rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2687 jiffies s: 553 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: 5076 Comm: syz-executor105 Not tainted 6.8.0-rc4-syzkaller-00005-gc664e16bb1ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:get_current arch/x86/include/asm/current.h:42 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:206 Code: 8b 3d a4 a5 1a 0c 48 89 de 5b e9 33 cc 56 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d b0 52 70 7e 65 8b 15 b1 52 70 7e f7 c2 00 01 ff 00 74 RSP: 0018:ffffc90000007d58 EFLAGS: 00000046 RAX: ffffffff8181d3ac RBX: 1ffff11005817155 RCX: ffffc90000007b03 RDX: 0000000000000002 RSI: ffffffff8baac760 RDI: ffffffff8bfe6820 RBP: ffffc90000007ea8 R08: ffffffff8f855a6f R09: 1ffffffff1f0ab4d R10: dffffc0000000000 R11: fffffbfff1f0ab4e R12: 1ffff1101728575b R13: 0000000000000001 R14: ffff88802b5cf340 R15: ffff88802c0b8aa8 FS: 0000555555a4d380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f217c7950f0 CR3: 000000002ea70000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] static_key_false include/linux/jump_label.h:207 [inline] trace_hrtimer_expire_exit include/trace/events/timer.h:306 [inline] __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x5bc/0xd00 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 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 4e 4a 84 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 33 0d f3 f5 65 8b 05 84 7f 92 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90003d1ea60 EFLAGS: 00000206 RAX: 6297e5864c5f6300 RBX: 1ffff920007a3d50 RCX: ffffffff8171882a RDX: dffffc0000000000 RSI: ffffffff8baab5e0 RDI: 0000000000000001 RBP: ffffc90003d1eaf0 R08: ffffffff92c8a4e7 R09: 1ffffffff259149c R10: dffffc0000000000 R11: fffffbfff259149d R12: dffffc0000000000 R13: 1ffff920007a3d4c R14: ffffc90003d1ea80 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x4912/0x57d0 net/sched/sch_taprio.c:1993 taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2134 qdisc_create+0x9d4/0x1190 net/sched/sch_api.c:1355 tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1776 rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6615 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367 netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f217c718ba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdcc673e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f217c718ba9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000100000000 R09: 0000000100000000 R10: 0000000100000000 R11: 0000000000000246 R12: 00007ffdcc673ea0 R13: 0000000000000001 R14: 00007ffdcc673ea0 R15: 0000000000000003 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.363 msecs