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
..
include	apparmor: constify aa_path_link()	2016-03-28 00:47:26 -04:00
.gitignore	AppArmor: remove af_names.h from .gitignore	2012-09-01 08:35:34 -07:00
apparmorfs.c	VFS: security/: d_inode() annotations	2015-04-15 15:06:57 -04:00
audit.c	apparmor: fix uninitialized lsm_audit member	2016-07-12 08:43:10 -07:00
capability.c	apparmor: fix capability to not use the current task, during reporting	2013-10-29 21:33:37 -07:00
context.c	apparmor: change how profile replacement update is done	2013-08-14 11:42:06 -07:00
crypto.c	apparmor: Use shash crypto API interface for profile hashes	2013-09-30 09:53:59 +10:00
domain.c	LSM: Switch to lists of hooks	2015-05-12 15:00:41 +10:00
file.c	apparmor: fix uninitialized lsm_audit member	2016-07-12 08:43:10 -07:00
ipc.c	apparmor: fix capability to not use the current task, during reporting	2013-10-29 21:33:37 -07:00
Kconfig	apparmor: clarify CRYPTO dependency	2015-10-22 11:11:28 +11:00
lib.c	nick kvfree() from apparmor	2014-05-06 14:02:53 -04:00
lsm.c	constify security_path_{link,rename}	2016-03-28 00:47:36 -04:00
Makefile	apparmor: add the ability to report a sha1 hash of loaded policy	2013-08-14 11:42:08 -07:00
match.c	apparmor: reserve and mask off the top 8 bits of the base field	2013-04-28 00:37:32 -07:00
path.c	[apparmor] constify struct path * in a bunch of helpers	2016-03-27 23:48:14 -04:00
policy_unpack.c	apparmor: add the ability to report a sha1 hash of loaded policy	2013-08-14 11:42:08 -07:00
policy.c	apparmor: fix replacement bug that adds new child to old parent	2016-07-12 08:43:10 -07:00
procattr.c	apparmor: add interface files for profiles and namespaces	2013-08-14 11:42:07 -07:00
resource.c	apparmor: relax the restrictions on setting rlimits	2013-04-28 00:36:46 -07:00
sid.c	AppArmor: core policy routines	2010-08-02 15:38:37 +10:00