Gero Treuner [Thu, 10 Sep 2020 19:43:03 +0000 (21:43 +0200)]
fallocate: fix --dig-holes at end of files
I discovered that making a file sparse with "fallocate -d filename"
fails on the last block of a file, because - usually being partial -
the system call only zeroes that part instead of deallocating the
block. See man fallocate(2) - section "Deallocating file space".
The expected call is punching the whole block beyond eof, which
doesn't change the file length because of flag FALLOC_FL_KEEP_SIZE.
Mattias Nissler [Thu, 17 Nov 2016 13:47:51 +0000 (14:47 +0100)]
mount: Add support for "nosymfollow" mount option.
This adds support for the "nosymfollow" mount option, which indicates
that symlinks should not be traversed on the mount this option is
applied to. Also update the mount(8) man page with information about
this option.
Signed-off-by: Mattias Nissler <mnissler@chromium.org> Signed-off-by: Ross Zwisler <zwisler@google.com>
Rosen Penev [Sun, 30 Aug 2020 04:55:58 +0000 (21:55 -0700)]
hwclock: fix SYS_settimeofday fallback
turns out this is subtly broken. musl 1.2.x for 64-bit architectures defines __NR_settimeofday but not
for 32-bit ones. For 32-bit, it defines a _time32 variant.
Adriaan de Groot [Mon, 24 Aug 2020 21:30:35 +0000 (23:30 +0200)]
Generate valid JSON if partition table is empty
When the partition table is present **but** empty, the existing code would output fields followed by a `,` , on the assumption that the list of partitions would follow. But if the list of partitions is empty, it is skipped, leading to output like this:
This is invalid JSON for some parsers, which choke on it.
Avoid this, by checking when outputting the last separator: if there's no table, or there is a table but it is empty, then just put a newline, otherwise use the old path of comma-newline and assume there's going to be a list of partitions after.
Looks like those specifiers haven't been used since 6c9ab254aefb6ce7e0e
(where sscanf was removed) was merged. This should help to get
util-linux to compile with MSan. Currently it's failing with
```
...
configure: error: libmount selected, but required scanf string alloc modifier not available
...
configure:20240: ./conftest
==116617==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x496fd6 in main /home/vagrant/util-linux/conftest.c:171:6
#1 0x7f5eb85ea1a2 in __libc_start_main (/lib64/libc.so.6+0x271a2)
#2 0x41c2cd in _start (/home/vagrant/util-linux/conftest+0x41c2cd)
SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/vagrant/util-linux/conftest.c:171:6 in main
Exiting
configure:20240: $? = 77
...
configure:20265: $? = 0
configure:20265: ./conftest
MemorySanitizer: bad pointer 0x000000496e60
==116627==MemorySanitizer CHECK failed: /builddir/build/BUILD/compiler-rt-9.0.1.src/lib/msan/../sanitizer_common/sanitizer_allocator_secondary.h:177 "((IsAligned(reinterpret_cast<uptr>(p), page_size_))) != (0)" (0x0, 0x0)
#0 0x41d1d8 in MsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/home/vagrant/util-linux/conftest+0x41d1d8)
#1 0x484e1e in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/home/vagrant/util-linux/conftest+0x484e1e)
#2 0x42066c in __msan::MsanDeallocate(__sanitizer::StackTrace*, void*) (/home/vagrant/util-linux/conftest+0x42066c)
#3 0x424bc9 in free (/home/vagrant/util-linux/conftest+0x424bc9)
#4 0x496fae in main /home/vagrant/util-linux/conftest.c:173:2
#5 0x7f2245f311a2 in __libc_start_main (/lib64/libc.so.6+0x271a2)
#6 0x41c2cd in _start (/home/vagrant/util-linux/conftest+0x41c2cd)
configure:20265: $? = 77
configure: program exited with status 77
...
| }
configure:22568: result: no
configure:22926: error: libmount selected, but required scanf string alloc modifier not available
```
Karel Zak [Thu, 6 Aug 2020 09:32:33 +0000 (11:32 +0200)]
libfdisk: fix fdisk_reread_changes() for extended partitions
Linux kernel assumes only 1KiB extended partition to avoid overlapping
with nested logical partitions. We need to follow this rule for
BLKPG_ADD_PARTITION.
Addresses: https://github.com/karelzak/util-linux/issues/1112 Signed-off-by: Karel Zak <kzak@redhat.com>
When invoking hexdump as hd enable the "Canonical" format to by
default, implying the -C option.
This is historic behaviour on Debian and apparently also on FreeBSD.
Some Debian users have asked for this to be restored, after Debian
switched to util-linux' hexdump and hd.
Signed-off-by: Chris Hofstaedtler <zeha@debian.org>
Karel Zak [Mon, 10 Aug 2020 09:37:32 +0000 (11:37 +0200)]
libfdisk: fix last free sector detection if partition size specified
We need to skip useless gaps between partition if the gap is no large
enough for a new partition. Unfortunately, the current code checks
size of the gap, but does not care for location of the gap -- this is
good enough for dialog driven partitioning, but it's pretty bad if
start of the partition is explicitly specified (e.g. sfdisk).
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1860461 Signed-off-by: Karel Zak <kzak@redhat.com>
diff-{{{
--- /home/mfo/git/util-linux/tests/expected/rename/symlink.err 2020-07-14 15:37:42.466207786 -0300
+++ /home/mfo/git/util-linux/tests/output/rename/symlink.err 2020-07-14 15:45:10.984927251 -0300
@@ -1 +1,2 @@
+rename: rename_slink.2: not accessible: No such file or directory
rename: rename_slink.3: No such file or directory
}}}-diff
Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com>
Manual pages: runuser.1, su.1: miscellaneous wording and formatting fixes
Various wording and formatting fixes. Nothing too contentnious, I think,
so I rolled these changes into one patch.
Since there is much common text in su.1 and runuser.1, I've combined
the changes to both pages into one patch, and, as far as possible,
ensured that changes to the common pieces of text match across the
two pages.
Signed-off-by: Michael Kerrisk (man-pages) <mtk.manpages@gmail.com>
Remove a second paragraph macro (.TP, .PP) as it does not change the
output (.SS/.PP) or it adds an extra empty line (.TP/.TP)
Warning from "mandoc -Tlint":
mandoc: ./sys-utils/hwclock.8.in:299:2: WARNING: line scope broken: TP breaks TP
mandoc: ./sys-utils/hwclock.8.in:459:2: WARNING: skipping paragraph macro: PP after SS
mandoc: ./sys-utils/hwclock.8.in:543:2: WARNING: skipping paragraph macro: PP after SS
mandoc: ./sys-utils/hwclock.8.in:574:2: WARNING: skipping paragraph macro: PP after SS
mandoc: ./sys-utils/hwclock.8.in:673:2: WARNING: skipping paragraph macro: PP after SS
mandoc: ./sys-utils/hwclock.8.in:721:2: WARNING: skipping paragraph macro: PP after SS
Karel Zak [Tue, 14 Jul 2020 08:26:44 +0000 (10:26 +0200)]
Merge branch 'coverity' of https://github.com/evverx/util-linux
* 'coverity' of https://github.com/evverx/util-linux:
docs: mention Coverity Scan and the Fossies codespell report
travis: integrate util-linux with Coverity Scan
projects / thirdparty / util-linux.git / log
