rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2680 jiffies s: 28833 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21113 Comm: syz-executor.3 Not tainted 6.5.0-rc3-syzkaller-00020-gaf2e19389c2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:iterate_chain_key kernel/locking/lockdep.c:448 [inline]
RIP: 0010:__lock_acquire+0xd22/0x5de0 kernel/locking/lockdep.c:5132
Code: c1 c2 06 31 ca 01 d8 89 d1 29 d3 c1 c1 08 89 dd 01 c2 31 cd 89 e9 29 e8 01 d5 c1 c1 10 89 ee 31 c1 89 c8 29 ca 01 e9 c1 c8 0d <31> c2 89 d0 29 d6 01 ca c1 c0 04 89 d2 31 f0 48 c1 e0 20 48 09 d0
RSP: 0018:ffffc900000077d8 EFLAGS: 00000096
RAX: 0000000062d70f17 RBX: 000000000002dac5 RCX: 00000000df07e984
RDX: 000000001e1a2d96 RSI: 00000000fd24fd2a RDI: ffffffff918ddaf0
RBP: 00000000fd24fd2a R08: 0000000000000000 R09: fffffbfff23095fd
R10: ffffffff9184afef R11: 0000000000000001 R12: ffff888077ef64ca
R13: ffff888077ef64a8 R14: 00000000ffffffff R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7fe3b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002fb22000 CR3: 000000001f467000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5761 [inline]
 lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xd5/0xc60 net/sched/sch_taprio.c:935
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x42/0xc0 arch/x86/kernel/apic/apic.c:1109
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:taprio_dequeue_tc_priority+0x289/0x4b0 net/sched/sch_taprio.c:801
Code: 48 8b 04 24 0f b6 00 38 44 24 36 7c 08 84 c0 0f 85 bf 01 00 00 8b 33 8b 4c 24 30 48 8b 54 24 38 48 8b 7c 24 20 e8 a7 f4 ff ff <49> 83 ff 10 48 89 44 24 08 0f 87 87 01 00 00 49 83 ff 0f 0f 87 69
RSP: 0018:ffffc90000007d70 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffff88807a854394 RCX: 0000000000000100
RDX: ffff888077ef5940 RSI: ffffffff88597730 RDI: ffff88802b2a48d8
RBP: 0000000000000008 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: ffffc90000007ff8 R12: 0000000000000010
R13: ffff888075d88b60 R14: 0000000000000000 R15: 0000000000000001
 taprio_dequeue+0x12e/0x5f0 net/sched/sch_taprio.c:868
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1c4/0x19d0 net/sched/sch_generic.c:415
 qdisc_run include/net/pkt_sched.h:125 [inline]
 qdisc_run include/net/pkt_sched.h:122 [inline]
 net_tx_action+0x71e/0xc80 net/core/dev.c:5049
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 do_softirq kernel/softirq.c:454 [inline]
 do_softirq+0xaa/0xe0 kernel/softirq.c:441
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 taprio_change+0x2be4/0x3890 net/sched/sch_taprio.c:1996
 taprio_init+0x6c4/0x950 net/sched/sch_taprio.c:2126
 qdisc_create+0x4f7/0x10a0 net/sched/sch_api.c:1326
 tc_modify_qdisc+0x4a4/0x1bf0 net/sched/sch_api.c:1720
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6424
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fe8579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7fe35ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200007c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>