rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2651 jiffies s: 2157 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: 5437 Comm: syz-executor.0 Not tainted 6.6.0-rc4-next-20231003-syzkaller-gc9f2baaa18b5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:143 [inline] RIP: 0010:cpumask_check include/linux/cpumask.h:150 [inline] RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:504 [inline] RIP: 0010:cpu_online include/linux/cpumask.h:1104 [inline] RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline] RIP: 0010:lock_release+0x81/0x680 kernel/locking/lockdep.c:5764 Code: f1 f1 04 f2 c7 40 08 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00 00 00 31 c0 0f 1f 44 00 00 65 8b 1d bb f9 9a 7e <83> fb 07 0f 87 09 05 00 00 89 db be 08 00 00 00 48 89 d8 48 c1 e8 RSP: 0018:ffffc90000007c40 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 1ffff110049aa50f RSI: ffffffff84305df4 RDI: ffffffff8d5832e0 RBP: 1ffff92000000f8a R08: 0000000000000000 R09: fffffbfff2341fd0 R10: ffffffff91a0fe87 R11: 000000000000020f R12: ffffffff8d5832e0 R13: ffff88807837b340 R14: ffffffff8a8f2b20 R15: 1ffff92000000fa6 FS: 00007f9d8d2a46c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000001f8d9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_objects_fill_pool lib/debugobjects.c:616 [inline] debug_object_activate+0x158/0x490 lib/debugobjects.c:713 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline] debug_activate kernel/time/hrtimer.c:477 [inline] enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087 __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0xa0a/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:1063 [inline] __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1074 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 96 f7 1e f7 48 89 df e8 8e 76 1f f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 35 c6 10 f7 65 8b 05 a6 f1 b9 75 85 c0 74 12 5b RSP: 0018:ffffc90004e7f0b0 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff88807837b2e8 RCX: 1ffffffff234beb6 RDX: 0000000000000000 RSI: ffffffff8a8caa20 RDI: ffffffff8ae97a20 RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff2341fe8 R10: ffffffff91a0ff47 R11: 0000000000000002 R12: 7fffffffffffffff R13: 0000000000000002 R14: 0000000000000040 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+0x4f7/0x10a0 net/sched/sch_api.c:1326 tc_modify_qdisc+0x4d9/0x1c40 net/sched/sch_api.c:1747 rtnetlink_rcv_msg+0x3c4/0xdf0 net/core/rtnetlink.c:6480 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/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:2558 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2612 __sys_sendmsg+0x117/0x1e0 net/socket.c:2641 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9d8c079829 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:00007f9d8d2a40c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9d8c18bf60 RCX: 00007f9d8c079829 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007f9d8c0d5074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9d8c18bf60 R15: 00007fff88085e88