------------[ cut here ]------------
WARNING: CPU: 0 PID: 8463 at kernel/bpf/helpers.c:712 try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline]
WARNING: CPU: 0 PID: 8463 at kernel/bpf/helpers.c:712 bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760
Modules linked in:
CPU: 0 PID: 8463 Comm: syz-executor.4 Not tainted 5.13.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline]
RIP: 0010:bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760
Code: c6 e8 6a ee 63 02 83 c0 01 48 98 48 01 c5 48 89 6c 24 08 e8 58 7b ec ff 8d 6b 02 83 44 24 10 01 e9 d6 f5 ff ff e8 46 7b ec ff <0f> 0b 65 ff 0d dd 6c 7b 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 8d
RSP: 0018:ffffc900000077a0 EFLAGS: 00010046
RAX: 0000000080010005 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888076a28280 RSI: ffffffff8187925a RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81878df4 R11: 0000000000000000 R12: ffffc900000078d0
R13: ffffffff81593580 R14: ffffc90000007a28 R15: 0000000000000003
FS:  00000000016b9400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb586c2718 CR3: 0000000076006000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline]
 bpf_trace_printk+0xab/0x3a0 kernel/trace/bpf_trace.c:380
 ___bpf_prog_run+0x34e1/0x77d0 kernel/bpf/core.c:1518
 __bpf_prog_run32+0x8a/0xd0 kernel/bpf/core.c:1730
 bpf_dispatcher_nop_func include/linux/bpf.h:684 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1788 [inline]
 bpf_trace_run1+0x127/0x390 kernel/trace/bpf_trace.c:1824
 __bpf_trace_rcu_utilization+0x81/0xb0 include/trace/events/rcu.h:27
 trace_rcu_utilization+0xd8/0x1b0 include/trace/events/rcu.h:27
 rcu_sched_clock_irq+0x82/0x2080 kernel/rcu/tree.c:2636
 update_process_times+0x16d/0x200 kernel/time/timer.c:1796
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1373
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 8a ad 40 f8 48 89 ef e8 22 26 41 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 63 1c 35 f8 65 8b 05 1c ed e8 76 85 c0 74 0a 5b 5d c3 e8 70 1b
RSP: 0018:ffffc900017e7bf0 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1b91f89
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001
RBP: ffffffff8bff2f40 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817a1e58 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000293 R14: ffffffff8159b000 R15: 0000000000000003
 ____bpf_trace_printk kernel/trace/bpf_trace.c:398 [inline]
 bpf_trace_printk+0x172/0x3a0 kernel/trace/bpf_trace.c:380
 ___bpf_prog_run+0x34e1/0x77d0 kernel/bpf/core.c:1518
 __bpf_prog_run32+0x8a/0xd0 kernel/bpf/core.c:1730
 bpf_dispatcher_nop_func include/linux/bpf.h:684 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1788 [inline]
 bpf_trace_run2+0x12f/0x390 kernel/trace/bpf_trace.c:1825
 __traceiter_sys_exit+0x29/0x40 include/trace/events/syscalls.h:44
 trace_sys_exit include/trace/events/syscalls.h:44 [inline]
 syscall_exit_work kernel/entry/common.c:252 [inline]
 syscall_exit_to_user_mode_prepare+0x1b4/0x260 kernel/entry/common.c:283
 __syscall_exit_to_user_mode_work kernel/entry/common.c:288 [inline]
 syscall_exit_to_user_mode+0x9/0x60 kernel/entry/common.c:301
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f17
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc5a4fcb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000465f17
RDX: 00007ffc5a4fcb60 RSI: 00007ffc5a4fcb60 RDI: 00007ffc5a4fcbf0
RBP: 00007ffc5a4fcbf0 R08: 0000000000000001 R09: 00007ffc5a4fc9c0
R10: 00000000016ba8c3 R11: 0000000000000206 R12: 00000000004bee70
R13: 00007ffc5a4fdcc0 R14: 00000000016ba810 R15: 00007ffc5a4fdd00