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Sukadev Bhattiprolu 09bca05c90 SEND_SIG_NOINFO: masquerade si_pid when crossing pid-ns boundary 
For SEND_SIG_NOINFO, si_pid is currently set to the pid of sender
in sender's active pid namespace. But if the receiver is in a
Eg: when parent sends the 'pdeath_signal' to a child that is in
a descendant pid namespace, we should set si_pid 0.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-By: Roland McGrath <roland@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-06 15:59:28 -08:00
..
irq
Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-03 12:04:39 -08:00
power
cpumask: convert rest of files in kernel/
2009-01-01 10:12:28 +10:30
time
Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-03 12:04:39 -08:00
trace
Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-02 11:44:09 -08:00
.gitignore
…
acct.c
CRED: Wrap task credential accesses in the core kernel
2008-11-14 10:39:12 +11:00
audit_tree.c
audit: validate comparison operations, store them in sane form
2009-01-04 15:14:42 -05:00
audit.c
[PATCH] fix broken timestamps in AVC generated by kernel threads
2008-12-09 02:27:41 -05:00
audit.h
fixing audit rule ordering mess, part 1
2009-01-04 15:14:41 -05:00
auditfilter.c
audit: validate comparison operations, store them in sane form
2009-01-04 15:14:42 -05:00
auditsc.c
make sure that filterkey of task,always rules is reported
2009-01-04 15:14:42 -05:00
backtracetest.c
…
bounds.c
…
capability.c
sanitize audit_log_capset()
2009-01-04 15:14:41 -05:00
cgroup_debug.c
…
cgroup_freezer.c
freezer_cg: disable writing freezer.state of root cgroup
2008-11-12 17:17:16 -08:00
cgroup.c
mm: remove cgroup_mm_owner_callbacks
2009-01-06 15:59:01 -08:00
compat.c
Allow times and time system calls to return small negative values
2009-01-06 15:59:13 -08:00
configs.c
…
cpu.c
stop_machine: introduce stop_machine_create/destroy.
2009-01-05 08:40:14 +10:30
cpuset.c
oom: print triggering task's cpuset and mems allowed
2009-01-06 15:58:59 -08:00
cred-internals.h
CRED: Inaugurate COW credentials
2008-11-14 10:39:23 +11:00
cred.c
User namespaces: set of cleanups (v2)
2008-11-24 18:57:41 -05:00
delayacct.c
schedstat: consolidate per-task cpu runtime stats
2008-12-18 13:54:01 +01:00
dma-coherent.c
…
dma.c
…
exec_domain.c
…
exit.c
mm: introduce get_mm_hiwater_xxx(), fix taskstats->hiwater_xxx accounting
2009-01-06 15:59:09 -08:00
extable.c
Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-30 16:10:19 -08:00
fork.c
fork.c: cleanup for copy_sighand()
2009-01-06 15:59:11 -08:00
freezer.c
…
futex_compat.c
CRED: Use RCU to access another task's creds and to release a task's own creds
2008-11-14 10:39:19 +11:00
futex.c
Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-30 16:10:19 -08:00
hrtimer.c
Merge branch 'irq-fixes-for-linus-4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-31 09:00:59 -08:00
itimer.c
…
kallsyms.c
allow stripping of generated symbols under CONFIG_KALLSYMS_ALL
2008-12-19 22:47:10 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.preempt
rcu: provide RCU options on non-preempt architectures too
2008-12-25 09:31:28 +01:00
kexec.c
cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: core
2009-01-01 10:12:15 +10:30
kfifo.c
…
kgdb.c
…
kmod.c
kmod: fix varargs kernel-doc
2009-01-06 15:59:27 -08:00
kprobes.c
kprobes: support probing module __init function
2009-01-06 15:59:21 -08:00
ksysfs.c
…
kthread.c
tracepoints: add DECLARE_TRACE() and DEFINE_TRACE()
2008-11-16 09:01:36 +01:00
latencytop.c
KSYM_SYMBOL_LEN fixes
2008-12-10 08:01:54 -08:00
lockdep_internals.h
…
lockdep_proc.c
…
lockdep.c
Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-30 16:10:19 -08:00
Makefile
Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-30 16:10:19 -08:00
marker.c
markers/tracpoints: fix non-modular build
2008-11-16 09:52:03 +01:00
module.c
module: add MODULE_STATE_LIVE notify
2009-01-06 15:59:21 -08:00
mutex-debug.c
…
mutex-debug.h
…
mutex.c
mutex: __used is needed for function referenced only from inline asm
2008-11-24 10:00:28 +01:00
mutex.h
…
notifier.c
Merge commit 'v2.6.28-rc6' into core/debug
2008-11-26 08:22:50 +01:00
ns_cgroup.c
…
nsproxy.c
User namespaces: set of cleanups (v2)
2008-11-24 18:57:41 -05:00
panic.c
oops: increment the oops UUID every time we oops
2009-01-06 15:59:12 -08:00
params.c
…
pid_namespace.c
…
pid.c
…
pm_qos_params.c
…
posix-cpu-timers.c
Merge commit 'v2.6.28' into core/core
2008-12-25 13:51:46 +01:00
posix-timers.c
Merge branches 'timers/clocksource', 'timers/hpet', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/rtc' into timers/core
2008-12-25 18:02:25 +01:00
printk.c
printk: fix discarding message when recursion_bug
2008-12-19 22:52:47 +01:00
profile.c
profile: don't include <asm/ptrace.h> twice.
2009-01-06 15:59:14 -08:00
ptrace.c
Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-28 12:21:10 -08:00
rcuclassic.c
cpumask: convert RCU implementations, fix
2009-01-03 18:59:25 +01:00
rcupdate.c
…
rcupreempt_trace.c
"Tree RCU": scalable classic RCU implementation
2008-12-18 21:56:04 +01:00
rcupreempt.c
cpumask: convert RCU implementations
2009-01-01 10:12:26 +10:30
rcutorture.c
cpumask: convert RCU implementations
2009-01-01 10:12:26 +10:30
rcutree_trace.c
"Tree RCU": scalable classic RCU implementation
2008-12-18 21:56:04 +01:00
rcutree.c
"Tree RCU": scalable classic RCU implementation
2008-12-18 21:56:04 +01:00
relay.c
relayfs: fix infinite loop with splice()
2008-12-10 08:01:52 -08:00
res_counter.c
…
resource.c
resources: skip sanity check of busy resources
2008-12-16 23:30:49 +01:00
rtmutex_common.h
…
rtmutex-debug.c
…
rtmutex-debug.h
…
rtmutex-tester.c
…
rtmutex.c
…
rtmutex.h
…
rwsem.c
…
sched_clock.c
Revert "sched_clock: prevent scd->clock from moving backwards"
2008-12-14 16:23:17 -08:00
sched_cpupri.c
sched: convert struct cpupri_vec cpumask_var_t.
2008-11-24 17:52:22 +01:00
sched_cpupri.h
sched: convert struct cpupri_vec cpumask_var_t.
2008-11-24 17:52:22 +01:00
sched_debug.c
sched: add uid information to sched_debug for CONFIG_USER_SCHED
2008-12-01 20:39:50 +01:00
sched_fair.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
2009-01-03 18:53:31 +01:00
sched_features.h
…
sched_idletask.c
…
sched_rt.c
sched: put back some stack hog changes that were undone in kernel/sched.c
2009-01-03 19:00:09 +01:00
sched_stats.h
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
2009-01-03 18:53:31 +01:00
sched.c
Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-03 12:04:39 -08:00
seccomp.c
…
semaphore.c
…
signal.c
SEND_SIG_NOINFO: masquerade si_pid when crossing pid-ns boundary
2009-01-06 15:59:28 -08:00
smp.c
cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: core
2009-01-01 10:12:15 +10:30
softirq.c
Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-03 12:04:39 -08:00
softlockup.c
cpumask: convert rest of files in kernel/
2009-01-01 10:12:28 +10:30
spinlock.c
…
srcu.c
…
stacktrace.c
stacktrace: provide save_stack_trace_tsk() weak alias
2008-12-25 11:44:43 +01:00
stop_machine.c
stop_machine: introduce stop_machine_create/destroy.
2009-01-05 08:40:14 +10:30
sys_ni.c
reintroduce accept4
2008-11-19 18:49:57 -08:00
sys.c
Allow times and time system calls to return small negative values
2009-01-06 15:59:13 -08:00
sysctl_check.c
…
sysctl.c
mm: add dirty_background_bytes and dirty_bytes sysctls
2009-01-06 15:59:03 -08:00
taskstats.c
cpumask: convert rest of files in kernel/
2009-01-01 10:12:28 +10:30
test_kprobes.c
kprobes: add tests for register_kprobes
2009-01-06 15:59:20 -08:00
time.c
Allow times and time system calls to return small negative values
2009-01-06 15:59:13 -08:00
timeconst.pl
…
timer.c
[PATCH] idle cputime accounting
2008-12-31 15:11:46 +01:00
tracepoint.c
markers/tracpoints: fix non-modular build
2008-11-16 09:52:03 +01:00
tsacct.c
mm: introduce get_mm_hiwater_xxx(), fix taskstats->hiwater_xxx accounting
2009-01-06 15:59:09 -08:00
uid16.c
CRED: Wrap current->cred and a few other accessors
2008-11-14 10:39:18 +11:00
user_namespace.c
User namespaces: set of cleanups (v2)
2008-11-24 18:57:41 -05:00
user.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-12-28 12:27:58 -08:00
utsname_sysctl.c
…
utsname.c
…
wait.c
…
workqueue.c
cpumask: convert kernel/workqueue.c
2009-01-01 10:12:25 +10:30