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linux/fs/ext4
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Theodore Ts'o 4820f7e124 ext4: fix punch hole for inline_data file systems 
commit c1e8220bd316d8ae8e524df39534b8a412a45d5e upstream.

If a program attempts to punch a hole on an inline data file, we need
to convert it to a normal file first.

This was detected using ext4/032 using the adv configuration.  Simple
reproducer:

mke2fs -Fq -t ext4 -O inline_data /dev/vdc
mount /vdc
echo "" > /vdc/testfile
xfs_io -c 'truncate 33554432' /vdc/testfile
xfs_io -c 'fpunch 0 1048576' /vdc/testfile
umount /vdc
e2fsck -fy /dev/vdc

Cc: stable@vger.kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-05 12:30:35 +02:00
..
acl.c
ext4: Don't clear SGID when inheriting ACLs
2017-10-12 11:51:26 +02:00
acl.h
…
balloc.c
ext4: check for allocation block validity with block group locked
2018-08-03 07:55:26 +02:00
bitmap.c
ext4: remove unused header files
2015-04-02 23:47:42 -04:00
block_validity.c
ext4: add missing KERN_CONT to a few more debugging uses
2016-10-15 09:57:31 -04:00
dir.c
ext4: allow directory holes
2019-08-04 09:33:32 +02:00
ext4_extents.h
ext4: verify the depth of extent tree in ext4_find_extent()
2018-07-11 16:26:44 +02:00
ext4_jbd2.c
ext4: fix potential use after free in __ext4_journal_stop
2015-10-17 22:57:06 -04:00
ext4_jbd2.h
ext4: fix NULL pointer dereference while journal is aborted
2019-03-27 14:13:03 +09:00
ext4.h
ext4: avoid running out of journal credits when appending to an inline file
2018-10-20 09:51:32 +02:00
extents_status.c
ext4: remove trailing \n from ext4_warning/ext4_error calls
2016-04-27 01:11:21 -04:00
extents_status.h
ext4: move procfs registration code to fs/ext4/sysfs.c
2015-09-23 12:46:17 -04:00
extents.c
ext4: fix warning inside ext4_convert_unwritten_extents_endio
2019-10-05 12:30:35 +02:00
file.c
ext4: fix data corruption caused by overlapping unaligned and aligned IO
2019-05-21 18:49:01 +02:00
fsync.c
ext4: cleanup ext4_sync_parent()
2016-09-05 23:21:43 -04:00
hash.c
ext4: remove unused header files
2015-04-02 23:47:42 -04:00
ialloc.c
ext4: fix check to prevent initializing reserved inodes
2018-08-15 18:14:41 +02:00
indirect.c
ext4: cleanup bh release code in ext4_ind_remove_space()
2019-04-05 22:29:04 +02:00
inline.c
ext4: fix a potential fiemap/page fault deadlock w/ inline_data
2019-01-16 22:12:32 +01:00
inode.c
ext4: fix punch hole for inline_data file systems
2019-10-05 12:30:35 +02:00
ioctl.c
ext4: actually request zeroing of inode table after grow
2019-05-21 18:48:59 +02:00
Kconfig
ext4 crypto: migrate into vfs's crypto engine
2016-07-10 14:01:03 -04:00
Makefile
ext4 crypto: migrate into vfs's crypto engine
2016-07-10 14:01:03 -04:00
mballoc.c
ext4: fix spectre gadget in ext4_mb_regular_allocator()
2018-08-24 13:12:41 +02:00
mballoc.h
ext4: add missing KERN_CONT to a few more debugging uses
2016-10-15 09:57:31 -04:00
migrate.c
ext4: fix misspellings in comments.
2016-03-09 23:49:05 -05:00
mmp.c
ext4: don't mark mmp buffer head dirty
2018-09-29 03:07:34 -07:00
move_extent.c
ext4: fix argument checking in EXT4_IOC_MOVE_EXT
2018-11-13 11:16:52 -08:00
namei.c
ext4: allow directory holes
2019-08-04 09:33:32 +02:00
page-io.c
fs: use mapping_set_error instead of opencoded set_bit
2016-10-11 15:06:33 -07:00
readpage.c
Merge branch 'akpm' (patches from Andrew)
2016-07-26 19:55:54 -07:00
resize.c
ext4: report real fs size after failed resize
2019-04-20 09:07:46 +02:00
super.c
ext4: fix ext4_show_options for file systems w/o journal
2019-05-21 18:48:59 +02:00
symlink.c
Merge branch 'work.xattr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 17:11:50 -07:00
sysfs.c
ext4: sysfs: print ext4_super_block fields as little-endian
2018-09-05 09:20:06 +02:00
truncate.h
ext4: fix races between page faults and hole punching
2015-12-07 14:28:03 -05:00
xattr_security.c
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
xattr_trusted.c
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
xattr_user.c
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
xattr.c
ext4: include terminating u32 in size of xattr entries when expanding inodes
2019-01-09 16:16:43 +01:00
xattr.h
ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea()
2017-03-12 06:41:41 +01:00