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Theodore Ts'o 225e5d093b e2fsck: fix f_baddotdir failure on big-endian systems 
Commit 63f44aafb1 ("e2fsck: fix ".." more gracefully if possible")
changed the check_dot() function to try to avoid resetting the '..'
entry when the '.' entry is too large..  But if we do that, then on
big-endian systems, we need to try byte swapping the rest of the
directory entries, or else the f_baddotdir test will fail on
big-endian systems.

Also add a check to avoid UBSAN warning when there is not enough space
at the end of the directory block for a directory entry, and so we can
potentially overflow some pointer arithmetic when trying to byte swap
the remainder of the (negative) space in the directory block.

Fixes: 63f44aafb1 ("e2fsck: fix ".." more gracefully if possible")
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2021-07-28 14:40:49 -04:00
config Update gettext files to version 0.19.8 2020-11-25 11:55:46 -05:00
contrib AOSP: Move system_shared_libs into target.bionic clause 2021-07-27 12:31:55 -04:00
debian Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
debugfs AOSP: Move system_shared_libs into target.bionic clause 2021-07-27 12:31:55 -04:00
doc Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
e2fsck e2fsck: fix f_baddotdir failure on big-endian systems 2021-07-28 14:40:49 -04:00
ext2ed ext2ed: fix potential NULL pointer dereference in dupstr() 2021-07-15 23:59:21 -04:00
include libext2fs: code adaptation to use the Windows IO manager 2021-03-31 16:09:14 -04:00
install-utils Remove Changelog files since they're not used after the git migration 2007-07-08 08:50:41 -04:00
lib AOSP: Add a new upstream source file to lib/e2p/Android.bp 2021-07-27 12:26:00 -04:00
misc Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
po Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
resize AOSP: Move system_shared_libs into target.bionic clause 2021-07-27 12:31:55 -04:00
scrub Define MKDIR_P in the Makefile.in files instead in MCONFIG.in 2020-10-04 23:05:01 -04:00
tests e2fsck: fix ".." more gracefully if possible 2021-07-06 15:43:21 -04:00
util libext2fs: code adaptation to use the Windows IO manager 2021-03-31 16:09:14 -04:00
.gitignore misc: add e2mmpstatus utility via dumpe2fs 2018-06-22 18:22:37 -04:00
.missing-copyright Many files: 1997-04-29 16:15:03 +00:00
.release-checklist Update release notes, etc., for the 1.46.2 release 2021-02-28 21:46:44 -05:00
ABOUT-NLS Update gettext files to version 0.19.8 2020-11-25 11:55:46 -05:00
acinclude.m4 configure: don't fail if /usr/include/sys/mount.h does not exist 2019-11-13 13:55:29 -05:00
aclocal.m4 Add configure and build support for the pthreads library 2021-01-21 10:50:40 -05:00
Android.bp AOSP: Move system_shared_libs into target.bionic clause 2021-07-27 12:31:55 -04:00
CleanSpec.mk AOSP: e2fsdroid and mke2fs are dynamic executable in recovery partition 2018-06-27 23:51:40 -04:00
configure ext2fs: compile the io implementation according to os 2021-03-31 16:09:23 -04:00
configure.ac ext2fs: compile the io implementation according to os 2021-03-31 16:09:23 -04:00
depfix.sed Update Release Notes, Changelogs, version.h, etc. for 1.42 release 2011-11-29 16:48:14 -05:00
e2fsprogs.lsm Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
e2fsprogs.spec Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
INSTALL Fix typos in code comments and developer docs 2017-10-15 23:00:11 -04:00
INSTALL.elfbin Fix typos in code comments and developer docs 2017-10-15 23:00:11 -04:00
Makefile.in Merge branch 'maint' into next 2021-01-19 23:58:57 -05:00
MCONFIG.in Include PTHREAD_CFLAGS in LDFLAGS* macros 2021-01-23 01:02:19 -05:00
NOTICE e2fsprogs: fix Free Software Foundation address 2018-04-19 11:39:09 -04:00
README Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
RELEASE-NOTES Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
SHLIBS Many files: 1997-04-29 16:15:03 +00:00
SUBMITTING-PATCHES Added SUBMITTING-PATCHES file 2005-07-05 22:30:13 -05:00
version.h Update release notes, etc., for the 1.46.3 release 2021-07-27 13:38:14 -04:00
wordwrap.pl Fix wordwrap.pl so it is more portable 2012-09-21 12:50:04 -04:00

README 

	This is the new version (1.46.3) of the second extended file
system management programs.

	From time to time, I release new versions of e2fsprogs, to fix
bugs and to make the utilities more robust.  You can always find
information about the latest version at the the e2fsprogs web page,
which is:

	http://e2fsprogs.sourceforge.net

	The INSTALL file has instructions on building and installing
e2fsprogs.  Provisions for building Red Hat RPMs and Debian dpkg files
are supplied as well.

	In case of bugs in these programs, please contact Ted Ts'o at
tytso@mit.edu or tytso@alum.mit.edu.  See the e2fsck man page for
suggestions of what sort of information to include when submitting bug
reports for these programs.