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22cd7b0a54
linux/kernel
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Tejun Heo 55b2e929a3 cgroup: Fix css_task_iter_advance_css_set() cset skip condition 
commit c596687a008b579c503afb7a64fcacc7270fae9e upstream.

While adding handling for dying task group leaders c03cd7738a83
("cgroup: Include dying leaders with live threads in PROCS
iterations") added an inverted cset skip condition to
css_task_iter_advance_css_set().  It should skip cset if it's
completely empty but was incorrectly testing for the inverse condition
for the dying_tasks list.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: c03cd7738a83 ("cgroup: Include dying leaders with live threads in PROCS iterations")
Reported-by: syzbot+d4bba5ccd4f9a2a68681@syzkaller.appspotmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-09 17:53:37 +02:00
..
bpf
bpf: silence warning messages in core
2019-07-31 07:28:25 +02:00
cgroup
cgroup: Fix css_task_iter_advance_css_set() cset skip condition
2019-08-09 17:53:37 +02:00
configs
ANDROID: binder: add hwbinder,vndbinder to BINDER_DEVICES.
2017-08-22 18:43:23 -07:00
debug
kdb: Don't back trace on a cpu that didn't round up
2019-02-12 19:46:09 +01:00
events
perf/core: Fix perf_sample_regs_user() mm check
2019-07-21 09:04:38 +02:00
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: Prevent use-after-free and work list corruption
2019-05-10 17:53:13 +02:00
livepatch
module: Fix livepatch/ftrace module text permissions race
2019-07-10 09:54:37 +02:00
locking
locking/lockdep: Hide unused 'class' variable
2019-07-31 07:28:56 +02:00
power
x86/power: Fix 'nosmt' vs hibernation triple fault during resume
2019-06-11 12:21:48 +02:00
printk
printk: Wake klogd when passing console_lock owner
2018-12-17 09:28:55 +01:00
rcu
rcuperf: Fix cleanup path for invalid perf_type strings
2019-05-31 06:47:33 -07:00
sched
sched/fair: Don't free p->numa_faults with concurrent readers
2019-08-04 09:32:03 +02:00
time
timer_list: Guard procfs specific code
2019-07-31 07:28:28 +02:00
trace
ftrace: Enable trampoline when rec count returns back to one
2019-08-06 19:05:20 +02:00
.gitignore
…
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: fix a memory leak bug
2019-05-31 06:47:25 -07:00
auditsc.c
audit: fix potential null dereference 'context->module.name'
2018-08-06 16:20:49 +02:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-11-13 11:15:08 -08:00
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
…
context_tracking.c
…
cpu_pm.c
PM / CPU: replace raw_notifier with atomic_notifier
2017-07-31 13:09:49 +02:00
cpu.c
cpu/hotplug: Fix out-of-bounds read when setting fail state
2019-07-21 09:04:40 +02:00
crash_core.c
kdump: write correct address of mem_section into vmcoreinfo
2018-01-17 09:45:27 +01:00
crash_dump.c
…
cred.c
access: avoid the RCU grace period for the temporary subjective credentials
2019-07-31 07:28:58 +02:00
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
cgroup: Call cgroup_release() before __exit_signal()
2019-08-09 17:53:36 +02:00
extable.c
extable: Enable RCU if it is not watching in kernel_text_address()
2017-09-23 16:50:20 -04:00
fork.c
sched/fair: Don't free p->numa_faults with concurrent readers
2019-08-04 09:32:03 +02:00
freezer.c
…
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
locking/futex: Allow low-level atomic operations to return -EAGAIN
2019-05-10 17:53:15 +02:00
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: disable on suspend
2019-04-20 09:15:05 +02:00
irq_work.c
…
jump_label.c
sched/core: Fix cpu.max vs. cpuhotplug deadlock
2018-12-05 19:41:17 +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
…
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: Fix error check when reusing optimized probes
2019-04-27 09:35:38 +02:00
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
…
Makefile
x86/uaccess, kcov: Disable stack protector
2019-06-19 08:20:56 +02:00
memremap.c
mm, devm_memremap_pages: kill mapping "System RAM" support
2019-01-13 10:01:02 +01:00
module_signing.c
…
module-internal.h
…
module.c
kernel/module.c: Only return -EEXIST for modules that have finished loading
2019-08-06 19:05:20 +02:00
notifier.c
…
nsproxy.c
…
padata.c
padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
2019-07-31 07:28:39 +02:00
panic.c
panic: avoid deadlocks in re-entrant console drivers
2018-12-29 13:39:10 +01:00
params.c
kernel/params.c: improve STANDARD_PARAM_DEF readability
2017-10-03 17:54:26 -07:00
pid_namespace.c
signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
2019-07-31 07:28:21 +02:00
pid.c
pids: make task_tgid_nr_ns() safe
2017-08-21 12:47:31 -07:00
profile.c
…
ptrace.c
ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME
2019-07-10 09:54:38 +02:00
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
…
relay.c
relay: check return of create_buf_file() properly
2019-03-13 14:03:20 -07:00
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
kernel/signal.c: trace_signal_deliver when signal_group_exit
2019-06-09 09:18:17 +02:00
smp.c
cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
2019-02-12 19:46:13 +01:00
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
…
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
kernel/sys.c: prctl: fix false positive in validate_prctl_map()
2019-06-15 11:54:52 +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
sysctl: return -EINVAL if val violates minmax
2019-06-15 11:54:51 +02:00
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
…
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
…
ucount.c
…
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
…
user.c
…
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-09-09 19:56:00 +02:00
utsname.c
…
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