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Minchan Kim 1b541ec4a5 mm: fix madivse_pageout mishandling on non-LRU page 
commit 58d426a7ba upstream.

MADV_PAGEOUT tries to isolate non-LRU pages and gets a warning from
isolate_lru_page below.

Fix it by checking PageLRU in advance.

------------[ cut here ]------------
trying to isolate tail page
WARNING: CPU: 0 PID: 6175 at mm/folio-compat.c:158 isolate_lru_page+0x130/0x140
Modules linked in:
CPU: 0 PID: 6175 Comm: syz-executor.0 Not tainted 5.18.12 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:isolate_lru_page+0x130/0x140

Link: https://lore.kernel.org/linux-mm/485f8c33.2471b.182d5726afb.Coremail.hantianshuo@iie.ac.cn/
Link: https://lkml.kernel.org/r/20220908151204.762596-1-minchan@kernel.org
Fixes: 1a4e58cce8 ("mm: introduce MADV_PAGEOUT")
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: 韩天ç`• <hantianshuo@iie.ac.cn>
Suggested-by: Yang Shi <shy828301@gmail.com>
Acked-by: Yang Shi <shy828301@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-19 17:54:10 +08:00
arch ARM: dts: integrator: Tag PCI host with device_type 2023-04-19 17:54:09 +08:00
block block: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait 2023-04-19 17:53:54 +08:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2023-04-19 17:50:34 +08:00
crypto KEYS: asymmetric: enforce SM2 signature use pkey algo 2023-04-19 17:52:55 +08:00
Documentation Input: iforce - add support for Boeder Force Feedback Wheel 2023-04-19 17:53:52 +08:00
drivers mmc: hsq: Fix data stomping during mmc recovery 2023-04-19 17:54:10 +08:00
fs ntfs: fix BUG_ON in ntfs_lookup_inode_by_name() 2023-04-19 17:54:09 +08:00
include serial: Create uart_xmit_advance() 2023-04-19 17:54:05 +08:00
init stack: Declare {randomize_,}kstack_offset to fix Sparse warnings 2023-04-19 17:52:12 +08:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2023-04-19 17:49:52 +08:00
kernel cgroup: cgroup_get_from_id() must check the looked-up kn is a directory 2023-04-19 17:54:08 +08:00
lib crypto: lib - remove unneeded selection of XOR_BLOCKS 2023-04-19 17:53:28 +08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm: fix madivse_pageout mishandling on non-LRU page 2023-04-19 17:54:10 +08:00
net net: sched: fix possible refcount leak in tc_new_tfilter() 2023-04-19 17:54:05 +08:00
samples samples/landlock: Format with clang-format 2023-04-19 17:50:01 +08:00
scripts mksysmap: Fix the mismatch of 'L0' symbols in System.map 2023-04-19 17:53:56 +08:00
security apparmor: Fix memleak in aa_simple_write_to_buffer() 2023-04-19 17:53:01 +08:00
sound ALSA: hda/realtek: fix speakers and micmute on HP 855 G8 2023-04-19 17:54:08 +08:00
tools selftests: forwarding: add shebang for sch_red.sh 2023-04-19 17:54:05 +08:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2023-04-19 17:44:58 +08:00
virt KVM: SEV: add cache flush to solve SEV cache incoherency issues 2023-04-19 17:53:56 +08:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.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 Input: goodix - add a goodix.h header file 2023-04-19 17:50:59 +08:00
Makefile Linux 5.15.71 2023-04-19 17:54:08 +08:00
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.