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Chao Yu 70f5ef5f33 f2fs: fix return value of f2fs_convert_inline_inode() 
commit a8eb3de28e upstream.

If device is readonly, make f2fs_convert_inline_inode()
return EROFS instead of zero, otherwise it may trigger
panic during writeback of inline inode's dirty page as
below:

 f2fs_write_single_data_page+0xbb6/0x1e90 fs/f2fs/data.c:2888
 f2fs_write_cache_pages fs/f2fs/data.c:3187 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3342 [inline]
 f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3369
 do_writepages+0x359/0x870 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 file_write_and_wait_range+0x1aa/0x290 mm/filemap.c:788
 f2fs_do_sync_file+0x68a/0x1ae0 fs/f2fs/file.c:276
 generic_write_sync include/linux/fs.h:2806 [inline]
 f2fs_file_write_iter+0x7bd/0x24e0 fs/f2fs/file.c:4977
 call_write_iter include/linux/fs.h:2114 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Cc: stable@vger.kernel.org
Reported-by: syzbot+848062ba19c8782ca5c8@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-f2fs-devel/000000000000d103ce06174d7ec3@google.com
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-08-19 05:44:49 +02:00
arch arm64: dts: qcom: sdm630: Disable SS instance in Parkmode for USB 2024-07-27 10:46:17 +02:00
block block/ioctl: prefer different overflow check 2024-07-05 09:14:25 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: aead,cipher - zeroize key buffer after use 2024-07-18 13:07:27 +02:00
Documentation docs: Fix formatting of literal sections in fanotify docs 2024-07-27 10:46:16 +02:00
drivers tap: add missing verification for short frame 2024-07-27 10:46:18 +02:00
fs f2fs: fix return value of f2fs_convert_inline_inode() 2024-08-19 05:44:49 +02:00
include minmax: relax check to allow comparison between unsigned arguments and signed constants 2024-07-27 10:46:15 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-04-27 17:05:28 +02:00
io_uring io_uring: fail NOP if non-zero op flags is passed in 2024-06-16 13:39:53 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel bpf: Fix overrunning reservations in ringbuf 2024-07-27 10:46:06 +02:00
lib kunit: Fix timeout message 2024-07-18 13:07:29 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm/damon/core: merge regions aggressively when max_nr_regions is unmet 2024-07-27 10:46:15 +02:00
net net: relax socket state check at accept time. 2024-07-27 10:46:16 +02:00
samples Add gitignore file for samples/fanotify/ subdirectory 2024-07-27 10:46:16 +02:00
scripts kconfig: remove wrong expr_trans_bool() 2024-07-27 10:46:09 +02:00
security ima: Avoid blocking in RCU read-side critical section 2024-07-18 13:07:34 +02:00
sound ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused 2024-07-27 10:46:17 +02:00
tools selftests/vDSO: fix clang build errors and warnings 2024-07-27 10:46:14 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-10 16:18:34 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.164 2024-07-27 10:46:18 +02:00
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.