Jerry Snitselaar 103a197c0c security/device_cgroup: lock assert fails in dev_exception_clean() ... devcgroup_css_free() calls dev_exception_clean() without the devcgroup_mutex being locked. Shutting down a kvm virt was giving me the following trace: [36280.732764] ------------[ cut here ]------------ [36280.732778] WARNING: at /home/snits/dev/linux/security/device_cgroup.c:172 dev_exception_clean+0xa9/0xc0() [36280.732782] Hardware name: Studio XPS 8100 [36280.732785] Modules linked in: xt_REDIRECT fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle bridge stp llc nf_conntrack_ipv4 ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_defrag_ipv4 ip6table_filter it87 hwmon_vid xt_state nf_conntrack ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq coretemp snd_seq_device crc32c_intel snd_pcm snd_page_alloc snd_timer snd broadcom tg3 serio_raw i7core_edac edac_core ptp pps_core lpc_ich pcspkr mfd_core soundcore microcode i2c_i801 nfsd auth_rpcgss nfs_acl lockd vhost_net sunrpc tun macvtap macvlan kvm_intel kvm uinput binfmt_misc autofs4 usb_storage firewire_ohci firewire_core crc_itu_t radeon drm_kms_helper ttm [36280.732921] Pid: 933, comm: libvirtd Tainted: G W 3.8.0-rc3-00307-g4c217de #1 [36280.732922] Call Trace: [36280.732927] [<ffffffff81044303>] warn_slowpath_common+0x93/0xc0 [36280.732930] [<ffffffff8104434a>] warn_slowpath_null+0x1a/0x20 [36280.732932] [<ffffffff812deaf9>] dev_exception_clean+0xa9/0xc0 [36280.732934] [<ffffffff812deb2a>] devcgroup_css_free+0x1a/0x30 [36280.732938] [<ffffffff810ccd76>] cgroup_diput+0x76/0x210 [36280.732941] [<ffffffff8119eac0>] d_delete+0x120/0x180 [36280.732943] [<ffffffff81195cff>] vfs_rmdir+0xef/0x130 [36280.732945] [<ffffffff81195e47>] do_rmdir+0x107/0x1c0 [36280.732949] [<ffffffff8132d17e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [36280.732951] [<ffffffff81198646>] sys_rmdir+0x16/0x20 [36280.732954] [<ffffffff8173bd82>] system_call_fastpath+0x16/0x1b [36280.732956] ---[ end trace ca39dced899a7d9f ]--- Signed-off-by: Jerry Snitselaar <jerry.snitselaar@oracle.com> Cc: stable@kernel.org Signed-off-by: James Morris <james.l.morris@oracle.com>		2013-01-22 00:27:55 +11:00
..
apparmor	apparmor: fix IRQ stack overflow during free_profile	2012-10-25 02:12:50 +11:00
integrity	evm: checking if removexattr is not a NULL	2013-01-22 00:27:50 +11:00
keys	keys: fix unreachable code	2012-12-20 17:40:21 -08:00
selinux	bridge: update selinux perm table for RTM_NEWMDB and RTM_DELMDB	2012-12-15 17:14:38 -08:00
smack	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security	2012-12-16 15:40:50 -08:00
tomoyo	consitify do_mount() arguments	2012-10-11 20:02:04 -04:00
yama	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2012-12-17 15:44:47 -08:00
Kconfig	KEYS: Move the key config into security/keys/Kconfig	2012-05-11 10:56:56 +01:00
Makefile	security: Yama LSM	2012-02-10 09:18:52 +11:00
capability.c	security: introduce kernel_module_from_file hook	2012-12-14 13:05:24 +10:30
commoncap.c	Fix cap_capable to only allow owners in the parent user namespace to have caps.	2012-12-14 13:50:32 -08:00
device_cgroup.c	security/device_cgroup: lock assert fails in dev_exception_clean()	2013-01-22 00:27:55 +11:00
inode.c	securityfs: fix object creation races	2012-01-10 10:20:35 -05:00
lsm_audit.c	LSM: BUILD_BUG_ON if the common_audit_data union ever grows	2012-04-09 12:23:03 -04:00
min_addr.c	mmap_min_addr check CAP_SYS_RAWIO only for write	2010-04-23 08:56:31 +10:00
security.c	ima: support new kernel module syscall	2012-12-14 13:05:26 +10:30