Gregory Price baff6d2d27 mm: constify oom_control, scan_control, and alloc_context nodemask ...

The nodemasks in these structures may come from a variety of sources,
including tasks and cpusets - and should never be modified by any code
when being passed around inside another context.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Gregory Price <[email protected]>
Reviewed-by: Lorenzo Stoakes <[email protected]>
Acked-by: David Hildenbrand (Arm) <[email protected]>
Reviewed-by: Barry Song <[email protected]>
Acked-by: Vlastimil Babka (SUSE) <[email protected]>
Tested-by: SeongJae Park <[email protected]>
Acked-by: SeongJae Park <[email protected]>
Acked-by: Waiman Long <[email protected]>
Acked-by: Zi Yan <[email protected]>
Cc: Axel Rasmussen <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Chris Li <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Kairui Song <[email protected]>
Cc: Kemeng Shi <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Michal Koutný <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Nhat Pham <[email protected]>
Cc: Shakeel Butt <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Wei Xu <[email protected]>
Cc: Yuanchu Xie <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

2026-07-28 21:12:04 -07:00

..

bpf

bpf: Reject passing scalar NULL to nonnull arg of a global subprog

2026-07-23 16:09:07 -07:00

cgroup

mm: constify oom_control, scan_control, and alloc_context nodemask

2026-07-28 21:12:04 -07:00

configs

slab: support for compiler-assisted type-based slab cache partitioning

2026-05-14 10:44:09 +02:00

debug

kgdb: update outdated references to kgdb_wait()

2026-04-21 16:41:54 +01:00

dma

Merge tag 'dma-mapping-7.2-2026-06-16' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux

2026-06-17 12:20:21 -07:00

entry

futex: Provide infrastructure to plug the non contended robust futex unlock race

2026-06-03 11:38:52 +02:00

events

perf/aux: Fix page UAF in map_range()

2026-07-10 12:12:24 +02:00

futex

futex/requeue: Revert "Prevent NULL pointer dereference in remove_waiter() on self-deadlock""

2026-07-02 22:14:08 +02:00

gcov

Convert more 'alloc_obj' cases to default GFP_KERNEL arguments

2026-02-21 20:03:00 -08:00

irq

genirq/msi: Correct CONFIG_PCI_MSI_ARCH_FALLBACKS macro name in comment

2026-06-22 22:32:01 +02:00

kcsan

kcsan: test: Adjust "expect" allocation type for kmalloc_obj

2026-02-26 09:54:08 -08:00

livepatch

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

liveupdate

liveupdate: fix GET_NAME ioctl argument validation

2026-07-16 09:25:30 +03:00

locking

locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()

2026-06-21 11:51:13 +02:00

module

module: decompress: check return value of module_extend_max_pages()

2026-06-04 16:37:32 +00:00

power

Merge tag 'mm-stable-2026-06-18-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2026-06-19 10:14:34 -07:00

printk

printk: fix typos in comments

2026-06-02 15:36:06 +02:00

rcu

Merge tag 'timers-nohz-2026-06-13' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip

2026-06-15 13:48:52 +05:30

sched

Merge tag 'sched_ext-for-7.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

2026-07-13 15:55:17 -07:00

time

posix-cpu-timers: Prevent UAF caused by non-leader exec() race

2026-07-05 11:44:06 +02:00

trace

Merge tag 'trace-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-07-26 09:15:59 -07:00

unwind

Convert more 'alloc_obj' cases to default GFP_KERNEL arguments

2026-02-21 20:03:00 -08:00

.gitignore

…

acct.c

fs: move SB_I_USERNS_VISIBLE to FS_USERNS_MOUNT_RESTRICTED

2026-05-11 23:13:01 +02:00

async.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

audit_fsnotify.c

audit: fix recursive locking deadlock in audit_dupe_exe()

2026-05-27 19:15:34 -04:00

audit_tree.c

audit: use 'unsigned int' instead of 'unsigned'

2026-05-26 17:15:30 -04:00

audit_watch.c

audit: fix recursive locking deadlock in audit_dupe_exe()

2026-05-27 19:15:34 -04:00

audit.c

audit: fix potential integer overflow in audit_log_n_hex()

2026-07-08 14:22:14 -04:00

audit.h

audit: fix recursive locking deadlock in audit_dupe_exe()

2026-05-27 19:15:34 -04:00

auditfilter.c

audit: fix recursive locking deadlock in audit_dupe_exe()

2026-05-27 19:15:34 -04:00

auditsc.c

Merge tag 'audit-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2026-06-17 12:55:09 +01:00

backtracetest.c

backtracetest: add MODULE_DESCRIPTION()

2024-06-24 22:24:55 -07:00

bounds.c

x86/asm: Remove ANNOTATE_DATA_SPECIAL usage

2025-12-03 16:53:19 +01:00

capability.c

…

cfi.c

cfi: Move BPF CFI types and helpers to generic code

2025-07-31 18:23:53 -07:00

compat.c

sched_getaffinity: don't assume 'cpumask_size()' is fully initialized

2023-03-14 19:32:38 -07:00

configs.c

proc: convert everything to "struct proc_ops"

2020-02-04 03:05:26 +00:00

context_tracking.c

context_tracking: Remove rcu_task_trace_heavyweight_{enter,exit}()

2026-01-01 16:39:46 +08:00

cpu_pm.c

…

cpu.c

Merge tag 'smp-urgent-2026-06-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2026-06-23 16:43:24 -07:00

crash_core_test.c

…

crash_core.c

kernel/crash: remove inclusion of crypto/sha1.h

2026-03-27 21:19:46 -07:00

crash_dump_dm_crypt.c

crash_dump/dm-crypt: don't print in arch-specific code

2026-04-02 23:36:24 -07:00

crash_reserve.c

kernel/crash: remove inclusion of crypto/sha1.h

2026-03-27 21:19:46 -07:00

cred.c

exec_state: relocate dumpable information

2026-05-26 11:02:01 +02:00

delayacct.c

delayacct: fix uapi timespec64 definition

2026-02-08 00:13:32 -08:00

dma.c

…

elfcorehdr.c

…

exec_domain.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

exec_state.c

exec_state: relocate dumpable information

2026-05-26 11:02:01 +02:00

exit.c

posix-cpu-timers: Prevent UAF caused by non-leader exec() race

2026-07-05 11:44:06 +02:00

exit.h

…

extable.c

context_tracking: Take NMI eqs entrypoints over RCU

2022-07-05 13:32:59 -07:00

fail_function.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

fork.c

bpf,fork: wipe ->bpf_storage before bailouts that access it

2026-06-29 15:08:23 -07:00

freezer.c

…

gen_kheaders.sh

…

groups.c

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21 01:02:28 -08:00

hung_task.c

hung_task: explicitly report I/O wait state in log output

2026-03-27 21:19:40 -07:00

iomem.c

…

irq_work.c

irq_work: Fix use-after-free in irq_work_single() on PREEMPT_RT

2026-05-11 16:28:04 +02:00

jump_label.c

jump_label: use ATOMIC_INIT() for initialization of .enabled

2026-03-16 13:16:48 +01:00

kallsyms_internal.h

kallsyms: Get rid of kallsyms relative base

2026-01-22 15:58:22 -07:00

kallsyms_selftest.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

kallsyms_selftest.h

…

kallsyms.c

Merge tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2026-02-12 12:13:01 -08:00

kcmp.c

…

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.kexec

…

Kconfig.locks

locking/rwlock: Provide RT variant

2021-08-17 17:50:51 +02:00

Kconfig.preempt

sched: Further restrict the preemption modes

2026-01-08 12:43:57 +01:00

kcov.c

kcov: use WRITE_ONCE() for selftest mode stores

2026-06-04 14:49:26 -07:00

kexec_core.c

liveupdate: skip serialization for context-preserving kexec

2026-06-01 09:19:38 +03:00

kexec_elf.c

…

kexec_file.c

kexec: derive purgatory entry from symbol

2026-01-31 16:16:07 -08:00

kexec_internal.h

…

kexec.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

kheaders.c

…

kprobes.c

kprobes: Remove unneeded warnings from __arm_kprobe_ftrace()

2026-03-13 23:15:26 +09:00

kstack_erase.c

sysctl: remove __user qualifier from stack_erasing_sysctl buffer argument

2025-11-27 15:44:53 +01:00

ksyms_common.c

…

ksysfs.c

kernel: ksysfs: initialize kernel_kobj earlier

2026-04-03 19:39:52 +02:00

kthread.c

exec_state: relocate dumpable information

2026-05-26 11:02:01 +02:00

latencytop.c

…

Makefile

exec: introduce struct task_exec_state

2026-05-26 11:02:01 +02:00

module_signature.c

module: Give 'enum pkey_id_type' a more specific name

2026-03-24 21:42:37 +00:00

notifier.c

reboot: move reboot_notifier_list to kernel/reboot.c

2024-11-05 17:12:31 -08:00

nscommon.c

nsfs: tighten permission checks for ns iteration ioctls

2026-02-27 22:00:08 +01:00

nsproxy.c

Merge tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2026-04-14 19:59:25 -07:00

nstree.c

nstree: tighten permission checks for listing

2026-02-27 22:00:11 +01:00

padata.c

padata: Put CPU offline callback in ONLINE section to allow failure

2026-03-22 11:17:59 +09:00

panic.c

bug/kunit: Core support for suppressing warning backtraces

2026-05-14 10:50:00 -06:00

params.c

kernel: param: initialize module_kset in a pure_initcall

2026-06-08 23:27:56 +02:00

pid_namespace.c

pid_namespace: allow opening pid_for_children before init was created

2026-03-20 14:44:26 +01:00

pid_sysctl.h

…

pid.c

pidfd: refuse access to tasks that have started exiting harder

2026-05-19 08:57:47 +02:00

profile.c

…

ptrace.c

exec_state: relocate dumpable information

2026-05-26 11:02:01 +02:00

range.c

kernel.h: split out min()/max() et al. helpers

2020-10-16 11:11:19 -07:00

reboot.c

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21 01:02:28 -08:00

regset.c

regset: use kvzalloc() for regset_get_alloc()

2024-04-25 21:07:03 -07:00

relay.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

resource_kunit.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

resource.c

resource: Make resource_alignment() input const resource

2026-06-23 12:08:51 -05:00

rseq.c

rseq: Reenable performance optimizations conditionally

2026-05-06 17:40:27 +02:00

scftorture.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

scs.c

scs: fix a wrong parameter in __scs_magic

2025-11-12 10:00:13 -08:00

seccomp.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

signal.c

posix-cpu-timers: Prevent UAF caused by non-leader exec() race

2026-07-05 11:44:06 +02:00

smp.c

smp: Make CSD lock acquisition atomic for debug mode

2026-07-22 20:57:08 +02:00

smpboot.c

…

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

softirq: Prepare for deferred hrtimer rearming

2026-02-27 16:40:13 +01:00

stacktrace.c

stacktrace: fix kernel-doc typo

2023-12-29 12:22:29 -08:00

static_call_inline.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

static_call.c

static_call: Don't make __static_call_return0 static

2022-04-05 09:59:38 +02:00

stop_machine.c

sched: Simplify ifdeffery around cpu_smt_mask

2026-05-19 12:17:37 +02:00

sys_ni.c

rseq: Implement sys_rseq_slice_yield()

2026-01-22 11:11:17 +01:00

sys.c

exec_state: relocate dumpable information

2026-05-26 11:02:01 +02:00

sysctl-test.c

sysctl: move u8 register test to lib/test_sysctl.c

2025-04-14 14:13:41 +02:00

sysctl.c

sysctl: fix uninitialized variable in proc_do_large_bitmap

2026-03-26 09:32:19 +01:00

task_work.c

task_work: Fix NMI race condition

2025-10-29 10:29:54 +01:00

taskstats.c

taskstats: retain dead thread stats in TGID queries

2026-05-28 21:24:41 -07:00

torture.c

torture: Add torture_sched_set_normal() for user-specified nice values

2026-05-24 09:38:47 +02:00

tracepoint.c

tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func()

2026-04-14 05:17:02 -04:00

tsacct.c

tsacct: skip all kernel threads

2026-01-26 19:07:13 -08:00

ucount.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

uid16.c

…

uid16.h

kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c

2018-04-02 20:15:30 +02:00

umh.c

umh: replace use of system_unbound_wq with system_dfl_wq

2026-05-07 11:30:08 -10:00

up.c

smp: Change function signatures to use call_single_data_t

2023-09-13 14:59:24 +02:00

user_namespace.c

Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses

2026-02-22 08:26:33 -08:00

user-return-notifier.c

…

user.c

ns: drop custom reference count initialization for initial namespaces

2025-11-11 10:01:32 +01:00

utsname_sysctl.c

…

utsname.c

…

vhost_task.c

vhost_task_create: kill unnecessary .exit_signal initialization

2026-06-10 02:17:00 -04:00

vmcore_info.c

Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2026-04-16 20:11:56 -07:00

watch_queue.c

Convert 'alloc_flex' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

watchdog_buddy.c

watchdog/hardlockup: improve buddy system detection timeliness

2026-03-27 21:19:47 -07:00

watchdog_perf.c

watchdog/hardlockup: simplify perf event probe and remove per-cpu dependency

2026-02-08 00:13:35 -08:00

watchdog.c

watchdog/hardlockup: improve buddy system detection timeliness

2026-03-27 21:19:47 -07:00

workqueue_internal.h

workqueue: Show in-flight work item duration in stall diagnostics

2026-03-05 07:27:48 -10:00

workqueue.c

Merge tag 'wq-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2026-06-17 11:57:44 +01:00