RAX: ffffffffffffffda RBX: 00007fbe54bb5fa0 RCX: 00007fbe5498e929
RDX: 00002000000000c0 RSI: 00000000c0481273 RDI: 0000000000000008
RBP: 00007fbe54a10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbe54bb5fa0 R15: 00007fff53f1e2b8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8563 at kernel/trace/blktrace.c:1078 blk_register_tracepoints+0x2b0/0x380 kernel/trace/blktrace.c:1078
Modules linked in:
CPU: 0 UID: 0 PID: 8563 Comm: syz.3.621 Not tainted 6.16.0-rc3-syzkaller-00121-gf02769e7f272 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:blk_register_tracepoints+0x2b0/0x380 kernel/trace/blktrace.c:1078
Code: c7 c7 40 6f 94 90 e8 7f 05 fa ff 31 ff 89 c3 89 c6 e8 c4 12 f8 ff 85 db 0f 85 ca 00 00 00 5b e9 76 17 f8 ff e8 71 17 f8 ff 90 <0f> 0b 90 e9 76 fd ff ff e8 63 17 f8 ff 90 0f 0b 90 e9 95 fd ff ff
RSP: 0018:ffffc90003267c28 EFLAGS: 00010287
RAX: 000000000002c405 RBX: 00000000fffffff4 RCX: ffffc9000d11c000
RDX: 0000000000080000 RSI: ffffffff81c3755f RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: 00000000000000ff
R13: 0000000000002000 R14: ffff888025e2c478 R15: ffffc90003267cf4
FS:  00007fbe558926c0(0000) GS:ffff88812475e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe55870f98 CR3: 000000006f880000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:337 [inline]
 do_blk_trace_setup+0x933/0xb50 kernel/trace/blktrace.c:611
 blk_trace_setup+0xed/0x1b0 kernel/trace/blktrace.c:632
 blk_trace_ioctl+0x146/0x280 kernel/trace/blktrace.c:730
 blkdev_ioctl+0x108/0x6d0 block/ioctl.c:693
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbe5498e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbe55892038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbe54bb5fa0 RCX: 00007fbe5498e929
RDX: 00002000000000c0 RSI: 00000000c0481273 RDI: 0000000000000008
RBP: 00007fbe54a10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbe54bb5fa0 R15: 00007fff53f1e2b8
 </TASK>