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06bd97b79584764d3ff4dbd42d4ca87d2cbe5a46
linux/kernel
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Eric W. Biederman 06bd97b795 signal: Always deliver the kernel's SIGKILL and SIGSTOP to a pid namespace init 
[ Upstream commit 3597dfe01d ]

Instead of playing whack-a-mole and changing SEND_SIG_PRIV to
SEND_SIG_FORCED throughout the kernel to ensure a pid namespace init
gets signals sent by the kernel, stop allowing a pid namespace init to
ignore SIGKILL or SIGSTOP sent by the kernel.  A pid namespace init is
only supposed to be able to ignore signals sent from itself and
children with SIG_DFL.

Fixes: 921cf9f630 ("signals: protect cinit from unblocked SIG_DFL signals")
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-13 11:15:00 -08:00
..
bpf
bpf: fix partial copy of map_ptr when dst is scalar
2018-11-10 07:48:34 -08:00
cgroup
cgroup: Fix dom_cgrp propagation when enabling threaded mode
2018-10-18 09:16:24 +02:00
configs
ANDROID: binder: add hwbinder,vndbinder to BINDER_DEVICES.
2017-08-22 18:43:23 -07:00
debug
kdb: make "mdr" command repeat
2018-05-30 07:52:41 +02:00
events
perf/ring_buffer: Prevent concurent ring buffer access
2018-11-04 14:52:40 +01:00
gcov
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq
genirq: Make force irq threading setup more robust
2018-08-09 12:16:38 +02:00
livepatch
livepatch: Validate module/old func name length
2018-09-09 19:55:58 +02:00
locking
locking/lockdep: Fix debug_locks off performance problem
2018-11-13 11:14:51 -08:00
power
PM / sleep: wakeup: Fix build error caused by missing SRCU support
2018-09-09 19:55:58 +02:00
printk
printk/tracing: Do not trace printk_nmi_enter()
2018-09-09 19:55:57 +02:00
rcu
rcu: Call touch_nmi_watchdog() while printing stall warnings
2018-05-30 07:52:39 +02:00
sched
sched/fair: Fix the min_vruntime update logic in dequeue_entity()
2018-11-13 11:14:50 -08:00
time
posix-timers: Sanitize overrun handling
2018-10-03 17:00:50 -07:00
trace
ring-buffer: Allow for rescheduling when removing pages
2018-09-29 03:06:04 -07:00
.gitignore
certs: add .gitignore to stop git nagging about x509_certificate_list
2015-10-21 15:18:35 +01:00
acct.c
kernel/acct.c: fix the acct->needcheck check in check_free_space()
2018-01-10 09:31:17 +01:00
async.c
kernel/async.c: revert "async: simplify lowest_in_progress()"
2018-02-16 20:23:05 +01:00
audit_fsnotify.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit_tree.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
audit_watch.c
audit: fix use-after-free in audit_add_watch
2018-09-26 08:38:09 +02:00
audit.c
audit: return on memory error to avoid null pointer dereference
2018-05-30 07:52:39 +02:00
audit.h
ipc: mqueue: Replace timespec with timespec64
2017-09-03 20:21:24 -04:00
auditfilter.c
audit: allow not equal op for audit by executable
2018-08-03 07:50:39 +02:00
auditsc.c
audit: fix potential null dereference 'context->module.name'
2018-08-06 16:20:49 +02:00
backtracetest.c
kernel/backtracetest.c: replace no level printk by pr_info()
2014-06-04 16:54:14 -07:00
bounds.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
capability.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat.c
compat: fix 4-byte infoleak via uninitialized struct field
2018-05-16 10:10:26 +02:00
configs.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
context_tracking.c
context_tracking: Switch to new static_branch API
2015-11-24 09:56:43 +01:00
cpu_pm.c
PM / CPU: replace raw_notifier with atomic_notifier
2017-07-31 13:09:49 +02:00
cpu.c
x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation
2018-11-13 11:14:47 -08:00
crash_core.c
kdump: write correct address of mem_section into vmcoreinfo
2018-01-17 09:45:27 +01:00
crash_dump.c
crash_dump: Make is_kdump_kernel() accessible from modules
2014-08-25 15:42:19 -07:00
cred.c
doc: ReSTify credentials.txt
2017-05-18 10:30:19 -06:00
delayacct.c
delayacct: Use raw_spinlocks
2018-08-03 07:50:38 +02:00
dma.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
elfcore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
exec_domain.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
exit.c
kernel/exit.c: export abort() to modules
2018-02-13 10:19:49 +01:00
extable.c
extable: Enable RCU if it is not watching in kernel_text_address()
2017-09-23 16:50:20 -04:00
fork.c
fork: don't copy inconsistent signal handler state to child
2018-09-15 09:45:27 +02:00
freezer.c
freezer, oom: check TIF_MEMDIE on the correct task
2016-07-28 16:07:41 -07:00
futex_compat.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
futex.c
futex: Fix OWNER_DEAD fixup
2018-02-03 17:38:47 +01:00
groups.c
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-20 10:10:18 +01:00
hung_task.c
kernel/hung_task.c: show all hung tasks before panic
2018-08-03 07:50:23 +02:00
irq_work.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
jump_label.c
jump_label: Invoke jump_label_test() via early_initcall()
2017-12-14 09:53:13 +01:00
kallsyms.c
kernel/kallsyms.c: replace all_var with IS_ENABLED(CONFIG_KALLSYMS_ALL)
2017-07-10 16:32:34 -07:00
kcmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES
2016-10-25 11:31:51 +02:00
Kconfig.preempt
…
kcov.c
kcov: ensure irq code sees a valid area
2018-08-03 07:50:22 +02:00
kexec_core.c
x86/mm, kexec: Allow kexec to be used with SME
2017-07-18 11:38:04 +02:00
kexec_file.c
kexec_file: adjust declaration of kexec_purgatory
2017-07-12 16:26:02 -07:00
kexec_internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kexec.c
kdump: protect vmcoreinfo data under the crash memory
2017-07-12 16:26:00 -07:00
kmod.c
kmod: move #ifdef CONFIG_MODULES wrapper to Makefile
2017-09-08 18:26:51 -07:00
kprobes.c
kprobes: Return error if we fail to reuse kprobe instead of BUG_ON()
2018-11-13 11:14:55 -08:00
ksysfs.c
kexec: move vmcoreinfo out of the kernel's .bss section
2017-07-12 16:25:59 -07:00
kthread.c
kthread, tracing: Don't expose half-written comm when creating kthreads
2018-08-03 07:50:21 +02:00
latencytop.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
memremap.c
mm: disallow mappings that conflict for devm_memremap_pages()
2018-10-20 09:48:53 +02:00
module_signing.c
KEYS: Move the point of trust determination to __key_link()
2016-04-11 22:43:43 +01:00
module-internal.h
…
module.c
module: exclude SHN_UNDEF symbols from kallsyms api
2018-10-03 17:00:53 -07:00
notifier.c
kernel/notifier.c: simplify expression
2017-02-24 17:46:56 -08:00
nsproxy.c
perf: Add PERF_RECORD_NAMESPACES to include namespaces related info
2017-03-13 15:57:41 -03:00
padata.c
padata: Avoid nested calls to cpus_read_lock() in pcrypt_init_padata()
2017-05-26 10:10:37 +02:00
panic.c
locking/refcounts, x86/asm: Implement fast refcount overflow protection
2017-08-17 10:40:26 +02:00
params.c
kernel/params.c: improve STANDARD_PARAM_DEF readability
2017-10-03 17:54:26 -07:00
pid_namespace.c
userns,pidns: Verify the userns for new pid namespaces
2017-07-20 07:43:58 -05:00
pid.c
pids: make task_tgid_nr_ns() safe
2017-08-21 12:47:31 -07:00
profile.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
ptrace.c
signal: Remove kernel interal si_code magic
2017-07-24 14:30:28 -05:00
range.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reboot.c
kexec: split kexec_load syscall from kexec core code
2015-09-10 13:29:01 -07:00
relay.c
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
2018-05-30 07:52:00 +02:00
resource.c
resource: fix integer overflow at reallocation
2018-04-24 09:36:22 +02:00
seccomp.c
seccomp: Move speculation migitation control to arch code
2018-05-22 18:54:04 +02:00
signal.c
signal: Always deliver the kernel's SIGKILL and SIGSTOP to a pid namespace init
2018-11-13 11:15:00 -08:00
smp.c
cpu/hotplug: Fix SMT supported evaluation
2018-08-15 18:13:00 +02:00
smpboot.c
watchdog/core, powerpc: Lock cpus across reconfiguration
2017-10-04 10:53:54 +02:00
smpboot.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
softirq.c
Mark HI and TASKLET softirq synchronous
2018-08-15 18:12:47 +02:00
stacktrace.c
stacktrace/x86: add function for detecting reliable stack traces
2017-03-08 09:18:02 +01:00
stop_machine.c
stop_machine: Atomically queue and wake stopper threads
2018-09-05 09:26:36 +02:00
sys_ni.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sys.c
sys: don't hold uts_sem while accessing userspace memory
2018-09-09 19:56:00 +02:00
sysctl_binary.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysctl.c
kmemcheck: rip it out
2018-02-22 15:42:24 +01:00
task_work.c
locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
2017-12-25 14:26:21 +01:00
taskstats.c
taskstats: add e/u/stime for TGID command
2017-05-08 17:15:12 -07:00
test_kprobes.c
kernel/test_kprobes.c: use current logging functions
2014-08-08 15:57:18 -07:00
torture.c
torture: Fix typo suppressing CPU-hotplug statistics
2017-07-25 13:04:45 -07:00
tracepoint.c
tracepoint: Do not warn on ENOMEM
2018-05-09 09:51:50 +02:00
tsacct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
ucount.c
ucount: Remove the atomicity from ucount->count
2017-03-06 15:26:37 -06:00
uid16.c
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-20 10:10:18 +01:00
umh.c
kmod: split out umh code into its own file
2017-09-08 18:26:50 -07:00
up.c
smp: Avoid using two cache lines for struct call_single_data
2017-08-29 15:14:38 +02:00
user_namespace.c
userns: move user access out of the mutex
2018-09-09 19:56:00 +02:00
user-return-notifier.c
scheduler: Replace __get_cpu_var with this_cpu_ptr
2014-08-26 13:45:45 -04:00
user.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>
2017-03-02 08:42:29 +01:00
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-09-09 19:56:00 +02:00
utsname.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
watchdog_hld.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00
watchdog.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00
workqueue_internal.h
Merge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2017-11-06 12:26:49 -08:00
workqueue.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00