rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10499 ticks this GP) idle=cb9/1/0x4000000000000000 softirq=11313/11313 fqs=2 
	(t=10500 jiffies g=14009 q=16)
rcu: rcu_preempt kthread starved for 10496 jiffies! g14009 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:27064 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562
NMI backtrace for cpu 0
CPU: 0 PID: 5348 Comm: syz.4.201 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:227 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x83/0xe0 kernel/kcov.c:329
Code: 8b 74 d6 10 65 8b 05 24 e6 81 7e 25 00 01 ff 00 74 11 3d 00 01 00 00 75 de 41 83 bb 34 16 00 00 00 74 d4 41 8b 83 10 16 00 00 <83> f8 03 75 c8 49 8b 8b 18 16 00 00 45 8b bb 14 16 00 00 49 c1 e7
RSP: 0018:ffffc9000312f7c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000b2c RCX: 000000000000008b
RDX: 0000000000000000 RSI: ffffffff8cb61220 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000005 R09: ffffffff8183a48d
R10: 0000000000000020 R11: ffff888027565940 R12: ffff8880174c11b4
R13: 00000000000001a4 R14: 0000000000000000 R15: 000000000011b164
 check_buffer+0x23d/0x8a0 kernel/trace/ring_buffer.c:3449
 __rb_reserve_next kernel/trace/ring_buffer.c:3578 [inline]
 rb_reserve_next_event kernel/trace/ring_buffer.c:3713 [inline]
 ring_buffer_lock_reserve+0x10e2/0x1f80 kernel/trace/ring_buffer.c:3772
 __trace_buffer_lock_reserve kernel/trace/trace.c:942 [inline]
 trace_event_buffer_lock_reserve+0xd9/0x650 kernel/trace/trace.c:2820
 trace_event_buffer_reserve+0x2b3/0x3e0 kernel/trace/trace_events.c:498
 trace_event_raw_event_bpf_trace_printk+0x124/0x260 kernel/trace/bpf_trace.h:11
 trace_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
 ____bpf_trace_printk kernel/trace/bpf_trace.c:383 [inline]
 bpf_trace_printk+0x3a6/0x410 kernel/trace/bpf_trace.c:366
 bpf_prog_0605f9f479290f07+0x2f/0x410
 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915
 __bpf_trace_sys_enter+0x60/0x70 include/trace/events/syscalls.h:18
 trace_sys_enter include/trace/events/syscalls.h:18 [inline]
 syscall_trace_enter kernel/entry/common.c:77 [inline]
 __syscall_enter_from_user_work kernel/entry/common.c:96 [inline]
 syscall_enter_from_user_mode+0x202/0x240 kernel/entry/common.c:114
 do_syscall_64+0x1e/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efcd66e3ce7
Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d b2 fb d2 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 23 f8 fb ff 0f 1f 00 b8 27 00 00 00 0f 05 <c3> 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007ffef48a8148 EFLAGS: 00000206 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 00007ffef48a82b0 RCX: 00007efcd66e3ce7
RDX: 00007ffef48a8180 RSI: 00007ffef48a82b0 RDI: 0000000000000021
RBP: 0000000000000000 R08: 0000000000000010 R09: 00007ffef48a8a2f
R10: 00007ffef48a8840 R11: 0000000000000206 R12: 000000000001cebe
R13: 00007ffef48a8840 R14: 0000000000000032 R15: 000000000001ce8c
 </TASK>