rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6448/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=10045, q=4265 ncpus=2)
task:syz.2.166       state:R  running task     stack:22968 pid:6448  tgid:6447  ppid:5835   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__local_bh_enable_ip+0x135/0x1c0
Code: 8b e8 8f 02 e9 09 65 66 8b 05 6f 5f 1a 11 66 85 c0 75 5a bf 01 00 00 00 e8 a8 32 0b 00 e8 33 04 42 00 fb 65 8b 05 4b 5f 1a 11 <85> c0 75 05 e8 82 f5 ad ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc90006ba7920 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 0000000000000200 RCX: a8d614504a237100
RDX: 0000000000000000 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: ffffc90006ba79b0 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: ffffffff89966df7
R13: ffffc900070b5030 R14: dffffc0000000000 R15: 1ffff92000d74f24
 bpf_test_run+0x376/0x7b0
 bpf_prog_test_run_skb+0xb30/0x1560
 bpf_prog_test_run+0x2c7/0x340
 __sys_bpf+0x581/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc6a78e9a9
RSP: 002b:00007fdc6b687038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdc6a9b5fa0 RCX: 00007fdc6a78e9a9
RDX: 0000000000000050 RSI: 0000200000001300 RDI: 000000000000000a
RBP: 00007fdc6a810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdc6a9b5fa0 R15: 00007ffd61cc0818
 </TASK>
sched: DL replenish lagged too much
