Mateusz Guzik cd81a9170e mm: introduce get_task_exe_file ...

For more convenient access if one has a pointer to the task.

As a minor nit take advantage of the fact that only task lock + rcu are
needed to safely grab ->exe_file. This saves mm refcount dance.

Use the helper in proc_exe_link.

Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Cc: <stable@vger.kernel.org> # 4.3.x
Signed-off-by: Paul Moore <paul@paul-moore.com>

2016-08-31 16:11:20 -04:00

..

bpf

bpf: fix check_map_func_compatibility logic

2016-04-28 17:29:45 -04:00

configs

…

debug

mm/init: Add 'rodata=off' boot cmdline parameter to disable read-only kernel mappings

2016-02-22 08:51:37 +01:00

events

perf/core: Disable the event on a truncated AUX record

2016-05-12 14:46:11 +02:00

gcov

gcov: use within_module() helper.

2015-12-04 22:46:25 +01:00

irq

genirq: Dont allow affinity mask to be updated on IPIs

2016-04-21 12:05:15 +02:00

livepatch

livepatch/module: remove livepatch module notifier

2016-03-17 09:45:10 +01:00

locking

lockdep: Fix lock_chain::base size

2016-04-23 13:53:03 +02:00

power

Merge tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2016-03-24 22:59:58 -07:00

printk

printk: add clear_idx symbol to vmcoreinfo

2016-03-17 15:09:34 -07:00

rcu

kernel: add kcov code coverage

2016-03-22 15:36:02 -07:00

sched

Revert "sched/fair: Fix fairness issue on migration"

2016-05-11 08:25:53 +02:00

time

timers/nohz: Convert tick dependency mask to atomic_t

2016-03-29 11:52:11 +02:00

trace

tracing: Don't display trigger file for events that can't be enabled

2016-05-03 12:59:30 -04:00

.gitignore

…

acct.c

…

async.c

async: export current_is_async()

2015-11-19 17:51:48 +01:00

audit_fsnotify.c

wrappers for ->i_mutex access

2016-01-22 18:04:28 -05:00

audit_tree.c

…

audit_watch.c

Merge branch 'stable-4.6' of git://git.infradead.org/users/pcmoore/audit

2016-03-19 17:52:49 -07:00

audit.c

audit: add fields to exclude filter by reusing user filter

2016-06-27 11:01:00 -04:00

audit.h

audit: add fields to exclude filter by reusing user filter

2016-06-27 11:01:00 -04:00

auditfilter.c

audit: add fields to exclude filter by reusing user filter

2016-06-27 11:01:00 -04:00

auditsc.c

audit: fix a double fetch in audit_log_single_execve_arg()

2016-07-20 14:15:46 -04:00

backtracetest.c

…

bounds.c

…

capability.c

…

cgroup_freezer.c

cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends

2015-12-03 10:24:08 -05:00

cgroup_pids.c

cgroup_pids: fix a typo.

2015-12-14 14:54:37 -05:00

cgroup.c

cgroup: fix compile warning

2016-05-12 11:05:27 -04:00

compat.c

…

configs.c

…

context_tracking.c

context_tracking: Switch to new static_branch API

2015-11-24 09:56:43 +01:00

cpu_pm.c

…

cpu.c

cpu/hotplug: Fix rollback during error-out in __cpu_disable()

2016-04-22 09:49:49 +02:00

cpuset.c

cgroup, cpuset: replace cpuset_post_attach_flush() with cgroup_subsys->post_attach callback

2016-04-25 15:45:14 -04:00

crash_dump.c

…

cred.c

kmemcg: account certain kmem allocations to memcg

2016-01-14 16:00:49 -08:00

delayacct.c

kmemcg: account certain kmem allocations to memcg

2016-01-14 16:00:49 -08:00

dma.c

…

elfcore.c

…

exec_domain.c

…

exit.c

oom: clear TIF_MEMDIE after oom_reaper managed to unmap the address space

2016-03-25 16:37:42 -07:00

extable.c

…

fork.c

mm: introduce get_task_exe_file

2016-08-31 16:11:20 -04:00

freezer.c

…

futex_compat.c

ptrace: use fsuid, fsgid, effective creds for fs access checks

2016-01-20 17:09:18 -08:00

futex.c

futex: Acknowledge a new waiter in counter before plist

2016-04-21 11:06:09 +02:00

groups.c

…

hung_task.c

kernel/hung_task.c: use timeout diff when timeout is updated

2016-03-22 15:36:02 -07:00

irq_work.c

treewide: Remove old email address

2015-11-23 09:44:58 +01:00

jump_label.c

treewide: Remove old email address

2015-11-23 09:44:58 +01:00

kallsyms.c

kallsyms: add support for relative offsets in kallsyms address table

2016-03-15 16:55:16 -07:00

kcmp.c

ptrace: use fsuid, fsgid, effective creds for fs access checks

2016-01-20 17:09:18 -08:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

…

Kconfig.preempt

…

kcov.c

kcov: don't profile branches in kcov

2016-04-28 19:34:04 -07:00

kexec_core.c

kexec: export OFFSET(page.compound_head) to find out compound tail page

2016-04-28 19:34:04 -07:00

kexec_file.c

Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

2016-03-17 11:33:45 -07:00

kexec_internal.h

kexec: move some memembers and definitions within the scope of CONFIG_KEXEC_FILE

2016-01-20 17:09:18 -08:00

kexec.c

kexec: set KEXEC_TYPE_CRASH before sanity_check_segment_list()

2016-01-20 17:09:18 -08:00

kmod.c

…

kprobes.c

…

ksysfs.c

rcu: Remove TINY_RCU bloat from pointless boot parameters

2015-12-07 16:59:37 -08:00

kthread.c

…

latencytop.c

sched/debug: Make schedstats a runtime tunable that is disabled by default

2016-02-09 11:54:23 +01:00

Makefile

kernel: add kcov code coverage

2016-03-22 15:36:02 -07:00

membarrier.c

…

memremap.c

memremap: add MEMREMAP_WC flag

2016-03-22 15:36:02 -07:00

module_signing.c

X.509: Make algo identifiers text instead of enum

2016-03-03 21:49:27 +00:00

module-internal.h

…

module.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching

2016-03-17 21:46:32 -07:00

notifier.c

…

nsproxy.c

cgroup: introduce cgroup namespaces

2016-02-16 13:04:58 -05:00

padata.c

…

panic.c

panic: change nmi_panic from macro to function

2016-03-22 15:36:02 -07:00

params.c

Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

2015-11-09 15:53:39 -08:00

pid_namespace.c

…

pid.c

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-01-31 15:44:04 -08:00

profile.c

profile: hide unused functions when !CONFIG_PROC_FS

2016-03-22 15:36:02 -07:00

ptrace.c

ptrace: change __ptrace_unlink() to clear ->ptrace under ->siglock

2016-03-22 15:36:02 -07:00

range.c

…

reboot.c

…

relay.c

wrappers for ->i_mutex access

2016-01-22 18:04:28 -05:00

resource.c

/proc/iomem: only expose physical resource addresses to privileged users

2016-04-14 12:56:09 -07:00

seccomp.c

seccomp: check in_compat_syscall, not is_compat_task, in strict mode

2016-03-22 15:36:02 -07:00

signal.c

kernel/signal.c: add compile-time check for __ARCH_SI_PREAMBLE_SIZE

2016-03-22 15:36:02 -07:00

smp.c

Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-03-15 13:50:29 -07:00

smpboot.c

cpu/hotplug: Unpark smpboot threads from the state machine

2016-03-01 20:36:56 +01:00

smpboot.h

cpu/hotplug: Create hotplug threads

2016-03-01 20:36:56 +01:00

softirq.c

arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections

2016-03-25 16:37:42 -07:00

stacktrace.c

…

stop_machine.c

kernel/stop_machine.c: remove CONFIG_SMP dependencies

2016-01-16 11:17:24 -08:00

sys_ni.c

vfs: add copy_file_range syscall and vfs helper

2015-12-01 14:00:53 -05:00

sys.c

timer: convert timer_slack_ns from unsigned long to u64

2016-03-17 15:09:34 -07:00

sysctl_binary.c

fs/coredump: prevent fsuid=0 dumps into user-controlled directories

2016-03-22 15:36:02 -07:00

sysctl.c

mm: scale kswapd watermarks in proportion to memory

2016-03-17 15:09:34 -07:00

task_work.c

…

taskstats.c

…

test_kprobes.c

…

torture.c

…

tracepoint.c

kernel/...: convert pr_warning to pr_warn

2016-03-22 15:36:02 -07:00

tsacct.c

time, acct: Drop irq save & restore from __acct_update_integrals()

2016-02-29 09:53:09 +01:00

uid16.c

…

up.c

…

user_namespace.c

kernel/*: switch to memdup_user_nul()

2016-01-04 10:27:55 -05:00

user-return-notifier.c

…

user.c

…

utsname_sysctl.c

…

utsname.c

…

watchdog.c

watchdog: don't run proc_watchdog_update if new value is same as old

2016-03-17 15:09:34 -07:00

workqueue_internal.h

sched/core: Get rid of 'cpu' argument in wq_worker_sleeping()

2016-03-02 10:28:47 -05:00

workqueue.c

Merge branch 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2016-05-13 16:16:51 -07:00