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Andrii Nakryiko 4d4d6aa2ef libbpf: Fix BTF data layout checks and allow empty BTF 
[ Upstream commit d812362450 ]

Make data section layout checks stricter, disallowing overlap of types and
strings data.

Additionally, allow BTFs with no type data. There is nothing inherently wrong
with having BTF with no types (put potentially with some strings). This could
be a situation with kernel module BTFs, if module doesn't introduce any new
type information.

Also fix invalid offset alignment check for btf->hdr->type_off.

Fixes: 8a138aed4a ("bpf: btf: Add BTF support to libbpf")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201105043402.2530976-8-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-18 14:04:10 +01:00
arch x86/sev: Fix stack type check in vc_switch_off_ist() 2021-11-18 14:04:09 +01:00
block block: remove inaccurate requeue check 2021-11-18 14:03:58 +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: ecc - fix CRYPTO_DEFAULT_RNG dependency 2021-11-18 14:04:05 +01:00
Documentation fscrypt: allow 256-bit master keys with AES-256-XTS 2021-11-18 14:03:54 +01:00
drivers drm/msm: Fix potential NULL dereference in DPU SSPP 2021-11-18 14:04:10 +01:00
fs erofs: don't trigger WARN() when decompression fails 2021-11-18 14:04:01 +01:00
include tcp: switch orphan_count to bare per-cpu counters 2021-11-18 14:04:08 +01:00
init sched/core: Initialize the idle task with preemption disabled 2021-07-14 16:55:50 +02:00
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-26 12:06:54 +02:00
kernel PM: hibernate: fix sparse warnings 2021-11-18 14:04:09 +01:00
lib lib/xz: Validate the value before assigning it to an enum variable 2021-11-18 14:03:58 +01:00
LICENSES
mm mm: khugepaged: skip huge page collapse for special files 2021-11-06 14:10:09 +01:00
net net: stream: don't purge sk_error_queue in sk_stream_kill_queues() 2021-11-18 14:04:08 +01:00
samples samples: bpf: Fix tracex7 error raised on the missing argument 2021-09-18 13:40:23 +02:00
scripts leaking_addresses: Always print a trailing newline 2021-11-18 14:03:57 +01:00
security smackfs: use netlbl_cfg_cipsov4_del() for deleting cipso_v4_doi 2021-11-18 14:04:10 +01:00
sound ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume 2021-11-18 14:03:49 +01:00
tools libbpf: Fix BTF data layout checks and allow empty BTF 2021-11-18 14:04:10 +01:00
usr
virt KVM: do not shrink halt_poll_ns below grow_start 2021-10-09 14:40:58 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS f2fs: move ioctl interface definitions to separated file 2021-05-19 10:13:00 +02:00
Makefile Linux 5.10.79 2021-11-12 14:58:35 +01:00
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.