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The task_user_ns function hides the fact that it is getting the user
namespace from struct cred on the task. struct cred may go away as
soon as the rcu lock is released. This leads to a race where we
can dereference a stale user namespace pointer.
To make it obvious a struct cred is involved kill task_user_ns.
To kill the race modify the users of task_user_ns to only
reference the user namespace while the rcu lock is held.
Cc: Kees Cook <keescook@chromium.org>
Cc: James Morris <james.l.morris@oracle.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Modify create_new_namespaces to explicitly take a user namespace
parameter, instead of implicitly through the task_struct.
This allows an implementation of unshare(CLONE_NEWUSER) where
the new user namespace is not stored onto the current task_struct
until after all of the namespaces are created.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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- Push the permission check from the core setns syscall into
the setns install methods where the user namespace of the
target namespace can be determined, and used in a ns_capable
call.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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If an unprivileged user has the appropriate capabilities in their
current user namespace allow the creation of new namespaces.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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- Allow chown if CAP_CHOWN is present in the current user namespace
and the uid of the inode maps into the current user namespace, and
the destination uid or gid maps into the current user namespace.
- Allow perserving setgid when changing an inode if CAP_FSETID is
present in the current user namespace and the owner of the file has
a mapping into the current user namespace.
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Now that we have been through every permission check in the kernel
having uid == 0 and gid == 0 in your local user namespace no
longer adds any special privileges. Even having a full set
of caps in your local user namespace is safe because capabilies
are relative to your local user namespace, and do not confer
unexpected privileges.
Over the long term this should allow much more of the kernels
functionality to be safely used by non-root users. Functionality
like unsharing the mount namespace that is only unsafe because
it can fool applications whose privileges are raised when they
are executed. Since those applications have no privileges in
a user namespaces it becomes safe to spoof and confuse those
applications all you want.
Those capabilities will still need to be enabled carefully because
we may still need things like rlimits on the number of unprivileged
mounts but that is to avoid DOS attacks not to avoid fooling root
owned processes.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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When performing an exec where the binary lives in one user namespace and
the execing process lives in another usre namespace there is the possibility
that the target uids can not be represented.
Instead of failing the exec simply ignore the suid/sgid bits and run
the binary with lower privileges. We already do this in the case
of MNT_NOSUID so this should be a well tested code path.
As the user and group are not changed this should not introduce any
security issues.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Change return value from -EINVAL to -EPERM when the permission check fails.
Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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- Add a filesystem flag to mark filesystems that are safe to mount as
an unprivileged user.
- Add a filesystem flag to mark filesystems that don't need MNT_NODEV
when mounted by an unprivileged user.
- Relax the permission checks to allow unprivileged users that have
CAP_SYS_ADMIN permissions in the user namespace referred to by the
current mount namespace to be allowed to mount, unmount, and move
filesystems.
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Sharing mount subtress with mount namespaces created by unprivileged
users allows unprivileged mounts created by unprivileged users to
propagate to mount namespaces controlled by privileged users.
Prevent nasty consequences by changing shared subtrees to slave
subtress when an unprivileged users creates a new mount namespace.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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This will allow for support for unprivileged mounts in a new user namespace.
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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setns support for the mount namespace is a little tricky as an
arbitrary decision must be made about what to set fs->root and
fs->pwd to, as there is no expectation of a relationship between
the two mount namespaces. Therefore I arbitrarily find the root
mount point, and follow every mount on top of it to find the top
of the mount stack. Then I set fs->root and fs->pwd to that
location. The topmost root of the mount stack seems like a
reasonable place to be.
Bind mount support for the mount namespace inodes has the
possibility of creating circular dependencies between mount
namespaces. Circular dependencies can result in loops that
prevent mount namespaces from every being freed. I avoid
creating those circular dependencies by adding a sequence number
to the mount namespace and require all bind mounts be of a
younger mount namespace into an older mount namespace.
Add a helper function proc_ns_inode so it is possible to
detect when we are attempting to bind mound a namespace inode.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Once you are confined to a user namespace applications can not gain
privilege and escape the user namespace so there is no longer a reason
to restrict chroot.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Unsharing of the pid namespace unlike unsharing of other namespaces
does not take affect immediately. Instead it affects the children
created with fork and clone. The first of these children becomes the init
process of the new pid namespace, the rest become oddball children
of pid 0. From the point of view of the new pid namespace the process
that created it is pid 0, as it's pid does not map.
A couple of different semantics were considered but this one was
settled on because it is easy to implement and it is usable from
pam modules. The core reasons for the existence of unshare.
I took a survey of the callers of pam modules and the following
appears to be a representative sample of their logic.
{
setup stuff include pam
child = fork();
if (!child) {
setuid()
exec /bin/bash
}
waitpid(child);
pam and other cleanup
}
As you can see there is a fork to create the unprivileged user
space process. Which means that the unprivileged user space
process will appear as pid 1 in the new pid namespace. Further
most login processes do not cope with extraneous children which
means shifting the duty of reaping extraneous child process to
the creator of those extraneous children makes the system more
comprehensible.
The practical reason for this set of pid namespace semantics is
that it is simple to implement and verify they work correctly.
Whereas an implementation that requres changing the struct
pid on a process comes with a lot more races and pain. Not
the least of which is that glibc caches getpid().
These semantics are implemented by having two notions
of the pid namespace of a proces. There is task_active_pid_ns
which is the pid namspace the process was created with
and the pid namespace that all pids are presented to
that process in. The task_active_pid_ns is stored
in the struct pid of the task.
Then there is the pid namespace that will be used for children
that pid namespace is stored in task->nsproxy->pid_ns.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Instead of setting child_reaper and SIGNAL_UNKILLABLE one way
for the system init process, and another way for pid namespace
init processes test pid->nr == 1 and use the same code for both.
For the global init this results in SIGNAL_UNKILLABLE being set
much earlier in the initialization process.
This is a small cleanup and it paves the way for allowing unshare and
enter of the pid namespace as that path like our global init also will
not set CLONE_NEWPID.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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- Pid namespaces are designed to be inescapable so verify that the
passed in pid namespace is a child of the currently active
pid namespace or the currently active pid namespace itself.
Allowing the currently active pid namespace is important so
the effects of an earlier setns can be cancelled.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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task_active_pid_ns(current) != current->ns_proxy->pid_ns will
soon be allowed to support unshare and setns.
The definition of creating a child pid namespace when
task_active_pid_ns(current) != current->ns_proxy->pid_ns could be that
we create a child pid namespace of current->ns_proxy->pid_ns. However
that leads to strange cases like trying to have a single process be
init in multiple pid namespaces, which is racy and hard to think
about.
The definition of creating a child pid namespace when
task_active_pid_ns(current) != current->ns_proxy->pid_ns could be that
we create a child pid namespace of task_active_pid_ns(current). While
that seems less racy it does not provide any utility.
Therefore define the semantics of creating a child pid namespace when
task_active_pid_ns(current) != current->ns_proxy->pid_ns to be that the
pid namespace creation fails. That is easy to implement and easy
to think about.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Looking at pid_ns->nr_hashed is a bit simpler and it works for
disjoint process trees that an unshare or a join of a pid_namespace
may create.
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Set nr_hashed to -1 just before we schedule the work to cleanup proc.
Test nr_hashed just before we hash a new pid and if nr_hashed is < 0
fail.
This guaranteees that processes never enter a pid namespaces after we
have cleaned up the state to support processes in a pid namespace.
Currently sending SIGKILL to all of the process in a pid namespace as
init exists gives us this guarantee but we need something a little
stronger to support unsharing and joining a pid namespace.
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Track the number of pids in the proc hash table. When the number of
pids goes to 0 schedule work to unmount the kernel mount of proc.
Move the mount of proc into alloc_pid when we allocate the pid for
init.
Remove the surprising calls of pid_ns_release proc in fork and
proc_flush_task. Those code paths really shouldn't know about proc
namespace implementation details and people have demonstrated several
times that finding and understanding those code paths is difficult and
non-obvious.
Because of the call path detach pid is alwasy called with the
rtnl_lock held free_pid is not allowed to sleep, so the work to
unmounting proc is moved to a work queue. This has the side benefit
of not blocking the entire world waiting for the unnecessary
rcu_barrier in deactivate_locked_super.
In the process of making the code clear and obvious this fixes a bug
reported by Gao feng <gaofeng@cn.fujitsu.com> where we would leak a
mount of proc during clone(CLONE_NEWPID|CLONE_NEWNET) if copy_pid_ns
succeeded and copy_net_ns failed.
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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The expressions tsk->nsproxy->pid_ns and task_active_pid_ns
aka ns_of_pid(task_pid(tsk)) should have the same number of
cache line misses with the practical difference that
ns_of_pid(task_pid(tsk)) is released later in a processes life.
Furthermore by using task_active_pid_ns it becomes trivial
to write an unshare implementation for the the pid namespace.
So I have used task_active_pid_ns everywhere I can.
In fork since the pid has not yet been attached to the
process I use ns_of_pid, to achieve the same effect.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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- Capture the the user namespace that creates the pid namespace
- Use that user namespace to test if it is ok to write to
/proc/sys/kernel/ns_last_pid.
Zhao Hongjiang <zhaohongjiang@huawei.com> noticed I was missing a put_user_ns
in when destroying a pid_ns. I have foloded his patch into this one
so that bisects will work properly.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Now that we have s_fs_info pointing to our pid namespace
the original reason for the proc root inode having a struct
pid is gone.
Caching a pid in the root inode has led to some complicated
code. Now that we don't need the struct pid, just remove it.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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I had visions at one point of splitting proc into two filesystems. If
that had happened proc/self being the the part of proc that actually deals
with pids would have been a nice cleanup. As it is proc/self requires
a lot of unnecessary infrastructure for a single file.
The only user visible change is that a mounted /proc for a pid namespace
that is dead now shows a broken proc symlink, instead of being completely
invisible. I don't think anyone will notice or care.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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The kbuild test robot <fengguang.wu@intel.com> report the following error
when building mips with user namespace support enabled.
All error/warnings:
arch/mips/kernel/mips-mt-fpaff.c: In function 'check_same_owner':
arch/mips/kernel/mips-mt-fpaff.c:53:22: error: invalid operands to binary == (have 'kuid_t' and 'kuid_t')
arch/mips/kernel/mips-mt-fpaff.c:54:15: error: invalid operands to binary == (have 'kuid_t' and 'kuid_t')
Replace "a == b" with uid_eq(a, b) removes this error and allows the
code to work with user namespaces enabled.
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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The user namespace which creates a new network namespace owns that
namespace and all resources created in it. This way we can target
capability checks for privileged operations against network resources to
the user_ns which created the network namespace in which the resource
lives. Privilege to the user namespace which owns the network
namespace, or any parent user namespace thereof, provides the same
privilege to the network resource.
This patch is reworked from a version originally by
Serge E. Hallyn <serge.hallyn@canonical.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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The copy of copy_net_ns used when the network stack is not
built is broken as it does not return -EINVAL when attempting
to create a new network namespace. We don't even have
a previous network namespace.
Since we need a copy of copy_net_ns in net/net_namespace.h that is
available when the networking stack is not built at all move the
correct version of copy_net_ns from net_namespace.c into net_namespace.h
Leaving us with just 2 versions of copy_net_ns. One version for when
we compile in network namespace suport and another stub for all other
occasions.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Use kuid_t and kgid_t in struct fuse_conn and struct fuse_mount_data.
The connection between between a fuse filesystem and a fuse daemon is
established when a fuse filesystem is mounted and provided with a file
descriptor the fuse daemon created by opening /dev/fuse.
For now restrict the communication of uids and gids between the fuse
filesystem and the fuse daemon to the initial user namespace. Enforce
this by verifying the file descriptor passed to the mount of fuse was
opened in the initial user namespace. Ensuring the mount happens in
the initial user namespace is not necessary as mounts from non-initial
user namespaces are not yet allowed.
In fuse_req_init_context convert the currrent fsuid and fsgid into the
initial user namespace for the request that will be sent to the fuse
daemon.
In fuse_fill_attr convert the uid and gid passed from the fuse daemon
from the initial user namespace into kuids and kgids.
In iattr_to_fattr called from fuse_setattr convert kuids and kgids
into the uids and gids in the initial user namespace before passing
them to the fuse filesystem.
In fuse_change_attributes_common called from fuse_dentry_revalidate,
fuse_permission, fuse_geattr, and fuse_setattr, and fuse_iget convert
the uid and gid from the fuse daemon into a kuid and a kgid to store
on the fuse inode.
By default fuse mounts are restricted to task whose uid, suid, and
euid matches the fuse user_id and whose gid, sgid, and egid matches
the fuse group id. Convert the user_id and group_id mount options
into kuids and kgids at mount time, and use uid_eq and gid_eq to
compare the in fuse_allow_task.
Cc: Miklos Szeredi <miklos@szeredi.hu>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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Use kuid_t and kgid_t in struct autofs_info and struct autofs_wait_queue.
When creating directories and symlinks default the uid and gid of
the mount requester to the global root uid and gid. autofs4_wait
will update these fields when a mount is requested.
When generating autofsv5 packets report the uid and gid of the mount
requestor in user namespace of the process that opened the pipe,
reporting unmapped uids and gids as overflowuid and overflowgid.
In autofs_dev_ioctl_requester return the uid and gid of the last mount
requester converted into the calling processes user namespace. When the
uid or gid don't map return overflowuid and overflowgid as appropriate,
allowing failure to find a mount requester to be distinguished from
failure to map a mount requester.
The uid and gid mount options specifying the user and group of the
root autofs inode are converted into kuid and kgid as they are parsed
defaulting to the current uid and current gid of the process that
mounts autofs.
Mounting of autofs for the present remains confined to processes in
the initial user namespace.
Cc: Ian Kent <raven@themaw.net>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest confusion fix from Steven Rostedt:
"With the v3.7-rc2 kernel, the network cards on my target boxes were
not being brought up.
I found that the modules for the network was not being installed.
This was due to the config CONFIG_MODULES_USE_ELF_RELA that came
before CONFIG_MODULES, and confused ktest in thinking that
CONFIG_MODULES=y was not found.
Ktest needs to test all configs and not just stop if something starts
with CONFIG_MODULES."
* tag 'ktest-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Fix ktest confusion with CONFIG_MODULES_USE_ELF_RELA
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
Pull minor spi MXS fixes from Mark Brown:
"These fixes are both pretty minor ones and are driver local."
* tag 'spi-mxs' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
spi: mxs: Terminate DMA in case of DMA timeout
spi: mxs: Assign message status after transfer finished
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc fixes from Arnd Bergmann:
"Bug fixes for a number of ARM platforms, mostly OMAP, imx and at91.
These come a little later than I had hoped but unfortunately we had a
few of these patches cause regressions themselves and had to work out
how to deal with those in the meantime."
* tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
Revert "ARM i.MX25: Fix PWM per clock lookups"
ARM: versatile: fix versatile_defconfig
ARM: mvebu: update defconfig with 3.7 changes
ARM: at91: fix at91x40 build
ARM: socfpga: Fix socfpga compilation with early_printk() enabled
ARM: SPEAr: Remove unused empty files
MAINTAINERS: Add arm-soc tree entry
ARM: dts: mxs: add the "clock-names" for gpmi-nand
ARM: ux500: Correct SDI5 address and add some format changes
ARM: ux500: Specify AMBA Primecell IDs for Nomadik I2C in DT
ARM: ux500: Fix build error relating to IRQCHIP_SKIP_SET_WAKE
ARM: at91: drop duplicated config SOC_AT91SAM9 entry
ARM: at91/i2c: change id to let i2c-at91 work
ARM: at91/i2c: change id to let i2c-gpio work
ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
ARM: at91: fix external interrupt specification in board code
ARM: at91: fix external interrupts in non-DT case
ARM: at91: at91sam9g10: fix SOC type detection
ARM: at91/tc: fix typo in the DT document
ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
...
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Functions generic_file_splice_read and generic_file_splice_write access
the pagecache directly. For block devices these functions must be locked
so that block size is not changed while they are in progress.
This patch is an additional fix for commit b87570f5d349 ("Fix a crash
when block device is read and block size is changed at the same time")
that locked aio_read, aio_write and mmap against block size change.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use rcu_read_lock_sched / rcu_read_unlock_sched / synchronize_sched
instead of rcu_read_lock / rcu_read_unlock / synchronize_rcu.
This is an optimization. The RCU-protected region is very small, so
there will be no latency problems if we disable preempt in this region.
So we use rcu_read_lock_sched / rcu_read_unlock_sched that translates
to preempt_disable / preempt_disable. It is smaller (and supposedly
faster) than preemptible rcu_read_lock / rcu_read_unlock.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch introduces new barrier pair light_mb() and heavy_mb() for
percpu rw semaphores.
This patch fixes a bug in percpu-rw-semaphores where a barrier was
missing in percpu_up_write.
This patch improves performance on the read path of
percpu-rw-semaphores: on non-x86 cpus, there was a smp_mb() in
percpu_up_read. This patch changes it to a compiler barrier and removes
the "#if defined(X86) ..." condition.
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 92063cee118655d25b50d04eb77b012f3287357a, it
was applied prematurely, causing this build error for
imx_v4_v5_defconfig:
arch/arm/mach-imx/clk-imx25.c: In function 'mx25_clocks_init':
arch/arm/mach-imx/clk-imx25.c:206:26: error: 'pwm_ipg_per' undeclared (first use in this function)
arch/arm/mach-imx/clk-imx25.c:206:26: note: each undeclared identifier is reported only once for each function it appears in
Sascha Hauer explains:
> There are several gates missing in clk-imx25.c. I have a patch which
> adds support for them and I seem to have missed that the above depends
> on it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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With the introduction of CONFIG_ARCH_MULTIPLATFORM, versatile is
no longer the default platform, so we need to enable
CONFIG_ARCH_VERSATILE explicitly in order for that to be selected
rather than the multiplatform configuration.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The split of 370 and XP into two Kconfig options and the multiplatform
kernel support has changed a few Kconfig symbols, so let's update the
mvebu_defconfig file with the latest changes.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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patch 738a0fd7 "ARM: at91: fix external interrupts in non-DT case"
fixed a run-time error on some at91 platforms but did not apply
the same change to at91x40, which now doesn't build.
This changes at91x40 in the same way that the other platforms
were changed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Pull networking fixes from David Miller:
"This is what we usually expect at this stage of the game, lots of
little things, mostly in drivers. With the occasional 'oops didn't
mean to do that' kind of regressions in the core code."
1) Uninitialized data in __ip_vs_get_timeouts(), from Arnd Bergmann
2) Reject invalid ACK sequences in Fast Open sockets, from Jerry Chu.
3) Lost error code on return from _rtl_usb_receive(), from Christian
Lamparter.
4) Fix reset resume on USB rt2x00, from Stanislaw Gruszka.
5) Release resources on error in pch_gbe driver, from Veaceslav Falico.
6) Default hop limit not set correctly in ip6_template_metrics[], fix
from Li RongQing.
7) Gianfar PTP code requests wrong kind of resource during probe, fix
from Wei Yang.
8) Fix VHOST net driver on big-endian, from Michael S Tsirkin.
9) Mallenox driver bug fixes from Jack Morgenstein, Or Gerlitz, Moni
Shoua, Dotan Barak, and Uri Habusha.
10) usbnet leaks memory on TX path, fix from Hemant Kumar.
11) Use socket state test, rather than presence of FIN bit packet, to
determine FIONREAD/SIOCINQ value. Fix from Eric Dumazet.
12) Fix cxgb4 build failure, from Vipul Pandya.
13) Provide a SYN_DATA_ACKED state to complement SYN_FASTOPEN in socket
info dumps. From Yuchung Cheng.
14) Fix leak of security path in kfree_skb_partial(). Fix from Eric
Dumazet.
15) Handle RX FIFO overflows more resiliently in pch_gbe driver, from
Veaceslav Falico.
16) Fix MAINTAINERS file pattern for networking drivers, from Jean
Delvare.
17) Add iPhone5 IDs to IPHETH driver, from Jay Purohit.
18) VLAN device type change restriction is too strict, and should not
trigger for the automatically generated vlan0 device. Fix from Jiri
Pirko.
19) Make PMTU/redirect flushing work properly again in ipv4, from
Steffen Klassert.
20) Fix memory corruptions by using kfree_rcu() in netlink_release().
From Eric Dumazet.
21) More qmi_wwan device IDs, from Bjørn Mork.
22) Fix unintentional change of SNAT/DNAT hooks in generic NAT
infrastructure, from Elison Niven.
23) Fix 3.6.x regression in xt_TEE netfilter module, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (57 commits)
tilegx: fix some issues in the SW TSO support
qmi_wwan/cdc_ether: move Novatel 551 and E362 to qmi_wwan
net: usb: Fix memory leak on Tx data path
net/mlx4_core: Unmap UAR also in the case of error flow
net/mlx4_en: Don't use vlan tag value as an indication for vlan presence
net/mlx4_en: Fix double-release-range in tx-rings
bas_gigaset: fix pre_reset handling
vhost: fix mergeable bufs on BE hosts
gianfar_ptp: use iomem, not ioports resource tree in probe
ipv6: Set default hoplimit as zero.
NET_VENDOR_TI: make available for am33xx as well
pch_gbe: fix error handling in pch_gbe_up()
b43: Fix oops on unload when firmware not found
mwifiex: clean up scan state on error
mwifiex: return -EBUSY if specific scan request cannot be honored
brcmfmac: fix potential NULL dereference
Revert "ath9k_hw: Updated AR9003 tx gain table for 5GHz"
ath9k_htc: Add PID/VID for a Ubiquiti WiFiStation
rt2x00: usb: fix reset resume
rtlwifi: pass rx setup error code to caller
...
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Pull slave-dmaengine fixes from Vinod Koul:
"Three fixes for slave dmanegine.
Two are for typo omissions in sifr dmaengine driver and the last one
is for the imx driver fixing a missing unlock"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: sirf: fix a typo in moving running dma_desc to active queue
dmaengine: sirf: fix a typo in dma_prep_interleaved
dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael J Wysocki:
- Fix for a memory leak in acpi_bind_one() from Jesper Juhl.
- Fix for an error code path memory leak in pm_genpd_attach_cpuidle()
from Jonghwan Choi.
- Fix for smp_processor_id() usage in preemptible code in powernow-k8
from Andreas Herrmann.
- Fix for a suspend-related memory leak in cpufreq stats from Xiaobing
Tu.
- Freezer fix for failure to clear PF_NOFREEZE along with PF_KTHREAD in
flush_old_exec() from Oleg Nesterov.
- acpi_processor_notify() fix from Alan Cox.
* tag 'pm+acpi-for-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: missing break
freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD
Fix memory leak in cpufreq stats.
cpufreq / powernow-k8: Remove usage of smp_processor_id() in preemptible code
PM / Domains: Fix memory leak on error path in pm_genpd_attach_cpuidle
ACPI: Fix memory leak in acpi_bind_one()
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband fixes from Roland Dreier:
"Small batch of fixes for 3.7:
- Fix crash in error path in cxgb4
- Fix build error on 32 bits in mlx4
- Fix SR-IOV bugs in mlx4"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Perform correct resource cleanup if mlx4_QUERY_ADAPTER() fails
mlx4_core: Remove annoying debug messages from SR-IOV flow
RDMA/cxgb4: Don't free chunk that we have failed to allocate
IB/mlx4: Synchronize cleanup of MCGs in MCG paravirtualization
IB/mlx4: Fix QP1 P_Key processing in the Primary Physical Function (PPF)
IB/mlx4: Fix build error on platforms where UL is not 64 bits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a bunch of USB fixes for the 3.7-rc tree.
There's a lot of small USB serial driver fixes, and one larger one
(the mos7840 driver changes are mostly just moving code around to fix
problems.) Thanks to Johan Hovold for finding the problems and fixing
them all up.
Other than those, there is the usual new device ids, xhci bugfixes,
and gadget driver fixes, nothing out of the ordinary.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (49 commits)
xhci: trivial: Remove assigned but unused ep_ctx.
xhci: trivial: Remove assigned but unused slot_ctx.
xhci: Fix missing break in xhci_evaluate_context_result.
xhci: Fix potential NULL ptr deref in command cancellation.
ehci: Add yet-another Lucid nohandoff pci quirk
ehci: fix Lucid nohandoff pci quirk to be more generic with BIOS versions
USB: mos7840: fix port_probe flow
USB: mos7840: fix port-data memory leak
USB: mos7840: remove invalid disconnect handling
USB: mos7840: remove NULL-urb submission
USB: qcserial: fix interface-data memory leak in error path
USB: option: fix interface-data memory leak in error path
USB: ipw: fix interface-data memory leak in error path
USB: mos7840: fix port-device leak in error path
USB: mos7840: fix urb leak at release
USB: sierra: fix port-data memory leak
USB: sierra: fix memory leak in probe error path
USB: sierra: fix memory leak in attach error path
USB: usb-wwan: fix multiple memory leaks in error paths
USB: keyspan: fix NULL-pointer dereferences and memory leaks
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial fix from Greg Kroah-Hartman:
"Here is one patch, a revert of a omap serial driver patch that was
causing problems, for your 3.7-rc tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "serial: omap: fix software flow control"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg Kroah-Hartman:
"Here are some staging driver fixes for your 3.7-rc tree.
Nothing major here, a number of iio driver fixups that were causing
problems, some comedi driver bugfixes, and a bunch of tidspbridge
warning squashing and other regressions fixed from the 3.6 release.
All have been in the linux-next releases for a bit.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (32 commits)
staging: tidspbridge: delete unused mmu functions
staging: tidspbridge: ioremap physical address of the stack segment in shm
staging: tidspbridge: ioremap dsp sync addr
staging: tidspbridge: change type to __iomem for per and core addresses
staging: tidspbridge: drop const from custom mmu implementation
staging: tidspbridge: request the right irq for mmu
staging: ipack: add missing include (implicit declaration of function 'kfree')
staging: ramster: depends on NET
staging: omapdrm: fix allocation size for page addresses array
staging: zram: Fix handling of incompressible pages
Staging: android: binder: Allow using highmem for binder buffers
Staging: android: binder: Fix memory leak on thread/process exit
staging: comedi: ni_labpc: fix possible NULL deref during detach
staging: comedi: das08: fix possible NULL deref during detach
staging: comedi: amplc_pc263: fix possible NULL deref during detach
staging: comedi: amplc_pc236: fix possible NULL deref during detach
staging: comedi: amplc_pc236: fix invalid register access during detach
staging: comedi: amplc_dio200: fix possible NULL deref during detach
staging: comedi: 8255_pci: fix possible NULL deref during detach
staging: comedi: ni_daq_700: fix dio subdevice regression
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg Kroah-Hartman:
"Here are a number of firmware core fixes for 3.7, and some other minor
fixes. And some documentation updates thrown in for good measure.
All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation:Chinese translation of Documentation/arm64/memory.txt
Documentation:Chinese translation of Documentation/arm64/booting.txt
Documentation:Chinese translation of Documentation/IRQ.txt
firmware loader: document kernel direct loading
sysfs: sysfs_pathname/sysfs_add_one: Use strlcat() instead of strcat()
dynamic_debug: Remove unnecessary __used
firmware loader: sync firmware cache by async_synchronize_full_domain
firmware loader: let direct loading back on 'firmware_buf'
firmware loader: fix one reqeust_firmware race
firmware loader: cancel uncache work before caching firmware
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg Kroah-Hartman:
"Here are some driver fixes for 3.7. They include extcon driver fixes,
a hyper-v bugfix, and two other minor driver fixes.
All of these have been in the linux-next releases for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'char-misc-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
sonypi: suspend/resume callbacks should be conditionally compiled on CONFIG_PM_SLEEP
Drivers: hv: Cleanup error handling in vmbus_open()
extcon : register for cable interest by cable name
extcon: trivial: kfree missed from remove path
extcon: driver model release call not needed
extcon: MAX77693: Add platform data for MUIC device to initialize registers
extcon: max77693: Use max77693_update_reg for rmw operations
extcon: Fix kerneldoc for extcon_set_cable_state and extcon_set_cable_state_
extcon: adc-jack: Add missing MODULE_LICENSE
extcon: adc-jack: Fix checking return value of request_any_context_irq
extcon: Fix return value in extcon_register_interest()
extcon: unregister compat link on cleanup
extcon: Unregister compat class at module unload to fix oops
extcon: optimising the check_mutually_exclusive function
extcon: standard cable names definition and declaration changed
extcon-max8997: remove usage of ret in max8997_muic_handle_charger_type_detach
extcon: Remove duplicate inclusion of extcon.h header file
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