rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2661 jiffies s: 25777 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: 10 Comm: kworker/u4:0 Not tainted 6.5.0-rc2-syzkaller-00601-g2303fae13064 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: bond1 bond_3ad_state_machine_handler RIP: 0010:pie_calculate_probability+0x392/0x850 net/sched/sch_pie.c:395 Code: 73 0d e8 01 f7 2c f9 48 c7 43 20 00 00 00 00 e8 f4 f6 2c f9 4c 8b 24 24 31 ff 4d 09 ec 4c 89 e6 e8 73 f2 2c f9 4d 85 e4 75 31 d9 f6 2c f9 44 0f b6 7c 24 2f 31 ff 44 89 fe e8 f9 f1 2c f9 45 RSP: 0018:ffffc90000007bc0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900178b2820 RCX: ffffffff8859874d RDX: ffff888015e51dc0 RSI: 0000000000000100 RDI: 0000000000000007 RBP: ffff888063f86300 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000c798966b R12: 0000000000000000 R13: 0000000000000000 R14: fffffff0a3da8872 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdde2f9d988 CR3: 0000000015b72000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:queue_delayed_work_on+0x9a/0x130 kernel/workqueue.c:1905 Code: ff 48 89 ee e8 f7 1f 31 00 48 85 ed 75 42 e8 5d 24 31 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 db 1f 31 00 48 85 db 75 71 41 24 31 00 44 89 e8 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc900000f7b48 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888015e51dc0 RSI: ffffffff81555a36 RDI: 0000000000000007 RBP: 0000000000000200 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffff888021225800 R15: 000000000000000a queue_delayed_work include/linux/workqueue.h:521 [inline] bond_3ad_state_machine_handler+0x2696/0x58b0 drivers/net/bonding/bond_3ad.c:2395 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog