rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 ticks this GP) idle=e8b/1/0x4000000000000000 softirq=9454/9454 fqs=0 
	(detected by 1, t=10502 jiffies, g=11333, q=329)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3569 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:35 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:lock_is_held_type+0x65/0x180 kernel/locking/lockdep.c:5662
Code: 00 00 65 4c 8b 2d bb 1f ce 75 41 83 bd ec 0a 00 00 00 0f 85 db 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 00 39 8b 8a e8 0a 12 00 00 65 ff 05 c3 28
RSP: 0018:ffffc90000007c78 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8880795f1dc0
RDX: ffff8880795f1dc0 RSI: 00000000ffffffff RDI: ffff888074220300
RBP: 00000000ffffffff R08: ffffffff88819d4b R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888074220000
R13: ffff8880795f1dc0 R14: 00000000ffffffff R15: ffff888074220300
FS:  000055558d5c7500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003c80 CR3: 0000000066b2b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:287 [inline]
 advance_sched+0x13d/0x940 net/sched/sch_taprio.c:721
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:synchronize_rcu+0x0/0x1a0 kernel/rcu/tree.c:3790
Code: e8 c5 db 5e 00 e9 68 fd ff ff 48 c7 c7 20 49 92 8c 48 89 de e8 b1 e0 bf 02 e9 b5 fa ff ff e8 87 04 c9 08 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00
RSP: 0018:ffffc90002337bf8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000466f88 RCX: ffffffff96868f03
RDX: 0000000000000001 RSI: ffffffff8a8b3900 RDI: ffffffff8ad904c0
RBP: ffffc90002337cd8 R08: dffffc0000000000 R09: fffffbfff2d073cd
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff96838788
R13: 1ffff92000466f84 R14: 0000000000000a03 R15: ffffc90002337c40
 lockdep_unregister_key+0x4e6/0x5b0 kernel/locking/lockdep.c:6319
 wq_unregister_lockdep kernel/workqueue.c:3518 [inline]
 destroy_workqueue+0x81f/0xae0 kernel/workqueue.c:4485
 xfs_destroy_mount_workqueues+0xd3/0x100 fs/xfs/xfs_super.c:576
 xfs_fs_put_super+0x22c/0x2b0 fs/xfs/xfs_super.c:1103
 generic_shutdown_super+0x136/0x2c0 fs/super.c:475
 kill_block_super+0x7a/0xe0 fs/super.c:1425
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa0911b6227
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff0a53a748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa091227a14 RCX: 00007fa0911b6227
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff0a53a800
RBP: 00007fff0a53a800 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff0a53b880
R13: 00007fa091227a14 R14: 00000000000161dd R15: 00007fff0a53b8c0
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g11333 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=4797
rcu: rcu_preempt kthread starved for 10502 jiffies! g11333 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27032 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3569 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:rcu_lock_release+0x0/0x20 include/linux/rcupdate.h:316
Code: 36 c0 fe f8 48 c7 c7 60 fc 91 8c 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 68 35 9a 81 88 e8 f6 12 e1 f8 48 83 c4 08 c3 90 <e8> 0b c0 fe f8 e8 06 c0 fe f8 48 c7 c7 60 fc 91 8c 48 c7 c6 65 9a
RSP: 0018:ffffc90000007cb8 EFLAGS: 00000087
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8880795f1dc0
RDX: 0000000000010000 RSI: ffffffff8ad904a0 RDI: ffffffff8ad90460
RBP: ffff8880742202e8 R08: ffffffff8881a380 R09: ffffed100e844032
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074220000
R13: ffff888074220360 R14: dffffc0000000000 R15: 17ffa2f648000000
FS:  000055558d5c7500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003c80 CR3: 0000000066b2b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 advance_sched+0x7d4/0x940 net/sched/sch_taprio.c:771
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:synchronize_rcu+0x0/0x1a0 kernel/rcu/tree.c:3790
Code: e8 c5 db 5e 00 e9 68 fd ff ff 48 c7 c7 20 49 92 8c 48 89 de e8 b1 e0 bf 02 e9 b5 fa ff ff e8 87 04 c9 08 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00
RSP: 0018:ffffc90002337bf8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000466f88 RCX: ffffffff96868f03
RDX: 0000000000000001 RSI: ffffffff8a8b3900 RDI: ffffffff8ad904c0
RBP: ffffc90002337cd8 R08: dffffc0000000000 R09: fffffbfff2d073cd
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff96838788
R13: 1ffff92000466f84 R14: 0000000000000a03 R15: ffffc90002337c40
 lockdep_unregister_key+0x4e6/0x5b0 kernel/locking/lockdep.c:6319
 wq_unregister_lockdep kernel/workqueue.c:3518 [inline]
 destroy_workqueue+0x81f/0xae0 kernel/workqueue.c:4485
 xfs_destroy_mount_workqueues+0xd3/0x100 fs/xfs/xfs_super.c:576
 xfs_fs_put_super+0x22c/0x2b0 fs/xfs/xfs_super.c:1103
 generic_shutdown_super+0x136/0x2c0 fs/super.c:475
 kill_block_super+0x7a/0xe0 fs/super.c:1425
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa0911b6227
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff0a53a748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa091227a14 RCX: 00007fa0911b6227
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff0a53a800
RBP: 00007fff0a53a800 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff0a53b880
R13: 00007fa091227a14 R14: 00000000000161dd R15: 00007fff0a53b8c0
 </TASK>