rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5951/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=18597, q=58413 ncpus=2)
task:syz-executor246 state:R  running task     stack:25808 pid:5951  tgid:5943  ppid:5942   task_flags:0x400040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:681
RIP: 0010:lock_release+0x2d7/0x3c0 kernel/locking/lockdep.c:5893
Code: 9b 9f 11 00 00 00 00 eb b5 e8 b5 eb 16 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 45 56 9f 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 22 97 94
RSP: 0018:ffffc9000323f2a8 EFLAGS: 00000282
RAX: 81407f8a52673300 RBX: 0000000000000206 RCX: 0000000000000046
RDX: 0000000000000002 RSI: ffffffff8e26858e RDI: ffffffff8c2ac980
RBP: ffff88802743e8f0 R08: ffffc9000323f6f0 R09: 0000000000000000
R10: ffffc9000323f3d8 R11: fffff52000647e7d R12: 0000000000000002
R13: 0000000000000002 R14: ffffffff8e959c60 R15: ffff88802743dd00
 rcu_lock_release include/linux/rcupdate.h:310 [inline]
 rcu_read_unlock include/linux/rcupdate.h:871 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1183 [inline]
 unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 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+0xd84/0x14a0 mm/page_alloc.c:3011
 folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1159
 shmem_truncate_range+0x33/0xa0 mm/shmem.c:1287
 shmem_setattr+0xa04/0xd70 mm/shmem.c:1372
 notify_change+0xbba/0xea0 fs/attr.c:556
 do_truncate+0x1c2/0x250 fs/open.c:68
 do_ftruncate+0x4d4/0x580 fs/open.c:194
 ksys_ftruncate fs/open.c:206 [inline]
 __do_sys_ftruncate fs/open.c:211 [inline]
 __se_sys_ftruncate fs/open.c:209 [inline]
 __x64_sys_ftruncate+0x8f/0xe0 fs/open.c:209
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09edf02c57
RSP: 002b:00007f09ea6c81b8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f09edf02c57
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
RBP: 000000000000000f R08: 00007f0900000000 R09: 00007f0900000000
R10: 0000000000100000 R11: 0000000000000246 R12: ffffffffffffffd0
R13: 0000000000000000 R14: 00007ffee9d93460 R15: 00007ffee9d93548
 </TASK>