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Filename Latest commit message Latest commit date
Miklos Szeredi f9f300a922 ovl: fix warning in ovl_create_real()
commit 1f5573cfe7a7056e80a92c7a037a3e69f3a13d1c upstream.

Syzbot triggered the following warning in ovl_workdir_create() ->
ovl_create_real():

	if (!err && WARN_ON(!newdentry->d_inode)) {

The reason is that the cgroup2 filesystem returns from mkdir without
instantiating the new dentry.

Weird filesystems such as this will be rejected by overlayfs at a later
stage during setup, but to prevent such a warning, call ovl_mkdir_real()
directly from ovl_workdir_create() and reject this case early.

Reported-and-tested-by: syzbot+75eab84fd0af9e8bf66b@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-22 09:29:40 +01:00
arch ARM: dts: imx6ull-pinfunc: Fix CSI_DATA07__ESAI_TX0 pad name 2021-12-22 09:29:39 +01:00
block block: fix ioprio_get(IOPRIO_WHO_PGRP) vs setuid(2) 2021-12-14 14:49:02 +01:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:47:29 +02:00
crypto crypto: pcrypt - Delay write to padata->info 2021-11-17 09:48:40 +01:00
Documentation dt-bindings: net: Reintroduce PHY no lane swap binding 2021-12-14 14:49:03 +01:00
drivers media: mxl111sf: change mutex_init() location 2021-12-22 09:29:40 +01:00
fs ovl: fix warning in ovl_create_real() 2021-12-22 09:29:40 +01:00
include net: sched: lock action when translating it to flow_action infra 2021-12-22 09:29:37 +01:00
init kbuild: add CONFIG_LD_IS_LLD 2021-06-30 08:47:44 -04:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-01 09:23:35 +01:00
kernel timekeeping: Really make sure wall_to_monotonic isn't positive 2021-12-22 09:29:39 +01:00
lib siphash: use _unaligned version by default 2021-12-08 09:01:12 +01:00
LICENSES
mm memblock: ensure there is no overflow in memblock_overlaps_region() 2021-12-17 10:12:24 +01:00
net xsk: Do not sleep in poll() when need_wakeup set 2021-12-22 09:29:39 +01:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-17 09:48:39 +01:00
scripts recordmcount.pl: look for jgnop instruction as well as bcrl on s390 2021-12-22 09:29:35 +01:00
security selinux: fix race condition when computing ocontext SIDs 2021-12-17 10:12:24 +01:00
sound ASoC: qdsp6: q6routing: Fix return value from msm_routing_put_audio_mixer 2021-12-14 14:49:03 +01:00
tools selftest/net/forwarding: declare NETIFS p9 p10 2021-12-22 09:29:36 +01:00
usr
virt KVM: do not shrink halt_poll_ns below grow_start 2021-10-09 14:39:50 +02:00
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COPYING
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Makefile Linux 5.4.167 2021-12-17 10:12:25 +01:00
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.