rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10568 jiffies, g=11833, q=1279 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294965029-4294954528), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10501 jiffies! g11833 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28272 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6710
 schedule+0xe7/0x1b0 kernel/sched/core.c:6786
 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5527 Comm: syz-executor.5 Not tainted 6.5.0-rc1-syzkaller-00222-g9f9d4c1a2e82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:mark_usage kernel/locking/lockdep.c:4574 [inline]
RIP: 0010:__lock_acquire+0x1372/0x5de0 kernel/locking/lockdep.c:5098
Code: 89 f0 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 48 89 f7 e8 50 36 73 00 48 8b 04 24 8b 88 ac 0a 00 00 85 c9 0f 84 4e f5 ff ff <ba> 04 00 00 00 e9 d4 02 00 00 c7 84 24 58 01 00 00 01 00 00 00 bb
RSP: 0018:ffffc900001e06e8 EFLAGS: 00000002
RAX: ffff888017335940 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff8880173363ec RDI: ffffffff9184a3d0
RBP: 0000000000000060 R08: 0000000000000000 R09: fffffbfff23093d0
R10: ffffffff91849e87 R11: 0000000000000001 R12: ffff8880173364f2
R13: ffff8880173364d0 R14: ffff888017335940 R15: 0000000000000002
FS:  00007f8743f3b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39cb375198 CR3: 0000000078d81000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5761 [inline]
 lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x50 kernel/locking/spinlock.c:162
 debug_object_activate+0x1a4/0x490 lib/debugobjects.c:717
 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:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x42/0xc0 arch/x86/kernel/apic/apic.c:1109
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:taprio_dequeue_from_txq+0xa1/0x8d0 net/sched/sch_taprio.c:717
Code: 48 c1 ea 03 80 3c 02 00 0f 85 51 07 00 00 48 8b 83 c0 02 00 00 4e 8d 24 e0 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 14 07 00 00 49 8d be 58 0b 00 00 4d 8b 24 24 48
RSP: 0018:ffffc900001e0d10 EFLAGS: 00000a02
RAX: dffffc0000000000 RBX: ffff8880241a9000 RCX: 0000000000000100
RDX: 1ffff11003e28a4a RSI: ffffffff88595a31 RDI: ffff8880241a92c0
RBP: 000000000000000a R08: 0000000000000004 R09: 000000000000000a
R10: 0000000000000000 R11: ffffc900001e0ff8 R12: ffff88801f145250
R13: ffff888078aac000 R14: ffff888029fd6000 R15: 0000000000000001
 taprio_dequeue_tc_priority+0x289/0x4b0 net/sched/sch_taprio.c:798
 taprio_dequeue+0x12e/0x5f0 net/sched/sch_taprio.c:868
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1c4/0x19d0 net/sched/sch_generic.c:415
 qdisc_run include/net/pkt_sched.h:125 [inline]
 qdisc_run include/net/pkt_sched.h:122 [inline]
 net_tx_action+0x71e/0xc80 net/core/dev.c:5049
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 do_softirq kernel/softirq.c:454 [inline]
 do_softirq+0xaa/0xe0 kernel/softirq.c:441
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 taprio_change+0x2be4/0x3890 net/sched/sch_taprio.c:1996
 taprio_init+0x6c4/0x950 net/sched/sch_taprio.c:2126
 qdisc_create+0x4f7/0x10a0 net/sched/sch_api.c:1326
 tc_modify_qdisc+0x4a4/0x1bf0 net/sched/sch_api.c:1720
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6424
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f874327cb29
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:00007f8743f3b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f874339bf80 RCX: 00007f874327cb29
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00007f87432c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f874339bf80 R15: 00007fffe6e9d768
 </TASK>