rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P8383/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=92133, q=2999 ncpus=2)
task:syz.0.452       state:R  running task     stack:26888 pid:8383  tgid:8383  ppid:5840   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:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 44 15 fa 0b 48 89 de 5b e9 f3 b0 58 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 e0 9c 92 65 8b 15 28 81
RSP: 0018:ffffc900048f7120 EFLAGS: 00000246
RAX: ffffffff81f7b45e RBX: 000000000000020a RCX: ffff88802f9c1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd400025fdd1 R08: ffffea00012fee87 R09: 1ffffd400025fdd0
R10: dffffc0000000000 R11: fffff9400025fdd1 R12: 000000000000020a
R13: 1ffffd400025fdd0 R14: ffffea00012fee80 R15: 0000000000000000
 folio_nr_pages include/linux/mm.h:1976 [inline]
 folio_contains+0x1d9/0x2b0 include/linux/pagemap.h:935
 find_lock_entries+0x7a8/0xa60 mm/filemap.c:2158
 shmem_undo_range+0x254/0x14b0 mm/shmem.c:1107
 shmem_truncate_range mm/shmem.c:1237 [inline]
 shmem_evict_inode+0x272/0xa70 mm/shmem.c:1365
 evict+0x504/0x9c0 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:473
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6ad/0x22e0 kernel/exit.c:955
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1104
 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: 0033:0x7f4867dc11e5
RSP: 002b:00007f4865bb3f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f4867fb6160 RCX: 00007f4867dc11e5
RDX: 00007f4865bb3fc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f4867e10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f4867fb6160 R15: 00007ffd0d9cfac8
 </TASK>