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Mihai Moldovan d3b1d4c188 osdep/linux: Convert partition start to disk sector length
When reading data off a disk, sector values are based on the disk sector
length.

Within grub_util_fd_open_device(), the start of the partition was taken
directly from grub's partition information structure, which uses the
internal sector length (currently 512b), but never transformed to the
disk's sector length.

Subsequent calculations were all wrong for devices that have a diverging
sector length and the functions eventually skipped to the wrong stream
location, reading invalid data.

Signed-off-by: Mihai Moldovan <ionic@ionic.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2020-09-21 13:29:05 -04:00
asm-tests asm-tests/i386-pc: Check that movl is 5 bytes. 2016-09-28 20:31:04 +03:00
build-aux Autogenerate ChangeLog from git changelog. 2015-01-24 17:29:50 +01:00
conf python: Use AM_PATH_PYTHON to determine interpreter for gentpl.py 2020-09-21 13:29:05 -04:00
docs templates: Update grub script template files 2020-09-21 13:19:10 -04:00
grub-core osdep/linux: Convert partition start to disk sector length 2020-09-21 13:29:05 -04:00
include grub-module-verifier: Report the filename or modname in errors 2020-09-21 13:19:10 -04:00
m4 update m4/extern-inline.m4 to upstream version to fix compilation on FreeBSD 2015-03-05 19:25:56 +03:00
po fs: Add F2FS support 2020-09-21 12:43:53 -04:00
tests tests: Fix qemu options for UHCI test 2020-09-21 13:19:10 -04:00
themes/starfield Starfield theme. 2012-02-23 17:21:38 +01:00
unicode * unicode: Import Unicode 6.0 data. 2011-12-25 16:17:25 +01:00
util grub-reboot: Warn when "for the next boot only" promise cannot be kept 2020-09-21 13:29:05 -04:00
.gitignore Merge remote-tracking branch 'upstream/master' 2017-01-23 14:02:45 -08:00
ABOUT-NLS automake commit without merge history 2010-05-06 11:34:04 +05:30
acinclude.m4 Fix -nopie/-nopie check. 2017-01-30 19:38:55 +01:00
AUTHORS 2005-09-03 Yoshinori K. Okuji <okuji@enbug.org> 2005-09-03 16:54:27 +00:00
autogen.sh autogen: Use cp instead of ln -s. 2015-11-08 18:45:57 +01:00
BUGS * BUGS: New file. 2011-01-11 00:06:01 +01:00
ChangeLog-2015 Autogenerate ChangeLog from git changelog. 2015-01-24 17:29:50 +01:00
config.h.in Remove libgcc dependency. 2015-03-03 20:50:37 +01:00
configure.ac python: Use AM_PATH_PYTHON to determine interpreter for gentpl.py 2020-09-21 13:29:05 -04:00
COPYING 2007-07-22 Yoshinori K. Okuji <okuji@enbug.org> 2007-07-21 23:32:33 +00:00
coreboot.cfg * coreboot.cfg: Add missing file. 2013-11-20 00:52:23 +01:00
geninit.sh automake commit without merge history 2010-05-06 11:34:04 +05:30
gentpl.py arm_coreboot: Support EHCI. 2020-09-21 11:32:45 -04:00
INSTALL build: Use pkg-config to find FreeType 2020-09-21 13:29:05 -04:00
linguas.sh linguas: Don't skip ko.po. 2017-02-04 00:06:57 +01:00
Makefile.am build: Capitalise *freetype_* variables 2020-09-21 13:29:05 -04:00
Makefile.util.def build: Capitalise *freetype_* variables 2020-09-21 13:29:05 -04:00
NEWS NEWS updates 2016-11-22 20:51:54 +03:00
README README: Remove dead link to the wiki 2015-11-06 04:31:23 +01:00
THANKS 2009-12-11 Robert Millan <rmh.grub@aybabtu.com> 2009-12-11 22:44:47 +00:00
TODO TODO: Remove obsolete link 2016-02-12 17:51:52 +01:00

This is GRUB 2, the second version of the GRand Unified Bootloader.
GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more
robust, more powerful, and more portable.

See the file NEWS for a description of recent changes to GRUB 2.

See the file INSTALL for instructions on how to build and install the
GRUB 2 data and program files.

Please visit the official web page of GRUB 2, for more information.
The URL is <http://www.gnu.org/software/grub/grub.html>.

More extensive documentation is available in the Info manual,
accessible using 'info grub' after building and installing GRUB 2.

There are a number of important user-visible differences from the
first version of GRUB, now known as GRUB Legacy. For a summary, please
see:

  info grub Introduction 'Changes from GRUB Legacy'