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linux/fs/ext4
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Theodore Ts'o 4ea99936a1 ext4: add more paranoia checking in ext4_expand_extra_isize handling 
It's possible to specify a non-zero s_want_extra_isize via debugging
option, and this can cause bad things(tm) to happen when using a file
system with an inode size of 128 bytes.

Add better checking when the file system is mounted, as well as when
we are actually doing the trying to do the inode expansion.

Link: https://lore.kernel.org/r/20191110121510.GH23325@mit.edu
Reported-by: syzbot+f8d6f8386ceacdbfff57@syzkaller.appspotmail.com
Reported-by: syzbot+33d7ea72e47de3bdf4e1@syzkaller.appspotmail.com
Reported-by: syzbot+44b6763edfc17144296f@syzkaller.appspotmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
2019-11-19 12:24:55 -05:00
..
acl.c
ext4: compare old and new mode before setting update_mode flag
2018-12-10 00:22:38 -05:00
acl.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
balloc.c
ext4: clean up kerneldoc warnigns when building with W=1
2019-06-19 16:30:03 -04:00
bitmap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
block_validity.c
ext4: fix potential use after free after remounting with noblock_validity
2019-08-28 11:13:24 -04:00
dir.c
ext4: fix kernel oops caused by spurious casefold flag
2019-09-03 01:43:17 -04:00
ext4_extents.h
ext4: adjust reserved cluster count when removing extents
2018-10-01 14:25:08 -04:00
ext4_jbd2.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
ext4_jbd2.h
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
ext4.h
Merge branch 'mb/dio' into master
2019-11-05 16:21:09 -05:00
extents_status.c
ext4: use percpu_counters for extent_status cache hits/misses
2019-08-28 11:19:23 -04:00
extents_status.h
ext4: use percpu_counters for extent_status cache hits/misses
2019-08-28 11:19:23 -04:00
extents.c
Merge branch 'mb/dio' into master
2019-11-05 16:21:09 -05:00
file.c
ext4: introduce direct I/O write using iomap infrastructure
2019-11-05 15:53:28 -05:00
fsmap.c
ext4: fix miscellaneous sparse warnings
2019-05-12 04:49:47 -04:00
fsmap.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
fsync.c
ext4: update ext4_sync_file() to not use __generic_file_fsync()
2019-11-05 11:31:40 -05:00
hash.c
ext4: fix kernel oops caused by spurious casefold flag
2019-09-03 01:43:17 -04:00
ialloc.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
indirect.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
inline.c
ext4: set error return correctly when ext4_htree_store_dirent fails
2019-08-12 14:29:38 -04:00
inode.c
ext4: add more paranoia checking in ext4_expand_extra_isize handling
2019-11-19 12:24:55 -05:00
ioctl.c
Added new ext4 debugging ioctls to allow userspace to get information
2019-09-21 13:37:39 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
ext4: add basic fs-verity support
2019-08-12 19:33:50 -07:00
mballoc.c
ext4: clean up kerneldoc warnigns when building with W=1
2019-06-19 16:30:03 -04:00
mballoc.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
migrate.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
mmp.c
ext4: don't mark mmp buffer head dirty
2018-09-15 17:11:25 -04:00
move_extent.c
ext4: use jbd2_inode dirty range scoping
2019-06-20 17:26:26 -04:00
namei.c
ext4: Do not iput inode under running transaction
2019-11-05 12:13:25 -05:00
page-io.c
ext4: Add support for blocksize < pagesize in dioread_nolock
2019-10-22 15:32:53 -04:00
readpage.c
ext4: add fs-verity read support
2019-08-12 19:33:51 -07:00
resize.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
super.c
ext4: add more paranoia checking in ext4_expand_extra_isize handling
2019-11-19 12:24:55 -05:00
symlink.c
ext4: switch to fscrypt_get_symlink()
2018-01-11 22:10:40 -05:00
sysfs.c
ext4: add basic fs-verity support
2019-08-12 19:33:50 -07:00
truncate.h
ext4: handle layout changes to pinned DAX mappings
2018-07-29 17:00:22 -04:00
verity.c
ext4: add basic fs-verity support
2019-08-12 19:33:50 -07:00
xattr_security.c
ext4: use XATTR_CREATE in ext4_initxattrs()
2018-05-10 11:52:14 -04:00
xattr_trusted.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr_user.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
xattr.h
ext4: add extra checks to ext4_xattr_block_get()
2018-03-30 20:04:11 -04:00