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Alex Henrie aa8fd3a636 net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr 
[ Upstream commit f31867d0d9 ]

The existing code incorrectly casted a negative value (the result of a
subtraction) to an unsigned value without checking. For example, if
/proc/sys/net/ipv6/conf/*/temp_prefered_lft was set to 1, the preferred
lifetime would jump to 4 billion seconds. On my machine and network the
shortest lifetime that avoided underflow was 3 seconds.

Fixes: 76506a986d ("IPv6: fix DESYNC_FACTOR")
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-19 12:28:02 +02:00
arch
x86/virt: Drop unnecessary check on extended CPUID level in cpu_has_svm()
2023-09-19 12:27:59 +02:00
block
blk-throttle: consider 'carryover_ios/bytes' in throtl_trim_slice()
2023-09-19 12:28:00 +02:00
certs
certs: Fix build error when PKCS#11 URI contains semicolon
2023-02-09 11:28:11 +01:00
crypto
X.509: if signature is unsupported skip validation
2023-09-13 09:43:03 +02:00
Documentation
dt-bindings: clock: xlnx,versal-clk: drop select:false
2023-09-19 12:27:57 +02:00
drivers
veth: Fixing transmit return status for dropped packets
2023-09-19 12:28:02 +02:00
fs
smb: propagate error code of extract_sharename()
2023-09-19 12:28:00 +02:00
include
ipv6: ignore dst hint for multipath routes
2023-09-19 12:28:01 +02:00
init
sched/psi: Select KERNFS as needed
2023-09-13 09:42:28 +02:00
io_uring
io_uring: Don't set affinity on a dying sqpoll thread
2023-09-19 12:27:54 +02:00
ipc
ipc: fix memory leak in init_mqueue_fs()
2022-12-31 13:32:01 +01:00
kernel
tracing: Zero the pipe cpumask on alloc to avoid spurious -EBUSY
2023-09-13 09:43:05 +02:00
lib
lib/test_meminit: allocate pages up to order MAX_ORDER
2023-09-19 12:27:57 +02:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mm: hugetlb_vmemmap: fix a race between vmemmap pmd split
2023-09-19 12:27:56 +02:00
net
net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr
2023-09-19 12:28:02 +02:00
rust
rust: allocator: Prevent mis-aligned allocation
2023-08-11 12:08:18 +02:00
samples
samples/bpf: fix broken map lookup probe
2023-09-13 09:42:34 +02:00
scripts
kconfig: fix possible buffer overflow
2023-09-19 12:27:59 +02:00
security
smackfs: Prevent underflow in smk_set_cipso()
2023-09-13 09:42:42 +02:00
sound
ASoC: tegra: Fix SFC conversion for few rates
2023-09-19 12:27:56 +02:00
tools
perf test stat_bpf_counters_cgrp: Enhance perf stat cgroup BPF counter test
2023-09-19 12:28:00 +02:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add()
2023-09-13 09:42:46 +02:00
.clang-format
inet: ping: use hlist_nulls rcu iterator during lookup
2022-12-01 12:42:46 +01:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
.mailmap
Merge tag 'mm-hotfixes-stable-2022-12-10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-12-10 17:10:52 -08:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Remove Michal Marek from Kbuild maintainers
2022-11-16 14:53:00 +09:00
Kbuild
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
devlink: move code to a dedicated directory
2023-08-30 16:11:00 +02:00
Makefile
kbuild: do not run depmod for 'make modules_sign'
2023-09-19 12:27:58 +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.
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