). Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

fsck.ubifs: Move common functions and data structures into check_space.c

2024-11-11T09:32:46+00:00

This is a preparation for adding LPT checking support. Move some data structures and functions into check_space.c, also factor out some common functions in libubifs: 1. Move 'lpts' from rebuild module, make it resuable for non-rebuild_fs modes. 2. Move function 'get_free_leb' from rebuild_fs.c, it could be reused in building LPT. 3. Move function 'build_lpt' from rebuild_fs.c, it could be reused in building LPT. 4. Factor out lpt nodes freeing into a new function ubifs_free_lpt_nodes. 5. Factor out nnode dirty marking implementations into a new function ubifs_make_nnode_dirty. 5. Export the function of nnode number calculation, calc_nnode_num is renamed as ubifs_calc_nnode_num. 6. Export the function of making pnode dirty, do_make_pnode_dirty is renamed as ubifs_make_pnode_dirty. 7. Rename next_pnode_to_dirty to ubifs_find_next_pnode and export it. 8. Export free_buds and expend its parameters. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

fsck.ubifs: Update files' size for check mode

2024-11-11T09:32:46+00:00

This is the 7/18 step of fsck. Update files' size according to size tree for check mode, now all files are updated after replaying journal. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

fsck.ubifs: Traverse TNC and construct files

2024-11-11T09:32:46+00:00

This is the 6/18 step of fsck. Traverse TNC and construct files. There could be following steps and possible errors: Step 1. Traverse TNC, check whether the leaf node is valid, remove invalid nodes, construct file for valid node and insert file into file tree. a. corrupted node searched from TNC: remove corresponding TNC branch for danger mode and normal mode with 'yes' answer, other modes will exit. b. corrupted index node read from TNC: danger mode with rebuild_fs and normal mode with 'yes' answer will turn to rebuild filesystem, other modes will exit. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer

fsck.ubifs: Move common functions and data structures into fsck.ubifs.c

2024-11-11T09:32:46+00:00

This is a preparation for adding TNC checking support. Following data structures and functions are moved into fsck.ubifs.c: 1. Move 'scanned_files' and 'used_lebs' from rebuild module, make them resuable for non-rebuild_fs modes. 2. Move function 'handle_error' from load_fs.c, it could be reused in other steps. 3. Add new function ubifs_tnc_remove_node in libubifs, which could remove index entry for a node by given position. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer