rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P4536/1:b..l P7922/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=34869, q=355 ncpus=2)
task:syz-executor.0  state:R  running task     stack:25344 pid:7922  tgid:7921  ppid:5762   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__reset_page_owner+0x68/0x400 mm/page_owner.c:295
Code: 00 00 48 89 c3 e8 78 3a 9b ff 48 03 1d f1 7e e5 0b 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e 09 03 00 00 8b 43 08 bf 00 28 00 00 41 bd
RSP: 0018:ffffc900045474f0 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffff888018cf43d8 RCX: ffffc90012e01000
RDX: 1ffff1100319e87c RSI: ffffffff81f2a968 RDI: ffff888018cf43e0
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0001ac3640
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1088 [inline]
 free_unref_folios+0x991/0x1310 mm/page_alloc.c:2632
 folios_put_refs+0x487/0x6d0 mm/swap.c:1024
 free_pages_and_swap_cache+0x36d/0x510 mm/swap_state.c:329
 __tlb_batch_free_encoded_pages+0xf9/0x290 mm/mmu_gather.c:136
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu mm/mmu_gather.c:373 [inline]
 tlb_finish_mmu+0x168/0x7b0 mm/mmu_gather.c:465
 unmap_region+0x342/0x420 mm/mmap.c:2370
 do_vmi_align_munmap+0x1107/0x19c0 mm/mmap.c:2683
 do_vmi_munmap+0x231/0x410 mm/mmap.c:2759
 __vm_munmap+0x142/0x330 mm/mmap.c:3038
 __do_sys_munmap mm/mmap.c:3055 [inline]
 __se_sys_munmap mm/mmap.c:3052 [inline]
 __x64_sys_munmap+0x61/0x90 mm/mmap.c:3052
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7bca27d137
RSP: 002b:00007f7bcaf13ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f7bca27d137
RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f7bc0000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000009756
R10: 000000002001c602 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f7bcaf13f80 R14: 00007f7bcaf13f40 R15: 00007f7bc0000000
 </TASK>
task:udevd           state:R  running task     stack:24848 pid:4536  tgid:4536  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6924
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:194
 sock_def_readable+0x160/0x610 net/core/sock.c:3353
 __netlink_sendskb net/netlink/af_netlink.c:1282 [inline]
 netlink_sendskb net/netlink/af_netlink.c:1288 [inline]
 netlink_unicast+0x6fb/0x820 net/netlink/af_netlink.c:1376
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0xab5/0xc90 net/socket.c:2585
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2639
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2668
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a75124a4b
RSP: 002b:00007ffd2c400c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00005557a2b86240 RCX: 00007f0a75124a4b
RDX: 0000000000000000 RSI: 00007ffd2c400c68 RDI: 0000000000000004
RBP: 00005557a2bb2d50 R08: 0000000000000001 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000000b4 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10552 jiffies! g34869 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:27872 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:112