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Joseph Qi eb63357ef2 ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() 
commit 685d03c379 upstream.

bdev->bd_super has been removed and commit 8887b94d93 change the usage
from bdev->bd_super to b_assoc_map->host->i_sb.  Since ocfs2 hasn't set
bh->b_assoc_map, it will trigger NULL pointer dereference when calling
into ocfs2_abort_trigger().

Actually this was pointed out in history, see commit 74e364ad1b.  But
I've made a mistake when reviewing commit 8887b94d93 and then
re-introduce this regression.

Since we cannot revive bdev in buffer head, so fix this issue by
initializing all types of ocfs2 triggers when fill super, and then get the
specific ocfs2 trigger from ocfs2_caching_info when access journal.

[joseph.qi@linux.alibaba.com: v2]
  Link: https://lkml.kernel.org/r/20240602112045.1112708-1-joseph.qi@linux.alibaba.com
Link: https://lkml.kernel.org/r/20240530110630.3933832-2-joseph.qi@linux.alibaba.com
Fixes: 8887b94d93 ("ocfs2: stop using bdev->bd_super for journal error logging")
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>	[6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-27 13:52:29 +02:00
arch KVM: x86: Always sync PIR to IRR prior to scanning I/O APIC routes 2024-06-27 13:52:27 +02:00
block block/ioctl: prefer different overflow check 2024-06-27 13:52:12 +02:00
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:51:03 +02:00
Documentation dt-bindings: dma: fsl-edma: fix dma-channels constraints 2024-06-27 13:52:29 +02:00
drivers drm/amd/display: Attempt to avoid empty TUs when endpoint is DPIA 2024-06-27 13:52:29 +02:00
fs ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() 2024-06-27 13:52:29 +02:00
include ACPI: EC: Evaluate orphan _REG under EC device 2024-06-27 13:52:26 +02:00
init printk: Fix LOG_CPU_MAX_BUF_SHIFT when BASE_SMALL is enabled 2024-06-12 11:39:35 +02:00
io_uring io_uring/rsrc: fix incorrect assignment of iter->nr_segs in io_import_fixed 2024-06-27 13:52:25 +02:00
ipc sysctl changes for v6.9-rc1 2024-03-18 14:59:13 -07:00
kernel bpf: Fix reg_set_min_max corruption of fake_reg 2024-06-27 13:52:20 +02:00
lib ubsan: Avoid i386 UBSAN handler crashes with Clang 2024-06-27 13:52:12 +02:00
LICENSES
mm mm/huge_memory: don't unpoison huge_zero_folio 2024-06-21 14:40:38 +02:00
net wifi: mac80211: fix monitor channel with chanctx emulation 2024-06-27 13:52:28 +02:00
rust rust: remove params from module macro example 2024-04-25 17:34:33 +02:00
samples samples/landlock: Fix incorrect free in populate_ruleset_net 2024-05-30 09:45:01 +02:00
scripts locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc 2024-06-21 14:40:31 +02:00
security ima: Fix use-after-free on a dentry's dname.name 2024-06-21 14:40:38 +02:00
sound ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7 14AHP9 2024-06-27 13:52:28 +02:00
tools selftests: openvswitch: Use bash as interpreter 2024-06-27 13:52:22 +02:00
usr
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:52:27 +02:00
.clang-format
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-21 14:40:11 +02:00
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap 18 hotfixes, 7 of which are cc:stable. 2024-05-10 14:16:03 -07:00
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: Drop Gustavo Pimentel as PCI DWC Maintainer 2024-03-27 13:41:02 -05:00
Kbuild
Kconfig
MAINTAINERS cpufreq: amd-pstate: remove global header file 2024-06-21 14:40:00 +02:00
Makefile Linux 6.9.6 2024-06-21 14:40:40 +02:00
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 reStructuredText 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.