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Xiubo Li 274e4c79a3 ceph: avoid putting the realm twice when decoding snaps fails 
[ Upstream commit 51884d153f7ec85e18d607b2467820a90e0f4359 ]

When decoding the snaps fails it maybe leaving the 'first_realm'
and 'realm' pointing to the same snaprealm memory. And then it'll
put it twice and could cause random use-after-free, BUG_ON, etc
issues.

Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/57686
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-08 11:18:31 +01:00
..
acl.c
ceph: return errors from posix_acl_equiv_mode() correctly
2018-08-02 21:26:12 +02:00
addr.c
ceph: remove bogus checks and WARN_ONs from ceph_set_page_dirty
2021-07-20 16:16:11 +02:00
cache.c
ceph: use timespec64 for inode timestamp
2018-08-02 21:26:12 +02:00
cache.h
ceph: improve fscache revalidation
2016-06-01 10:31:50 +02:00
caps.c
ceph: lockdep annotations for try_nonblocking_invalidate
2021-09-26 13:39:48 +02:00
ceph_frag.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debugfs.c
bdi: use bdi_dev_name() to get device name
2021-08-08 08:54:29 +02:00
dir.c
ceph: ensure d_name stability in ceph_dentry_hash()
2019-05-02 09:58:54 +02:00
export.c
ceph: return ceph_mdsc_do_request() errors from __get_parent()
2020-04-29 16:31:10 +02:00
file.c
ceph: don't truncate file in atomic_open
2022-10-26 13:19:18 +02:00
inode.c
ceph: fix fscache invalidation
2021-05-22 10:59:49 +02:00
ioctl.c
libceph, ceph: move ceph_calc_file_object_mapping() to striper.c
2018-04-02 10:12:43 +02:00
ioctl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at
2018-01-01 12:45:37 -07:00
locks.c
ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply
2019-08-29 08:28:50 +02:00
Makefile
ceph: quota: add initial infrastructure to support cephfs quotas
2018-04-02 11:17:51 +02:00
mds_client.c
ceph: fix potential mdsc use-after-free crash
2020-09-03 11:24:22 +02:00
mds_client.h
ceph: support cephfs' own feature bits
2018-08-13 17:55:44 +02:00
mdsmap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
quota.c
ceph: quota: fix null pointer dereference in quota check
2018-11-27 16:13:05 +01:00
snap.c
ceph: avoid putting the realm twice when decoding snaps fails
2022-12-08 11:18:31 +01:00
strings.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
super.c
ceph: canonicalize server path in place
2020-04-13 10:45:12 +02:00
super.h
ceph: canonicalize server path in place
2020-04-13 10:45:12 +02:00
xattr.c
ceph: allow ceph.dir.rctime xattr to be updatable
2022-06-14 16:59:38 +02:00