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Anirudh Rayabharam ea5466f1a7 ext4: fix kernel infoleak via ext4_extent_header 
commit ce3aba43599f0b50adbebff133df8d08a3d5fffe upstream.

Initialize eh_generation of struct ext4_extent_header to prevent leaking
info to userspace. Fixes KMSAN kernel-infoleak bug reported by syzbot at:
http://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8

Cc: stable@kernel.org
Reported-by: syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com
Fixes: a86c61812637 ("[PATCH] ext3: add extent map support")
Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Link: https://lore.kernel.org/r/20210506185655.7118-1-mail@anirudhrb.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-14 16:55:40 +02:00
arch
ARM: dts: at91: sama5d4: fix pinctrl muxing
2021-07-14 16:55:40 +02:00
block
blk-mq: Swap two calls in blk_mq_exit_queue()
2021-05-19 10:13:14 +02:00
certs
certs: Add ability to preload revocation certs
2021-06-30 08:47:30 -04:00
crypto
async_xor: check src_offs is not NULL before updating it
2021-06-16 12:01:40 +02:00
Documentation
mm/slub: clarify verification reporting
2021-06-23 14:42:53 +02:00
drivers
crypto: ccp - Annotate SEV Firmware file names
2021-07-14 16:55:39 +02:00
fs
ext4: fix kernel infoleak via ext4_extent_header
2021-07-14 16:55:40 +02:00
include
certs: Add EFI_CERT_X509_GUID support for dbx entries
2021-06-30 08:47:30 -04:00
init
pid: take a reference when initializing cad_pid
2021-06-10 13:39:26 +02:00
ipc
ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
2021-05-26 12:06:54 +02:00
kernel
swiotlb: manipulate orig_addr when tlb_addr has offset
2021-06-30 08:47:29 -04:00
lib
iov_iter_fault_in_readable() should do nothing in xarray case
2021-07-14 16:55:39 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm, futex: fix shared futex pgoff on shmem huge page
2021-06-30 08:47:29 -04:00
net
Bluetooth: Remove spurious error message
2021-07-14 16:55:34 +02:00
samples
samples: vfio-mdev: fix error handing in mdpy_fb_probe()
2021-06-10 13:39:15 +02:00
scripts
certs: Add ability to preload revocation certs
2021-06-30 08:47:30 -04:00
security
integrity: Load mokx variables into the blacklist keyring
2021-06-30 08:47:30 -04:00
sound
ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 830 G8 Notebook PC
2021-07-14 16:55:37 +02:00
tools
selftests/lkdtm: Avoid needing explicit sub-shell
2021-07-14 16:55:38 +02:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
KVM: do not allow mapping valid but non-reference-counted pages
2021-06-30 08:47:25 -04:00
.clang-format
RDMA 5.10 pull request
2020-10-17 11:18:18 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
kbuild: generate Module.symvers only when vmlinux exists
2021-05-19 10:12:59 +02:00
.mailmap
mailmap: add two more addresses of Uwe Kleine-König
2020-12-06 10:19:07 -08:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Jason Cooper to CREDITS
2020-11-30 10:20:34 +01:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
f2fs: move ioctl interface definitions to separated file
2021-05-19 10:13:00 +02:00
Makefile
Linux 5.10.49
2021-07-11 12:53:32 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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