rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P14474/1:b..l
	(detected by 1, t=10503 jiffies, g=54021, q=1228 ncpus=2)
task:syz.1.2797      state:R  running task     stack:23984 pid:14474 ppid:4806   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6732
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6756
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 bpf_bprintf_cleanup+0xb9/0xc0 kernel/bpf/helpers.c:794
 ____bpf_trace_printk kernel/trace/bpf_trace.c:393 [inline]
 bpf_trace_printk+0x146/0x1c0 kernel/trace/bpf_trace.c:374
 bpf_prog_285608df78d9d2f4+0x2e/0x32
 bpf_dispatcher_nop_func include/linux/bpf.h:1013 [inline]
 __bpf_prog_run include/linux/filter.h:597 [inline]
 bpf_prog_run include/linux/filter.h:615 [inline]
 bpf_test_run+0x4c1/0x830 net/bpf/test_run.c:402
 bpf_prog_test_run_skb+0xdaf/0x18e0 net/bpf/test_run.c:1222
 bpf_prog_test_run+0x31c/0x390 kernel/bpf/syscall.c:3695
 __sys_bpf+0x62b/0x780 kernel/bpf/syscall.c:5053
 __do_sys_bpf kernel/bpf/syscall.c:5139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5137 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5137
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7a4cd9e559
RSP: 002b:00007f7a4dc80028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7a4d025fa0 RCX: 00007f7a4cd9e559
RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a
RBP: 00007f7a4ce35ab8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7a4d026038 R14: 00007f7a4d025fa0 R15: 00007ffee4ba7f48
 </TASK>