icmp: detected local route for 10.128.0.227 during ICMP sending, src 10.128.0.163 icmp: detected local route for 10.128.0.227 during ICMP sending, src 10.128.0.163 icmp: detected local route for 10.128.0.227 during ICMP sending, src 10.128.0.163 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5933/1:b..l (detected by 1, t=10502 jiffies, g=8073, q=839 ncpus=2) task:syz.3.336 state:R running task stack:0 pid:5933 ppid:4336 flags:0x00000008 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 preempt_schedule_irq+0x8c/0x1ac kernel/sched/core.c:6874 arm64_preempt_schedule_irq+0x44/0x54 arch/arm64/kernel/entry-common.c:265 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline] el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns+0x144/0x3b4 kernel/time/timekeeping.c:388 ktime_get+0x178/0x1d8 kernel/time/timekeeping.c:848 ktime_get_ns include/linux/timekeeping.h:154 [inline] bpf_test_timer_continue+0x1b0/0x2bc net/bpf/test_run.c:79 bpf_test_run_xdp_live+0x140c/0x15d0 net/bpf/test_run.c:365 bpf_prog_test_run_xdp+0x5fc/0xc88 net/bpf/test_run.c:1412 bpf_prog_test_run+0x2dc/0x360 kernel/bpf/syscall.c:3695 __sys_bpf+0x504/0x660 kernel/bpf/syscall.c:5049 __do_sys_bpf kernel/bpf/syscall.c:5135 [inline] __se_sys_bpf kernel/bpf/syscall.c:5133 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5133 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 rcu: rcu_preempt kthread starved for 10492 jiffies! g8073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:0 pid:16 ppid:2 flags:0x00000008 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_timeout+0x194/0x2f4 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x2b4/0x1378 kernel/rcu/tree.c:1706 rcu_gp_kthread+0xb4/0x2fc kernel/rcu/tree.c:1905 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 rcu: Stack dump where RCU GP kthread last ran: Task dump for CPU 0: task:syz.0.344 state:R running task stack:0 pid:5937 ppid:4331 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 0xffff0000c3f71bc0