rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2662 jiffies s: 765 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5165 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00019-g6a98c9cae232 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:rcu_lockdep_current_cpu_online+0xb/0x140 kernel/rcu/tree.c:4071 Code: de 02 e9 d8 fe ff ff e8 73 88 68 00 e9 5c ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 65 8b 15 3d b1 95 7e <81> e2 00 00 f0 00 b8 01 00 00 00 75 0a 8b 15 c6 38 0a 0d 85 d2 75 RSP: 0018:ffffc900001e0d08 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 1ffff9200003c1a7 RCX: ffffffff81665fc0 RDX: 0000000000010203 RSI: 0000000000010204 RDI: ffffffff8c1199c8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e783f17 R10: fffffbfff1cf07e2 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880b992b818 R15: 0000000000000000 FS: 00007f86df87e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000051b730 CR3: 000000002b041000 CR4: 0000000000350ee0 Call Trace: rcu_read_lock_held_common kernel/rcu/update.c:112 [inline] rcu_read_lock_held_common kernel/rcu/update.c:102 [inline] rcu_read_lock_sched_held+0x29/0x70 kernel/rcu/update.c:123 trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x537/0x670 kernel/locking/lockdep.c:5640 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x266/0x1010 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline] __sysvec_apic_timer_interrupt+0x180/0x660 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:cpumask_check include/linux/cpumask.h:150 [inline] RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:487 [inline] RIP: 0010:cpu_online include/linux/cpumask.h:1065 [inline] RIP: 0010:trace_netlink_extack include/trace/events/netlink.h:9 [inline] RIP: 0010:do_trace_netlink_extack+0x41/0x2d0 net/netlink/af_netlink.c:156 Code: 48 c7 c3 00 41 78 8e e8 0d e3 36 f9 65 8b 2d 22 99 b5 77 48 b8 00 00 00 00 00 fc ff df 48 89 da 83 e3 07 48 c1 ea 03 83 c3 03 <0f> b6 04 02 38 c3 7c 08 84 c0 0f 85 4e 02 00 00 8b 1d 69 21 2a 06 RSP: 0018:ffffc900046af070 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 1ffffffff1cf0820 RSI: ffffffff884e1f63 RDI: ffffffff8b619e20 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: ffffffff8b619e20 R13: 0000000000000246 R14: ffff8880798640f0 R15: ffff888079864000 taprio_change+0x41c4/0x47f0 net/sched/sch_taprio.c:1946 taprio_init+0x64d/0x8c0 net/sched/sch_taprio.c:2077 qdisc_create+0x4d1/0x11b0 net/sched/sch_api.c:1295 tc_modify_qdisc+0x488/0x1a40 net/sched/sch_api.c:1680 rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6174 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg+0xde/0x190 net/socket.c:745 ____sys_sendmsg+0x71c/0x900 net/socket.c:2504 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2558 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2587 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x4645a9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f86df87e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004645a9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 000000000051b720 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007f86df87e6bc R14: 00000000ffffffff R15: 0000000000000003