rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6460/1:b..l
	(detected by 1, t=10504 jiffies, g=18697, q=3653)
task:syz.7.526       state:R  running task     stack:25232 pid: 6460 ppid:  5368 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11c3/0x4350 kernel/sched/core.c:6395
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6799
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:paravirt_sched_clock arch/x86/include/asm/paravirt.h:31 [inline]
RIP: 0010:sched_clock+0x0/0x10 arch/x86/kernel/tsc.c:253
Code: 89 ca 44 89 44 24 14 49 89 c5 e8 4b 5c d7 02 4c 89 e8 48 8b 54 24 18 44 8b 44 24 14 e9 67 ff ff ff e8 e4 57 8e 08 0f 1f 40 00 <e9> 5b 3b 09 00 66 2e 0f 1f 84 00 00 00 00 00 90 48 c7 c0 c8 30 19
RSP: 0018:ffffc900014efaf8 EFLAGS: 00000246
RAX: 3d7ec93c0df90d00 RBX: ffffc900014efd44 RCX: 0000000000080000
RDX: ffffc9000c3f1000 RSI: 0000000000000267 RDI: ffffffff8b238ea0
RBP: ffffc900014efc88 R08: ffff888024033b87 R09: 1ffff11004806770
R10: dffffc0000000000 R11: ffffed1004806771 R12: ffffc900014efd40
R13: ffffc9000117b030 R14: dffffc0000000000 R15: 0000000000000000
 __bpf_prog_run include/linux/filter.h:618 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 bpf_test_run+0x482/0x800 net/bpf/test_run.c:119
 bpf_prog_test_run_skb+0x9fb/0x1190 net/bpf/test_run.c:678
 bpf_prog_test_run+0x31c/0x390 kernel/bpf/syscall.c:3374
 __sys_bpf+0x5a5/0x6f0 kernel/bpf/syscall.c:4675
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe35c971e59
RSP: 002b:00007fe35abcb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe35cbeafa0 RCX: 00007fe35c971e59
RDX: 0000000000000050 RSI: 0000200000000c40 RDI: 000000000000000a
RBP: 00007fe35ca07e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe35cbeb038 R14: 00007fe35cbeafa0 R15: 00007fff69a215a8
 </TASK>