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Reported-by: Stanislav Brabec <sbrabec@suse.cz>
Signed-off-by: Karel Zak <kzak@redhat.com>
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It seems there is no elegant way how to recovery if a directory i_zone
(and i_size) is out of reality. Let's require human interaction to
avoid endless loop when executed with --auto, etc.
Addresses: https://github.com/karelzak/util-linux/issues/228
Signed-off-by: Karel Zak <kzak@redhat.com>
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This typo fix is backwards compatible in that fdisk will accept both
the GPT attribute RequiredPartition and RequiredPartiton with the typo.
Update documentation and tests to all use the new attribute name.
Signed-off-by: Sebastian Rasmussen <sebras@gmail.com>
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Fix various typos in error messages, warnings, debug strings,
comments and names of static functions.
Signed-off-by: Sebastian Rasmussen <sebras@gmail.com>
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Signed-off-by: Sebastian Rasmussen <sebras@gmail.com>
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The field s_ninodes in super-block is used for memory allocation and
division without verifications. The memory allocation increments the
unchecked value by 1, making it vulnerable to an integer overflow
on 32 bit systems with minix 3 file systems. I did not find a (good)
way to exploit this by crafting a malicious file system, so I consider
it as a reliability issue. If it's 0, a division by zero occurs when
"-v" has been used. A filesystem without any inodes is definitely
wrong, because it means that there's not even the root inode, which is
accessed unchecked later on.
The field s_firstdatazone has to be checked against s_(n)zones. If it
is larger than the highest allowed index, the file system is definitely
corrupted -- hard to say which value is wrong though, therefore I
decided to simply call die(). A maliciously created file system could
do more harm in this way: single bits inside the memory area could be
flipped because range checks would fail. Hard to consider it as a
security issue though, because these addresses are not arbitrarily
accessible without very careful crafting (if at all possible).
[kzak@redhat.com: - fix compiler warning (cast get_nzones()) [-Wsign-compare]]
Signed-off-by: Karel Zak <kzak@redhat.com>
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Most have standardized correctly, but fix a few latent ones.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Adds an options (l) to the GPT menu to resize the GPT.
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Use the return value of fdisk_reread_partition_table in write_changes so that
sfdisk exits with error if re-reading the partition table fails.
Signed-off-by: Victor Dodon <dodonvictor@gmail.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The option allows to remove filesystes/RAIDs from newly created
partitions before the partition table is updated (and partition
device created).
The default is "auto" in this case wipe is enabled in interactive mode
only and user's confirmation (yes/no dialog) is required. Note that
keep filesystem signature on partition is pretty valid use-case, so we
don't erase anything by default.
Signed-off-by: Karel Zak <kzak@redhat.com>
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The option allows to remove filesystes/RAIDs from newly created
partitions before the partition table is updated (and partition
device created).
The default is "auto" in this case wipe is enabled in interactive mode
only and user's confirmation (yes/no dialog) is required. Note that
keep filesystem signature on partition is pretty valid use-case, so we
don't erase anything by default.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Process A Process B Process C
open()
[creates file]
lock()
[succeed]
open()
[open existing]
lock()...
running()
close()
[...succeed]
unlink()
running()
open()
[creates file] {BAD!}
lock()
[succeed] {BAD!}
running() {BAD!}
close()
Cons: leaves empty (unlocked/harmless) .lock files in /run/fsck/
Signed-off-by: Yuriy M. Kaminskiy <yumkam@gmail.com>
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It might be that the underlying filesystem just doesn't support SELinux
labeling. This fixes creating swap on vfat live media:
# livecd-iso-to-disk.sh --msdos --swap-size-mb 666 ...
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Reported-by: Serge van den Boom <serge+util-linux@vdboom.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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* 'travis-osx' of https://github.com/rudimeier/util-linux:
travis: add OSX build
travis: switch to Ubuntu 14.04 Trusty
build-sys: improve uuidd and script build conditions
build-sys: use AC_PROG_MKDIR_P and remove a few gnuisms
build-sys: add missing "not found" strings
build-sys: fix again UL_SCANF_TYPE_MODIFIER
tests: don't use system's mount commands
tests: improve skipping of old btrfs-tools
tests: remove invalid argument in libmount/debug
tests: skip old socat silently
misc: fix icc/clang compiler warnings
misc: fix printf i386 compiler warnings
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clang warning:
libmount/src/tab.c:1833:6: warning: variable 'rc' is used uninitialized whenever
'if' condition is true [-Wsometimes-uninitialized]
if (!mpc)
^~~~
icc printf warnings:
libmount/src/monitor.c(348): warning #2279: printf/scanf format not a string literal and no format arguments
DBG(MONITOR, ul_debugobj(mn, status == 1 ? " success" : " nothing"));
^
login-utils/vipw.c(348): warning #2279: printf/scanf format not a string literal and no format arguments
: _("You are using shadow passwords on this system.\n"));
^
icc enum warnings:
disk-utils/fdisk-menu.c(150): warning #188: enumerated type mixed with another type
.exclude = FDISK_DISKLABEL_GPT | FDISK_DISKLABEL_BSD,
^
libsmartcols/src/table_print.c(750): warning #188: enumerated type mixed with another type
&width, align,
^
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Earlier printout had strange looking 'Success'.
$ isosize --sectors /dev/urandom
isosize: /dev/urandom: might not be an ISO filesystem
isosize: 733error: le=-1971599244 be=1633181607: Success
...
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Let's add fflush(stdout) before we print to stderr to make output
order more deterministic.
Signed-off-by: Karel Zak <kzak@redhat.com>
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* 'port-osx' of https://github.com/rudimeier/util-linux:
fdisk: fix warning, uninitialized variable
logger: fix compiler warning, const facilitynames
include/bitops: avoid fallbacks for more systems
include/bitops: add casts to bswap functions
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This was a typo in 4afb337e.
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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The file is no portable (#ifdef HAVE_SYS_SYSMACROS_H is necessary),
but needed on many places. It seems better to keep it in c.h.
Signed-off-by: Karel Zak <kzak@redhat.com>
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This reverts commit 46a40c018438b7b2b25083a5e5a4a21055a0c1e9.
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Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Use "when" as argument, to match the argument of --color,
that can have the same three values.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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Only the optional argument should be in italics,
the literal = should be bold.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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BSD/Linux systems stick major/minor/makedev in sysmacros.h. Newer Linux
libraries have been moving away from including sysmacros.h implicitly via
sys/types.h, so include it directly.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Such cast could hide serious compiler warnings in case we are
missing includes (e.g. <stdlib.h> or "xalloc.h").
See
http://stackoverflow.com/questions/605845/do-i-cast-the-result-of-malloc
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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This is again a huge patch regarding printf format strings to
fix compiler warnings seen on clang/OSX.
I'm trying to follow these rules strictly:
#type #format #cast
uintmax_t %ju -
intmax_t %jd -
uint64_t PRIu64 -
int64_t PRId64 -
size_t %zu -
ssize_t %zd -
ino_t %ju (uintmax_t)
off_t %jd (intmax_t)
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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* 'fix-minix' of https://github.com/rudimeier/util-linux:
tests: minix, add a useful non-root check
tests: fix minix tests for big endian
mkfs.minix: fix v2/v3 .badblocks inode number for big endian
fsck.minix: fix v3 version offset
tests: minix, some corrections and cleanup
tests: minix, use hexdump instead of md5sum
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For minix v2/v3 on big endian systems the inode number of the unwanted
".badblocks" file was not set to zero. This was introduced when v3 was
added in a2657ae3.
Actually it did not seem to cause any problems but since we zero it out
at all we should do it correctly. Now we zero out the whole directory
entry (inclusive ".badblocks" file name, also for v1). Unfortunately we
have to update the test data checksums.
CC: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Our test-suite discoverd it on big endian systems, but it was also
broken on little endian for inode numbers > 0xffff.
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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I have validated that we are still compatible at least back to
- openSUSE 11.4
- SLE 11
- RHEL/CentOS 6
- OSX 10.10.x, (Xcode 6.3)
- FreeBSD 10.2
Confirmed incompatibility:
- OSX 10.9.x, (Xcode 6.2)
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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When `rc` is `INT_MAX`, `rc + 1` result in signed integer overflow.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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These ones should be fixed:
libblkid/src/probe.c:393:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/probe.c:907:25: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libblkid/src/probe.c:1221:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:540:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:1043:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:1056:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:1057:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:1061:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/partitions/partitions.c:1199:27: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libblkid/src/partitions/partitions.c:1410:26: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libblkid/src/partitions/partitions.c:1431:25: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libblkid/src/superblocks/linux_raid.c:151:8: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
libblkid/src/superblocks/linux_raid.c:155:2: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
libblkid/src/superblocks/superblocks.c:375:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libblkid/src/superblocks/xfs.c:141:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libsmartcols/src/table.c:333:24: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libsmartcols/src/table.c:344:25: warning: signed and unsigned type in conditional expression [-Wsign-compare]
libsmartcols/src/table_print.c:753:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/ask.c:364:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/utils.c:33:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/context.c:435:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/context.c:730:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/script.c:557:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/dos.c:1791:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
libfdisk/src/gpt.c:813:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
misc-utils/logger.c:408:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
misc-utils/logger.c:408:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
misc-utils/logger.c:408:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
misc-utils/logger.c:408:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
misc-utils/logger.c:408:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
disk-utils/partx.c:140:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
disk-utils/partx.c:551:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
disk-utils/partx.c:640:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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We were missing our nice compliler warnings for many programs
and libs. See next commits how many trivial and non-trival
warnings have to be fixed.
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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* 'port-osx' of https://github.com/rudimeier/util-linux:
include: fix sys/sysinfo.h
libblkid: don't include endian.h
lib: fix ismounted includes for FreeBSD
lib: remove unused variable
lsns: use xcalloc()
include: remove unused mntent.h
include: check for sys/sysmacros.h
lib: define LOGIN_NAME_MAX fallback
include: provide MAP_ANONYMOUS on OSX
lib: rename strmode() and setmode()
tests: fix ts_option helpers
build-sys: fix [g]libtoolize version for OSX
build-sys: check linker support for version scripts
build-sys: portable usage of find command
travis: minor cleanup
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Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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