rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2653 jiffies s: 69497 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: 19442 Comm: syz-executor.4 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:debug_object_deactivate+0xe8/0x390 lib/debugobjects.c:753 Code: 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 25 02 00 00 c7 44 24 54 00 00 00 00 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 42 80 3c 30 00 <74> 05 e8 01 ba 44 fd 4c 89 6c 24 58 49 8d 7c 24 20 48 89 f8 48 c1 RSP: 0018:ffffc90000007c40 EFLAGS: 00000046 RAX: 1ffff92000000f93 RBX: ffffc90000007c90 RCX: 0000000000000000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000007c98 RBP: ffffc90000007d30 R08: ffffc90000007c8f R09: ffffc90000007c80 R10: dffffc0000000000 R11: fffff52000000f92 R12: ffffc90000007c80 R13: ffff88806bc67340 R14: dffffc0000000000 R15: 1ffff92000000f8c FS: 00007f03c871c6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe21000 CR3: 00000000623f8000 CR4: 0000000000350ef0 Call Trace: debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline] debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484 __run_hrtimer kernel/time/hrtimer.c:1655 [inline] __hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x112/0x3f0 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 ae 87 6a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 73 37 d4 f5 65 8b 05 24 71 72 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc900046c6b20 EFLAGS: 00000206 RAX: dbeafd9b86324d00 RBX: 1ffff920008d8d68 RCX: ffffffff8172d80a RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001 RBP: ffffc900046c6bb0 R08: ffffffff92fab76f R09: 1ffffffff25f56ed R10: dffffc0000000000 R11: fffffbfff25f56ee R12: dffffc0000000000 R13: 1ffff920008d8d64 R14: ffffc900046c6b40 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x270d/0x4430 net/sched/sch_taprio.c:1970 taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2111 qdisc_create+0x9d6/0x11a0 net/sched/sch_api.c:1355 tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1777 rtnetlink_rcv_msg+0x89d/0x1180 net/core/rtnetlink.c:6635 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x223/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668 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: 0033:0x7f03c7a7cea9 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:00007f03c871c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f03c7bb3f80 RCX: 00007f03c7a7cea9 RDX: 0000000000000000 RSI: 0000000020000c00 RDI: 0000000000000004 RBP: 00007f03c7aebff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f03c7bb3f80 R15: 00007fff89fb59e8