rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=57ec/1/0x4000000000000000 softirq=32368/32369 fqs=1
rcu: 	(detected by 1, t=10502 jiffies, g=47545, q=375 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5083 Comm: syz-executor.1 Not tainted 6.9.0-rc5-syzkaller-00159-gc942a0cd3603 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:div64_u64 include/linux/math64.h:69 [inline]
RIP: 0010:taprio_set_budgets+0x1e1/0x370 net/sched/sch_taprio.c:669
Code: ac 75 f8 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 67 aa 75 f8 48 89 e8 31 d2 48 f7 33 <48> 89 c5 bf 11 00 00 00 4c 89 fe e8 cf 9d 14 f8 49 83 ff 10 0f 87
RSP: 0018:ffffc90000007c30 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88805bfd22e0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88805bfd22e0
RBP: 0000000000000000 R08: ffff88805bfd22e7 R09: 1ffff1100b7fa45c
R10: dffffc0000000000 R11: ffffed100b7fa45d R12: 0000000000000004
R13: ffff8880232dc808 R14: ffff8880232dc800 R15: 0000000000000001
FS:  00005555796ab480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555796bc978 CR3: 0000000029fc6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0x98d/0xca0 net/sched/sch_taprio.c:977
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__es_remove_extent+0x19be/0x1f70 fs/ext4/extents_status.c:1480
Code: 48 ef a5 ff e9 0f eb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c dd f3 ff ff 4c 89 ef e8 2a ef a5 ff e9 d0 f3 ff ff 44 89 f1 <80> e1 07 80 c1 03 38 c1 0f 8c 39 fe ff ff 4c 89 f7 e8 fc ef a5 ff
RSP: 0018:ffffc90003657780 EFLAGS: 00000202
RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000003657a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffc900036578b0
RBP: ffffc90003657990 R08: ffffffff8251165b R09: 1ffffffff25e00b3
R10: dffffc0000000000 R11: fffffbfff25e00b4 R12: 0000000000000000
R13: ffff88801dcfe050 R14: ffffc90003657a00 R15: dffffc0000000000
 ext4_es_remove_extent+0x27c/0x570 fs/ext4/extents_status.c:1525
 ext4_ext_truncate+0x145/0x2b0 fs/ext4/extents.c:4437
 ext4_truncate+0xa18/0x1180 fs/ext4/inode.c:4146
 ext4_evict_inode+0x90f/0xf50 fs/ext4/inode.c:258
 evict+0x2a8/0x630 fs/inode.c:667
 d_delete_notify include/linux/fsnotify.h:307 [inline]
 vfs_rmdir+0x38f/0x4c0 fs/namei.c:4219
 do_rmdir+0x3b5/0x580 fs/namei.c:4265
 __do_sys_unlinkat fs/namei.c:4441 [inline]
 __se_sys_unlinkat fs/namei.c:4435 [inline]
 __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4435
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ad5c7d687
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff7e994178 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f3ad5c7d687
RDX: 0000000000000200 RSI: 00007fff7e9952f0 RDI: 00000000ffffff9c
RBP: 00007f3ad5cc93b9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007fff7e9952f0
R13: 00007f3ad5cc93b9 R14: 000000000004894b R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g47545 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:24880 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x1796/0x4a00 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6838
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f0/0x390 kernel/kthread.c:388
 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:
CPU: 1 PID: 1104 Comm: kworker/u8:6 Not tainted 6.9.0-rc5-syzkaller-00159-gc942a0cd3603 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1894/0x2a00 kernel/smp.c:855
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 15 db 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 c0 d6 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 a4 d6
RSP: 0018:ffffc9000501f6e0 EFLAGS: 00000293
RAX: ffffffff818a29cc RBX: 1ffff11017288c45 RCX: ffff888022e11e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000501f8e0 R08: ffffffff818a299b R09: 1ffffffff25e00a0
R10: dffffc0000000000 R11: fffffbfff25e00a1 R12: dffffc0000000000
R13: ffff8880b9446228 R14: ffff8880b953f780 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd3957abf8 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: ffffffffffffffff DR1: 0000000080000001 DR2: 0000000000000001
DR3: fffffffffffffffd DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2086 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2296
 text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:826
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 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>