rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (2 ticks this GP) idle=066c/1/0x4000000000000000 softirq=6878/6878 fqs=0
rcu: 	(detected by 0, t=10505 jiffies, g=6353, q=82 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5154 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00331-gb8f1fa2419c1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:separate_irq_context kernel/locking/lockdep.c:4613 [inline]
RIP: 0010:__lock_acquire+0xd1c/0x1fd0 kernel/locking/lockdep.c:5120
Code: e8 29 24 7d 00 48 bf 00 00 00 00 00 fc ff df 4c 89 65 00 48 8b 44 24 40 0f b6 04 38 84 c0 0f 85 f2 0b 00 00 48 8b 04 24 8b 18 <48> 85 db 74 59 83 fb 31 0f 83 dd 10 00 00 48 8d 04 9b 48 8b 4c 24
RSP: 0018:ffffc900001f0910 EFLAGS: 00000046
RAX: ffff888026c02878 RBX: 0000000000000003 RCX: ffffffff816d390c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff888026c028f8 R08: ffffffff90dd4367 R09: 1ffffffff21ba86c
R10: dffffc0000000000 R11: fffffbfff21ba86d R12: 49da982df18c1733
R13: ffff888026c01dc0 R14: 0000000000000000 R15: ffff888026c02918
FS:  00007f4f6ff566c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000050de10 CR3: 000000001eabc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5753
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x163/0x530 lib/debugobjects.c:717
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x30/0x320 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0x6c0/0xd20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x3a0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 3e 27 c9 f6 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 33 75 3f f6 65 8b 05 f4 82 e2 74 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900049deac0 EFLAGS: 00000206
RAX: 22d6e45bff639900 RBX: 1ffff9200093bd5c RCX: ffffffff816d967a
RDX: dffffc0000000000 RSI: ffffffff8b6aaf40 RDI: 0000000000000001
RBP: ffffc900049deb50 R08: ffffffff90dd4427 R09: 1ffffffff21ba884
R10: dffffc0000000000 R11: fffffbfff21ba885 R12: dffffc0000000000
R13: 1ffff9200093bd58 R14: ffffc900049deae0 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 taprio_change+0x49af/0x5870 net/sched/sch_taprio.c:1993
 taprio_init+0x9dc/0xc80 net/sched/sch_taprio.c:2134
 qdisc_create+0x9d3/0x1190 net/sched/sch_api.c:1326
 tc_modify_qdisc+0xa13/0x1d80 net/sched/sch_api.c:1747
 rtnetlink_rcv_msg+0x882/0x1030 net/core/rtnetlink.c:6558
 netlink_rcv_skb+0x1df/0x430 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x7e6/0x980 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0xa37/0xd70 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x592/0x890 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x454b09
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b4 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4f6ff560f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000454b09
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 0000000000000a44 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004e4d00
R13: 00007f4f6ff56674 R14: 000000000054bf00 R15: 000000000050de00
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10504 jiffies! g6353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=4573
rcu: rcu_preempt kthread starved for 10505 jiffies! g6353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26256 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 schedule_timeout+0x1bd/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x30a/0x1500 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1830
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>