rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P14683/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=80701, q=975 ncpus=1)
task:syz.4.1619      state:R  running task     stack:26840 pid:14683 tgid:14683 ppid:11755  task_flags:0x40064c flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1190/0x5de0 kernel/sched/core.c:6961
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288
 irqentry_exit+0x36/0x90 kernel/entry/common.c:197
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:folio_test_swapcache include/linux/page-flags.h:632 [inline]
RIP: 0010:folio_contains include/linux/pagemap.h:962 [inline]
RIP: 0010:find_lock_entries+0x8c7/0xbf0 mm/filemap.c:2159
Code: 48 c1 e9 03 80 3c 01 00 0f 85 db 02 00 00 48 8b 02 31 ff 48 c1 e8 11 83 e0 01 89 c6 88 44 24 40 e8 0e d1 c8 ff 0f b6 44 24 40 <84> c0 0f 85 2c 01 00 00 e8 1c d6 c8 ff 48 8b 54 24 20 48 b8 00 00
RSP: 0018:ffffc9000acf7328 EFLAGS: 00000293
RAX: 0000000000000001 RBX: ffffea00015a0a40 RCX: ffffffff81f233f2
RDX: ffff888034a15a00 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000003e21 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff9200159ee6e
R13: ffffc9000acf7390 R14: fffffffffffffffe R15: 0000000000000001
 shmem_undo_range+0x216/0x1150 mm/shmem.c:1139
 shmem_truncate_range mm/shmem.c:1269 [inline]
 shmem_evict_inode+0x3a1/0xbe0 mm/shmem.c:1397
 evict+0x3e3/0x920 fs/inode.c:810
 iput_final fs/inode.c:1897 [inline]
 iput fs/inode.c:1923 [inline]
 iput+0x521/0x880 fs/inode.c:1909
 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:476
 task_work_run+0x14d/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86f/0x2bf0 kernel/exit.c:961
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102
 get_signal+0x2673/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:40 [inline]
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 irqentry_exit_to_user_mode+0x13e/0x290 kernel/entry/common.c:73
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x4021000
RSP: 002b:000000000000000a EFLAGS: 00010206
RAX: 0000000000000003 RBX: 00007f817b1d6180 RCX: 00007f817af8ec29
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000020003b46
RBP: 00007f817b011e41 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f817b1d6218 R14: 00007f817b1d6180 R15: 00007ffd1b7f5fb8
 </TASK>