Theodore Ts'o 31d4f3a2f3 ext4: check for zero length extent ...

Explicitly test for an extent whose length is zero, and flag that as a
corrupted extent.

This avoids a kernel BUG_ON assertion failure.

Tested: Without this patch, the file system image found in
tests/f_ext_zero_len/image.gz in the latest e2fsprogs sources causes a
kernel panic.  With this patch, an ext4 file system error is noted
instead, and the file system is marked as being corrupted.

https://bugzilla.kernel.org/show_bug.cgi?id=42859

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org

2012-03-11 23:30:16 -04:00

..

acl.c

switch posix_acl_equiv_mode() to umode_t *

2011-08-01 02:10:06 -04:00

acl.h

fs: take the ACL checks to common code

2011-07-25 14:30:23 -04:00

balloc.c

ext4: fix balloc.c printk-format-warning

2012-02-20 17:57:24 -05:00

bitmap.c

ext4: Change unsigned long to unsigned int

2008-11-05 00:14:04 -05:00

block_validity.c

ext2/3/4: delete unneeded includes of module.h

2012-01-09 13:52:10 +01:00

dir.c

ext4: remove an unneeded NULL check in __ext4_check_dir_entry()

2012-02-20 17:53:05 -05:00

ext4_extents.h

ext4: Fix bigalloc quota accounting and i_blocks value

2011-09-09 19:04:51 -04:00

ext4_jbd2.c

jbd2: add debugging information to jbd2_journal_dirty_metadata()

2011-09-04 10:18:14 -04:00

ext4_jbd2.h

ext4: expand commit callback and

2012-02-20 17:53:02 -05:00

ext4.h

ext4: add comments to definition of ext4_io_end_t

2012-03-05 10:40:22 -05:00

extents.c

ext4: check for zero length extent

2012-03-11 23:30:16 -04:00

file.c

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

2011-11-02 10:06:20 -07:00

fsync.c

ext4: fix race between sync and completed io work

2012-03-05 10:29:52 -05:00

hash.c

ext4: Add support for non-native signed/unsigned htree hash algorithms

2008-10-28 13:21:44 -04:00

ialloc.c

ext4: fix race when setting bitmap_uptodate flag

2012-02-20 17:52:46 -05:00

indirect.c

ext2/3/4: delete unneeded includes of module.h

2012-01-09 13:52:10 +01:00

inode.c

ext4: clean up the flags passed to __blockdev_direct_IO

2012-03-05 10:19:52 -05:00

ioctl.c

Merge branch 'for_linus' into for_linus_merged

2012-01-10 11:54:07 -05:00

Kconfig

ext4: Don't ask about supporting ext2/3 in ext4 if ext4 is not configured

2009-12-21 10:54:09 -05:00

Makefile

ext4: move ext4_ind_* functions from inode.c to indirect.c

2011-06-27 19:40:50 -04:00

mballoc.c

ext4: remove EXT4_MB_{BITMAP,BUDDY} macros

2012-02-20 17:54:06 -05:00

mballoc.h

ext4: remove EXT4_MB_{BITMAP,BUDDY} macros

2012-02-20 17:54:06 -05:00

migrate.c

ext4: using PTR_ERR() on the wrong variable in ext4_ext_migrate()

2012-02-20 17:53:06 -05:00

mmp.c

ext4: Fix endianness bug when reading the MMP block

2012-02-27 01:09:03 -05:00

move_extent.c

ext4: add some tracepoints in ext4/extents.c

2011-09-09 19:18:51 -04:00

namei.c

ext4: format flag in dx_probe()

2012-02-20 23:09:36 -05:00

page-io.c

ext4: don't release page refs in ext4_end_bio()

2012-03-05 10:40:15 -05:00

resize.c

ext4: fix resize when resizing within single group

2012-02-20 23:02:06 -05:00

super.c

ext4: try to deprecate noacl and noxattr_user mount options

2012-03-04 22:06:20 -05:00

symlink.c

ext4: symlink must be handled via filesystem specific operation

2010-05-16 02:00:00 -04:00

truncate.h

ext4: move common truncate functions to header file

2011-06-27 19:16:04 -04:00

xattr_security.c

Merge branch 'for_linus' into for_linus_merged

2012-01-10 11:54:07 -05:00

xattr_trusted.c

ext2/3/4: delete unneeded includes of module.h

2012-01-09 13:52:10 +01:00

xattr_user.c

ext2/3/4: delete unneeded includes of module.h

2012-01-09 13:52:10 +01:00

xattr.c

ext4: avoid deadlock on sync-mounted FS w/o journal

2012-02-20 23:06:18 -05:00

xattr.h

fs/vfs/security: pass last path component to LSM on inode creation

2011-02-01 11:12:29 -05:00