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* selinux: include vmalloc.h for vmalloc_userStephen Rothwell2010-10-20
| | | | | | | Include vmalloc.h for vmalloc_user (fixes ppc build warning). Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: implement mmap on /selinux/policyEric Paris2010-10-20
| | | | | | | | /selinux/policy allows a user to copy the policy back out of the kernel. This patch allows userspace to actually mmap that file and use it directly. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* SELinux: allow userspace to read policy back out of the kernelEric Paris2010-10-20
| | | | | | | | | | There is interest in being able to see what the actual policy is that was loaded into the kernel. The patch creates a new selinuxfs file /selinux/policy which can be read by userspace. The actual policy that is loaded into the kernel will be written back out to userspace. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* SELinux: drop useless (and incorrect) AVTAB_MAX_SIZEEric Paris2010-10-20
| | | | | | | | | | | AVTAB_MAX_SIZE was a define which was supposed to be used in userspace to define a maximally sized avtab when userspace wasn't sure how big of a table it needed. It doesn't make sense in the kernel since we always know our table sizes. The only place it is used we have a more appropiately named define called AVTAB_MAX_HASH_BUCKETS, use that instead. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* SELinux: deterministic ordering of range transition rulesEric Paris2010-10-20
| | | | | | | | | Range transition rules are placed in the hash table in an (almost) arbitrary order. This patch inserts them in a fixed order to make policy retrival more predictable. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* security: secid_to_secctx returns len when data is NULLEric Paris2010-10-20
| | | | | | | | | | | | | | | | With the (long ago) interface change to have the secid_to_secctx functions do the string allocation instead of having the caller do the allocation we lost the ability to query the security server for the length of the upcoming string. The SECMARK code would like to allocate a netlink skb with enough length to hold the string but it is just too unclean to do the string allocation twice or to do the allocation the first time and hold onto the string and slen. This patch adds the ability to call security_secid_to_secctx() with a NULL data pointer and it will just set the slen pointer. Signed-off-by: Eric Paris <eparis@redhat.com> Reviewed-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
* secmark: make secmark object handling genericEric Paris2010-10-20
| | | | | | | | | | | | | Right now secmark has lots of direct selinux calls. Use all LSM calls and remove all SELinux specific knowledge. The only SELinux specific knowledge we leave is the mode. The only point is to make sure that other LSMs at least test this generic code before they assume it works. (They may also have to make changes if they do not represent labels as strings) Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Paul Moore <paul.moore@hp.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: James Morris <jmorris@namei.org>
* AppArmor: Ensure the size of the copy is < the buffer allocated to hold itJohn Johansen2010-10-20
| | | | | | | | | | | Actually I think in this case the appropriate thing to do is to BUG as there is currently a case (remove) where the alloc_size needs to be larger than the copy_size, and if copy_size is ever greater than alloc_size there is a mistake in the caller code. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Kees Cook <kees.cook@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* TOMOYO: Print URL information before panic().Tetsuo Handa2010-10-20
| | | | | | | | | Configuration files for TOMOYO 2.3 are not compatible with TOMOYO 2.2. But current panic() message is too unfriendly and is confusing users. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: James Morris <jmorris@namei.org>
* security: remove unused parameter from security_task_setscheduler()KOSAKI Motohiro2010-10-20
| | | | | | | | | | | | | | All security modules shouldn't change sched_param parameter of security_task_setscheduler(). This is not only meaningless, but also make a harmful result if caller pass a static variable. This patch remove policy and sched_param parameter from security_task_setscheduler() becuase none of security module is using it. Cc: James Morris <jmorris@namei.org> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: fix up style problem on /selinux/statusKaiGai Kohei2010-10-20
| | | | | | | | | | This patch fixes up coding-style problem at this commit: 4f27a7d49789b04404eca26ccde5f527231d01d5 selinux: fast status update interface (/selinux/status) Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: change to new flag variablematt mooney2010-10-20
| | | | | | | Replace EXTRA_CFLAGS with ccflags-y. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: really fix dependency causing parallel compile failure.Paul Gortmaker2010-10-20
| | | | | | | | | | | | | | | | | | | | | | While the previous change to the selinux Makefile reduced the window significantly for this failure, it is still possible to see a compile failure where cpp starts processing selinux files before the auto generated flask.h file is completed. This is easily reproduced by adding the following temporary change to expose the issue everytime: - cmd_flask = scripts/selinux/genheaders/genheaders ... + cmd_flask = sleep 30 ; scripts/selinux/genheaders/genheaders ... This failure happens because the creation of the object files in the ss subdir also depends on flask.h. So simply incorporate them into the parent Makefile, as the ss/Makefile really doesn't do anything unique. With this change, compiling of all selinux files is dependent on completion of the header file generation, and this test case with the "sleep 30" now confirms it is functioning as expected. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: fix parallel compile errorPaul Gortmaker2010-10-20
| | | | | | | | | | | | | | | | | | | Selinux has an autogenerated file, "flask.h" which is included by two other selinux files. The current makefile has a single dependency on the first object file in the selinux-y list, assuming that will get flask.h generated before anyone looks for it, but that assumption breaks down in a "make -jN" situation and you get: selinux/selinuxfs.c:35: fatal error: flask.h: No such file or directory compilation terminated. remake[9]: *** [security/selinux/selinuxfs.o] Error 1 Since flask.h is included by security.h which in turn is included nearly everywhere, make the dependency apply to all of the selinux-y list of objs. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: fast status update interface (/selinux/status)KaiGai Kohei2010-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides a new /selinux/status entry which allows applications read-only mmap(2). This region reflects selinux_kernel_status structure in kernel space. struct selinux_kernel_status { u32 length; /* length of this structure */ u32 sequence; /* sequence number of seqlock logic */ u32 enforcing; /* current setting of enforcing mode */ u32 policyload; /* times of policy reloaded */ u32 deny_unknown; /* current setting of deny_unknown */ }; When userspace object manager caches access control decisions provided by SELinux, it needs to invalidate the cache on policy reload and setenforce to keep consistency. However, the applications need to check the kernel state for each accesses on userspace avc, or launch a background worker process. In heuristic, frequency of invalidation is much less than frequency of making access control decision, so it is annoying to invoke a system call to check we don't need to invalidate the userspace cache. If we can use a background worker thread, it allows to receive invalidation messages from the kernel. But it requires us an invasive coding toward the base application in some cases; E.g, when we provide a feature performing with SELinux as a plugin module, it is unwelcome manner to launch its own worker thread from the module. If we could map /selinux/status to process memory space, application can know updates of selinux status; policy reload or setenforce. A typical application checks selinux_kernel_status::sequence when it tries to reference userspace avc. If it was changed from the last time when it checked userspace avc, it means something was updated in the kernel space. Then, the application can reset userspace avc or update current enforcing mode, without any system call invocations. This sequence number is updated according to the seqlock logic, so we need to wait for a while if it is odd number. Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Acked-by: Eric Paris <eparis@redhat.com> -- security/selinux/include/security.h | 21 ++++++ security/selinux/selinuxfs.c | 56 +++++++++++++++ security/selinux/ss/Makefile | 2 +- security/selinux/ss/services.c | 3 + security/selinux/ss/status.c | 129 +++++++++++++++++++++++++++++++++++ 5 files changed, 210 insertions(+), 1 deletions(-) Signed-off-by: James Morris <jmorris@namei.org>
* .gitignore: ignore apparmor/rlim_names.hYong Zhang2010-10-20
| | | | | | Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* LSM: Fix security_module_enable() error.Tetsuo Handa2010-10-20
| | | | | | | | | | We can set default LSM module to DAC (which means "enable no LSM module"). If default LSM module was set to DAC, security_module_enable() must return 0 unless overridden via boot time parameter. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: James Morris <jmorris@namei.org>
* selinux: type_bounds_sanity_check has a meaningless variable declarationEric Paris2010-10-20
| | | | | | | | type is not used at all, stop declaring and assigning it. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org>
* tomoyo: cleanup. don't store bogus pointerDan Carpenter2010-10-20
| | | | | | | | | | | If domain is NULL then &domain->list is a bogus address. Let's leave head->r.domain NULL instead of saving an unusable pointer. This is just a cleanup. The current code always checks head->r.eof before dereferencing head->r.domain. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
* TOMOYO: Don't abuse sys_getpid(), sys_getppid()Ben Hutchings2010-09-26
| | | | | | | | | | | System call entry functions sys_*() are never to be called from general kernel code. The fact that they aren't declared in header files should have been a clue. These functions also don't exist on Alpha since it has sys_getxpid() instead. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
* KEYS: Fix bug in keyctl_session_to_parent() if parent has no session keyringDavid Howells2010-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a bug in keyctl_session_to_parent() whereby it tries to check the ownership of the parent process's session keyring whether or not the parent has a session keyring [CVE-2010-2960]. This results in the following oops: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 IP: [<ffffffff811ae4dd>] keyctl_session_to_parent+0x251/0x443 ... Call Trace: [<ffffffff811ae2f3>] ? keyctl_session_to_parent+0x67/0x443 [<ffffffff8109d286>] ? __do_fault+0x24b/0x3d0 [<ffffffff811af98c>] sys_keyctl+0xb4/0xb8 [<ffffffff81001eab>] system_call_fastpath+0x16/0x1b if the parent process has no session keyring. If the system is using pam_keyinit then it mostly protected against this as all processes derived from a login will have inherited the session keyring created by pam_keyinit during the log in procedure. To test this, pam_keyinit calls need to be commented out in /etc/pam.d/. Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Tavis Ormandy <taviso@cmpxchg8b.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* KEYS: Fix RCU no-lock warning in keyctl_session_to_parent()David Howells2010-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's an protected access to the parent process's credentials in the middle of keyctl_session_to_parent(). This results in the following RCU warning: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- security/keys/keyctl.c:1291 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock held by keyctl-session-/2137: #0: (tasklist_lock){.+.+..}, at: [<ffffffff811ae2ec>] keyctl_session_to_parent+0x60/0x236 stack backtrace: Pid: 2137, comm: keyctl-session- Not tainted 2.6.36-rc2-cachefs+ #1 Call Trace: [<ffffffff8105606a>] lockdep_rcu_dereference+0xaa/0xb3 [<ffffffff811ae379>] keyctl_session_to_parent+0xed/0x236 [<ffffffff811af77e>] sys_keyctl+0xb4/0xb6 [<ffffffff81001eab>] system_call_fastpath+0x16/0x1b The code should take the RCU read lock to make sure the parents credentials don't go away, even though it's holding a spinlock and has IRQ disabled. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ima: always maintain countersMimi Zohar2010-09-07
| | | | | | | | | | | | | | | | | | commit 8262bb85da allocated the inode integrity struct (iint) before any inodes were created. Only after IMA was initialized in late_initcall were the counters updated. This patch updates the counters, whether or not IMA has been initialized, to resolve 'imbalance' messages. This patch fixes the bug as reported in bugzilla: 15673. When the i915 is builtin, the ring_buffer is initialized before IMA, causing the imbalance message on suspend. Reported-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Tested-by: Thomas Meyer <thomas@m3y3r.de> Tested-by: David Safford<safford@watson.ibm.com> Cc: Stable Kernel <stable@kernel.org> Signed-off-by: James Morris <jmorris@namei.org>
* AppArmor: Fix locking from removal of profile namespaceJohn Johansen2010-09-07
| | | | | | | | | The locking for profile namespace removal is wrong, when removing a profile namespace, it needs to be removed from its parent's list. Lock the parent of namespace list instead of the namespace being removed. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* AppArmor: Fix splitting an fqname into separate namespace and profile namesJohn Johansen2010-09-07
| | | | | | | | | | | | | | | | | | As per Dan Carpenter <error27@gmail.com> If we have a ns name without a following profile then in the original code it did "*ns_name = &name[1];". "name" is NULL so "*ns_name" is 0x1. That isn't useful and could cause an oops when this function is called from aa_remove_profiles(). Beyond this the assignment of the namespace name was wrong in the case where the profile name was provided as it was being set to &name[1] after name = skip_spaces(split + 1); Move the ns_name assignment before updating name for the split and also add skip_spaces, making the interface more robust. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* AppArmor: Fix security_task_setrlimit logic for 2.6.36 changesJohn Johansen2010-09-07
| | | | | | | | | | | | 2.6.36 introduced the abilitiy to specify the task that is having its rlimits set. Update mediation to ensure that confined tasks can only set their own group_leader as expected by current policy. Add TODO note about extending policy to support setting other tasks rlimits. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* AppArmor: Drop hack to remove appended " (deleted)" stringJohn Johansen2010-09-07
| | | | | | | | | The 2.6.36 kernel has refactored __d_path() so that it no longer appends " (deleted)" to unlinked paths. So drop the hack that was used to detect and remove the appended string. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-08-18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fs: brlock vfsmount_lock fs: scale files_lock lglock: introduce special lglock and brlock spin locks tty: fix fu_list abuse fs: cleanup files_lock locking fs: remove extra lookup in __lookup_hash fs: fs_struct rwlock to spinlock apparmor: use task path helpers fs: dentry allocation consolidation fs: fix do_lookup false negative mbcache: Limit the maximum number of cache entries hostfs ->follow_link() braino hostfs: dumb (and usually harmless) tpyo - strncpy instead of strlcpy remove SWRITE* I/O types kill BH_Ordered flag vfs: update ctime when changing the file's permission by setfacl cramfs: only unlock new inodes fix reiserfs_evict_inode end_writeback second call
| * tty: fix fu_list abuseNick Piggin2010-08-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tty: fix fu_list abuse tty code abuses fu_list, which causes a bug in remount,ro handling. If a tty device node is opened on a filesystem, then the last link to the inode removed, the filesystem will be allowed to be remounted readonly. This is because fs_may_remount_ro does not find the 0 link tty inode on the file sb list (because the tty code incorrectly removed it to use for its own purpose). This can result in a filesystem with errors after it is marked "clean". Taking idea from Christoph's initial patch, allocate a tty private struct at file->private_data and put our required list fields in there, linking file and tty. This makes tty nodes behave the same way as other device nodes and avoid meddling with the vfs, and avoids this bug. The error handling is not trivial in the tty code, so for this bugfix, I take the simple approach of using __GFP_NOFAIL and don't worry about memory errors. This is not a problem because our allocator doesn't fail small allocs as a rule anyway. So proper error handling is left as an exercise for tty hackers. [ Arguably filesystem's device inode would ideally be divorced from the driver's pseudo inode when it is opened, but in practice it's not clear whether that will ever be worth implementing. ] Cc: linux-kernel@vger.kernel.org Cc: Christoph Hellwig <hch@infradead.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fs: cleanup files_lock lockingNick Piggin2010-08-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fs: cleanup files_lock locking Lock tty_files with a new spinlock, tty_files_lock; provide helpers to manipulate the per-sb files list; unexport the files_lock spinlock. Cc: linux-kernel@vger.kernel.org Cc: Christoph Hellwig <hch@infradead.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * apparmor: use task path helpersNick Piggin2010-08-18
| | | | | | | | | | | | | | apparmor: use task path helpers Signed-off-by: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-08-17
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: AppArmor: fix task_setrlimit prototype
| * | AppArmor: fix task_setrlimit prototypeJiri Slaby2010-08-16
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After rlimits tree was merged we get the following errors: security/apparmor/lsm.c:663:2: warning: initialization from incompatible pointer type It is because AppArmor was merged in the meantime, but uses the old prototype. So fix it by adding struct task_struct as a first parameter of apparmor_task_setrlimit. NOTE that this is ONLY a compilation warning fix (and crashes caused by that). It needs proper handling in AppArmor depending on who is the 'task'. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* / Make do_execve() take a const filename pointerDavid Howells2010-08-17
|/ | | | | | | | | | | | | | | | | | | | | | | | | | Make do_execve() take a const filename pointer so that kernel_execve() compiles correctly on ARM: arch/arm/kernel/sys_arm.c:88: warning: passing argument 1 of 'do_execve' discards qualifiers from pointer target type This also requires the argv and envp arguments to be consted twice, once for the pointer array and once for the strings the array points to. This is because do_execve() passes a pointer to the filename (now const) to copy_strings_kernel(). A simpler alternative would be to cast the filename pointer in do_execve() when it's passed to copy_strings_kernel(). do_execve() may not change any of the strings it is passed as part of the argv or envp lists as they are some of them in .rodata, so marking these strings as const should be fine. Further kernel_execve() and sys_execve() need to be changed to match. This has been test built on x86_64, frv, arm and mips. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'params' of ↵Linus Torvalds2010-08-12
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus * 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits) param: don't deref arg in __same_type() checks param: update drivers/acpi/debug.c to new scheme param: use module_param in drivers/message/fusion/mptbase.c ide: use module_param_named rather than module_param_call param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes. param: lock myri10ge_fw_name against sysfs changes. param: simple locking for sysfs-writable charp parameters param: remove unnecessary writable charp param: add kerneldoc to moduleparam.h param: locking for kernel parameters param: make param sections const. param: use free hook for charp (fix leak of charp parameters) param: add a free hook to kernel_param_ops. param: silence .init.text references from param ops Add param ops struct for hvc_iucv driver. nfs: update for module_param_named API change AppArmor: update for module_param_named API change param: use ops in struct kernel_param, rather than get and set fns directly param: move the EXPORT_SYMBOL to after the definitions. ...
| * AppArmor: update for module_param_named API changeStephen Rothwell2010-08-11
| | | | | | | | | | | | | | | | | | | | | | Fixes these build errors: security/apparmor/lsm.c:701: error: 'param_ops_aabool' undeclared here (not in a function) security/apparmor/lsm.c:721: error: 'param_ops_aalockpolicy' undeclared here (not in a function) security/apparmor/lsm.c:729: error: 'param_ops_aauint' undeclared here (not in a function) Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | Add a dummy printk function for the maintenance of unused printksDavid Howells2010-08-12
|/ | | | | | | | Add a dummy printk function for the maintenance of unused printks through gcc format checking, and also so that side-effect checking is maintained too. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'writable_limits' of git://decibel.fi.muni.cz/~xslaby/linuxLinus Torvalds2010-08-10
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'writable_limits' of git://decibel.fi.muni.cz/~xslaby/linux: unistd: add __NR_prlimit64 syscall numbers rlimits: implement prlimit64 syscall rlimits: switch more rlimit syscalls to do_prlimit rlimits: redo do_setrlimit to more generic do_prlimit rlimits: add rlimit64 structure rlimits: do security check under task_lock rlimits: allow setrlimit to non-current tasks rlimits: split sys_setrlimit rlimits: selinux, do rlimits changes under task_lock rlimits: make sure ->rlim_max never grows in sys_setrlimit rlimits: add task_struct to update_rlimit_cpu rlimits: security, add task_struct to setrlimit Fix up various system call number conflicts. We not only added fanotify system calls in the meantime, but asm-generic/unistd.h added a wait4 along with a range of reserved per-architecture system calls.
| * rlimits: selinux, do rlimits changes under task_lockOleg Nesterov2010-07-16
| | | | | | | | | | | | | | | | | | | | | | | | | | When doing an exec, selinux updates rlimits in its code of current process depending on current max. Make sure max or cur doesn't change in the meantime by grabbing task_lock which do_prlimit needs for changing limits too. While at it, use rlimit helper for accessing CPU rlimit a line below. To have a volatile access too. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Oleg Nesterov <oleg@redhat.com>
| * rlimits: add task_struct to update_rlimit_cpuJiri Slaby2010-07-16
| | | | | | | | | | | | | | | | Add task_struct as a parameter to update_rlimit_cpu to be able to set rlimit_cpu of different task than current. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: James Morris <jmorris@namei.org>
| * rlimits: security, add task_struct to setrlimitJiri Slaby2010-07-16
| | | | | | | | | | | | | | | | | | Add task_struct to task_setrlimit of security_operations to be able to set rlimit of task other than current. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Eric Paris <eparis@redhat.com> Acked-by: James Morris <jmorris@namei.org>
* | Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds2010-08-10
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.infradead.org/users/eparis/notify: (132 commits) fanotify: use both marks when possible fsnotify: pass both the vfsmount mark and inode mark fsnotify: walk the inode and vfsmount lists simultaneously fsnotify: rework ignored mark flushing fsnotify: remove global fsnotify groups lists fsnotify: remove group->mask fsnotify: remove the global masks fsnotify: cleanup should_send_event fanotify: use the mark in handler functions audit: use the mark in handler functions dnotify: use the mark in handler functions inotify: use the mark in handler functions fsnotify: send fsnotify_mark to groups in event handling functions fsnotify: Exchange list heads instead of moving elements fsnotify: srcu to protect read side of inode and vfsmount locks fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called fsnotify: use _rcu functions for mark list traversal fsnotify: place marks on object in order of group memory address vfs/fsnotify: fsnotify_close can delay the final work in fput fsnotify: store struct file not struct path ... Fix up trivial delete/modify conflict in fs/notify/inotify/inotify.c.
| * | fsnotify: new fsnotify hooks and events types for access decisionsEric Paris2010-07-28
| |/ | | | | | | | | | | | | | | | | | | introduce a new fsnotify hook, fsnotify_perm(), which is called from the security code. This hook is used to allow fsnotify groups to make access control decisions about events on the system. We also must change the generic fsnotify function to return an error code if we intend these hooks to be in any way useful. Signed-off-by: Eric Paris <eparis@redhat.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-08-07
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: SELINUX: Fix build error.
| * | SELINUX: Fix build error.Ralf Baechle2010-08-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix build error caused by a stale security/selinux/av_permissions.h in the $(src) directory which will override a more recent version in $(obj) that is it appears to strike only when building with a separate object directory. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* | | KEYS: request_key() should return -ENOKEY if the constructed key is negativeDavid Howells2010-08-06
|/ / | | | | | | | | | | | | | | | | | | | | request_key() should return -ENOKEY if the key it constructs has been negatively instantiated. Without this, request_key() can return an unusable key to its caller, and if the caller then does key_validate() that won't catch the problem. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | apparmor: depends on NETRandy Dunlap2010-08-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SECURITY_APPARMOR should depend on NET since AUDIT needs (depends on) NET. Fixes 70-80 errors that occur when CONFIG_NET is not enabled, but APPARMOR selects AUDIT without qualification. E.g.: audit.c:(.text+0x33361): undefined reference to `netlink_unicast' (.text+0x333df): undefined reference to `netlink_unicast' audit.c:(.text+0x3341d): undefined reference to `skb_queue_tail' audit.c:(.text+0x33424): undefined reference to `kfree_skb' audit.c:(.text+0x334cb): undefined reference to `kfree_skb' audit.c:(.text+0x33597): undefined reference to `skb_put' audit.c:(.text+0x3369b): undefined reference to `__alloc_skb' audit.c:(.text+0x336d7): undefined reference to `kfree_skb' (.text+0x3374c): undefined reference to `__alloc_skb' auditfilter.c:(.text+0x35305): undefined reference to `skb_queue_tail' lsm_audit.c:(.text+0x2873): undefined reference to `init_net' lsm_audit.c:(.text+0x2878): undefined reference to `dev_get_by_index' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
* | Merge branch 'for-next' of ↵Linus Torvalds2010-08-04
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
| * | Merge branch 'master' into for-nextJiri Kosina2010-08-04
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| * | Merge branch 'master' into for-nextJiri Kosina2010-06-16
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