John Johansen b6b1b81b3a apparmor: fix uninitialized lsm_audit member ... BugLink: http://bugs.launchpad.net/bugs/1268727 The task field in the lsm_audit struct needs to be initialized if a change_hat fails, otherwise the following oops will occur BUG: unable to handle kernel paging request at 0000002fbead7d08 IP: [<ffffffff8171153e>] _raw_spin_lock+0xe/0x50 PGD 1e3f35067 PUD 0 Oops: 0002 [#1] SMP Modules linked in: pppox crc_ccitt p8023 p8022 psnap llc ax25 btrfs raid6_pq xor xfs libcrc32c dm_multipath scsi_dh kvm_amd dcdbas kvm microcode amd64_edac_mod joydev edac_core psmouse edac_mce_amd serio_raw k10temp sp5100_tco i2c_piix4 ipmi_si ipmi_msghandler acpi_power_meter mac_hid lp parport hid_generic usbhid hid pata_acpi mpt2sas ahci raid_class pata_atiixp bnx2 libahci scsi_transport_sas [last unloaded: tipc] CPU: 2 PID: 699 Comm: changehat_twice Tainted: GF O 3.13.0-7-generic #25-Ubuntu Hardware name: Dell Inc. PowerEdge R415/08WNM9, BIOS 1.8.6 12/06/2011 task: ffff8802135c6000 ti: ffff880212986000 task.ti: ffff880212986000 RIP: 0010:[<ffffffff8171153e>] [<ffffffff8171153e>] _raw_spin_lock+0xe/0x50 RSP: 0018:ffff880212987b68 EFLAGS: 00010006 RAX: 0000000000020000 RBX: 0000002fbead7500 RCX: 0000000000000000 RDX: 0000000000000292 RSI: ffff880212987ba8 RDI: 0000002fbead7d08 RBP: ffff880212987b68 R08: 0000000000000246 R09: ffff880216e572a0 R10: ffffffff815fd677 R11: ffffea0008469580 R12: ffffffff8130966f R13: ffff880212987ba8 R14: 0000002fbead7d08 R15: ffff8800d8c6b830 FS: 00002b5e6c84e7c0(0000) GS:ffff880216e40000(0000) knlGS:0000000055731700 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000002fbead7d08 CR3: 000000021270f000 CR4: 00000000000006e0 Stack: ffff880212987b98 ffffffff81075f17 ffffffff8130966f 0000000000000009 0000000000000000 0000000000000000 ffff880212987bd0 ffffffff81075f7c 0000000000000292 ffff880212987c08 ffff8800d8c6b800 0000000000000026 Call Trace: [<ffffffff81075f17>] __lock_task_sighand+0x47/0x80 [<ffffffff8130966f>] ? apparmor_cred_prepare+0x2f/0x50 [<ffffffff81075f7c>] do_send_sig_info+0x2c/0x80 [<ffffffff81075fee>] send_sig_info+0x1e/0x30 [<ffffffff8130242d>] aa_audit+0x13d/0x190 [<ffffffff8130c1dc>] aa_audit_file+0xbc/0x130 [<ffffffff8130966f>] ? apparmor_cred_prepare+0x2f/0x50 [<ffffffff81304cc2>] aa_change_hat+0x202/0x530 [<ffffffff81308fc6>] aa_setprocattr_changehat+0x116/0x1d0 [<ffffffff8130a11d>] apparmor_setprocattr+0x25d/0x300 [<ffffffff812cee56>] security_setprocattr+0x16/0x20 [<ffffffff8121fc87>] proc_pid_attr_write+0x107/0x130 [<ffffffff811b7604>] vfs_write+0xb4/0x1f0 [<ffffffff811b8039>] SyS_write+0x49/0xa0 [<ffffffff8171a1bf>] tracesys+0xe1/0xe6 Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Seth Arnold <seth.arnold@canonical.com>		2016-07-12 08:43:10 -07:00
..
apparmor	apparmor: fix uninitialized lsm_audit member	2016-07-12 08:43:10 -07:00
integrity	ima: extend the measurement entry specific pcr	2016-06-30 01:14:22 -04:00
keys	KEYS: Strip trailing spaces	2016-06-14 10:29:44 +01:00
loadpin	LSM: LoadPin: provide enablement CONFIG	2016-05-17 20:10:30 +10:00
selinux	Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next	2016-07-07 10:15:34 +10:00
smack	Merge branch 'smack-for-4.8' of https://github.com/cschaufler/smack-next into next	2016-07-08 10:41:15 +10:00
tomoyo	security: tomoyo: simplify the gc kthread creation	2016-06-06 20:23:55 +10:00
yama	Yama: fix double-spinlock and user access in atomic context	2016-05-26 09:56:18 +10:00
commoncap.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-05-17 11:01:31 -07:00
device_cgroup.c	security/device_cgroup: Fix RCU_LOCKDEP_WARN() condition	2015-09-03 18:13:10 -07:00
inode.c	wrappers for ->i_mutex access	2016-01-22 18:04:28 -05:00
Kconfig	LSM: LoadPin for kernel file loading restrictions	2016-04-21 10:47:27 +10:00
lsm_audit.c	Merge branch 'next' of git://git.infradead.org/users/pcmoore/selinux into next	2015-08-15 13:29:57 +10:00
Makefile	LSM: LoadPin for kernel file loading restrictions	2016-04-21 10:47:27 +10:00
min_addr.c	mmap_min_addr check CAP_SYS_RAWIO only for write	2010-04-23 08:56:31 +10:00
security.c	LSM: Fix for security_inode_getsecurity and -EOPNOTSUPP	2016-06-06 19:59:18 +10:00