Date:   Tue, 30 Apr 2019 12:36:47 +0200
From:   Karel Zak <kzak@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        util-linux@...r.kernel.org
Subject: Re: [ANNOUNCE] util-linux v2.34-rc1


The util-linux release v2.34-rc1 is available at

  http://www.kernel.org/pub/linux/utils/util-linux/v2.34/

Feedback and bug reports, as always, are welcomed.

  Karel


On Tue, Apr 30, 2019 at 12:31:31PM +0200, Karel Zak wrote:
> 
> Util-linux 2.34 Release Notes
> =============================
> 
> Release highlights
> ------------------
> 
> hardlink -- NEW COMMAND to consolidate duplicate files via hardlinks has been
> merged into util-linux. The new command is not enabled by default. The original
> author is Jakub Jelinek.
> 
> The command lsblk(8) has been rewritten. Now it keeps all hierarchy of the block
> devices in memory before it's printed. It allows to modify or reorder the graph.
> The new features based on this functionality are:
> 
>  * output de-duplication by --dedup, for example 'lsblk --dedup WWN' to
>    de-duplicate devices by WWN number (e.g. multi-path devices)
> 
>  * merge repeating parts of the tree by --merge, see for example:
>    http://karelzak.blogspot.com/2018/11/lsblk-merge.html
> 
> The command umount(8) now supports user unmount for FUSE mounts. The requirement
> is FUSE specific user_id=<uid> in /proc/self/mountinfo for the filesystem. 
> 
> The command mount(8) now allows to use "--all -o remount". In this case all
> filters (-t and -O) are applied to the table of already mounted filesystems.
> 
> The command su(1) now prefers /etc/default/su over /etc/login.defs and
> ENV_SUPATH over ENV_ROOTPATH. The option --pty has been improved and it is not
> marked as experimental anymore.
> 
> The command unshare(1) now allows set user ID and group ID by new command line
> options -S/--setuid and -G/--setgid; and new options -R/--root and -w/--wd
> allows to set root and working directory (like nsenter(1)).
> 
> The command lscpu(1) now prints 'Frequency boost' and 'Vulnerability' fields.
> The caches calculation has been modified to print summary from all system caches
> rather than per code numbers.
> 
> The command logger(1) merges multiple MESSAGE= lines into one journald message.
> 
> The library libblkid now does not depend on libuuid and newly supports DRBD9
> detection.
> 
> The libsmartcols has been extended to support N:M relationships when print
> tree-like output. This new feature is used by new lsblk --merge output.
> 
> The systemd services for fstrim and uuidd now contains hardening settings to
> improve security and service isolation.
> 
> The command fstrim now trims also root filesystem on --fstab and checks for 
> read-only filesystems on --all and --fstab. 
> 
> The package build-system now accepts --enable-asan to compile commands and
> execute regression tests with addresses sanitizer.
> 
> 
> Stable maintenance releases between v2.33 and v2.34
> ---------------------------------------------------
> 
> util-linux 2.33.1 [Jan 1 2019]
> 
>  * https://www.kernel.org/pub/linux/utils/util-linux/v2.33/v2.33.1-ReleaseNotes
>    https://www.kernel.org/pub/linux/utils/util-linux/v2.33/v2.33.1-ChangeLog
> 
> util-linux 2.33.2 [Apr 4 2019]
> 
>  * https://www.kernel.org/pub/linux/utils/util-linux/v2.33/v2.33.2-ReleaseNotes
>    https://www.kernel.org/pub/linux/utils/util-linux/v2.33/v2.33.2-ChangeLog
> 
> 
> Changes between v2.33 and v2.34
> -------------------------------
> 
> agetty:
>    - Fix input of non-ASCII characters in get_logname()  [Stanislav Brabec]
>    - Return old behavior with empty logname  [Stanislav Brabec]
>    - Switch to 8-bit processing in get_logname() for UTF-8 terminals  [Stanislav Brabec]
>    - fix output of escaped characters  [Christian Hesse]
>    - fix portability issues  [Samuel Thibault]
> bash-completion:
>    - umount support relative path and ~ as home shorthands  [Sami Kerola]
> blkid:
>    - (man) cleanup return code section  [Karel Zak]
>    - fix usage()  [Karel Zak]
>    - make PART_ENTRY_* tags optional (add --no-part-details)  [Karel Zak]
> blockdev:
>    - make –-getbsz less confusing for end-users  [Karel Zak]
> build-sys:
>    - add 'make checklibdoc'  [Karel Zak]
>    - add ASAN_LDFLAGS  [Karel Zak]
>    - add check-programs make target  [Karel Zak]
>    - add devel-non-asan.conf  [Karel Zak]
>    - do not require crypt()  [Karel Zak]
>    - do not require dirfd()  [Karel Zak]
>    - don't use ASAN on XOS  [Karel Zak]
>    - enable ASAN on travis-ci  [Karel Zak]
>    - fix crypt() detection without -lcrypt  [Johannes Nixdorf]
>    - improve error message  [Karel Zak]
>    - make fdisk, sfdisk, cfdisk optional (enabled by default)  [Carlos Santos]
>    - make sure HAVE_TIMER_CREATE defined  [Karel Zak]
>    - use REALTIME_LIBS for hwclock due to monotonic.c  [Karel Zak]
> cal:
>    - fix Sexit and Senter  [Karel Zak]
>    - use standout mode on monochrome terminals  [Karel Zak]
> chcpu:
>    - fix memory leak  [Karel Zak]
> chmem:
>    - add initilizer [clang]  [Sami Kerola]
> choom:
>    - fix negative adjust score usage  [Karel Zak]
> col:
>    - improve error message, update regression test  [Karel Zak]
>    - make flush_line() a little bit robust  [Karel Zak]
> column:
>    - Address fill-order confusion in documentation  [dana]
> dmesg:
>    - correct "-n, --console-level level" example in manual page  [Jean-Philippe ROMAIN]
> docs:
>    - TODO lscpu --list-caches  [Karel Zak]
>    - add col(1) to TODO  [Karel Zak]
>    - add link to mail list archive  [Sami Kerola]
>    - add lsblk --merge to TODO  [Karel Zak]
>    - fix typo  [Jakub Wilk]
>    - fix typos [codespell]  [Sami Kerola]
>    - update AUTHORS file  [Karel Zak]
>    - update TODO  [Karel Zak]
> fdisk:
>    - make partition types uses more robust  [Karel Zak]
>    - support CTRL+C on change-partition-type dialog  [Karel Zak]
>    - use 2 decimal places for size in disk summary  [Karel Zak]
> fsck:
>    - (man) labels are available for all filesystems  [Karel Zak]
> fsck.cramfs:
>    - fix utimes() usage  [Karel Zak]
>    - use utimes() instead of utime() that is obsolete  [Sami Kerola]
> fstrim:
>    - Add Documentation key to fstrim.service  [Andreas Henriksson]
>    - Add hardening settings to fstrim.service  [Andreas Henriksson]
>    - check for read-only devices on -a/-A  [Karel Zak]
>    - document kernel return minlen explicitly  [Wang Shilong]
>    - fix usage()  [Karel Zak]
>    - get realpath before trim ioctl  [Wang Shilong]
>    - trim also root FS on --fstab  [Karel Zak]
>    - use long options in systemd service file  [Sami Kerola]
> fstrim.c:
>    - Remove commnet about vfat not supporting fstrim  [Marcos Paulo de Souza]
> hardlink:
>    - (man) add AVAILABILITY  [Karel Zak]
>    - add first simple tests  [Ruediger Meier]
>    - add long options  [Karel Zak]
>    - cleanup error messages, use xalloc.h  [Karel Zak]
>    - cleanup global variables  [Karel Zak]
>    - cleanup verbose and warning messages  [Karel Zak]
>    - enable build with and without pcre2  [Ruediger Meier]
>    - fix compiler warnings  [Ruediger Meier]
>    - make code more readable  [Karel Zak]
>    - remove \r from output  [Karel Zak]
>    - remove typedefs  [Karel Zak]
>    - rename function  [Karel Zak]
>    - style indentations and license header  [Ruediger Meier]
>    - util-linux usage  [Ruediger Meier]
> hardlink, wall:
>    - fix variable shadowing  [Sami Kerola]
> hexdump:
>    - fix potential null pointer dereference warnings  [Sami Kerola]
> hwclock:
>    - use monotonic time to measure how long setting time takes  [Sami Kerola]
> include:
>    - add indirect monotonic clock id specifier  [Sami Kerola]
>    - add no return function attribute  [Sami Kerola]
> include/c:
>    - add print_version() macro  [Karel Zak]
>    - check returns_nonnull function attribute with __GNUC_PREREQ  [Sami Kerola]
>    - re-add type checking in container_of()  [Ruediger Meier]
>    - use returns_nonnull function attribute in xalloc.h  [Sami Kerola]
> include/closestream:
>    - add close_stdout_atexit()  [Karel Zak]
> include/list:
>    - add list_entry_is_first() and list_count_entries()  [Karel Zak]
> include/path.h:
>    - remove duplicate header inclusion  [Sami Kerola]
> include/strutils:
>    - add functions to replace and remove chars from string  [Karel Zak]
> last:
>    - do not use non-standard __UT_NAMESIZE  [Patrick Steinhardt]
>    - fix wtmp user name buffer overflow [asan]  [Sami Kerola]
> ldattach:
>    - Check for value of _HAVE_STRUCT_TERMIOS_C_ISPEED  [Khem Raj]
> lib/canonicalize:
>    - do restricted canonicalize in a subprocess  [Rian Hunter, Karel Zak]
>    - fix typo  [Karel Zak]
> lib/colors:
>    - force to "never" mode on non-terminal output  [Karel Zak]
> lib/fileutils:
>    - add xreaddir()  [Karel Zak]
> lib/loopdev:
>    - differentiate between setter()s and ioctl calls  [Karel Zak]
>    - set blocksize when create a new device  [Karel Zak]
> lib/loopdev.c:
>    - Inline loopcxt_has_device  [Marcos Paulo de Souza]
> lib/path:
>    - allow to close dirfd  [Karel Zak]
>    - remove extra semi-colons  [Karel Zak]
> lib/strutils:
>    - support two decimal places in size_to_human_string() output  [Karel Zak]
> lib/sysfs:
>    - add function to detect partitioned devices  [Karel Zak]
> lib/timer:
>    - add fallback if timer_create() not available  [Karel Zak]
> libblkid:
>    - (bluestore) terminate magic strings array  [Karel Zak]
>    - (ntfs) fix compiler warning [-Wpedantic]  [Karel Zak]
>    - Fix hidding typo  [Andreas Henriksson]
>    - add check for DRBD9  [Roland Kammerer]
>    - fix detection of dm-integrity superblock  [Milan Broz]
>    - improve whole-disk detection when read /proc/partitions  [Karel Zak]
>    - remove dependence on libuuid  [Karel Zak]
>    - stratis  correct byte order  [Tony Asleson]
>    - tiny code simplification  [Karel Zak]
> libfdisk:
>    - (dos) Use strtoul to parse the label-id  [Juerg Haefliger]
>    - (dos) improve first unused sector for logical partitions  [Karel Zak]
>    - (dos) rewrite fist/last free sector functions  [Karel Zak]
>    - (gpt) add HiFive Unleashed bootloader partition UUIDs  [Icenowy Zheng]
>    - add comment to fdisk_set_first_lba()  [Karel Zak]
>    - sanity check, to prevent overlapping partitions from being partly reported as free  [Fabian.Kirsch@....de]
>    - use list_add_tail() in more robust way  [Karel Zak]
> libmount:
>    - (fuse) follow only user_id= on umount  [Karel Zak]
>    - (tabdiff) use list_add_tail() in more robust way  [Karel Zak]
>    - (umount) make mnt_stat_mountpoin() usable for relative paths  [Karel Zak]
>    - Recognize more fuse filesystems as pseudofs and netfs  [Stanislav Brabec]
>    - Support unmount FUSE mounts  [Rian Hunter, Karel Zak]
>    - add mnt_table_{find,insert,move}_fs()  [Karel Zak, Tim Hildering]
>    - add support for MS_REMOUNT on --all  [Karel Zak]
>    - check table membership before adding entry  [Tim Hildering]
>    - don't use sscanf() for fstab parsing  [Karel Zak]
>    - don't use sscanf() for mountinfo parsing  [Karel Zak]
>    - don't use sscanf() for swaps parsing  [Karel Zak]
>    - export mnt_guess_system_root() by API  [Karel Zak]
>    - fix compiler warning [-Wsometimes-uninitialized]  [Karel Zak]
>    - fix memleak on parse errors  [Karel Zak]
>    - improve fs referencing in tables  [Tim Hildering]
> libsmartcols:
>    - add another UTF symbols  [Karel Zak]
>    - add grouping API docs  [Karel Zak]
>    - add grouping samples  [Karel Zak]
>    - add is_last_child(), move is_last_column()  [Karel Zak]
>    - add lines grouping support  [Karel Zak]
>    - fix  variable shadowing  [Sami Kerola]
>    - move buffer stuff to buffer.c  [Karel Zak]
>    - move width calculation to separate file  [Karel Zak]
>    - print tree also for empty cells  [Karel Zak]
>    - remove extra ';' outside of a function [-Wextra-semi]  [Sami Kerola]
>    - rename table_print.c to print.c  [Karel Zak]
>    - split print.c into print.c, put.c and print-api.c  [Karel Zak]
>    - use list_add_tail() in more robust way  [Karel Zak]
> libuuid:
>    - fix man page typos  [Seth Girvan]
> logger:
>    - (man) add info about rewrite and authors  [Karel Zak]
>    - (man) make more obvious that --server/socket is required  [Karel Zak]
>    - concatenate multiple lines of MESSAGE into a single field.  [Karel Zak]
> login:
>    - add support for login.defs(5) LASTLOG_UID_MAX  [Karel Zak]
> login-utils/logindefs:
>    - clenaup API  [Karel Zak]
> losetup:
>    - man page has repeating words [make checkmans]  [Karel Zak]
>    - properly use --sector-size when create a new device  [Karel Zak]
>    - update an error message  [Jeffrey Ferreira]
>    - use offset in warn_size() calculation  [Karel Zak]
> lsblk:
>    - add --dedup <column>  [Karel Zak]
>    - add --merge  [Karel Zak]
>    - add basic function to build devices tree  [Karel Zak]
>    - add comments  [Karel Zak]
>    - add devtree_get_device_or_new()  [Karel Zak]
>    - add lsblk_device_has_dependence()  [Karel Zak]
>    - add process_all_devices_inverse()  [Karel Zak]
>    - allow to specify tree column  [Karel Zak]
>    - apply --nodeps to partitions too  [Karel Zak]
>    - cleanup device reference in the tree  [Karel Zak]
>    - don't keep sysfs dirs open  [Karel Zak]
>    - fix devtree deallocation  [Karel Zak]
>    - fix null pointer dereferences  [Sami Kerola]
>    - force tree on --json --tree independently on used columns  [Karel Zak]
>    - keep functions names consistent  [Karel Zak]
>    - make device_get_data() more generic  [Karel Zak]
>    - make devtree dependences more generic  [Karel Zak]
>    - make process_partitions() more readable  [Karel Zak]
>    - process_one_device() refactoring  [Karel Zak]
>    - properly initialize structs  [Karel Zak]
>    - read queue/discard_granularity only when necessary  [Karel Zak]
>    - remember whole-disk, remove unused struct member  [Karel Zak]
>    - remove badly named debug interface name  [Karel Zak]
>    - remove unncessary parent pointer  [Karel Zak]
>    - remove unused reset_device()  [Karel Zak]
>    - rename blkdev_cxt to lsblk_device  [Karel Zak]
>    - rename reset_lsblk_device() to reset_device()  [Karel Zak]
>    - rename set_device()  [Karel Zak]
>    - reorder functions  [Karel Zak]
>    - reuse 'removable' flag from parent  [Karel Zak]
>    - split sysfs reading and scols table filling  [Karel Zak]
>    - use ID_SCSI_SERIAL when available  [Sven Wiltink]
>    - use devtree functions  [Karel Zak]
>    - use real rather than hardcoded parent  [Karel Zak]
> lscpu:
>    - (man) make SYNOPSIS compatible with another utils  [Karel Zak]
>    - (man) tiny changes  [Karel Zak]
>    - Add aarch32 detection on aarch64  [Jeremy Linton]
>    - add 'Frequency boost'  [Karel Zak]
>    - add --bytes  [Karel Zak]
>    - add --caches  [Karel Zak]
>    - define libsmartcols flags for -e  [Karel Zak]
>    - document --hex output regression (since v2.30)  [Karel Zak]
>    - fix --caches order  [Karel Zak]
>    - fix and document --output-all  [Karel Zak]
>    - fix excl[] array order  [Karel Zak]
>    - rename macros and functions  [Karel Zak]
>    - report CPU vulnerabilities  [Karel Zak]
>    - report more usable cache sizes  [Karel Zak]
>    - wrap default output long lines on terminal  [Karel Zak]
> lslogins:
>    - Fix discrepancies of SYS_UID_MIN  [Stanislav Brabec]
>    - make valid_pwd() more robust  [Karel Zak]
>    - remove duplicate NULL check  [Sami Kerola]
> misc:
>    - consolidate version printing and close_stdout()  [Karel Zak]
> mkswap:
>    - be more explicit about maximal number of pages  [Karel Zak]
>    - fix page size warning message  [Noel Cragg]
>    - use dd(1) in example rather than fallocate(1)  [Karel Zak]
> mount:
>    - (man) add note about --all to remount desc  [Karel Zak]
>    - Do not call mnt_pretty_path() on net file systems.  [Stanislav Brabec]
>    - mount.8 clarify (no)suid behavior on file capabilities  [Peter Wu]
> po:
>    - merge changes  [Karel Zak]
>    - update de.po (from translationproject.org)  [Mario Blättermann]
>    - update es.po (from translationproject.org)  [Antonio Ceballos Roa]
>    - update fr.po (from translationproject.org)  [Frédéric Marchal]
>    - update hr.po (from translationproject.org)  [Božidar Putanec]
>    - update sv.po (from translationproject.org)  [Sebastian Rasmussen]
> readprofile:
>    - check input file is not empty [asan]  [Sami Kerola]
> rtcwake:
>    - use poweroff if shutdown is not found  [Justin Chen]
> setarch:
>    - add new e2k subarches  [Andrew Savchenko]
>    - don't return address of automatic variable  [Andreas Schwab]
>    - fix obscure sparc32bash use-case  [Karel Zak]
> setterm:
>    - disallow "default" for --ulcolor/--hbcolor  [Jakub Wilk]
>    - fix --hbcolor description  [Jakub Wilk]
>    - fix bright colors for --ulcolor/--hbcolor  [Jakub Wilk]
>    - update comments about -ulcolor/-hbcolor syntax  [Jakub Wilk]
> sfdisk:
>    - Avoid out of boundary read with readline  [Tobias Stoeckmann]
>    - fix logical partition resize when start specified  [Karel Zak]
> su:
>    - add note about ECHO on --pty  [Karel Zak]
>    - be sensitive to another SIGCHLD ssi_codes  [Karel Zak]
>    - change error message  [Karel Zak]
>    - fix --pty terminal initialization  [Karel Zak]
>    - make comment more friedly to 'make checkxalloc'  [Karel Zak]
> su-common.c:
>    - prefer /etc/default/su over login.defs  [Stanislav Brabec]
>    - prefer ENV_SUPATH over ENV_ROOTPATH  [Stanislav Brabec]
> su/runuser:
>    - don't mark --pty as experimental, add it to runuser.1 too  [Karel Zak]
> swapon:
>    - (man) cleanup note about holes  [Karel Zak]
>    - (man) iomap for swapfile is already supported by kernel  [Karel Zak]
>    - be more explicit about BTRFS  [Karel Zak]
>    - rewrite section about swapfiles  [Karel Zak]
>    - swapon.8 mention btrfs(5)  [Marcos Mello]
> taskset:
>    - fix cpuset list parser  [Karel Zak]
> tastset:
>    - (man) add  N stride for CPU lists  [Karel Zak]
> test:
>    - Adding AMD EPYC 7451 24-Core Processor  [Erwan Velu]
> tests:
>    - (hardlink) update noregex  [Karel Zak]
>    - (hardlink) update summary output  [Karel Zak]
>    - (kill) do not use shell build-in  [Karel Zak]
>    - add --noskip-commands  [Karel Zak]
>    - add --use-system-commands  [Karel Zak]
>    - add /mnt/test/foo^Mbar to mountinfo tests  [Karel Zak]
>    - add fdisk (dos) first sector dialog test  [Karel Zak]
>    - add missing TS_CMD_UMOUNT check  [Karel Zak]
>    - add missing ts_check_test_command call  [Karel Zak]
>    - add missing ts_check_test_command calls  [Karel Zak]
>    - add test images for drbd v08/v09  [Roland Kammerer]
>    - auto-enable ASAN option if necessary  [Karel Zak]
>    - build-sys update  [Karel Zak]
>    - check for tar and {b,g}zip  [Karel Zak]
>    - enlarge backing file for fstab-btrfs  [Karel Zak]
>    - fix TS_ENABLE_ASAN usage  [Karel Zak]
>    - ignore errors with enabled ASAN in python bindings  [Karel Zak]
>    - make lsns-netnsid portable  [Karel Zak]
>    - make sure TS_HELPER_MBSENCODE compiled  [Karel Zak]
>    - run oids test only when uuidgen tool was built  [Thomas Deutschmann]
>    - update fdisk outputs  [Karel Zak]
>    - update lscpu due to 'Vulnerability' fields  [Karel Zak]
>    - update lscpu output  [Karel Zak]
>    - use TS_ENABLE_ASAN in tests to detect ASAN  [Karel Zak]
>    - use subtests in fdisk/mbr-nondos-mode  [Karel Zak]
> timeutils:
>    - match today day and this year correctly  [Sami Kerola]
> umount:
>    - fix --quiet  [Karel Zak]
> unshare:
>    - allow to set a new root  [Laurent Vivier]
>    - allow to set user ID and group ID  [Laurent Vivier]
> utmpdump:
>    - fix word swapping in manual page  [Carlos Santos]
> uuidd:
>    - Add Documentation key to uuidd.service  [Andreas Henriksson]
>    - Add hardening settings to uuidd.service  [Andreas Henriksson]
> various:
>    - fix 'uninitialized when used' warnings [clang]  [Sami Kerola]
> wall:
>    - remove unnecessary warning  [Karel Zak]
> whereis:
>    - search in /(s)bin before /usr/lib  [Karel Zak]
> -- 
>  Karel Zak  <kzak@...hat.com>
>  http://karelzak.blogspot.com

-- 
 Karel Zak  <kzak@...hat.com>
 http://karelzak.blogspot.com

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