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Eric Dumazet 63310043ac 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 13:46:15 +02:00
arch riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context 2024-06-21 14:35:57 +02:00
block block/ioctl: prefer different overflow check 2024-06-27 13:46:15 +02:00
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:41:37 +02:00
Documentation mm: fix race between __split_huge_pmd_locked() and GUP-fast 2024-06-16 13:41:38 +02:00
drivers wifi: ath9k: work around memset overflow warning 2024-06-27 13:46:15 +02:00
fs cachefiles, erofs: Fix NULL deref in when cachefiles is not doing ondemand-mode 2024-06-21 14:36:00 +02:00
include serial: core: Add UPIO_UNKNOWN constant for unknown port type 2024-06-21 14:36:00 +02:00
init smp: Provide 'setup_max_cpus' definition on UP too 2024-06-16 13:41:42 +02:00
io_uring io_uring/sqpoll: work around a potential audit memory leak 2024-06-27 13:46:14 +02:00
ipc
kernel rcutorture: Fix invalid context warning when enable srcu barrier testing 2024-06-27 13:46:15 +02:00
lib maple_tree: fix mas_empty_area_rev() null pointer dereference 2024-06-16 13:41:31 +02:00
LICENSES
mm mm/memory-failure: fix handling of dissolved but not taken off from buddy pages 2024-06-21 14:35:59 +02:00
net af_packet: avoid a false positive warning in packet_setsockopt() 2024-06-27 13:46:15 +02:00
rust rust: macros: fix soundness issue in module! macro 2024-05-17 11:56:17 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:12:28 +01:00
scripts scripts/gdb: fix SB_* constants parsing 2024-06-16 13:41:32 +02:00
security landlock: Fix d_parent walk 2024-06-21 14:35:43 +02:00
sound ALSA: timer: Set lower bound of start tick time 2024-06-12 11:03:59 +02:00
tools selftests/bpf: Fix flaky test btf_map_in_map/lookup_update 2024-06-27 13:46:15 +02:00
usr
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-03 15:19:25 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: add leah to 6.1 MAINTAINERS file 2024-05-17 11:56:16 +02:00
Makefile Linux 6.1.95 2024-06-21 14:36:01 +02:00
README

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.