------------[ cut here ]------------
WARNING: CPU: 0 PID: 11827 at kernel/trace/ring_buffer.c:3525 check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3525
Modules linked in:
CPU: 0 PID: 11827 Comm: syz.5.2744 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3525
Code: 4c 89 ee e8 48 63 aa 08 48 c7 c7 20 14 cc 97 be 04 00 00 00 e8 77 48 4e 00 f0 ff 0d 80 b8 46 16 e9 91 fe ff ff e8 d6 ea fc ff <0f> 0b e9 e2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 20 f8 ff
RSP: 0018:ffffc9000e6ff920 EFLAGS: 00010087
RAX: ffffffff81855baa RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc90004159000 RSI: 0000000000000ff5 RDI: 0000000000000ff6
RBP: ffffc9000e6ffad8 R08: ffff888018478807 R09: 1ffff1100308f100
R10: dffffc0000000000 R11: ffffed100308f101 R12: 0000003161875756
R13: 0000000000000440 R14: ffff888018478800 R15: dffffc0000000000
FS:  00007f50ed6e76c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df23ffc CR3: 00000000751b4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rb_reserve_next+0x4d9/0xd00 kernel/trace/ring_buffer.c:3621
 rb_reserve_next_event kernel/trace/ring_buffer.c:3756 [inline]
 ring_buffer_lock_reserve+0xafa/0xf10 kernel/trace/ring_buffer.c:3815
 __trace_buffer_lock_reserve kernel/trace/trace.c:956 [inline]
 trace_event_buffer_lock_reserve+0x1ce/0x6f0 kernel/trace/trace.c:2843
 trace_event_buffer_reserve+0x2a8/0x3d0 kernel/trace/trace_events.c:647
 do_trace_event_raw_event_kvm_update_master_clock arch/x86/kvm/trace.h:902 [inline]
 trace_event_raw_event_kvm_update_master_clock+0xff/0x260 arch/x86/kvm/trace.h:902
 trace_kvm_update_master_clock arch/x86/kvm/trace.h:902 [inline]
 pvclock_update_vm_gtod_copy+0x665/0x6e0 arch/x86/kvm/x86.c:2967
 kvm_arch_init_vm+0x252/0x600 arch/x86/kvm/x86.c:12566
 kvm_create_vm virt/kvm/kvm_main.c:1219 [inline]
 kvm_dev_ioctl_create_vm virt/kvm/kvm_main.c:5013 [inline]
 kvm_dev_ioctl+0xaf9/0x17f0 virt/kvm/kvm_main.c:5055
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f50ec79f559
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:00007f50ed6e7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f50eca25fa0 RCX: 00007f50ec79f559
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007f50ec836b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f50eca26038 R14: 00007f50eca25fa0 R15: 00007ffd8ebc0cd8
 </TASK>