rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1105/1:b..l P6444/1:b..l P2414/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=17829, q=337 ncpus=2)
task:kworker/u8:8 state:R running task stack:19768 pid:2414 tgid:2414 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 0a 2d 86 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90008f6f9e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920011edf48 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f1780
RBP: ffffc90008f6fb40 R08: ffffffff92f71587 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: 1ffff920011edf44
R13: dffffc0000000000 R14: ffffc90008f6fa40 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz.2.413 state:R running task stack:24144 pid:6444 tgid:6443 ppid:5087 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0xd/0x190 kernel/locking/lockdep.c:5810
Code: ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 bb ff ff
RSP: 0018:ffffc900145d6f60 EFLAGS: 00000202
RAX: 1ffffffff1c67101 RBX: ffff8880531aa800 RCX: 0000000080000000
RDX: ffff888027849e00 RSI: 00000000ffffffff RDI: ffffffff8e333f60
RBP: 0000000000000000 R08: ffffffff84904b76 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: dffffc0000000000
R13: 0000000000000cc0 R14: ffff888027849e2c R15: dffffc0000000000
task_css include/linux/cgroup.h:434 [inline]
blkcg_css+0x110/0x1d0 block/blk-cgroup.c:110
blk_cgroup_congested+0xbd/0x220 block/blk-cgroup.c:2189
__folio_throttle_swaprate+0x84/0x1d0 mm/swapfile.c:3695
folio_throttle_swaprate include/linux/swap.h:632 [inline]
shmem_add_to_page_cache+0x89c/0x1830 mm/shmem.c:778
shmem_alloc_and_add_folio+0x46c/0xdb0 mm/shmem.c:1689
shmem_get_folio_gfp+0x82d/0x1f50 mm/shmem.c:2055
shmem_fault+0x252/0x6f0 mm/shmem.c:2255
__do_fault+0x135/0x460 mm/memory.c:4556
do_read_fault mm/memory.c:4921 [inline]
do_fault mm/memory.c:5051 [inline]
do_pte_missing mm/memory.c:3897 [inline]
handle_pte_fault+0x3d15/0x7090 mm/memory.c:5381
__handle_mm_fault mm/memory.c:5524 [inline]
handle_mm_fault+0xfb0/0x19d0 mm/memory.c:5689
faultin_page mm/gup.c:1290 [inline]
__get_user_pages+0x6ef/0x1590 mm/gup.c:1589
populate_vma_page_range+0x264/0x330 mm/gup.c:2029
__mm_populate+0x27a/0x460 mm/gup.c:2132
mm_populate include/linux/mm.h:3469 [inline]
vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:578
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f003c375b99
RSP: 002b:00007f003d1e6048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f003c503fa0 RCX: 00007f003c375b99
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f003c3f677e R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f003c503fa0 R15: 00007ffd939279e8
task:kworker/u8:7 state:R running task stack:21560 pid:1105 tgid:1105 ppid:2 flags:0x00004000
Workqueue: events_unbound toggle_allocation_gate
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline]
RIP: 0010:protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline]
RIP: 0010:pmd_pfn arch/x86/include/asm/pgtable.h:233 [inline]
RIP: 0010:pte_lockptr include/linux/mm.h:2960 [inline]
RIP: 0010:__pte_offset_map_lock+0x143/0x300 mm/pgtable-generic.c:374
Code: 24 80 00 00 00 e8 8d ab 11 00 4c 8b b4 24 80 00 00 00 31 ff 4c 89 f6 e8 6b 44 af ff 4d 85 f6 41 0f 95 c5 4c 89 f6 48 83 e6 01 <0f> 94 c3 31 ff e8 53 44 af ff 44 20 eb 44 0f b6 eb 49 f7 dd 4d 31
RSP: 0018:ffffc9000417f640 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888022463c00
RDX: 000000001507c558 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000417f730 R08: ffffffff81e6e9c5 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: 1ffff9200082fed0
R13: ffff88801507aa01 R14: 000000001507c067 R15: 1ffff9200082fed8
get_locked_pte include/linux/mm.h:2749 [inline]
__text_poke+0x2c5/0xd30 arch/x86/kernel/alternative.c:1883
text_poke arch/x86/kernel/alternative.c:1968 [inline]
text_poke_bp_batch+0x8cd/0xb30 arch/x86/kernel/alternative.c:2357
text_poke_flush arch/x86/kernel/alternative.c:2470 [inline]
text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2477
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked+0xce/0x1c0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:831
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: rcu_preempt kthread starved for 10589 jiffies! g17829 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:25328 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
sched: RT throttling activated