RDX: 0000200000000440 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fe72b7d5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe72b9c6038 R14: 00007fe72b9c5fa0 R15: 00007ffd7c55eac8
 </TASK>
------------[ cut here ]------------
ret
WARNING: kernel/trace/blktrace.c:1332 at blk_register_tracepoints kernel/trace/blktrace.c:1332 [inline], CPU#0: syz.4.2142/12970
WARNING: kernel/trace/blktrace.c:1332 at get_probe_ref+0x377/0x470 kernel/trace/blktrace.c:492, CPU#0: syz.4.2142/12970
Modules linked in:
CPU: 0 UID: 0 PID: 12970 Comm: syz.4.2142 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:blk_register_tracepoints kernel/trace/blktrace.c:1332 [inline]
RIP: 0010:get_probe_ref+0x377/0x470 kernel/trace/blktrace.c:492
Code: c3 31 ff 89 c6 e8 79 33 f7 ff 85 db 0f 85 00 01 00 00 e8 5c 2e f7 ff 48 c7 c7 c0 53 23 8e 5b e9 af 76 88 09 e8 4a 2e f7 ff 90 <0f> 0b 90 e9 e8 fc ff ff e8 3c 2e f7 ff 90 0f 0b 90 e9 07 fd ff ff
RSP: 0018:ffffc90006a17850 EFLAGS: 00010287
RAX: ffffffff81cf4b76 RBX: 00000000fffffff4 RCX: 0000000000080000
RDX: ffffc90007cb9000 RSI: 000000000000e6c2 RDI: 000000000000e6c3
RBP: ffffc90006a17a90 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f63bb0 R12: 1ffff92000d42f14
R13: ffff888029f91f6c R14: dffffc0000000000 R15: 0000000000400140
FS:  00007fe7299966c0(0000) GS:ffff888125bd5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6042756c8 CR3: 000000003f914000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_trace_setup+0x379/0x520 kernel/trace/blktrace.c:795
 blk_trace_ioctl+0x37f/0x910 kernel/trace/blktrace.c:937
 blkdev_ioctl+0x4c4/0x750 block/ioctl.c:787
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 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: 0033:0x7fe72b73e159
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:00007fe729996028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe72b9c5fa0 RCX: 00007fe72b73e159
RDX: 0000200000000440 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fe72b7d5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe72b9c6038 R14: 00007fe72b9c5fa0 R15: 00007ffd7c55eac8
 </TASK>