rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2642 jiffies s: 1761 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: 5499 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00131-gf03359bca01b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:taprio_set_budgets+0x12b/0x370 net/sched/sch_taprio.c:666 Code: 00 00 00 4c 89 fe e8 14 a4 0b f8 49 83 ff 0f 0f 87 63 01 00 00 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 ef e8 ab 49 70 f8 4b 8b 2c 66 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc90000a08c30 EFLAGS: 00000046 RAX: 1ffff11004749781 RBX: ffff88823bd7c130 RCX: dffffc0000000000 RDX: 0000000000010203 RSI: 0000000000000001 RDI: 0000000000000010 RBP: 0000000000000000 R08: ffffffff898a718c R09: 1ffff11004749790 R10: dffffc0000000000 R11: ffffed1004749791 R12: 0000000000000004 R13: ffff888023a4bc08 R14: ffff888023a4bc00 R15: 0000000000000001 FS: 00007f9d1305d6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f48dc028908 CR3: 000000002bde4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: advance_sched+0x98d/0xca0 net/sched/sch_taprio.c:977 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 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 ee 8f 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d3 8c da f5 65 8b 05 34 a8 78 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc9000508ed80 EFLAGS: 00000206 RAX: dcc030082e05d700 RBX: 1ffff92000a11db4 RCX: ffffffff8172ffba RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 RBP: ffffc9000508ee10 R08: ffffffff92f355c7 R09: 1ffffffff25e6ab8 R10: dffffc0000000000 R11: fffffbfff25e6ab9 R12: dffffc0000000000 R13: 1ffff92000a11db0 R14: ffffc9000508eda0 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x339b/0x42d0 net/sched/sch_taprio.c:1974 qdisc_change net/sched/sch_api.c:1416 [inline] tc_modify_qdisc+0x190d/0x1e40 net/sched/sch_api.c:1746 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6595 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 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_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d1227cbe9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9d1305d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9d1239bf80 RCX: 00007f9d1227cbe9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000006 RBP: 00007f9d122c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9d1239bf80 R15: 00007fffe2540848