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Pavel Skripkin 8018936950 jfs: fix GPF in diFree 
commit 9d574f985fe33efd6911f4d752de6f485a1ea732 upstream.

Avoid passing inode with
JFS_SBI(inode->i_sb)->ipimap == NULL to
diFree()[1]. GFP will appear:

	struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;
	struct inomap *imap = JFS_IP(ipimap)->i_imap;

JFS_IP() will return invalid pointer when ipimap == NULL

Call Trace:
 diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1]
 jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154
 evict+0x2ed/0x750 fs/inode.c:578
 iput_final fs/inode.c:1654 [inline]
 iput.part.0+0x3fe/0x820 fs/inode.c:1680
 iput+0x58/0x70 fs/inode.c:1670

Reported-and-tested-by: syzbot+0a89a7b56db04c21a656@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-19 09:45:03 +02:00
arch arm64: tlb: fix the TTL value of tlb_get_level 2021-07-19 09:44:59 +02:00
block rq-qos: fix missed wake-ups in rq_qos_throttle try two 2021-07-19 09:45:00 +02:00
certs certs: Add ability to preload revocation certs 2021-06-30 08:47:30 -04:00
crypto crypto: sm2 - fix a memory leak in sm2 2021-07-14 16:56:06 +02:00
Documentation powerpc/papr_scm: Make 'perf_stats' invisible if perf-stats unavailable 2021-07-14 16:56:49 +02:00
drivers drm/ast: Remove reference to struct drm_device.pdev 2021-07-19 09:45:02 +02:00
fs jfs: fix GPF in diFree 2021-07-19 09:45:03 +02:00
include media: subdev: disallow ioctl for saa6588/davinci 2021-07-19 09:45:02 +02:00
init sched/core: Initialize the idle task with preemption disabled 2021-07-14 16:55:50 +02:00
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-26 12:06:54 +02:00
kernel tracing: Resize tgid_map to pid_max, not PID_MAX_DEFAULT 2021-07-19 09:45:01 +02:00
lib seq_buf: Fix overflow in seq_buf_putmem_hex() 2021-07-19 09:45:00 +02:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm mm,hwpoison: return -EBUSY when migration fails 2021-07-19 09:44:56 +02:00
net sctp: add size validation when walking chunks 2021-07-19 09:44:55 +02:00
samples samples/bpf: Fix the error return code of xdp_redirect's main() 2021-07-14 16:56:23 +02:00
scripts kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n' 2021-07-14 16:56:04 +02:00
security selinux: use __GFP_NOWARN with GFP_NOWAIT in the AVC 2021-07-19 09:44:49 +02:00
sound ASoC: tegra: Set driver_name=tegra for all machine drivers 2021-07-19 09:44:59 +02:00
tools selftests/lkdtm: Fix expected text for CR4 pinning 2021-07-19 09:45:00 +02:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt KVM: do not allow mapping valid but non-reference-counted pages 2021-06-30 08:47:25 -04:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.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 kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
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 f2fs: move ioctl interface definitions to separated file 2021-05-19 10:13:00 +02:00
Makefile Linux 5.10.50 2021-07-14 16:56:55 +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.