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Bob Peterson cd928d387b gfs2: check for empty rgrp tree in gfs2_ri_update 
commit 778721510e84209f78e31e2ccb296ae36d623f5e upstream.

If gfs2 tries to mount a (corrupt) file system that has no resource
groups it still tries to set preferences on the first one, which causes
a kernel null pointer dereference. This patch adds a check to function
gfs2_ri_update so this condition is detected and reported back as an
error.

Reported-by: syzbot+e3f23ce40269a4c9053a@syzkaller.appspotmail.com
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-11 13:23:32 +01:00
arch
x86/uprobes: Do not use prefixes.nbytes when looping over prefixes.bytes
2020-12-11 13:23:30 +01:00
block
blk-cgroup: Pre-allocate tree node on blkg_conf_prep
2020-11-10 12:37:30 +01:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: algif_skcipher - EBUSY on aio should be an error
2020-10-29 09:57:30 +01:00
Documentation
dt-bindings: net: correct interrupt flags in examples
2020-12-08 10:40:25 +01:00
drivers
iommu/amd: Set DTE[IntTabLen] to represent 512 IRTEs
2020-12-11 13:23:31 +01:00
fs
gfs2: check for empty rgrp tree in gfs2_ri_update
2020-12-11 13:23:32 +01:00
include
genirq/irqdomain: Add an irq_create_mapping_affinity() function
2020-12-11 13:23:30 +01:00
init
printk: reduce LOG_BUF_SHIFT range for H8300
2020-11-05 11:43:16 +01:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
tracing: Fix userstacktrace option for instances
2020-12-11 13:23:32 +01:00
lib
lib/syscall: fix syscall registers retrieval on 32-bit platforms
2020-12-11 13:23:32 +01:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/swapfile: do not sleep with a spin lock held
2020-12-11 13:23:31 +01:00
net
can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
2020-12-11 13:23:32 +01:00
samples
samples/bpf: Fix possible deadlock in xdpsock
2020-11-05 11:43:17 +01:00
scripts
scripts/setlocalversion: make git describe output more reliable
2020-11-01 12:01:01 +01:00
security
ima: extend boot_aggregate with kernel measurements
2020-12-08 10:40:24 +01:00
sound
ALSA: hda/generic: Add option to enforce preferred_dacs pairs
2020-12-11 13:23:29 +01:00
tools
x86/uprobes: Do not use prefixes.nbytes when looping over prefixes.bytes
2020-12-11 13:23:30 +01:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
2020-12-02 08:49:46 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.82
2020-12-08 10:40:28 +01:00
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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