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Zheng Wang 92f869693d scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition 
[ Upstream commit f486893288 ]

mptlan_probe() calls mpt_register_lan_device() which initializes the
&priv->post_buckets_task workqueue. A call to
mpt_lan_wake_post_buckets_task() will subsequently start the work.

During driver unload in mptlan_remove() the following race may occur:

CPU0                  CPU1

                    |mpt_lan_post_receive_buckets_work()
mptlan_remove()     |
  free_netdev()     |
    kfree(dev);     |
                    |
                    | dev->mtu
                    |   //use

Fix this by finishing the work prior to cleaning up in mptlan_remove().

[mkp: we really should remove mptlan instead of attempting to fix it]

Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Link: https://lore.kernel.org/r/20230318081635.796479-1-zyytlz.wz@163.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-30 12:38:35 +01:00
arch ARM: dts: s5pv210: correct MIPI CSIS clock name 2023-05-17 11:11:50 +02:00
block block: bio-integrity: Copy flags when bio_integrity_payload is cloned 2023-03-11 16:26:35 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-25 11:46:44 +02:00
crypto verify_pefile: relax wrapper length check 2023-04-20 12:02:12 +02:00
Documentation ALSA: hda/sigmatel: add pin overrides for Intel DP45SG motherboard 2023-04-20 12:02:11 +02:00
drivers scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition 2023-05-30 12:38:35 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs ext2: Check block size validity during mount 2023-05-30 12:38:34 +01:00
include net: Fix load-tearing on sk->sk_stamp in sock_recv_cmsgs(). 2023-05-30 12:38:34 +01:00
init random: handle latent entropy and command line from random_init() 2022-06-25 11:46:40 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:16:33 +01:00
kernel perf/core: Fix hardlockup failure caused by perf throttle 2023-05-17 11:11:45 +02:00
lib lib: cpu_rmap: Avoid use after free on rmap->obj array entries 2023-05-30 12:38:35 +01:00
mm mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock 2023-05-17 11:11:51 +02:00
net net: Catch invalid index in XPS mapping 2023-05-30 12:38:35 +01:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-26 11:40:31 +01:00
scripts ASN.1: Fix check for strdup() success 2023-04-26 11:18:58 +02:00
security selinux: ensure av_permissions.h is built when needed 2023-05-17 11:11:39 +02:00
sound ALSA: caiaq: input: Add error handling for unsupported input methods in snd_usb_caiaq_input_init 2023-05-17 11:11:49 +02:00
tools perf bench: Share some global variables to fix build with gcc 10 2023-05-17 11:11:51 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: arm64: vgic: Fix exit condition in scan_its_table() 2022-11-03 23:50:50 +09:00
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MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-25 11:46:29 +02:00
Makefile Linux 4.14.315 2023-05-17 11:11:52 +02:00
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.