rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5593/1:b..l P5588/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=23381, q=1559843 ncpus=1)
task:syz-executor    state:R  running task     stack:25176 pid:5588  tgid:5588  ppid:5581   task_flags:0x40050c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7413
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 zap_pte_range mm/memory.c:1964 [inline]
 zap_pmd_range mm/memory.c:2020 [inline]
 zap_pud_range mm/memory.c:2048 [inline]
 zap_p4d_range mm/memory.c:2069 [inline]
 __zap_vma_range+0x16f5/0x4a40 mm/memory.c:2109
 unmap_vmas+0x299/0x5f0 mm/memory.c:2178
 exit_mmap+0x1ef/0xa00 mm/mmap.c:1300
 __mmput+0x12a/0x410 kernel/fork.c:1187
 mmput+0x67/0x80 kernel/fork.c:1210
 exit_mm kernel/exit.c:615 [inline]
 do_exit+0x8b1/0x2ae0 kernel/exit.c:997
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1152
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3046
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9712359257
RSP: 002b:00007ffe3d21ffe0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000055556dbeb500 RCX: 00007f9712359257
RDX: 0000000040000000 RSI: 00007ffe3d22003c RDI: ffffffffffffffff
RBP: 00007ffe3d22003c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffe3d220298 R15: 0000000000000000
 </TASK>
task:syz-executor    state:R  running task     stack:22376 pid:5593  tgid:5593  ppid:5589   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:23 [inline]
RIP: 0010:lock_acquire+0x4a/0x370 kernel/locking/lockdep.c:5831
Code: 65 4c 8b 3d a0 3b 7d 12 4c 89 7c 24 30 4d 89 cf 66 90 65 8b 05 bb 3b 7d 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 46 8f 3b 0f <0f> 82 ac 02 00 00 8b 35 0e c3 3b 0f 85 f6 0f 85 c7 00 00 00 48 8b
RSP: 0018:ffffc90003c8f290 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ebe8200
RBP: ffffffff8ebe8200 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000019820 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 rcu_read_lock include/linux/rcupdate.h:840 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1183 [inline]
 unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __reset_page_owner+0x84/0x190 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 free_unref_folios+0xa44/0x1710 mm/page_alloc.c:3011
 folios_put_refs+0x585/0xaa0 mm/swap.c:1057
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 shmem_undo_range+0x5e5/0x1570 mm/shmem.c:1159
 shmem_truncate_range mm/shmem.c:1287 [inline]
 shmem_evict_inode+0x3a5/0xbe0 mm/shmem.c:1417
 evict+0x3c2/0xad0 fs/inode.c:825
 iput_final fs/inode.c:2019 [inline]
 iput.part.0+0x989/0x1050 fs/inode.c:2068
 iput+0x35/0x40 fs/inode.c:2034
 filename_unlinkat+0x466/0x730 fs/namei.c:5589
 __do_sys_unlink fs/namei.c:5620 [inline]
 __se_sys_unlink fs/namei.c:5617 [inline]
 __x64_sys_unlink+0x46/0x70 fs/namei.c:5617
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f519819d1c7
RSP: 002b:00007ffdb9f57898 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f519819d1c7
RDX: 00007ffdb9f578c0 RSI: 00007ffdb9f57950 RDI: 00007ffdb9f57950
RBP: 00007ffdb9f57950 R08: 00007ffdb9f58950 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffdb9f589e0
R13: 00007f5198234474 R14: 0000000000026d64 R15: 00007ffdb9f58a20
 </TASK>