------------[ cut here ]------------
WARNING: CPU: 1 PID: 8466 at kernel/bpf/helpers.c:712 try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline]
WARNING: CPU: 1 PID: 8466 at kernel/bpf/helpers.c:712 bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760
Modules linked in:
CPU: 1 PID: 8466 Comm: syz-executor.2 Not tainted 5.12.0-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 ce 63 02 83 c0 01 48 98 48 01 c5 48 89 6c 24 08 e8 58 cc ec ff 8d 6b 02 83 44 24 10 01 e9 d6 f5 ff ff e8 46 cc ec ff <0f> 0b 65 ff 0d cd 08 7b 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 1d
RSP: 0018:ffffc90000dc0858 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000100
RDX: ffff88801bb254c0 RSI: ffffffff8187f66a RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8187f204 R11: 0000000000000000 R12: ffffc90000dc0988
R13: 0000000000000100 R14: ffffc90000dc0a40 R15: 0000000000000003
FS:  0000000001d28400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf24000 CR3: 000000005aa1f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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_0605f9f479290f07+0x2f/0x7c0
 bpf_dispatcher_nop_func include/linux/bpf.h:687 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1788 [inline]
 bpf_trace_run3+0x146/0x3c0 kernel/trace/bpf_trace.c:1826
 __bpf_trace_timer_start+0xe4/0x120 include/trace/events/timer.h:52
 trace_timer_start include/trace/events/timer.h:52 [inline]
 enqueue_timer+0x2d2/0x580 kernel/time/timer.c:585
 internal_add_timer kernel/time/timer.c:609 [inline]
 __mod_timer+0x825/0xe30 kernel/time/timer.c:1060
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745
 __run_timers kernel/time/timer.c:1726 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:559
 invoke_softirq kernel/softirq.c:433 [inline]
 __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
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 9a 17 41 f8 48 89 ef e8 32 90 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 98 35 f8 65 8b 05 7c a1 e8 76 85 c0 74 0a 5b 5d c3 e8 10 81
RSP: 0018:ffffc9000173fd80 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1b92621
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001
RBP: ffffffff8bff5c80 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817acf98 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000293 R14: 1ffff92000193e06 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_0605f9f479290f07+0x2f/0x4d8
 bpf_dispatcher_nop_func include/linux/bpf.h:687 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1788 [inline]
 bpf_trace_run2+0x12f/0x390 kernel/trace/bpf_trace.c:1825
 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: 0033:0x464a77
Code: 89 7c 24 10 48 89 4c 24 18 e8 d5 44 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 05 45 02 00 8b 44
RSP: 002b:00007ffc8313cd40 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: 0000000000000000 RBX: 000000000000309e RCX: 0000000000464a77
RDX: 0000000040000001 RSI: 00007ffc8313cddc RDI: 00000000ffffffff
RBP: 00007ffc8313cddc R08: 0000000000000000 R09: 00007ffc831b1080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000210d90 R14: 0000000000000013 R15: 00007ffc8313ce40