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Miaohe Lin 89b2dbd807 mm/hugetlb: fix potential double free in hugetlb_register_node() error path 
[ Upstream commit cc2205a67d ]

In hugetlb_sysfs_add_hstate(), we would do kobject_put() on hstate_kobjs
when failed to create sysfs group but forget to set hstate_kobjs to NULL.
Then in hugetlb_register_node() error path, we may free it again via
hugetlb_unregister_node().

Link: https://lkml.kernel.org/r/20210107123249.36964-1-linmiaohe@huawei.com
Fixes: a343787016 ("hugetlb: new sysfs interface")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <smuchun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-04 11:38:19 +01:00
arch nios2: fixed broken sys_clone syscall 2021-03-04 11:38:16 +01:00
block bsg: free the request before return error code 2021-03-04 11:37:42 +01:00
certs certs: Fix blacklist flag type confusion 2021-03-04 11:37:59 +01:00
crypto crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key() 2021-03-04 11:37:49 +01:00
Documentation watch_queue: Drop references to /dev/watch_queue 2021-03-04 11:37:59 +01:00
drivers wireguard: kconfig: use arm chacha even with no neon 2021-03-04 11:38:18 +01:00
fs ocfs2: fix a use after free on error 2021-03-04 11:38:18 +01:00
include soundwire: export sdw_write/read_no_pm functions 2021-03-04 11:38:14 +01:00
init fgraph: Initialize tracing_graph_pause at task creation 2021-02-10 09:29:16 +01:00
ipc
kernel printk: avoid prb_first_valid_seq() where possible 2021-03-04 11:38:07 +01:00
lib udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-17 11:02:28 +01:00
LICENSES
mm mm/hugetlb: fix potential double free in hugetlb_register_node() error path 2021-03-04 11:38:19 +01:00
net svcrdma: Hold private mutex while invoking rdma_accept() 2021-03-04 11:38:08 +01:00
samples watch_queue: Drop references to /dev/watch_queue 2021-03-04 11:37:59 +01:00
scripts scripts/recordmcount.pl: support big endian for ARCH sh 2021-02-26 10:13:02 +01:00
security certs: Fix blacklist flag type confusion 2021-03-04 11:37:59 +01:00
sound ASoC: simple-card-utils: Fix device module clock 2021-03-04 11:37:51 +01:00
tools perf test: Fix unaligned access in sample parsing test 2021-03-04 11:38:10 +01:00
usr
virt KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped() 2021-02-26 10:13:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-10 15:30:13 -08:00
Makefile Linux 5.10.19 2021-02-26 10:14:35 +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.