rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P22971/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=129253, q=6298 ncpus=2)
task:syz.6.3306      state:R  running task     stack:24104 pid:22971 tgid:22971 ppid:21427  task_flags:0x40044c flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x77/0x360 kernel/locking/lockdep.c:5836
Code: 00 89 c0 48 0f a3 05 88 2c 03 0e 73 16 e8 51 f3 08 00 84 c0 75 0d f6 05 46 1d ed 0d 01 0f 84 d7 01 00 00 83 3d a9 5d 03 0e 00 <0f> 84 f0 00 00 00 48 8b b4 24 90 00 00 00 4c 89 ef e8 03 ce 85 00
RSP: 0018:ffffc9000dd06cd8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 693f6fc2266ff700
RDX: 0000000000000000 RSI: ffffffff8be2ea40 RDI: ffffffff8be2ea00
RBP: ffffffff81729af5 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc9000dd06e98 R11: ffffffff81acfbf0 R12: 0000000000000002
R13: ffffffff8e13ee20 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:841 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
 unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 save_stack+0xf5/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x71/0x1f0 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+0xc66/0x14d0 mm/page_alloc.c:2763
 folios_put_refs+0x559/0x640 mm/swap.c:992
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x49e/0x14b0 mm/shmem.c:1125
 shmem_truncate_range mm/shmem.c:1237 [inline]
 shmem_evict_inode+0x272/0xa70 mm/shmem.c:1365
 evict+0x501/0x9c0 fs/inode.c:810
 __dentry_kill+0x209/0x660 fs/dcache.c:669
 dput+0x19f/0x2b0 fs/dcache.c:911
 __fput+0x68e/0xa70 fs/file_table.c:476
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x22e0 kernel/exit.c:964
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6d998e929
RSP: 002b:00007ffe36e083f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffff92 RBX: 00000000001f677f RCX: 00007fb6d998e929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb6d9bb624c
RBP: 0000000000000032 R08: 7fffffffffffffff R09: 0000000e36e086ef
R10: 00007ffe36e084f0 R11: 0000000000000246 R12: 00007fb6d9bb624c
R13: 00007ffe36e084f0 R14: 00000000001f67b1 R15: 00007ffe36e08510
 </TASK>