GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-23 07:01:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
No description
726084 commits 24 branches 25 tags 2.7 GiB
Find a file
Yonghong Song 2310035fa0 bpf: fix incorrect kmalloc usage in lpm_trie MAP_GET_NEXT_KEY rcu region 
In commit b471f2f1de ("bpf: implement MAP_GET_NEXT_KEY command for LPM_TRIE map"),
the implemented MAP_GET_NEXT_KEY callback function is guarded with rcu read lock.
In the function body, "kmalloc(size, GFP_USER | __GFP_NOWARN)" is used which may
sleep and violate rcu read lock region requirements. This patch fixed the issue
by using GFP_ATOMIC instead to avoid blocking kmalloc. Tested with
CONFIG_DEBUG_ATOMIC_SLEEP=y as suggested by Eric Dumazet.

Fixes: b471f2f1de ("bpf: implement MAP_GET_NEXT_KEY command for LPM_TRIE map")
Signed-off-by: Yonghong Song <yhs@fb.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-23 17:33:57 +01:00
arch
block
certs
crypto
Documentation net: core: Expose number of link up/down transitions 2018-01-22 15:42:05 -05:00
drivers net: aquantia: make symbol hw_atl_boards static 2018-01-23 10:59:42 -05:00
firmware
fs
include net: sched: create tc_can_offload_extack() wrapper 2018-01-22 16:28:32 -05:00
init
ipc
kernel bpf: fix incorrect kmalloc usage in lpm_trie MAP_GET_NEXT_KEY rcu region 2018-01-23 17:33:57 +01:00
lib
mm
net net: sched: add extack support for offload via tc_cls_common_offload 2018-01-22 16:28:32 -05:00
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile
README

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.