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Juergen Gross a94e4a7b77 tty: hvc: replace BUG_ON() with negative return value 
commit e679004dec37566f658a255157d3aed9d762a2b7 upstream.

Xen frontends shouldn't BUG() in case of illegal data received from
their backends. So replace the BUG_ON()s when reading illegal data from
the ring page with negative return values.

Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210707091045.460-1-jgross@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-01 09:19:10 +01:00
arch
MIPS: use 3-level pgtable for 64KB page size on MIPS_VA_BITS_48
2021-12-01 09:19:07 +01:00
block
block: Check ADMIN before NICE for IOPRIO_CLASS_RT
2021-11-26 10:39:19 +01:00
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: pcrypt - Delay write to padata->info
2021-11-18 14:04:12 +01:00
Documentation
netfilter: ipvs: Fix reuse connection if RS weight is 0
2021-12-01 09:19:02 +01:00
drivers
tty: hvc: replace BUG_ON() with negative return value
2021-12-01 09:19:10 +01:00
fs
smb3: do not error on fsync when readonly
2021-12-01 09:19:08 +01:00
include
xen: sync include/xen/interface/io/ring.h with Xen's newest version
2021-12-01 09:19:09 +01:00
init
bootconfig: init: Fix memblock leak in xbc_make_cmdline()
2021-11-21 13:46:35 +01:00
ipc
ipc: WARN if trying to remove ipc object which is absent
2021-11-26 10:39:19 +01:00
kernel
tracing: Check pid filtering when creating events
2021-12-01 09:19:09 +01:00
lib
lib/xz: Validate the value before assigning it to an enum variable
2021-11-18 14:03:58 +01:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
hugetlbfs: flush TLBs correctly after huge_pmd_unshare
2021-11-26 10:39:21 +01:00
net
tcp: correctly handle increased zerocopy args struct size
2021-12-01 09:19:08 +01:00
samples
samples/kretprobes: Fix return value if register_kretprobe() failed
2021-11-18 14:04:11 +01:00
scripts
scripts/lld-version.sh: Rewrite based on upstream ld-version.sh
2021-11-21 13:46:37 +01:00
security
selinux: fix NULL-pointer dereference when hashtab allocation fails
2021-11-26 10:39:21 +01:00
sound
ALSA: intel-dsp-config: add quirk for JSL devices based on ES8336 codec
2021-12-01 09:19:04 +01:00
tools
perf tests: Remove bash construct from record+zstd_comp_decomp.sh
2021-11-26 10:39:13 +01:00
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 shrink halt_poll_ns below grow_start
2021-10-09 14:40:58 +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 5.10.82
2021-11-26 10:39:22 +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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