0x90:  [88454252001] delta:7100 .
 0xa8:  [88454260801] delta:8800 .
 0xc0:  [88454267221] delta:6420 .
 0xd8:  [88454273791] delta:6570 .
 0xf0:  [88454280461] delta:6670 .
 0x108: [88454280461] delta:0 TIME EXTEND
 0x110:  [88454280461] delta:0 .
expected end:0x128 last event actually ended at:0x128
------------[ 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.1.5685/24726
Modules linked in:
CPU: 1 UID: 0 PID: 24726 Comm: syz.1.5685 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:check_buffer+0x746/0x860 kernel/trace/ring_buffer.c:4783
Code: c0 0f 85 16 01 00 00 8b 1d 37 00 ae 0e 31 ff 89 de e8 ae d9 fb ff 85 db 75 45 e8 a5 d4 fb ff e9 bf fa ff ff e8 9b d4 fb ff 90 <0f> 0b 65 48 8b 05 b8 48 c9 11 48 3b 44 24 40 75 41 90 e9 ff f9 ff
RSP: 0018:ffffc900036de3f0 EFLAGS: 00010287
RAX: ffffffff81cc0765 RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc9000607a000 RSI: 000000000000d9e3 RDI: 000000000000d9e4
RBP: 0000001498493512 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff3546634 R12: ffff88801b0660c8
R13: ffffffff8c125340 R14: dffffc0000000000 R15: 0000000000000128
FS:  00007f767a4c46c0(0000) GS:ffff888124dcb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe6b25185b8 CR3: 000000004fb13000 CR4: 0000000000350ef0
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_17411d3ef654ff0d+0x37/0x3f
 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_save_cb include/linux/filter.h:1057 [inline]
 bpf_prog_run_save_cb include/linux/filter.h:1071 [inline]
 sk_filter_trim_cap+0x51a/0xd70 net/core/filter.c:168
 sk_filter include/linux/filter.h:1179 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1500 [inline]
 netlink_broadcast_filtered+0x618/0xea0 net/netlink/af_netlink.c:1558
 nlmsg_multicast_filtered include/net/netlink.h:1165 [inline]
 nlmsg_multicast include/net/netlink.h:1184 [inline]
 nlmsg_notify+0xe3/0x1a0 net/netlink/af_netlink.c:2618
 mpls_dev_sysctl_register+0x1e0/0x280 net/mpls/af_mpls.c:1457
 mpls_add_dev net/mpls/af_mpls.c:1506 [inline]
 mpls_dev_notify+0x3b7/0xd30 net/mpls/af_mpls.c:1651
 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline]
 call_netdevice_notifiers net/core/dev.c:2327 [inline]
 register_netdevice+0x18a4/0x1eb0 net/core/dev.c:11541
 br_dev_newlink+0x6a/0x150 net/bridge/br_netlink.c:1602
 rtnl_newlink_create+0x305/0x7b0 net/core/rtnetlink.c:3974
 __rtnl_newlink net/core/rtnetlink.c:4103 [inline]
 rtnl_newlink+0x166d/0x1c30 net/core/rtnetlink.c:4220
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7137
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2713
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767
 __sys_sendmsg net/socket.c:2799 [inline]
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802
 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: 0033:0x7f767959e159
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:00007f767a4c4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7679825fa0 RCX: 00007f767959e159
RDX: 0000000000040000 RSI: 00002000000000c0 RDI: 0000000000000006
RBP: 00007f767963506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7679826038 R14: 00007f7679825fa0 R15: 00007ffd36e9ddd8
 </TASK>