rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=ba54/1/0x4000000000000000 softirq=116993/116994 fqs=3
rcu: 	(detected by 0, t=10502 jiffies, g=118785, q=358 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 23596 Comm: syz.2.7273 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_release+0x171/0x3c0
Code: 7c 24 14 74 25 ff c9 48 89 ca 48 c1 e2 15 48 be ff ff 1f 00 ff ff ff ff 48 21 f0 48 09 d0 48 89 45 20 85 c9 0f 85 e6 00 00 00 <45> 89 af 98 0b 00 00 48 8b 45 00 49 89 87 90 0b 00 00 41 39 fd 0f
RSP: 0018:ffffc90000a08ca8 EFLAGS: 00000046
RAX: 94000000000a4007 RBX: 0000000000000006 RCX: 0000000000000000
RDX: 0000000000010000 RSI: ffffffff8eb59c60 RDI: 0000000000000001
RBP: ffff88811aaea9d0 R08: ffff88816268119f R09: 1ffff1102c4d0233
R10: dffffc0000000000 R11: ffffed102c4d0234 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8eb59c60 R15: ffff88811aae9e00
FS:  00007fcf562246c0(0000) GS:ffff8882a8f56000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a82baed40 CR3: 0000000119b6a000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 advance_sched+0xb13/0xc80
 __hrtimer_run_queues+0x3bc/0xa10
 hrtimer_interrupt+0x448/0x910
 __sysvec_apic_timer_interrupt+0x102/0x430
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_check_range+0x67/0x2c0
Code: 00 ff 4c 39 cf 0f 82 14 02 00 00 49 89 ff 49 c1 ef 03 49 ba 00 00 00 00 00 fc ff df 4f 8d 1c 17 49 ff c8 4d 89 c1 49 c1 e9 03 <48> bb 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83
RSP: 0018:ffffc90008a7f480 EFLAGS: 00000a03
RAX: ffffffff82418901 RBX: ffff88810516453c RCX: ffffffff82418986
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810516453c
RBP: 0000000000000000 R08: ffff88810516453f R09: 1ffff11020a2c8a7
R10: dffffc0000000000 R11: ffffed1020a2c8a7 R12: 0000000000000001
R13: ffff8881051644f0 R14: 0000000000000000 R15: 1ffff11020a2c8a7
 __page_table_check_zero+0x1f6/0x430
 free_unref_folios+0xdd2/0x14e0
 folios_put_refs+0x9e9/0xb30
 shmem_undo_range+0x4e6/0x15d0
 shmem_evict_inode+0x247/0xae0
 evict+0x624/0xb50
 dentry_kill+0x1b9/0x880
 finish_dput+0x1a/0x260
 __fput+0x675/0xa50
 fput_close_sync+0x11f/0x240
 __x64_sys_close+0x7e/0x110
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcf5535e90e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fcf56223da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fcf562246c0 RCX: 00007fcf5535e90e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fcf56223ee0 R14: 00007fcf56223ea0 R15: 00007fcf4b000000
 </TASK>
rcu: rcu_preempt kthread starved for 10496 jiffies! g118785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27752 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 schedule_timeout+0x152/0x2c0
 rcu_gp_fqs_loop+0x30c/0x11f0
 rcu_gp_kthread+0x9e/0x2b0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 82 Comm: kworker/u9:3 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:smp_call_function_many_cond+0x11eb/0x15f0
Code: 1e 89 de 83 e6 01 31 ff e8 42 21 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 ee 1c 0c 00 eb 37 f3 90 41 0f b6 04 1c <84> c0 75 10 41 f7 06 01 00 00 00 74 1e e8 d3 1c 0c 00 eb e5 44 89
RSP: 0018:ffffc9000231f700 EFLAGS: 00000293
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888102b05a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000231f860 R08: ffffffff90573337 R09: 1ffffffff20ae666
R10: dffffc0000000000 R11: fffffbfff20ae667 R12: 1ffff110478c81e1
R13: ffff88812103c4c8 R14: ffff88823c640f08 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88818d956000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f134d1ed158 CR3: 000000000e946000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0x5fd/0x1110
 arch_jump_label_transform_apply+0x1c/0x30
 static_key_enable_cpuslocked+0x128/0x240
 static_key_enable+0x1a/0x20
 toggle_allocation_gate+0xab/0x290
 process_scheduled_works+0xa8e/0x14e0
 worker_thread+0xa47/0xfb0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
