rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=1514/1/0x4000000000000000 softirq=25947/25947 fqs=0
rcu: 	(t=10500 jiffies g=18649 q=2933 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g18649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=8703
rcu: rcu_preempt kthread starved for 10500 jiffies! g18649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
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:I stack:27128 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
CPU: 0 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.16.0-rc4-syzkaller-00109-gb9fd9888a565 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 94 75 fb 0b 48 89 de 5b e9 d3 bb 58 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 30 a0 92 65 8b 15 78 d1
RSP: 0018:ffffc900000075c0 EFLAGS: 00000246
RAX: ffffffff865f4a48 RBX: 0000000000000000 RCX: ffff88802f3fda00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff895668ae
R10: dffffc0000000000 R11: ffffffff865f4980 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88805a128028 R15: 0000000000000000
FS:  0000555588af1500(0000) GS:ffff888125c1d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffad14e56c0 CR3: 00000000775c8000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 bond_select_queue+0xc8/0x130 drivers/net/bonding/bond_main.c:5419
 netdev_core_pick_tx+0x119/0x350 net/core/dev.c:4588
 __dev_queue_xmit+0x857/0x3a70 net/core/dev.c:4673
 dev_queue_xmit include/linux/netdevice.h:3355 [inline]
 tipc_l2_send_msg+0x337/0x400 net/tipc/bearer.c:516
 tipc_bearer_xmit_skb+0x2b0/0x400 net/tipc/bearer.c:575
 tipc_disc_timeout+0x580/0x6d0 net/tipc/discover.c:338
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1798 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x61a/0x860 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:in_lock_functions+0x1a/0x30 kernel/locking/spinlock.c:413
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 81 ff b0 b0 71 8b 0f 93 c0 48 81 ff 44 f6 71 8b 0f 92 c1 20 c1 <0f> b6 c1 e9 fe 40 d3 09 cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc900040ff5e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff99ab7300
RDX: ffff88802f3fda00 RSI: 0000000000004000 RDI: 0000000000000000
RBP: ffffc900040ff7b8 R08: ffffffff8fa1dcf7 R09: 1ffffffff1f43b9e
R10: dffffc0000000000 R11: fffffbfff1f43b9f R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880578da530 R15: dffffc0000000000
 get_lock_parent_ip include/linux/ftrace.h:1094 [inline]
 preempt_latency_start kernel/sched/core.c:5852 [inline]
 preempt_count_add+0x9e/0x1a0 kernel/sched/core.c:5877
 __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock+0x12/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 proc_pid_evict_inode+0x7e/0x180 fs/proc/base.c:1938
 proc_evict_inode+0x60/0xd0 fs/proc/inode.c:41
 evict+0x504/0x9c0 fs/inode.c:810
 proc_invalidate_siblings_dcache+0x42c/0x6c0 fs/proc/inode.c:152
 release_task+0x1306/0x17f0 kernel/exit.c:292
 wait_task_zombie kernel/exit.c:1267 [inline]
 wait_consider_task+0x195a/0x2e60 kernel/exit.c:1494
 do_wait_thread kernel/exit.c:1557 [inline]
 __do_wait+0x153/0x740 kernel/exit.c:1675
 do_wait+0x1f8/0x520 kernel/exit.c:1709
 kernel_wait4+0x1af/0x280 kernel/exit.c:1868
 __do_sys_wait4 kernel/exit.c:1896 [inline]
 __se_sys_wait4 kernel/exit.c:1892 [inline]
 __x64_sys_wait4+0x133/0x1e0 kernel/exit.c:1892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f957e584b97
Code: 89 7c 24 10 48 89 4c 24 18 e8 45 1b 03 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 95 1b 03 00 8b 44
RSP: 002b:00007ffca0539eb0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000156 RCX: 00007f957e584b97
RDX: 0000000040000001 RSI: 00007ffca0539f1c RDI: 00000000ffffffff
RBP: 00007ffca0539f1c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000020067 R15: 00007ffca0539f70
 </TASK>
sched: DL replenish lagged too much