rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2640 jiffies s: 42313 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 UID: 0 PID: 10618 Comm: syz.0.1455 Not tainted 6.11.0-rc6-syzkaller-01180-gbfba7bc8b7c2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:memset_orig+0x75/0xb0 arch/x86/lib/memset_64.S:90 Code: 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 <48> 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 4c RSP: 0018:ffffc90000a18c38 EFLAGS: 00000002 RAX: 0000000000000000 RBX: ffffc90000a18c90 RCX: 0000000000000001 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000a18c80 RBP: ffffc90000a18d30 R08: ffffc90000a18c8f R09: 0000000000000000 R10: ffffc90000a18c80 R11: fffff52000143192 R12: ffffc90000a18c80 R13: ffff888046af7340 R14: dffffc0000000000 R15: 1ffff9200014318c FS: 00007f9859abf6c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2c70ca6f98 CR3: 0000000046452000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_object_deactivate+0x9a/0x390 lib/debugobjects.c:754 debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline] debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484 __run_hrtimer kernel/time/hrtimer.c:1657 [inline] __hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 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 4e 39 36 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 73 67 9e f5 65 8b 05 c4 3a 3f 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc9000343ede0 EFLAGS: 00000206 RAX: 36a3c0984a472800 RBX: 1ffff92000687dc0 RCX: ffffffff81703fea RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: 0000000000000001 RBP: ffffc9000343ee70 R08: ffffffff941e79bf R09: 1ffffffff283cf37 R10: dffffc0000000000 R11: fffffbfff283cf38 R12: dffffc0000000000 R13: 1ffff92000687dbc R14: ffffc9000343ee00 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x26d2/0x44c0 net/sched/sch_taprio.c:1972 taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2113 qdisc_create+0x9d4/0x11a0 net/sched/sch_api.c:1355 tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1777 rtnetlink_rcv_msg+0x73f/0xcf0 net/core/rtnetlink.c:6646 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9858d7def9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9859abf038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9858f35f80 RCX: 00007f9858d7def9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007f9858df09f6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9858f35f80 R15: 00007fffdcb8da18 IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available IPVS: sed: UDP 224.0.0.2:0 - no destination available