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Report of the static analyzer:
Variable vi->alignment, whose possible value set allows a zero value at ubinize.c:375, is used as a denominator at ubinize.c:410.
If you look at the code more closely, it will be clear that the vi->alignment parameter is obtained from an external file passed as a command line argument.
A check was also performed if you pass a test.ini file of the following type to the input:
[jffs2-volume]
mode=ubi
image=../jffs2.img
vol_id=1
vol_size=30MiB
vol_type=dynamic
vol_name=jffs2_volume
vol_flags=autoresize
vol_alignment=0
and execute the command:
./ubinize -o ubi.img -p 16KiB -m 512 -s 256 test.ini
we will get the result:
Floating point exception (core dumped)
Corrections explained:
Updated the validation logic for vi->alignment:
- Replaced the check for negative alignment (`vi->id < 0`) with a more comprehensive check for non-positive alignment (`vi->alignment <= 0`).
- Updated the corresponding error message to reflect the requirement for a positive volume alignment.
This ensures more robust validation and improves error clarity when invalid alignment values are encountered.
Triggers found by static analyzer Svace.
Signed-off-by: Anton Moryakov <ant.v.moryakov@gmail.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Bastian Germann <bastiangermann@fishpost.de>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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...specifically -1 in all of the new cases.
Signed-off-by: Patrick Doyle <pdoyle@irobot.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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when opening
Let's let the user configure static UBI volume with CRC checking at
opening disabled if desired.
Introduce the skip-check setting for vol_flags configuration of a
volume.
There is no point in having both autoresize and skip-check set as
skip-check is reserved for static volumes only and it's useless to have
a static volume's size set to autoresize.
Suggested-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch moves the remaining 3 functions from ubiutils-common.{c,h}
into libmtd common.{c,h}.
The functions are only generic utility functions that other mtd-utils
programs may also find usefull and every program that uses libubi links
against libmtd anyway so there is no real reason for keeping around a
seperate ubiutils-common with only generic helper functions.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch removes the lengthy help text from the ubinize utility
that attempted to describte the file format and every minor detail,
and reformats it into a more readable man page.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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ubinize should not fail silenty, this can be very annoying when using
it from other tools that rely on the exit code for determining the
success of their operation.
Signed-off-by: Enrico Jorns <ejo@pengutronix.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Drop duplicate "and the", and tweak grammar slightly.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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More utilities now use the common VERSION system.
For utils that printed a very simple message, we use the new
common_print_version() "function."
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
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The ubi-utils/src/ subdir is tossed as it just complicates things for no
real gain. The dictionary.h header is relocated to the ubi-utils/include/
since other headers in there need it.
The top level clean is replaced with a `find -delete` on objects, so it
might prune more than necessary, but many projects now do this sort of
thing and no one complained there.
A "mkdep" helper generates the actual rule, and the variables are used
with "foreach" to expand these automatically.
The tests subdir is updated only to reflect the ubi-utils source move.
Otherwise, it is left untouched as making that non-recursive isn't really
worth the effort.
While we're gutting things, also through in kbuild style output while
building to make things more legible.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
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