rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6356/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=13853, q=352 ncpus=2)
task:syz-executor.3  state:R  running task     stack:25424 pid:6356  tgid:6355  ppid:5106   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline]
RIP: 0010:lock_is_held_type+0x67/0x190 kernel/locking/lockdep.c:5821
Code: f1 00 00 00 65 4c 8b 2c 25 80 d4 03 00 41 83 bd dc 0a 00 00 00 0f 85 da 00 00 00 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c <8f> 04 24 4c 8b 24 24 fa 48 c7 c7 60 c8 ca 8b e8 55 1b 00 00 65 ff
RSP: 0018:ffffc90014a9f6d0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffff88801a37bc00
RDX: ffff88801a37bc00 RSI: 00000000ffffffff RDI: ffff88805c00ecc8
RBP: 0000000000000001 R08: ffffffff8b781e43 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: ffffc90014a9f820
R13: ffff88801a37bc00 R14: 00000000ffffffff R15: ffff88805c00ecc8
 lock_is_held include/linux/lockdep.h:231 [inline]
 xa_head include/linux/xarray.h:1204 [inline]
 xas_start+0x21c/0x7b0 lib/xarray.c:190
 xas_load+0x2c/0x5c0 lib/xarray.c:238
 filemap_get_entry+0x1fe/0x4e0 mm/filemap.c:1840
 shmem_get_folio_gfp+0x2a8/0x1f50 mm/shmem.c:1982
 shmem_get_folio mm/shmem.c:2160 [inline]
 shmem_write_begin+0x170/0x4d0 mm/shmem.c:2743
 generic_perform_write+0x322/0x640 mm/filemap.c:4015
 shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2919
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd1ca7bdef
RSP: 002b:00007fbd1d791e80 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007fbd1ca7bdef
RDX: 0000000001000000 RSI: 00007fbd12800000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000005598
R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003
R13: 00007fbd1d791f80 R14: 00007fbd1d791f40 R15: 00007fbd12800000
 </TASK>
rcu: rcu_preempt kthread starved for 10535 jiffies! g13853 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:24912 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112