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Jaegeuk Kim 424f8cdc0a f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block 
commit da6ea0b050 upstream.

We got a kernel panic if old_addr is NULL.

https://bugzilla.kernel.org/show_bug.cgi?id=217266

BUG: kernel NULL pointer dereference, address: 0000000000000000
 Call Trace:
  <TASK>
  f2fs_commit_atomic_write+0x619/0x990 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]
  __f2fs_ioctl+0xd8e/0x4080 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]
  ? vfs_write+0x2ae/0x3f0
  ? vfs_write+0x2ae/0x3f0
  __x64_sys_ioctl+0x91/0xd0
  do_syscall_64+0x5c/0x90
  entry_SYSCALL_64_after_hwframe+0x72/0xdc
 RIP: 0033:0x7f69095fe53f

Fixes: 2f3a9ae990 ("f2fs: introduce trace_f2fs_replace_atomic_write_block")
Cc: <stable@vger.kernel.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-17 11:53:48 +02:00
arch
ARM: dts: aspeed: romed8hm3: Fix GPIO polarity of system-fault LED
2023-05-17 11:53:46 +02:00
block
block: Skip destroyed blkg when restart in blkg_destroy_all()
2023-05-17 11:53:33 +02:00
certs
certs: Fix build error when PKCS#11 URI contains semicolon
2023-02-09 11:28:11 +01:00
crypto
crypto: engine - fix crypto_queue backlog handling
2023-05-17 11:53:40 +02:00
Documentation
ASoC: dt-bindings: qcom,lpass-rx-macro: correct minItems for clocks
2023-05-11 23:03:05 +09:00
drivers
drm/i915/dsi: Use unconditional msleep() instead of intel_dsi_msleep()
2023-05-17 11:53:48 +02:00
fs
f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block
2023-05-17 11:53:48 +02:00
include
crypto: api - Add scaffolding to change completion function signature
2023-05-17 11:53:40 +02:00
init
gcc: disable '-Warray-bounds' for gcc-13 too
2023-04-26 14:28:43 +02:00
io_uring
io_uring/rsrc: use nospec'ed indexes
2023-05-11 23:03:24 +09:00
ipc
ipc: fix memory leak in init_mqueue_fs()
2022-12-31 13:32:01 +01:00
kernel
kcsan: Avoid READ_ONCE() in read_instrumented_memory()
2023-05-11 23:03:40 +09:00
lib
debugobject: Ensure pool refill (again)
2023-05-11 23:03:42 +09:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mm/mempolicy: correctly update prev when policy is equal on mbind
2023-05-11 23:03:41 +09:00
net
af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
2023-05-17 11:53:37 +02:00
rust
rust: kernel: Mark rust_fmt_argument as extern "C"
2023-04-26 14:28:38 +02:00
samples
ftrace: Export ftrace_free_filter() to modules
2023-02-01 08:34:37 +01:00
scripts
scripts/gdb: fix lx-timerlist for Python3
2023-05-11 23:03:40 +09:00
security
selinux: ensure av_permissions.h is built when needed
2023-05-11 23:03:06 +09:00
sound
ALSA: caiaq: input: Add error handling for unsupported input methods in snd_usb_caiaq_input_init
2023-05-17 11:53:37 +02:00
tools
perf stat: Separate bperf from bpf_profiler
2023-05-17 11:53:41 +02:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
KVM: Register /dev/kvm as the _very_ last thing during initialization
2023-03-10 09:34:11 +01:00
.clang-format
inet: ping: use hlist_nulls rcu iterator during lookup
2022-12-01 12:42:46 +01:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
.mailmap
Merge tag 'mm-hotfixes-stable-2022-12-10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-12-10 17:10:52 -08:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Remove Michal Marek from Kbuild maintainers
2022-11-16 14:53:00 +09:00
Kbuild
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
audit: update the mailing list in MAINTAINERS
2023-02-25 11:25:42 +01:00
Makefile
Linux 6.1.28
2023-05-11 23:04:52 +09:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
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