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Peilin Ye 5b801dfb7f bpf: Fix NULL pointer dereference in __btf_resolve_helper_id()

Prevent __btf_resolve_helper_id() from dereferencing `btf_vmlinux`
as NULL. This patch fixes the following syzbot bug:

    https://syzkaller.appspot.com/bug?id=f823224ada908fa5c207902a5a62065e53ca0fcc

Reported-by: syzbot+ee09bda7017345f1fbe6@syzkaller.appspotmail.com
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200714180904.277512-1-yepeilin.cs@gmail.com

2020-07-15 22:53:39 +02:00

arch

Merge tag 's390-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

2020-06-25 09:24:28 -07:00

block

Merge tag 'block-5.8-2020-06-19' of git://git.kernel.dk/linux-block

2020-06-19 13:11:26 -07:00

certs

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

crypto

crypto: drbg - always try to free Jitter RNG instance

2020-06-15 17:38:54 +10:00

Documentation

Documentation: networking: rxrpc: drop doubled word

2020-07-04 17:46:21 -07:00

drivers

bnxt_en: fix NULL dereference in case SR-IOV configuration fails

2020-07-10 14:20:03 -07:00

Merge tag 'fsnotify_for_v5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2020-06-25 13:02:58 -07:00

include

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

2020-07-10 14:07:43 -07:00

init

Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2020-06-13 13:29:16 -07:00

ipc

mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

2020-06-09 09:39:14 -07:00

kernel

bpf: Fix NULL pointer dereference in __btf_resolve_helper_id()

2020-07-15 22:53:39 +02:00

lib

lib: packing: add documentation for pbuflen argument

2020-06-28 20:45:27 -07:00

LICENSES

LICENSES: Rename other to deprecated

2019-05-03 06:34:32 -06:00

Merge tag 'powerpc-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2020-06-21 10:02:53 -07:00

net

tcp: make sure listeners don't initialize congestion-control state

2020-07-09 13:07:45 -07:00

samples

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2020-06-25 18:27:40 -07:00

scripts

Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2020-06-21 12:44:52 -07:00

security

Merge tag 'selinux-pr-20200621' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

2020-06-21 15:41:24 -07:00

sound

Merge tag 'sound-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2020-06-25 09:15:24 -07:00

tools

selftests/bpf: Fix cgroup sockopt verifier test

2020-07-11 01:32:15 +02:00

usr

bpfilter: match bit size of bpfilter_umh to that of the kernel

2020-05-17 18:52:01 +09:00

virt

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2020-06-12 11:05:52 -07:00

.clang-format

block: add bio_for_each_bvec_all()

2020-05-25 11:25:24 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

Opt out of scripts/get_maintainer.pl

2019-05-16 10:53:40 -07:00

.gitattributes

.gitattributes: use 'dts' diff driver for dts files

2019-12-04 19:44:11 -08:00

.gitignore

modpost: generate vmlinux.symvers and reuse it for the second modpost

2020-06-06 23:38:12 +09:00

.mailmap

Merge tag 'docs-5.8' of git://git.lwn.net/linux

2020-06-01 15:45:27 -07:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

mailmap: change email for Ricardo Ribalda

2020-05-25 18:59:59 -06:00

Kbuild

kbuild: rename hostprogs-y/always to hostprogs/always-y

2020-02-04 01:53:07 +09:00

Kconfig

kbuild: ensure full rebuild when the compiler is updated

2020-05-12 13:28:33 +09:00

MAINTAINERS

MAINTAINERS: net: macb: add Claudiu as co-maintainer

2020-07-02 14:33:50 -07:00

Makefile

Linux 5.8-rc2

2020-06-21 15:45:29 -07:00

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.