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Haimin Zhang deb2949417 KVM: x86: Handle SRCU initialization failure during page track init 
commit eb7511bf9182292ef1df1082d23039e856d1ddfb upstream.

Check the return of init_srcu_struct(), which can fail due to OOM, when
initializing the page track mechanism.  Lack of checking leads to a NULL
pointer deref found by a modified syzkaller.

Reported-by: TCS Robot <tcs_robot@tencent.com>
Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
Message-Id: <1630636626-12262-1-git-send-email-tcs_kernel@tencent.com>
[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-06 15:56:04 +02:00
arch
KVM: x86: Handle SRCU initialization failure during page track init
2021-10-06 15:56:04 +02:00
block
Revert "block, bfq: honor already-setup queue merges"
2021-10-06 15:55:56 +02:00
certs
certs: Trigger creation of RSA module signing key if it's not an RSA key
2021-09-15 09:50:29 +02:00
crypto
crypto: sm2 - fix a memory leak in sm2
2021-07-14 16:56:06 +02:00
Documentation
dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
2021-09-22 12:27:59 +02:00
drivers
HID: usbhid: free raw_report buffers in usbhid_stop
2021-10-06 15:56:03 +02:00
fs
ext4: fix potential infinite loop in ext4_dx_readdir()
2021-10-06 15:56:02 +02:00
include
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
2021-10-06 15:55:58 +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
bpf: Exempt CAP_BPF from checks against bpf_jit_limit
2021-10-06 15:55:55 +02:00
lib
treewide: Change list_sort to use const pointers
2021-09-30 10:11:04 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm: don't allow oversized kvmalloc() calls
2021-10-06 15:56:03 +02:00
net
netfilter: ipset: Fix oversized kvmalloc() calls
2021-10-06 15:56:03 +02:00
samples
samples: bpf: Fix tracex7 error raised on the missing argument
2021-09-18 13:40:23 +02:00
scripts
gen_compile_commands: fix missing 'sys' package
2021-09-22 12:27:58 +02:00
security
Smack: Fix wrong semantics in smk_access_entry()
2021-09-18 13:40:18 +02:00
sound
ASoC: dapm: use component prefix when checking widget names
2021-10-06 15:56:02 +02:00
tools
selftests, bpf: test_lwt_ip_encap: Really disable rp_filter
2021-10-06 15:55:55 +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 leak memory for duplicate debugfs directories
2021-08-12 13:22:17 +02:00
.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 5.10.70
2021-09-30 10:11:08 +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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