rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5818/1:b..l P15154/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=61409, q=1058624 ncpus=2)
task:syz.3.2331      state:R  running task     stack:25832 pid:15154 tgid:15151 ppid:5817   task_flags:0x40044c flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x116a/0x5de0 kernel/sched/core.c:6785
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108
 irqentry_exit+0x36/0x90 kernel/entry/common.c:307
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:220 [inline]
RIP: 0010:unwind_next_frame+0x2a0/0x20a0 arch/x86/kernel/unwind_orc.c:494
Code: 28 89 74 24 20 44 89 5c 24 18 e8 6b 11 b8 00 48 8b 54 24 30 8b 4c 24 28 8b 74 24 20 44 8b 5c 24 18 89 cf 8b 14 95 b8 f1 f8 91 <48> 8d 04 7f 48 8d 84 00 80 8a 36 91 83 c2 01 48 3d b6 f1 f8 91 0f
RSP: 0018:ffffc900135eef90 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 0000000000000001 RCX: 000000000003d255
RDX: 000000000003d259 RSI: 00000000000a838c RDI: 000000000003d255
RBP: ffffc900135ef048 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000013bf3 R12: ffffc900135ef050
R13: ffffc900135ef000 R14: ffffc900135ef035 R15: ffffffff823bf3fe
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x160/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 free_unref_folios+0xa65/0x1800 mm/page_alloc.c:2763
 folios_put_refs+0x56f/0x740 mm/swap.c:992
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x58f/0x1150 mm/shmem.c:1125
 shmem_truncate_range mm/shmem.c:1237 [inline]
 shmem_evict_inode+0x3a1/0xbe0 mm/shmem.c:1365
 evict+0x3e3/0x920 fs/inode.c:810
 iput_final fs/inode.c:1898 [inline]
 iput fs/inode.c:1924 [inline]
 iput+0x521/0x880 fs/inode.c:1910
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:466
 __dentry_kill+0x1d0/0x600 fs/dcache.c:669
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:911
 dput+0x1f/0x30 fs/dcache.c:901
 __fput+0x51c/0xb70 fs/file_table.c:473
 task_work_run+0x14d/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x864/0x2bd0 kernel/exit.c:955
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1104
 get_signal+0x2673/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4cf98e929
RSP: 002b:00007fd4d081d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffe00 RBX: 00007fd4cfbb6080 RCX: 00007fd4cf98e929
RDX: 0000000000000010 RSI: 0000200000000000 RDI: 0000000000000008
RBP: 00007fd4cfa10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd4cfbb6080 R15: 00007ffc6158d5b8
 </TASK>
task:syz-executor    state:R  running task     stack:23576 pid:5818  tgid:5818  ppid:5812   task_flags:0x400140 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x116a/0x5de0 kernel/sched/core.c:6785
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6965
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 wp_page_copy mm/memory.c:3670 [inline]
 do_wp_page+0x177b/0x4f20 mm/memory.c:4030
 handle_pte_fault mm/memory.c:6105 [inline]
 __handle_mm_fault+0x2223/0x5490 mm/memory.c:6232
 handle_mm_fault+0x589/0xd10 mm/memory.c:6401
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f205fd4cd9f
RSP: 002b:00007ffc8597ac70 EFLAGS: 00010206
RAX: 0000000000018a41 RBX: 0000000000008040 RCX: 00005555847ce590
RDX: 0000000000008041 RSI: 00005555847d65c0 RDI: 0000000000000004
RBP: 00007f205ff84ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000802 R12: 0000000000008030
R13: 0000000000000076 R14: 00007f205ff84d00 R15: 0000000000000000
 </TASK>