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Jaegeuk Kim da6ea0b050 f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block 
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: 2f3a9ae990a7 ("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>
2023-04-04 13:57:30 -07:00
arch
Xtensa fixes for v6.3:
2023-03-29 10:24:07 -07:00
block
block: remove obsolete config BLOCK_COMPAT
2023-03-16 09:35:44 -06:00
certs
Kbuild updates for v6.3
2023-02-26 11:53:25 -08:00
crypto
asymmetric_keys: log on fatal failures in PE/pkcs7
2023-03-21 16:23:56 +00:00
Documentation
f2fs: export compress_percent and compress_watermark entries
2023-03-29 15:17:37 -07:00
drivers
s390 updates for 6.3-rc5
2023-03-28 10:43:04 -07:00
fs
f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block
2023-04-04 13:57:30 -07:00
include
f2fs: convert to use bitmap API
2023-03-29 15:17:37 -07:00
init
bootconfig: Change message if no bootconfig with CONFIG_BOOT_CONFIG_FORCE=y
2023-03-22 22:21:43 +09:00
io_uring
block-6.3-2023-03-24
2023-03-24 14:10:39 -07:00
ipc
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:20:07 -08:00
kernel
- Fix a corner case where vruntime of a task is not being sanitized
2023-03-26 09:18:30 -07:00
lib
Fixes for 6.3-rc3:
2023-03-25 12:57:34 -07:00
LICENSES
LICENSES: Add the copyleft-next-0.3.1 license
2022-11-08 15:44:01 +01:00
mm
21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder are
2023-03-24 18:06:11 -07:00
net
nfsd-6.3 fixes:
2023-03-25 13:32:43 -07:00
rust
Rust fixes for 6.3-rc1
2023-03-03 14:51:15 -08:00
samples
LoongArch changes for v6.3
2023-03-01 09:27:00 -08:00
scripts
checksyscalls: ignore fstat to silence build warning on LoongArch
2023-03-23 17:18:32 -07:00
security
keys: Do not cache key in task struct if key is requested from kernel thread
2023-03-21 16:22:40 +00:00
sound
ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set()
2023-03-14 17:04:53 +01:00
tools
linux-kselftest-fixes-6.3-rc5
2023-03-28 13:14:47 -07:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
KVM/riscv changes for 6.3
2023-02-15 12:33:28 -05:00
.clang-format
cpumask: re-introduce constant-sized cpumask optimizations
2023-03-05 14:30:34 -08:00
.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 *.dtso files
2023-02-26 15:28:23 +09:00
.gitignore
kbuild: rpm-pkg: move source components to rpmbuild/SOURCES
2023-03-16 22:45:56 +09:00
.mailmap
mailmap: add entries for Richard Leitner
2023-03-23 17:18:35 -07:00
.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
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
Kbuild
Kbuild updates for v6.1
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
Xtensa fixes for v6.3:
2023-03-29 10:24:07 -07:00
Makefile
Linux 6.3-rc4
2023-03-26 14:40:20 -07:00
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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