0x4dc:  [278681022680] delta:21343 .
 0x4f4:  [278681045971] delta:23291 .
 0x50c:  [278681067878] delta:21907 .
 0x524:  [278681090002] delta:22124 .
 0x53c:  [278681111165] delta:21163 .
 0x554:  [278681133855] delta:22690 .
 0x56c: [278681133855] delta:0 TIME EXTEND
 0x574:  [278681133855] delta:0 .
expected end:0x58c last event actually ended at:0x58c
------------[ cut here ]------------
system_state != SYSTEM_BOOTING
WARNING: kernel/trace/ring_buffer.c:4788 at check_buffer+0x746/0x860 kernel/trace/ring_buffer.c:4783, CPU#1: syz.2.7531/29433
Modules linked in:
CPU: 1 UID: 0 PID: 29433 Comm: syz.2.7531 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(lazy)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:check_buffer+0x746/0x860 kernel/trace/ring_buffer.c:4783
Code: c0 0f 85 16 01 00 00 8b 1d 67 f7 e6 0d 31 ff 89 de e8 4e da fb ff 85 db 75 45 e8 35 d5 fb ff e9 bf fa ff ff e8 2b d5 fb ff 90 <0f> 0b 65 48 8b 05 e8 89 da 10 48 3b 44 24 40 75 41 90 e9 ff f9 ff
RSP: 0018:ffffc90004aff5b0 EFLAGS: 00010283
RAX: ffffffff81cac635 RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc9000f3fa000 RSI: 0000000000008cd8 RDI: 0000000000008cd9
RBP: 00000040e2b0a320 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff3366674 R12: ffff88813ff650c0
R13: ffffffff8b726f40 R14: dffffc0000000000 R15: 000000000000058c
FS:  00007f4a41a966c0(0000) GS:ffff888125ccb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e51aff8 CR3: 000000007066a000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rb_reserve_next+0x549/0xdd0 kernel/trace/ring_buffer.c:4873
 rb_reserve_next_event kernel/trace/ring_buffer.c:5010 [inline]
 ring_buffer_lock_reserve+0xc0d/0x10c0 kernel/trace/ring_buffer.c:5069
 __trace_buffer_lock_reserve kernel/trace/trace.h:1677 [inline]
 trace_event_buffer_lock_reserve+0x1d4/0x700 kernel/trace/trace.c:1924
 trace_event_buffer_reserve+0x1ef/0x2d0 kernel/trace/trace_events.c:715
 do_trace_event_raw_event_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
 trace_event_raw_event_bpf_trace_printk+0x11d/0x2c0 kernel/trace/bpf_trace.h:11
 __do_trace_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
 trace_bpf_trace_printk+0x187/0x1d0 kernel/trace/bpf_trace.h:11
 ____bpf_trace_printk kernel/trace/bpf_trace.c:409 [inline]
 bpf_trace_printk+0x141/0x1c0 kernel/trace/bpf_trace.c:392
 bpf_prog_b1e4844065211cce+0x43/0x49
 bpf_dispatcher_nop_func include/linux/bpf.h:1452 [inline]
 __bpf_prog_run include/linux/filter.h:779 [inline]
 bpf_prog_run include/linux/filter.h:786 [inline]
 bpf_prog_run_pin_on_cpu+0x14f/0x4c0 include/linux/filter.h:803
 bpf_prog_test_run_syscall+0x324/0x4c0 net/bpf/test_run.c:1706
 bpf_prog_test_run+0x2cb/0x340 kernel/bpf/syscall.c:4804
 __sys_bpf+0xa22/0xd90 kernel/bpf/syscall.c:6385
 __do_sys_bpf kernel/bpf/syscall.c:6486 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6483 [inline]
 __x64_sys_bpf+0xba/0xd0 kernel/bpf/syscall.c:6483
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a4383e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4a41a96028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4a43ac5fa0 RCX: 00007f4a4383e159
RDX: 000000000000000c RSI: 0000200000000000 RDI: 000000000000000a
RBP: 00007f4a438d506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a43ac6038 R14: 00007f4a43ac5fa0 R15: 00007ffef620f7a8
 </TASK>