RBP: 00007fc666c36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc666e26038 R14: 00007fc666e25fa0 R15: 00007ffec1d170f8
 </TASK>
------------[ cut here ]------------
ret
WARNING: kernel/trace/blktrace.c:1334 at blk_register_tracepoints+0x34a/0x440 kernel/trace/blktrace.c:1334, CPU#0: syz.4.1307/9654
Modules linked in:
CPU: 0 UID: 0 PID: 9654 Comm: syz.4.1307 Tainted: G             L     Y syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP, [Y]=FORCED_BIND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:blk_register_tracepoints+0x34a/0x440 kernel/trace/blktrace.c:1334
Code: 7f f7 ff 85 db 0f 85 f9 00 00 00 e8 b0 84 f7 ff 5b e9 a5 c9 f9 fe e8 a5 84 f7 ff 90 0f 0b 90 e9 ea fc ff ff e8 97 84 f7 ff 90 <0f> 0b 90 e9 09 fd ff ff e8 89 84 f7 ff 90 0f 0b 90 e9 28 fd ff ff
RSP: 0018:ffffc900051dfb00 EFLAGS: 00010287
RAX: 000000000001b042 RBX: 00000000fffffff4 RCX: ffffc900060d9000
RDX: 0000000000080000 RSI: ffffffff82167779 RDI: ffff88807cebbe80
RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880285aca80 R14: ffffc900051dfda0 R15: 0000000000000001
FS:  00007fc6679cb6c0(0000) GS:ffff888122499000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34923ffc CR3: 000000004665c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:492 [inline]
 blk_trace_setup_finalize+0x320/0x3a0 kernel/trace/blktrace.c:759
 blk_trace_setup+0x254/0x440 kernel/trace/blktrace.c:795
 blk_trace_ioctl+0x245/0x320 kernel/trace/blktrace.c:937
 blkdev_ioctl+0x17c/0x6f0 block/ioctl.c:787
 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:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc666b9f559
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:00007fc6679cb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc666e25fa0 RCX: 00007fc666b9f559
RDX: 0000200000000440 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fc666c36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc666e26038 R14: 00007fc666e25fa0 R15: 00007ffec1d170f8
 </TASK>