RBP: 00007f58d2813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f58d29e6038 R14: 00007f58d29e5fa0 R15: 00007ffcfec20808
 </TASK>
------------[ cut here ]------------
WARNING: kernel/trace/blktrace.c:1334 at blk_register_tracepoints+0x353/0x430 kernel/trace/blktrace.c:1334, CPU#0: syz.0.545/9370
Modules linked in:
CPU: 0 UID: 0 PID: 9370 Comm: syz.0.545 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:blk_register_tracepoints+0x353/0x430 kernel/trace/blktrace.c:1334
Code: 00 00 5b e9 3f ba f7 ff e8 3a ba f7 ff 90 0f 0b 90 e9 ef fc ff ff e8 2c ba f7 ff 90 0f 0b 90 e9 0e fd ff ff e8 1e ba f7 ff 90 <0f> 0b 90 e9 2d fd ff ff e8 10 ba f7 ff 90 0f 0b 90 e9 4c fd ff ff
RSP: 0018:ffffc9000b4f7b20 EFLAGS: 00010283
RAX: 0000000000044940 RBX: 00000000fffffff4 RCX: ffffc90017cde000
RDX: 0000000000080000 RSI: ffffffff81c68c82 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000000 R12: 200000000040000d
R13: ffffc9000b4f7da8 R14: ffff888141bc0000 R15: 0000000000000001
FS:  00007f58d364a6c0(0000) GS:ffff88812490e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b312d2ff8 CR3: 00000000429f2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:493 [inline]
 blk_trace_setup_finalize+0x336/0x3d0 kernel/trace/blktrace.c:760
 blk_trace_setup+0x200/0x3b0 kernel/trace/blktrace.c:795
 blk_trace_ioctl+0x2ce/0x300 kernel/trace/blktrace.c:935
 blkdev_ioctl+0x1fa/0x6e0 block/ioctl.c:780
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58d278f7c9
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:00007f58d364a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f58d29e5fa0 RCX: 00007f58d278f7c9
RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000006
RBP: 00007f58d2813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f58d29e6038 R14: 00007f58d29e5fa0 R15: 00007ffcfec20808
 </TASK>