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Jesper Dangaard Brouer 0d7235888d samples/bpf: xdp1 and xdp2 reduce XDPBUFSIZE to 60 
[ Upstream commit 60548b825b ]

Default samples/pktgen scripts send 60 byte packets as hardware adds
4-bytes FCS checksum, which fulfils minimum Ethernet 64 bytes frame
size.

XDP layer will not necessary have access to the 4-bytes FCS checksum.

This leads to bpf_xdp_load_bytes() failing as it tries to copy 64-bytes
from an XDP packet that only have 60-bytes available.

Fixes: 7722517422 ("samples/bpf: fixup some tools to be able to support xdp multibuffer")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/bpf/168545704139.2996228.2516528552939485216.stgit@firesoul
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-07-11 19:39:28 +02:00
Documentation docs: Set minimal gtags / GNU GLOBAL version to 6.6.5 2023-07-05 18:29:23 +01:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
arch locking/atomic: arm: fix sync ops 2023-07-11 19:39:26 +02:00
block block: fix blktrace debugfs entries leakage 2023-07-11 19:39:22 +02:00
certs Kbuild updates for v6.3 2023-02-26 11:53:25 -08:00
crypto KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 2023-06-09 10:48:25 +02:00
drivers wifi: rtw88: usb: silence log flooding error message 2023-07-11 19:39:28 +02:00
fs pstore/ram: Add check for kstrdup 2023-07-11 19:39:26 +02:00
include bpf: Remove bpf trampoline selector 2023-07-11 19:39:27 +02:00
init gcc: disable '-Warray-bounds' for gcc-13 too 2023-04-23 09:56:20 -07:00
io_uring io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr 2023-06-28 11:14:16 +02:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel bpf: Fix memleak due to fentry attach failure 2023-07-11 19:39:27 +02:00
lib maple_tree: fix potential out-of-bounds access in mas_wr_end_piv() 2023-07-01 13:14:44 +02:00
mm splice: Fix filemap_splice_read() to use the correct inode 2023-07-11 19:39:21 +02:00
net nfc: llcp: fix possible use of uninitialized variable in nfc_llcp_send_connect() 2023-07-11 19:39:27 +02:00
rust rust: allow to use INIT_STACK_ALL_ZERO 2023-04-19 19:34:43 +02:00
samples samples/bpf: xdp1 and xdp2 reduce XDPBUFSIZE to 60 2023-07-11 19:39:28 +02:00
scripts scripts/tags.sh: Resolve gtags empty index generation 2023-07-05 18:29:23 +01:00
security ima: Fix build warnings 2023-07-11 19:39:26 +02:00
sound ALSA: hda/realtek: Add "Intel Reference board" and "NUC 13" SSID in the ALC256 2023-06-28 11:14:22 +02:00
tools selftests/bpf: Do not use sign-file as testcase 2023-07-11 19:39:27 +02:00
usr initramfs: Check negative timestamp to prevent broken cpio archive 2023-04-16 17:37:01 +09:00
virt KVM: Avoid illegal stage2 mapping on invalid memory slot 2023-06-28 11:14:05 +02:00
.clang-format cpumask: re-introduce constant-sized cpumask optimizations 2023-03-05 14:30:34 -08:00
.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 *.dtso files 2023-02-26 15:28:23 +09:00
.gitignore kbuild: rpm-pkg: move source components to rpmbuild/SOURCES 2023-03-16 22:45:56 +09:00
.mailmap Networking fixes for 6.3-rc8, including fixes from netfilter and bpf 2023-04-20 11:03:51 -07:00
.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 There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
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 MAINTAINERS: Resume MPTCP co-maintainer role 2023-04-19 18:10:24 -07:00
Makefile Linux 6.3.12 2023-07-05 18:29:23 +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.