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Pavel Skripkin 69a71b59b1 reiserfs: add check for invalid 1st journal block 
[ Upstream commit a149127be52fa7eaf5b3681a0317a2bbb772d5a9 ]

syzbot reported divide error in reiserfs.
The problem was in incorrect journal 1st block.

Syzbot's reproducer manualy generated wrong superblock
with incorrect 1st block. In journal_init() wasn't
any checks about this particular case.

For example, if 1st journal block is before superblock
1st block, it can cause zeroing important superblock members
in do_journal_end().

Link: https://lore.kernel.org/r/20210517121545.29645-1-paskripkin@gmail.com
Reported-by: syzbot+0ba9909df31c6a36974d@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-19 09:44:39 +02:00
arch
hugetlb: clear huge pte during flush function on mips platform
2021-07-19 09:44:37 +02:00
block
blk-mq: update hctx->dispatch_busy in case of real scheduler
2021-07-14 16:56:13 +02:00
certs
certs: Add ability to preload revocation certs
2021-06-30 08:47:30 -04:00
crypto
crypto: sm2 - fix a memory leak in sm2
2021-07-14 16:56:06 +02:00
Documentation
powerpc/papr_scm: Make 'perf_stats' invisible if perf-stats unavailable
2021-07-14 16:56:49 +02:00
drivers
drm/bridge: lt9611: Add missing MODULE_DEVICE_TABLE
2021-07-19 09:44:39 +02:00
fs
reiserfs: add check for invalid 1st journal block
2021-07-19 09:44:39 +02:00
include
block: return the correct bvec when checking for gaps
2021-07-14 16:56:53 +02:00
init
sched/core: Initialize the idle task with preemption disabled
2021-07-14 16:55:50 +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
cred: add missing return error code when set_cred_ucounts() failed
2021-07-14 16:56:55 +02:00
lib
lib/math/rational.c: fix divide by zero
2021-07-14 16:56:51 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm/z3fold: use release_z3fold_page_locked() to release locked z3fold page
2021-07-14 16:56:51 +02:00
net
net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
2021-07-19 09:44:38 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:56:23 +02:00
scripts
kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n'
2021-07-14 16:56:04 +02:00
security
evm: fix writing <securityfs>/evm overflow
2021-07-14 16:56:04 +02:00
sound
ALSA: firewire-lib: Fix 'amdtp_domain_start()' when no AMDTP_OUT_STREAM stream is found
2021-07-14 16:56:49 +02:00
tools
perf llvm: Return -ENOMEM when asprintf() fails
2021-07-14 16:56:52 +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 5.10.50
2021-07-14 16:56:55 +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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