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Paul E. McKenney a9d6938ddb locktorture: NULL cxt.lwsa and cxt.lrsa to allow bad-arg detection 
Currently, lock_torture_cleanup() uses the values of cxt.lwsa and cxt.lrsa
to detect bad parameters that prevented locktorture from initializing,
let alone running.  In this case, lock_torture_cleanup() does no cleanup
aside from invoking torture_cleanup_begin() and torture_cleanup_end(),
as required to permit future torture tests to run.  However, this
heuristic fails if the run with bad parameters was preceded by a previous
run that actually ran:  In this case, both cxt.lwsa and cxt.lrsa will
remain non-zero, which means that the current lock_torture_cleanup()
invocation will be unable to detect the fact that it should skip cleanup,
which can result in charming outcomes such as double frees.

This commit therefore NULLs out both cxt.lwsa and cxt.lrsa at the end
of any run that actually ran.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Josh Triplett <josh@joshtriplett.org>
2019-03-26 14:42:53 -07:00
..
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-03-11 08:54:01 -07:00
cgroup Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 14:08:19 -07:00
configs kvm_config: add CONFIG_VIRTIO_MENU 2018-10-24 20:55:56 -04:00
debug kdb: use bool for binary state indicators 2018-12-30 08:31:52 +00:00
dma memblock: drop memblock_alloc_*_nopanic() variants 2019-03-12 10:04:02 -07:00
events The biggest change for this release is in the histogram code. 2019-03-11 17:01:32 -07:00
gcov kernel/gcov/gcc_3_4.c: use struct_size() in kzalloc() 2019-03-07 18:32:02 -08:00
irq This is the bulk of GPIO changes for the v5.1 cycle: 2019-03-08 10:09:53 -08:00
livepatch Merge branch 'for-5.1/atomic-replace' into for-linus 2019-03-05 15:56:59 +01:00
locking locktorture: NULL cxt.lwsa and cxt.lrsa to allow bad-arg detection 2019-03-26 14:42:53 -07:00
power treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
printk fbdev changes for v5.1: 2019-03-15 14:22:59 -07:00
rcu rcuperf: Fix cleanup path for invalid perf_type strings 2019-03-26 14:42:53 -07:00
sched Merge branch 'akpm' (patches from Andrew) 2019-03-06 10:31:36 -08:00
time Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-05 14:49:11 -08:00
trace for-5.1/block-post-20190315 2019-03-16 12:36:39 -07:00
.gitignore kernel/configs: use .incbin directive to embed config_data.gz 2019-03-07 18:32:02 -08:00
acct.c
async.c async: Add support for queueing on specific NUMA node 2019-01-31 14:20:54 +01:00
audit_fsnotify.c audit: add syscall information to CONFIG_CHANGE records 2019-01-18 17:53:29 -05:00
audit_tree.c audit: hand taken context to audit_kill_trees for syscall logging 2019-01-14 18:01:05 -05:00
audit_watch.c audit: add syscall information to CONFIG_CHANGE records 2019-01-18 17:53:29 -05:00
audit.c audit: remove audit_context when CONFIG_ AUDIT and not AUDITSYSCALL 2019-02-03 17:49:35 -05:00
audit.h audit: hide auditsc_get_stamp and audit_serial prototypes 2019-02-07 21:44:27 -05:00
auditfilter.c audit: mark expected switch fall-through 2019-02-12 20:17:13 -05:00
auditsc.c audit: remove audit_context when CONFIG_ AUDIT and not AUDITSYSCALL 2019-02-03 17:49:35 -05:00
backtracetest.c
bounds.c kbuild: fix kernel/bounds.c 'W=1' warning 2018-10-31 08:54:14 -07:00
capability.c LSM: add SafeSetID module that gates setid calls 2019-01-25 11:22:43 -08:00
compat.c time: make adjtime compat handling available for 32 bit 2019-02-07 00:13:27 +01:00
configs.c kernel/configs: use .incbin directive to embed config_data.gz 2019-03-07 18:32:02 -08:00
context_tracking.c
cpu_pm.c
cpu.c Linux 5.0-rc5 2019-02-04 08:57:24 +01:00
crash_core.c kexec: export PG_offline to VMCOREINFO 2019-03-05 21:07:14 -08:00
crash_dump.c
cred.c SELinux: Remove cred security blob poisoning 2019-01-08 13:18:44 -08:00
delayacct.c delayacct: track delays from thrashing cache pages 2018-10-26 16:26:32 -07:00
dma.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
elfcore.c
exec_domain.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
exit.c Merge branch 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2019-03-07 10:11:41 -08:00
extable.c
fail_function.c kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive 2018-10-31 08:54:12 -07:00
fork.c 5.1 Merge Window Pull Request 2019-03-09 15:53:03 -08:00
freezer.c PM / reboot: Eliminate race between reboot and suspend 2018-08-06 12:35:20 +02:00
futex.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-06 07:17:17 -08:00
groups.c
hung_task.c kernel/hung_task.c: Use continuously blocked time when reporting. 2019-03-07 18:31:59 -08:00
iomem.c memremap: split devm_memremap_pages() and memremap() infrastructure 2018-05-15 23:08:33 -07:00
irq_work.c
jump_label.c jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
kallsyms.c bpf: Add module name [bpf] to ksymbols for bpf programs 2019-01-21 17:38:56 -03:00
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks bpf: introduce bpf_spin_lock 2019-02-01 20:55:38 +01:00
Kconfig.preempt kconfig: warn no new line at end of file 2018-12-15 17:44:35 +09:00
kcov.c kcov: convert kcov.refcount to refcount_t 2019-03-07 18:32:02 -08:00
kexec_core.c mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
kexec_file.c kexec_file: kexec_walk_memblock() only walks a dedicated region at kdump 2018-12-06 14:38:50 +00:00
kexec_internal.h
kexec.c kexec: add call to LSM hook in original kexec_load syscall 2018-07-16 12:31:57 -07:00
kmod.c
kprobes.c kprobes: Search non-suffixed symbol in blacklist 2019-02-13 08:16:40 +01:00
ksysfs.c
kthread.c Merge branch 'akpm' (patches from Andrew) 2019-03-06 10:31:36 -08:00
latencytop.c
Makefile kernel/configs: use .incbin directive to embed config_data.gz 2019-03-07 18:32:02 -08:00
memremap.c mm/hmm: fix memremap.h, move dev_page_fault_t callback to hmm 2018-12-28 12:11:52 -08:00
module_signing.c modsign: use all trusted keys to verify module signature 2018-11-07 14:41:41 +01:00
module-internal.h modsign: log module name in the event of an error 2018-07-02 11:36:17 +02:00
module.c dynamic_debug: add static inline stub for ddebug_add_module 2019-03-07 18:32:00 -08:00
notifier.c
nsproxy.c
padata.c padata: clean an indentation issue, remove extraneous space 2018-11-16 14:11:04 +08:00
panic.c kernel/panic.c: taint: fix debugfs_simple_attr.cocci warnings 2019-03-07 18:31:59 -08:00
params.c kernel/params.c: downgrade warning for unsafe parameters 2018-04-11 10:28:37 -07:00
pid_namespace.c signal: Use group_send_sig_info to kill all processes in a pid namespace 2018-09-16 16:08:25 +02:00
pid.c Fix failure path in alloc_pid() 2018-12-28 12:42:30 -08:00
profile.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
ptrace.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
range.c
reboot.c kernel/reboot.c: export pm_power_off_prepare 2018-09-11 16:13:24 +01:00
relay.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 13:27:20 -07:00
resource.c device-dax for 5.1 2019-03-16 13:05:32 -07:00
rseq.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
seccomp.c Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-03-07 11:44:01 -08:00
signal.c pidfd patches for v5.1-rc1 2019-03-16 13:47:14 -07:00
smp.c cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM 2019-01-30 19:27:00 +01:00
smpboot.c smpboot: Remove cpumask from the API 2018-07-03 09:20:44 +02:00
smpboot.h
softirq.c softirq: Don't skip softirq execution when softirq thread is parking 2019-02-10 21:51:39 +01:00
stackleak.c stackleak: Mark stackleak_track_stack() as notrace 2018-12-05 19:31:44 -08:00
stacktrace.c
stop_machine.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-08-13 11:25:07 -07:00
sys_ni.c pidfd patches for v5.1-rc1 2019-03-16 13:47:14 -07:00
sys.c Merge branch 'akpm' (patches from Andrew) 2019-03-07 19:25:37 -08:00
sysctl_binary.c kernel/sysctl: add panic_print into sysctl 2019-01-04 13:13:47 -08:00
sysctl.c kernel/sysctl.c: define minmax conv functions in terms of non-minmax versions 2019-03-12 10:04:00 -07:00
task_work.c
taskstats.c
test_kprobes.c kprobes: Remove jprobe API implementation 2018-06-21 12:33:05 +02:00
torture.c torture: Don't try to offline the last CPU 2019-03-26 14:42:53 -07:00
tracepoint.c tracing: Replace synchronize_sched() and call_rcu_sched() 2018-11-27 09:21:41 -08:00
tsacct.c
ucount.c headers: untangle kmemleak.h from mm.h 2018-04-05 21:36:27 -07:00
uid16.c fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers 2018-04-02 20:15:59 +02:00
uid16.h kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c 2018-04-02 20:15:30 +02:00
umh.c umh: add exit routine for UMH process 2019-01-11 18:05:40 -08:00
up.c smp,cpumask: introduce on_each_cpu_cond_mask 2018-10-09 16:51:11 +02:00
user_namespace.c userns: also map extents in the reverse map to kernel IDs 2018-11-07 23:51:16 -06:00
user-return-notifier.c
user.c userns: use irqsave variant of refcount_dec_and_lock() 2018-08-22 10:52:47 -07:00
utsname_sysctl.c sys: don't hold uts_sem while accessing userspace memory 2018-08-11 02:05:53 -05:00
utsname.c uts: create "struct uts_namespace" from kmem_cache 2018-04-11 10:28:35 -07:00
watchdog_hld.c watchdog: Mark watchdog touch functions as notrace 2018-08-30 12:56:40 +02:00
watchdog.c watchdog/core: Add watchdog_thresh command line parameter 2018-11-01 14:33:35 +01:00
workqueue_internal.h psi: fix aggregation idle shut-off 2019-02-01 15:46:23 -08:00
workqueue.c Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-10 13:48:14 -07:00