------------[ cut here ]------------
WARNING: CPU: 0 PID: 5516 at kernel/trace/ring_buffer.c:3526 check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3526
Modules linked in:
CPU: 0 PID: 5516 Comm: syz.4.402 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3526
Code: 4c 89 ee e8 98 b9 9f 08 48 c7 c7 20 04 c6 96 be 04 00 00 00 e8 87 1d 4e 00 f0 ff 0d 50 bf 40 15 e9 91 fe ff ff e8 16 ef 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:ffffc90003887820 EFLAGS: 00010287
RAX: ffffffff818544da RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc9000e552000 RSI: 000000000000007d RDI: 000000000000007e
RBP: ffffc900038879d8 R08: ffff888017478807 R09: 1ffff11002e8f100
R10: dffffc0000000000 R11: ffffed1002e8f101 R12: 0000001e6dee799d
R13: 00000000000000d0 R14: ffff888017478800 R15: dffffc0000000000
FS:  00007f06659f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06659f5ff8 CR3: 0000000028064000 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:3622
 rb_reserve_next_event kernel/trace/ring_buffer.c:3757 [inline]
 ring_buffer_lock_reserve+0xafa/0xf10 kernel/trace/ring_buffer.c:3816
 __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
 trace_inject_entry kernel/trace/trace_events_inject.c:24 [inline]
 event_inject_write+0x18ea/0x1bf0 kernel/trace/trace_events_inject.c:309
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 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: 0033:0x7f066779de99
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:00007f06659f6028 EFLAGS: 00000246
 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0667a25fa0 RCX: 00007f066779de99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f0667833eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0667a26038 R14: 00007f0667a25fa0 R15: 00007ffdb4d6a198
 </TASK>