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1f5781725d
linux/security
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Tetsuo Handa 1f5781725d commoncap: Handle memory allocation failure. 
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>
2018-04-10 19:17:41 -05:00
..
apparmor vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
integrity iversion.h related cleanup for v4.16 2018-02-07 14:25:22 -08:00
keys Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-01-31 13:12:31 -08:00
loadpin security: mark LSM hooks as __ro_after_init 2017-03-06 11:00:15 +11:00
selinux msg/security: Pass kern_ipc_perm not msg_queue into the msg_queue security hooks 2018-03-22 21:22:26 -05:00
smack ipc/smack: Tidy up from the change in type of the ipc security hooks 2018-03-27 15:53:57 -05:00
tomoyo vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
yama pids: introduce find_get_task_by_vpid() helper 2018-02-06 18:32:46 -08:00
commoncap.c commoncap: Handle memory allocation failure. 2018-04-10 19:17:41 -05:00
device_cgroup.c device_cgroup: prepare code for bpf-based device controller 2017-11-05 23:26:51 +09:00
inode.c securityfs: add the ability to support symlinks 2017-06-08 12:51:43 -07:00
Kconfig Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
lsm_audit.c lsm_audit: update my email address 2017-08-17 15:33:39 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 msg/security: Pass kern_ipc_perm not msg_queue into the msg_queue security hooks 2018-03-22 21:22:26 -05:00