Linus Torvalds 1be5bdf8cd KCSAN updates for v5.17 ... This series provides KCSAN fixes and also the ability to take memory barriers into account for weakly-ordered systems. This last can increase the probability of detecting certain types of data races. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmHbuRwTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jKDPEACWuzYnd/u/02AHyRd3PIF3Px9uFKlK TFwaXX95oYSFCXcrmO42YtDUlZm4QcbwNb85KMCu1DvckRtIsNw0rkBU7BGyqv3Z ZoJEfMNpmC0x9+IFBOeseBHySPVT0x7GmYus05MSh0OLfkbCfyImmxRzgoKJGL+A ADF9EQb4z2feWjmVEoN8uRaarCAD4f77rSXiX6oTCNDuKrHarqMld/TmoXFrJbu2 QtfwHeyvraKBnZdUoYfVbGVenyKb1vMv4bUlvrOcuJEgIi/J/th4FupR3XCGYulI aWJTl2TQTGnMoE8VnFHgI27I841w3k5PVL+Y1hr/S4uN1/rIoQQuBzCtlnFeCksa BiBXsHIchN8N0Dwh8zD8NMd2uxV4t3fmpxXTDAwaOm7vs5hA8AJ0XNu6Sz94Lyjv wk2CxX41WWUNJVo3gh6SrS4mL6lC8+VvHF1hbIap++jrevj58gj1jAR1fdx4ANlT e2qA00EeoMngEogDNZH42/Fxs3H9zxrBta2ZbkPkwzIqTHH+4pIQDCy2xO3T3oxc twdGPYpjYdkf79EGsG4I4R/VA/IfcS09VIWTce8xSDeSnqkgFhcG37r1orJe8hTB tH+ODkNOsz5HaEoa8OoAL4ko2l0fL99p2AtMPpuQfHjRj7aorF+dJIrqCizASxwx 37PjQgOmHeDHgQ== =Q5fg -----END PGP SIGNATURE----- Merge tag 'kcsan.2022.01.09a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull KCSAN updates from Paul McKenney: "This provides KCSAN fixes and also the ability to take memory barriers into account for weakly-ordered systems. This last can increase the probability of detecting certain types of data races" * tag 'kcsan.2022.01.09a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (29 commits) kcsan: Only test clear_bit_unlock_is_negative_byte if arch defines it kcsan: Avoid nested contexts reading inconsistent reorder_access kcsan: Turn barrier instrumentation into macros kcsan: Make barrier tests compatible with lockdep kcsan: Support WEAK_MEMORY with Clang where no objtool support exists compiler_attributes.h: Add __disable_sanitizer_instrumentation objtool, kcsan: Remove memory barrier instrumentation from noinstr objtool, kcsan: Add memory barrier instrumentation to whitelist sched, kcsan: Enable memory barrier instrumentation mm, kcsan: Enable barrier instrumentation x86/qspinlock, kcsan: Instrument barrier of pv_queued_spin_unlock() x86/barriers, kcsan: Use generic instrumentation for non-smp barriers asm-generic/bitops, kcsan: Add instrumentation for barriers locking/atomics, kcsan: Add instrumentation for barriers locking/barriers, kcsan: Support generic instrumentation locking/barriers, kcsan: Add instrumentation for barriers kcsan: selftest: Add test case to check memory barrier instrumentation kcsan: Ignore GCC 11+ warnings about TSan runtime support kcsan: test: Add test cases for memory barrier instrumentation kcsan: test: Match reordered or normal accesses ...		2022-01-11 09:51:26 -08:00
..
bpf	xdp: Move conversion to xdp_frame out of map functions	2022-01-05 19:46:32 -08:00
cgroup	Merge branch 'for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup	2022-01-11 09:14:37 -08:00
configs	drivers/char: remove /dev/kmem for good	2021-05-07 00:26:34 -07:00
debug	kdb: Adopt scheduler's task classification	2021-11-03 17:21:37 +00:00
dma	dma-mapping updates for Linux 5.16	2021-11-09 10:56:41 -08:00
entry	entry: Snapshot thread flags	2021-12-01 00:06:43 +01:00
events	perf: Add a counter for number of user access events in context	2021-12-14 11:30:54 +00:00
futex	futex: Fix PREEMPT_RT build	2021-10-19 17:27:05 +02:00
gcov	Kconfig: Introduce ARCH_WANTS_NO_INSTR and CC_HAS_NO_PROFILE_FN_ATTR	2021-06-22 11:07:18 -07:00
irq	irq: remove unused flags argument from __handle_irq_event_percpu()	2022-01-07 00:25:25 +01:00
kcsan	KCSAN updates for v5.17	2022-01-11 09:51:26 -08:00
livepatch	Tracing updates for 5.16:	2021-11-01 20:05:19 -07:00
locking	RCU pull request for v5.17	2022-01-11 09:29:44 -08:00
power	PM: hibernate: Allow ACPI hardware signature to be honoured	2021-12-08 16:06:10 +01:00
printk	printk/console: Clean up boot console handling in register_console()	2021-12-06 14:07:57 +01:00
rcu	Merge branches 'doc.2021.11.30c', 'exp.2021.12.07a', 'fastnohz.2021.11.30c', 'fixes.2021.11.30c', 'nocb.2021.12.09a', 'nolibc.2021.11.30c', 'tasks.2021.12.09a', 'torture.2021.12.07a' and 'torturescript.2021.11.30c' into HEAD	2021-12-09 11:38:09 -08:00
sched	KCSAN updates for v5.17	2022-01-11 09:51:26 -08:00
time	timekeeping: Really make sure wall_to_monotonic isn't positive	2021-12-17 23:06:22 +01:00
trace	Networking changes for 5.17.	2022-01-10 19:06:09 -08:00
.gitignore	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
acct.c	kernel: remove spurious blkdev.h includes	2021-10-18 06:17:01 -06:00
async.c	kernel/async.c: remove async_unregister_domain()	2021-05-07 00:26:33 -07:00
audit.c	audit: improve robustness of the audit queue handling	2021-12-15 13:16:39 -05:00
audit.h	audit/stable-5.16 PR 20211101	2021-11-01 21:17:39 -07:00
audit_fsnotify.c	fsnotify: clarify contract for create event hooks	2021-10-27 12:32:34 +02:00
audit_tree.c	audit/stable-5.16 PR 20211101	2021-11-01 21:17:39 -07:00
audit_watch.c	\n	2021-11-06 16:43:20 -07:00
auditfilter.c	audit: add filtering for io_uring records	2021-09-19 22:34:38 -04:00
auditsc.c	audit/stable-5.16 PR 20211101	2021-11-01 21:17:39 -07:00
backtracetest.c
bounds.c
capability.c	capability: handle idmapped mounts	2021-01-24 14:27:16 +01:00
cfi.c	cfi: Use rcu_read_{un}lock_sched_notrace	2021-08-11 13:11:12 -07:00
compat.c	arch: remove compat_alloc_user_space	2021-09-08 15:32:35 -07:00
configs.c
context_tracking.c
cpu.c	sched/scs: Reset task stack state in bringup_cpu()	2021-11-24 12:20:27 +01:00
cpu_pm.c	PM: cpu: Make notifier chain use a raw_spinlock_t	2021-08-16 18:55:32 +02:00
crash_core.c	kernel/crash_core: suppress unknown crashkernel parameter warning	2021-12-25 12:20:55 -08:00
crash_dump.c
cred.c	ucounts: In set_cred_ucounts assume new->ucounts is non-NULL	2021-10-20 10:45:34 -05:00
delayacct.c	delayacct: Add sysctl to enable at runtime	2021-05-12 11:43:25 +02:00
dma.c
exec_domain.c
exit.c	Merge branch 'per_signal_struct_coredumps-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2021-11-03 12:15:29 -07:00
extable.c	extable: use is_kernel_text() helper	2021-11-09 10:02:51 -08:00
fail_function.c	fault-injection: handle EI_ETYPE_TRUE	2020-12-15 22:46:19 -08:00
fork.c	A single fix for POSIX CPU timers to address a problem where POSIX CPU	2021-11-14 10:43:38 -08:00
freezer.c	sched: Add get_current_state()	2021-06-18 11:43:08 +02:00
gen_kheaders.sh	kbuild: clean up ${quiet} checks in shell scripts	2021-05-27 04:01:50 +09:00
groups.c	groups: simplify struct group_info allocation	2021-02-26 09:41:03 -08:00
hung_task.c	Merge branch 'akpm' (patches from Andrew)	2021-07-02 12:08:10 -07:00
iomem.c
irq_work.c	irq_work: Also rcuwait for !IRQ_WORK_HARD_IRQ on PREEMPT_RT	2021-10-15 11:25:18 +02:00
jump_label.c	jump_label: Fix jump_label_text_reserved() vs __init	2021-07-05 10:46:20 +02:00
kallsyms.c	kallsyms: strip LTO suffixes from static functions	2021-10-04 10:58:25 -07:00
kcmp.c	Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2020-12-15 19:36:48 -08:00
Kconfig.freezer
Kconfig.hz
Kconfig.locks	locking/rwlock: Provide RT variant	2021-08-17 17:50:51 +02:00
Kconfig.preempt	preempt: Restore preemption model selection configs	2021-11-11 13:09:33 +01:00
kcov.c	kcov: replace local_irq_save() with a local_lock_t	2021-11-09 10:02:52 -08:00
kexec.c	kexec: avoid compat_alloc_user_space	2021-09-08 15:32:34 -07:00
kexec_core.c	Merge branch 'rework/printk_safe-removal' into for-linus	2021-08-30 16:36:10 +02:00
kexec_elf.c
kexec_file.c	memblock: add MEMBLOCK_DRIVER_MANAGED to mimic IORESOURCE_SYSRAM_DRIVER_MANAGED	2021-11-06 13:30:42 -07:00
kexec_internal.h	kexec: move machine_kexec_post_load() to public interface	2021-02-22 12:33:26 +00:00
kheaders.c
kmod.c	modules: add CONFIG_MODPROBE_PATH	2021-05-07 00:26:33 -07:00
kprobes.c	kprobes: Limit max data_size of the kretprobe instances	2021-12-01 21:04:34 -05:00
ksysfs.c
kthread.c	Merge branch 'exit-cleanups-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2021-11-10 16:15:54 -08:00
latencytop.c
Makefile	Tracing updates for 5.16:	2021-11-01 20:05:19 -07:00
module-internal.h
module.c	module: change to print useful messages from elf_validity_check()	2021-11-05 15:13:10 -07:00
module_signature.c	module: harden ELF info handling	2021-01-19 10:24:45 +01:00
module_signing.c	module: harden ELF info handling	2021-01-19 10:24:45 +01:00
notifier.c	notifier: Return an error when a callback has already been registered	2021-12-29 10:37:33 +01:00
nsproxy.c	memcg: enable accounting for new namesapces and struct nsproxy	2021-09-03 09:58:12 -07:00
padata.c	padata: Remove repeated verbose license text	2021-08-27 16:30:18 +08:00
panic.c	Merge branch 'rework/printk_safe-removal' into for-linus	2021-08-30 16:36:10 +02:00
params.c	params: lift param_set_uint_minmax to common code	2021-08-16 14:42:22 +02:00
pid.c	pid: add pidfd_get_task() helper	2021-10-14 13:29:18 +02:00
pid_namespace.c	memcg: enable accounting for new namesapces and struct nsproxy	2021-09-03 09:58:12 -07:00
profile.c	profiling: fix shift-out-of-bounds bugs	2021-09-08 11:50:26 -07:00
ptrace.c	sched: Change task_struct::state	2021-06-18 11:43:09 +02:00
range.c
reboot.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2021-11-12 11:53:16 -08:00
regset.c
relay.c	relay: allow the use of const callback structs	2020-12-15 22:46:18 -08:00
resource.c	kernel/resource: disallow access to exclusive system RAM regions	2021-11-09 10:02:52 -08:00
resource_kunit.c	resource: provide meaningful MODULE_LICENSE() in test suite	2020-11-25 18:52:35 +01:00
rseq.c	KVM: rseq: Update rseq when processing NOTIFY_RESUME on xfer to KVM guest	2021-09-22 10:24:01 -04:00
scftorture.c	scftorture: Always log error message	2021-12-07 16:36:17 -08:00
scs.c	scs: Release kasan vmalloc poison in scs_free process	2021-09-30 09:37:27 +01:00
seccomp.c	Merge branch 'exit-cleanups-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2021-09-01 14:52:05 -07:00
signal.c	signal: Skip the altstack update when not needed	2021-12-14 13:08:36 -08:00
smp.c	sched: Improve wake_up_all_idle_cpus() take #2	2021-10-22 15:32:46 +02:00
smpboot.c	smpboot: Replace deprecated CPU-hotplug functions.	2021-08-10 14:57:42 +02:00
smpboot.h
softirq.c	timers/nohz: Last resort update jiffies on nohz_full IRQ entry	2021-12-02 15:07:22 +01:00
stackleak.c
stacktrace.c	stacktrace: move filter_irq_stacks() to kernel/stacktrace.c	2021-11-06 13:30:43 -07:00
static_call.c	static_call: Fix static_call_text_reserved() vs __init	2021-07-05 10:46:33 +02:00
stop_machine.c	stop_machine: Add caller debug info to queue_stop_cpus_work	2021-03-23 16:01:58 +01:00
sys.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
sys_ni.c	futex: Implement sys_futex_waitv()	2021-10-07 13:51:11 +02:00
sysctl-test.c	kernel/sysctl-test: Remove some casts which are no-longer required	2021-06-23 16:41:24 -06:00
sysctl.c	net: Don't include filter.h from net/sock.h	2021-12-29 08:48:14 -08:00
task_work.c	kasan: record task_work_add() call stack	2021-04-30 11:20:42 -07:00
taskstats.c	treewide: rename nla_strlcpy to nla_strscpy.	2020-11-16 08:08:54 -08:00
torture.c	locktorture,rcutorture,torture: Always log error message	2021-12-07 16:36:17 -08:00
tracepoint.c	tracepoint: Fix kerneldoc comments	2021-08-16 11:39:51 -04:00
tsacct.c	mm/mmap.c: fix a data race of mm->total_vm	2021-11-06 13:30:35 -07:00
ucount.c	ucounts: Fix rlimit max values check	2021-12-09 15:37:18 -06:00
uid16.c
uid16.h
umh.c	kernel/umh.c: fix some spelling mistakes	2021-05-07 00:26:34 -07:00
up.c	A set of locking related fixes and updates:	2021-05-09 13:07:03 -07:00
user-return-notifier.c
user.c	fs/epoll: use a per-cpu counter for user's watches count	2021-09-08 11:50:27 -07:00
user_namespace.c	memcg: enable accounting for new namesapces and struct nsproxy	2021-09-03 09:58:12 -07:00
usermode_driver.c	Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2021-07-03 11:41:14 -07:00
utsname.c
utsname_sysctl.c
watch_queue.c	watch_queue: rectify kernel-doc for init_watch()	2021-01-26 11:16:34 +00:00
watchdog.c	kernel: watchdog: modify the explanation related to watchdog thread	2021-06-29 10:53:46 -07:00
watchdog_hld.c
workqueue.c	Merge branch 'workqueue/for-5.16-fixes' into workqueue/for-5.17	2022-01-10 07:54:04 -10:00
workqueue_internal.h	workqueue: Assign a color to barrier work items	2021-08-17 07:49:10 -10:00