rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=f7bc/1/0x4000000000000004 softirq=10896/830843 fqs=5248
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   421821     414664            0
rcu: 	cputime:      865      51063            0   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=10649 q=444 ncpus=2)
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:do_trace_event_raw_event_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
RIP: 0010:trace_event_raw_event_bpf_trace_printk+0xef/0x210 kernel/trace/bpf_trace.h:11
Code: 85 f6 49 c7 c4 40 e3 af 8a 4d 0f 45 e6 4c 89 e7 e8 06 33 ce 08 49 89 c6 ba 30 00 00 00 4c 89 ff 31 f6 e8 94 7d 4d 00 41 ff c6 <49> 63 d6 48 83 c2 0c 4c 89 ff 48 89 de e8 cf 56 fd ff 48 85 c0 74
RSP: 0018:ffffc900001f07e0 EFLAGS: 00000206
RAX: ffffc900001f0800 RBX: ffff888019653000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900001f0830
RBP: ffffc900001f08a8 R08: ffffc900001f082f R09: 0000000000000000
R10: ffffc900001f0800 R11: fffff5200003e106 R12: ffff8880b8f35700
R13: 1ffff9200003e0fc R14: 0000000000000003 R15: ffffc900001f0800
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000004000 CR3: 000000004869a000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 trace_bpf_trace_printk+0x142/0x1a0 kernel/trace/bpf_trace.h:11
 ____bpf_trace_printk kernel/trace/bpf_trace.c:388 [inline]
 bpf_trace_printk+0x11f/0x190 kernel/trace/bpf_trace.c:371
 bpf_prog_0605f9f479290f07+0x37/0x3b
 bpf_dispatcher_nop_func include/linux/bpf.h:1213 [inline]
 __bpf_prog_run include/linux/filter.h:612 [inline]
 bpf_prog_run include/linux/filter.h:619 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2322 [inline]
 bpf_trace_run1+0x1c9/0x3b0 kernel/trace/bpf_trace.c:2360
 __bpf_trace_rcu_utilization+0xa2/0xe0 include/trace/events/rcu.h:27
 __traceiter_rcu_utilization+0x70/0xa0 include/trace/events/rcu.h:27
 trace_rcu_utilization+0x179/0x1a0 include/trace/events/rcu.h:27
 rcu_core+0x1341/0x1720 kernel/rcu/tree.c:2475
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa1/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5255
Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 60 6b 1a 09 e8 8b a4 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90000187b58 EFLAGS: 00000282
RAX: 00fe4793e2df5000 RBX: 0000000000000000 RCX: 00fe4793e2df5000
RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: ffffffff8afc6680
RBP: ffffc90000187bb0 R08: ffffffff8e4a7cef R09: 1ffffffff1c94f9d
R10: dffffc0000000000 R11: fffffbfff1c94f9e R12: ffff88801b26bc00
R13: dffffc0000000000 R14: ffff888027e60000 R15: ffff8880b8f3cf08
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x14ea/0x4580 kernel/sched/core.c:6700
 schedule_idle+0x4e/0x80 kernel/sched/core.c:6802
 do_idle+0x4ac/0x510 kernel/sched/idle.c:310
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:380
 start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>