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Kazuya Mio fbabd5c44c mke2fs: disallow creating FS on a loop mounted file with no option 
When /etc/mtab is a symlink of /proc/mounts, mke2fs without -FF option
can create a filesystem on the image file that is mounted.
According to mke2fs man page, we should specify -FF option in this case.

This patch protects filesystem from unintended mke2fs caused by human error.

How to reproduce:
  # mke2fs -t ext4 -Fq fs.img
  # mount -o loop fs.img /mnt/mp1
  # mke2fs -t ext4 -Fq fs.img && echo "mke2fs success"
  mke2fs success

Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2013-12-16 00:48:54 -05:00
config build: use long long for __u64 by default 2013-12-15 22:10:09 -05:00
contrib contrib/populate-extfs.sh: use debugfs to populate extX fs 2013-10-13 22:09:12 -04:00
debian debian: remove old symlinks to /usr/share/doc 2013-08-11 11:52:35 -04:00
debugfs debugfs: clean up debugfs man page and help text 2013-12-15 22:13:15 -05:00
doc Update Release Notes, Changelogs, version.h, for 1.42.8 release 2013-06-16 18:39:00 -04:00
e2fsck e2fsck: try implied cluster allocation when expanding a dir 2013-12-15 23:54:09 -05:00
ext2ed e2fsprogs: add (optional) sparse checking to the build 2013-10-11 23:12:40 -04:00
include/nonunix Remove trailing whitespace for the entire source tree 2008-08-27 23:07:54 -04:00
install-utils Remove Changelog files since they're not used after the git migration 2007-07-08 08:50:41 -04:00
intl e2fsprogs: add (optional) sparse checking to the build 2013-10-11 23:12:40 -04:00
lib mke2fs: disallow creating FS on a loop mounted file with no option 2013-12-16 00:48:54 -05:00
misc mke2fs: fix force option to create filesystem on mounted device 2013-12-16 00:42:44 -05:00
po build: use long long for __u64 by default 2013-12-15 22:10:09 -05:00
resize build: quiet LLVM non-literal string format warning 2013-12-15 22:12:16 -05:00
tests tests: check backing filesystem can handle large file 2013-12-03 00:11:55 -05:00
util mke2fs: remove quota docs if not configured in 2013-10-14 08:57:17 -04:00
.gitignore build: use long long for __u64 by default 2013-12-15 22:10:09 -05:00
.hgignore Ignore quilt work files 2005-07-19 08:41:27 -05:00
.missing-copyright Many files: 1997-04-29 16:15:03 +00:00
.release-checklist Update release checklist to include reminder to update translation 2008-07-10 17:25:22 -04:00
ABOUT-NLS Update to gettext 0.11.5. We now enable NLS support by default. 2003-05-03 16:35:17 -04:00
aclocal.m4 Enhance build system so that "make V=1" works like the Linux Kernel 2009-07-02 18:19:10 -04:00
configure mke2fs: disallow creating FS on a loop mounted file with no option 2013-12-16 00:48:54 -05:00
configure.in mke2fs: disallow creating FS on a loop mounted file with no option 2013-12-16 00:48:54 -05:00
COPYING Clarify the copyright licenses used by the various libraries in COPYING 2007-06-23 01:04:53 -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 final 1.42.8 release 2013-06-20 23:11:13 -04:00
e2fsprogs.spec.in misc: clean up compiler warnings 2011-06-11 10:58:25 -04:00
INSTALL Add a comment in INSTALL regarding --disable-tls on older systems 2008-07-10 09:08:44 -04:00
INSTALL.elfbin ChangeLog, INSTALL.elfbin: 1999-01-02 04:15:29 +00:00
Makefile.in Fix optional static code analysis using sparse 2013-10-23 20:09:12 -04:00
MCONFIG.in Fix optional static code analysis using sparse 2013-10-23 20:09:12 -04:00
README Update Release Notes, Changelogs, version.h, for 1.42.8 release 2013-06-16 18:39:00 -04:00
README.subset Update release notes, version files for 1.40.4 release 2008-01-01 00:35:17 -05:00
RELEASE-NOTES Update release notes, etc., for final 1.42.8 release 2013-06-20 23:11:13 -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
TODO Update TODO to remove item which is already completed. 2006-05-13 09:28:04 -04:00
version.h Update release notes, etc., for final 1.42.8 release 2013-06-20 23:11:13 -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 (1.42.8) 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.