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linux/fs/ceph
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Xiubo Li 732f861dd4 ceph: fix possible NULL pointer dereference for req->r_session 
commit 7acae6183cf37c48b8da48bbbdb78820fb3913f3 upstream.

The request will be inserted into the ci->i_unsafe_dirops before
assigning the req->r_session, so it's possible that we will hit
NULL pointer dereference bug here.

Cc: stable@vger.kernel.org
URL: https://tracker.ceph.com/issues/55327
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-05-09 09:14:30 +02:00
..
acl.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
addr.c
We have:
2021-09-08 15:50:32 -07:00
cache.c
ceph: rip out old fscache readpage handling
2021-04-27 23:52:21 +02:00
cache.h
ceph: remove some defunct forward declarations
2021-09-02 22:49:16 +02:00
caps.c
ceph: fix possible NULL pointer dereference for req->r_session
2022-05-09 09:14:30 +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
ceph: add IO size metrics support
2021-06-29 00:15:51 +02:00
dir.c
ceph: fix memory leak in ceph_readdir when note_last_dentry returns error
2022-04-13 20:59:10 +02:00
export.c
ceph: take reference to req->r_parent at point of assignment
2021-06-29 00:15:52 +02:00
file.c
ceph: set pool_ns in new inode layout for async creates
2022-02-01 17:27:01 +01:00
inode.c
ceph: fix inode reference leakage in ceph_get_snapdir()
2022-04-13 20:59:10 +02:00
io.c
ceph: fix kerneldoc copypasta over ceph_start_io_direct
2021-04-27 23:52:23 +02:00
io.h
ceph: add buffered/direct exclusionary locking for reads and writes
2019-09-16 12:06:25 +02:00
ioctl.c
ceph: consider inode's last read/write when calculating wanted caps
2020-03-30 12:42:42 +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
ceph: convert ceph_readpage to netfs_readpage
2021-04-27 23:52:22 +02:00
locks.c
fs: remove mandatory file locking support
2021-08-23 06:15:36 -04:00
Makefile
ceph: add dentry lease metric support
2020-06-01 13:22:51 +02:00
mds_client.c
ceph: initialize pathlen variable in reconnect_caps_cb
2021-12-22 09:32:38 +01:00
mds_client.h
ceph: flush mdlog before umounting
2021-09-02 22:49:16 +02:00
mdsmap.c
ceph: fix mdsmap decode when there are MDS's beyond max_mds
2021-11-18 19:17:15 +01:00
metric.c
ceph: cancel delayed work instead of flushing on mdsc teardown
2021-09-02 22:49:17 +02:00
metric.h
ceph: add IO size metrics support
2021-06-29 00:15:51 +02:00
quota.c
ceph: eliminate ceph_async_iput()
2021-06-29 00:15:52 +02:00
snap.c
ceph: add ceph_change_snap_realm() helper
2021-09-02 22:49:17 +02:00
strings.c
ceph: flush mdlog before umounting
2021-09-02 22:49:16 +02:00
super.c
ceph: properly handle statfs on multifs setups
2021-12-01 09:04:55 +01:00
super.h
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
util.c
ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c
2020-01-27 16:53:40 +01:00
xattr.c
ceph: add a new vxattr to return auth mds for an inode
2021-09-02 22:49:16 +02:00