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Eric Dumazet 82116ea1cc af_packet: avoid a false positive warning in packet_setsockopt() 
[ Upstream commit 86d43e2bf9 ]

Although the code is correct, the following line

	copy_from_sockptr(&req_u.req, optval, len));

triggers this warning :

memcpy: detected field-spanning write (size 28) of single field "dst" at include/linux/sockptr.h:49 (size 16)

Refactor the code to be more explicit.

Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-27 13:52:13 +02:00
arch arm64: defconfig: select INTERCONNECT_QCOM_SM6115 as built-in 2024-06-27 13:52:12 +02:00
block block/ioctl: prefer different overflow check 2024-06-27 13:52:12 +02:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:51:03 +02:00
Documentation dt-bindings: usb: realtek,rts5411: Add missing "additionalProperties" on child nodes 2024-06-21 14:40:39 +02:00
drivers wifi: ath9k: work around memset overflow warning 2024-06-27 13:52:13 +02:00
fs fs/writeback: bail out if there is no more inodes for IO and queued once 2024-06-27 13:52:11 +02:00
include drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2 2024-06-21 14:40:35 +02:00
init printk: Fix LOG_CPU_MAX_BUF_SHIFT when BASE_SMALL is enabled 2024-06-12 11:39:35 +02:00
io_uring io_uring/sqpoll: work around a potential audit memory leak 2024-06-27 13:52:11 +02:00
ipc sysctl changes for v6.9-rc1 2024-03-18 14:59:13 -07:00
kernel bpf: Avoid kfree_rcu() under lock in bpf_lpm_trie. 2024-06-27 13:52:12 +02:00
lib ubsan: Avoid i386 UBSAN handler crashes with Clang 2024-06-27 13:52:12 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/huge_memory: don't unpoison huge_zero_folio 2024-06-21 14:40:38 +02:00
net af_packet: avoid a false positive warning in packet_setsockopt() 2024-06-27 13:52:13 +02:00
rust rust: remove params from module macro example 2024-04-25 17:34:33 +02:00
samples samples/landlock: Fix incorrect free in populate_ruleset_net 2024-05-30 09:45:01 +02:00
scripts locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc 2024-06-21 14:40:31 +02:00
security ima: Fix use-after-free on a dentry's dname.name 2024-06-21 14:40:38 +02:00
sound ALSA: seq: Fix incorrect UMP type for system messages 2024-06-16 13:51:15 +02:00
tools selftests/bpf: Fix flaky test btf_map_in_map/lookup_update 2024-06-27 13:52:12 +02:00
usr Kbuild updates for v6.8 2024-01-18 17:57:07 -08:00
virt KVM: Drop unused @may_block param from gfn_to_pfn_cache_invalidate_start() 2024-04-11 12:58:53 -07:00
.clang-format clang-format: Update with v6.7-rc4's for_each macro list 2023-12-08 23:54:38 +01:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-21 14:40:11 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: create a list of all built DTB files 2024-02-19 18:20:39 +09:00
.mailmap 18 hotfixes, 7 of which are cc:stable. 2024-05-10 14:16:03 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS MAINTAINERS: Drop Gustavo Pimentel as PCI DWC Maintainer 2024-03-27 13:41:02 -05:00
Kbuild Kbuild updates for v6.1 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 cpufreq: amd-pstate: remove global header file 2024-06-21 14:40:00 +02:00
Makefile Linux 6.9.6 2024-06-21 14:40:40 +02:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.