rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5780/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=13889, q=885 ncpus=2)
task:syz-executor.4  state:R  running task     stack:25488 pid:5780  tgid:5776  ppid:5113   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 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_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 2a 84 89 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:ffffc90009f1f680 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920013e3edc RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff280
RBP: ffffc90009f1f7d0 R08: ffffffff92fab587 R09: 1ffffffff25f56b0
R10: dffffc0000000000 R11: fffffbfff25f56b1 R12: 1ffff920013e3ed8
R13: dffffc0000000000 R14: ffffc90009f1f6e0 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 percpu_ref_put_many include/linux/percpu-refcount.h:330 [inline]
 percpu_ref_put+0x36/0x180 include/linux/percpu-refcount.h:351
 css_put include/linux/cgroup_refcnt.h:79 [inline]
 obj_cgroup_charge_pages mm/memcontrol.c:3422 [inline]
 __memcg_kmem_charge_page+0x127/0x250 mm/memcontrol.c:3442
 __alloc_pages_noprof+0x28c/0x6c0 mm/page_alloc.c:4695
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 vm_area_alloc_pages mm/vmalloc.c:3566 [inline]
 __vmalloc_area_node mm/vmalloc.c:3642 [inline]
 __vmalloc_node_range_noprof+0x971/0x1460 mm/vmalloc.c:3823
 __bpf_map_area_alloc kernel/bpf/syscall.c:307 [inline]
 bpf_map_area_alloc+0xfc/0x120 kernel/bpf/syscall.c:314
 htab_map_alloc+0x3f0/0xe70 kernel/bpf/hashtab.c:530
 map_create+0x90e/0x1200 kernel/bpf/syscall.c:1333
 __sys_bpf+0x6d1/0x810 kernel/bpf/syscall.c:5670
 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5793 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793
 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: 0033:0x7f866827cf69
RSP: 002b:00007f8668f1f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f86683b4050 RCX: 00007f866827cf69
RDX: 0000000000000048 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007f86682da6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f86683b4050 R15: 00007fff80ce8188
 </TASK>
rcu: rcu_preempt kthread starved for 10541 jiffies! g13889 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 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+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5790 Comm: syz-executor.5 Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:validate_chain+0x5d2/0x5900 kernel/locking/lockdep.c:3881
Code: 01 00 00 00 48 c7 84 24 00 01 00 00 0e 36 e0 45 49 c7 04 0c 00 00 00 00 49 c7 44 0c 09 00 00 00 00 49 c7 44 0c 11 00 00 00 00 <49> c7 44 0c 1f 00 00 00 00 49 c7 44 0c 2b 00 00 00 00 41 c6 44 0c
RSP: 0018:ffffc90000a187c0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffffffff92fad440 RCX: 1ffff92000143118
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92fab588
RBP: ffffc90000a18ac0 R08: ffffffff92fab58f R09: 1ffffffff25f56b1
R10: dffffc0000000000 R11: fffffbfff25f56b2 R12: dffffc0000000000
R13: ffff888071298b50 R14: ab1e9af921ff200a R15: ffffffff92fad458
FS:  00007fb6691566c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb669134f80 CR3: 000000005d346000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 seqcount_lockdep_reader_access+0xfc/0x220 include/linux/seqlock.h:72
 timekeeping_debug_get_ns kernel/time/timekeeping.c:256 [inline]
 timekeeping_get_ns+0x5c/0x420 kernel/time/timekeeping.c:401
 ktime_get_update_offsets_now+0x90/0x250 kernel/time/timekeeping.c:2323
 hrtimer_update_base kernel/time/hrtimer.c:634 [inline]
 hrtimer_interrupt+0x133/0x990 kernel/time/hrtimer.c:1795
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x1e5b/0x2a00 arch/x86/kernel/unwind_orc.c:672
Code: 39 03 4c 8b 7c 24 08 0f 84 42 01 00 00 e8 cd 18 55 00 e9 06 fd ff ff e8 c3 18 55 00 eb 0c e8 bc 18 55 00 eb 05 e8 b5 18 55 00 <bf> 01 00 00 00 e8 fb 8c 24 00 65 8b 1d ac c6 c2 7e 31 ff 89 de e8
RSP: 0018:ffffc9000996f0c8 EFLAGS: 00000246
RAX: ffffffff81410e4b RBX: ffffc90009970000 RCX: 0000000000040000
RDX: ffffc9000a905000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000996f1a0 R08: ffffffff81410de5 R09: ffffffff8141095f
R10: 0000000000000003 R11: ffff888071298000 R12: ffffc9000996f7a0
R13: dffffc0000000000 R14: ffffc90009968000 R15: ffffc9000996f7a8
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __set_page_owner+0x92/0x800 mm/page_owner.c:320
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468
 prep_new_page mm/page_alloc.c:1476 [inline]
 get_page_from_freelist+0x2e43/0x2f00 mm/page_alloc.c:3420
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4678
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4626
 copy_splice_read+0x1c5/0xb60 fs/splice.c:345
 do_splice_read fs/splice.c:985 [inline]
 splice_file_to_pipe+0x29b/0x500 fs/splice.c:1295
 do_splice+0xf2d/0x1900 fs/splice.c:1379
 __do_splice fs/splice.c:1436 [inline]
 __do_sys_splice fs/splice.c:1652 [inline]
 __se_sys_splice+0x331/0x4a0 fs/splice.c:1634
 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: 0033:0x7fb66847cf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb6691560c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fb6685b4050 RCX: 00007fb66847cf69
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fb6684da6fe R08: 0000000000008ec3 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fb6685b4050 R15: 00007ffccda26258
 </TASK>