Tetsuo Handa 77df079be9 commoncap: Handle memory allocation failure. ... commit 1f5781725d upstream. syzbot is reporting NULL pointer dereference at xattr_getsecurity() [1], for cap_inode_getsecurity() is returning sizeof(struct vfs_cap_data) when memory allocation failed. Return -ENOMEM if memory allocation failed. [1] https://syzkaller.appspot.com/bug?id=a55ba438506fe68649a5f50d2d82d56b365e0107 Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Fixes: 8db6c34f1d ("Introduce v3 namespaced file capabilities") Reported-by: syzbot <syzbot+9369930ca44f29e60e2d@syzkaller.appspotmail.com> Cc: stable <stable@vger.kernel.org> # 4.14+ Acked-by: Serge E. Hallyn <serge@hallyn.com> Acked-by: James Morris <james.morris@microsoft.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2018-04-29 11:33:16 +02:00
..
apparmor	apparmor: fix resource audit messages when auditing peer	2018-04-19 08:56:18 +02:00
integrity	ima: relax requiring a file signature for new files with zero length	2018-03-19 08:42:56 +01:00
keys	KEYS: reject NULL restriction string when type is specified	2017-12-14 09:52:53 +01:00
loadpin	security: mark LSM hooks as __ro_after_init	2017-03-06 11:00:15 +11:00
selinux	selinux: skip bounded transition processing if the policy isn't loaded	2018-02-25 11:07:49 +01:00
smack	lsm: fix smack_inode_removexattr and xattr_getsecurity memleak	2017-10-04 18:03:15 +11:00
tomoyo	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
yama	doc: ReSTify Yama.txt	2017-05-18 10:33:04 -06:00
Kconfig	/dev/mem: Add bounce buffer for copy-out	2018-03-24 11:01:24 +01:00
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
commoncap.c	commoncap: Handle memory allocation failure.	2018-04-29 11:33:16 +02:00
device_cgroup.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
inode.c	securityfs: add the ability to support symlinks	2017-06-08 12:51:43 -07:00
lsm_audit.c	lsm_audit: update my email address	2017-08-17 15:33:39 -04:00
min_addr.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
security.c	selinux/stable-4.14 PR 20170831	2017-09-12 13:21:00 -07:00