rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2675 jiffies s: 13869 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: 8177 Comm: syz-executor.0 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:kasan_check_range+0x1b8/0x290 mm/kasan/generic.c:189 Code: 4d 01 fb 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a6 00 00 00 49 ff c3 48 ff cd 75 ee 5b <41> 5c 41 5e 41 5f 5d c3 cc cc cc cc 40 84 ed 75 5f f7 c5 00 ff 00 RSP: 0018:ffffc90000007558 EFLAGS: 00000056 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff8173eb78 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff94927e40 RBP: 0000000000000000 R08: ffffffff94927e43 R09: 1ffffffff2924fc8 R10: dffffc0000000000 R11: fffffbfff2924fc9 R12: dffffc0000000000 R13: 1ffff92000000ebc R14: dffffc0000000001 R15: fffffbfff2924fc9 FS: 00007fc64bbf76c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc64aedf4b8 CR3: 0000000062a8c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline] debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline] do_raw_spin_unlock+0x58/0x8b0 kernel/locking/spinlock_debug.c:141 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock_irqrestore+0x81/0x140 kernel/locking/spinlock.c:194 debug_object_activate+0x3e4/0x510 lib/debugobjects.c:726 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0x6d5/0xd50 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+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:qdisc_peek_head+0x0/0x40 include/net/sch_generic.h:1111 Code: c1 38 c1 0f 8c c3 fe ff ff 4c 89 e7 e8 c9 92 7e f8 e9 b6 fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 53 48 89 fb e8 73 e6 19 f8 48 81 c3 d8 00 00 00 48 89 RSP: 0018:ffffc90000007b58 EFLAGS: 00000246 RAX: 1ffffffff1f52fad RBX: ffffffff8fa97d68 RCX: dffffc0000000000 RDX: ffff888066aa1e00 RSI: 0000000000000000 RDI: ffff88801834a800 RBP: ffff88801834a800 R08: ffffffff898a362f R09: 1ffffffff25e6aa0 R10: dffffc0000000000 R11: ffffffff897c2200 R12: 0000000000000002 R13: ffff88802c9e2000 R14: 0000000000000007 R15: ffff88807b7c8000 taprio_dequeue_from_txq+0x17f/0x930 net/sched/sch_taprio.c:720 taprio_dequeue_tc_priority+0x1b5/0x7a0 net/sched/sch_taprio.c:787 taprio_dequeue+0x186/0x550 dequeue_skb net/sched/sch_generic.c:293 [inline] qdisc_restart net/sched/sch_generic.c:398 [inline] __qdisc_run+0x272/0x2170 net/sched/sch_generic.c:416 qdisc_run+0xda/0x270 include/net/pkt_sched.h:127 net_tx_action+0x89c/0xa50 net/core/dev.c:5206 handle_softirqs+0x2d6/0x990 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 spin_unlock_bh include/linux/spinlock.h:396 [inline] taprio_change+0x349d/0x42d0 net/sched/sch_taprio.c:1988 taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2115 qdisc_create+0x9d4/0x1190 net/sched/sch_api.c:1355 tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1776 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: 0033:0x7fc64ae7dd69 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:00007fc64bbf70c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc64afabf80 RCX: 00007fc64ae7dd69 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 000000000000000b RBP: 00007fc64aeca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc64afabf80 R15: 00007fc64b0cfa98