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Yufen Yu 9e3175ea23 md: avoid invalid memory access for array sb->dev_roles
[ Upstream commit 228fc7d76db68732677230a3c64337908fd298e3 ]

we need to gurantee 'desc_nr' valid before access array
of sb->dev_roles.

In addition, we should avoid .load_super always return '0'
when level is LEVEL_MULTIPATH, which is not expected.

Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1487373 ("Memory - illegal accesses")
Fixes: 6a5cb53aaa4e ("md: no longer compare spare disk superblock events in super_load")
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-31 16:46:02 +01:00
arch MIPS: futex: Restore \n after sync instructions 2019-12-31 16:45:49 +01:00
block
certs
crypto
Documentation
drivers md: avoid invalid memory access for array sb->dev_roles 2019-12-31 16:46:02 +01:00
fs btrfs: don't prematurely free work in scrub_missing_raid56_worker() 2019-12-31 16:45:50 +01:00
include net: avoid potential false sharing in neighbor related code 2019-12-31 16:45:03 +01:00
init
ipc
kernel bpf: Provide better register bounds after jmp32 instructions 2019-12-31 16:45:48 +01:00
lib
LICENSES
mm
net can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-31 16:45:56 +01:00
samples
scripts
security
sound ASoC: soc-pcm: check symmetry before hw_params 2019-12-31 16:45:42 +01:00
tools selftests: net: tls: remove recv_rcvbuf test 2019-12-31 16:45:58 +01:00
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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.