rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2673 jiffies s: 2153 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: 5438 Comm: syz-executor.0 Not tainted 6.6.0-rc6-next-20231020-syzkaller-13906-g2030579113a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:rb_link_node include/linux/rbtree.h:62 [inline]
RIP: 0010:rb_add_cached include/linux/rbtree.h:182 [inline]
RIP: 0010:timerqueue_add+0x1ee/0x330 lib/timerqueue.c:40
Code: f0 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 f7 99 4d f7 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 f9 00 00 00 48 8d 7d 08 48 c7 45 00 00 00 00 00 48 b8 00 00
RSP: 0018:ffffc90000007dc0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8a3b4a48
RDX: 1ffff11004025668 RSI: ffffffff8a3b4bd9 RDI: 0000000000000006
RBP: ffff88802012b340 R08: 0000000000000006 R09: ffff88802012b340
R10: ffff88802012b340 R11: dffffc0000000000 R12: ffff8880b982b940
R13: 0000000000000002 R14: 0000000000000000 R15: ffffffff886cd540
FS:  00007f109d5746c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000001d6af000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 enqueue_hrtimer+0x17a/0x320 kernel/time/hrtimer.c:1094
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa07/0xc00 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x10c/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x8e/0xc0 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+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 56 73 1c f7 48 89 df e8 8e f2 1c f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 35 49 0e f7 65 8b 05 e6 ff b6 75 85 c0 74 12 5b
RSP: 0018:ffffc900052bf0b8 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff88802012b2e8 RCX: 1ffffffff234abde
RDX: 0000000000000000 RSI: ffffffff8a8cbfa0 RDI: ffffffff8ae99bc0
RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff2340de0
R10: ffffffff91a06f07 R11: 0000000000000002 R12: 7fffffffffffffff
R13: 0000000000000002 R14: 0000000000000004 R15: 0000000000000000
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 taprio_change+0x28cb/0x38a0 net/sched/sch_taprio.c:1993
 taprio_init+0x6c4/0x950 net/sched/sch_taprio.c:2134
 qdisc_create+0x4f7/0x10b0 net/sched/sch_api.c:1326
 tc_modify_qdisc+0x4de/0x1c40 net/sched/sch_api.c:1747
 rtnetlink_rcv_msg+0x3c7/0xe00 net/core/rtnetlink.c:6471
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x939/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2588
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2642
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2671
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f109c4798a9
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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f109d5740c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f109c58bf60 RCX: 00007f109c4798a9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00007f109c4d5074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f109c58bf60 R15: 00007ffd5b030018
 </TASK>