RBP: 00007f64c5432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f64c5616038 R14: 00007f64c5615fa0 R15: 00007ffea6d3ae38
 </TASK>
------------[ cut here ]------------
ret
WARNING: kernel/trace/blktrace.c:1346 at blk_register_tracepoints+0x39e/0x440 kernel/trace/blktrace.c:1346, CPU#0: syz.1.2134/15123
Modules linked in:
CPU: 0 UID: 0 PID: 15123 Comm: syz.1.2134 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:blk_register_tracepoints+0x39e/0x440 kernel/trace/blktrace.c:1346
Code: 0f 0b 90 e9 66 fd ff ff e8 4f 99 f7 ff 90 0f 0b 90 e9 85 fd ff ff e8 41 99 f7 ff 90 0f 0b 90 e9 a4 fd ff ff e8 33 99 f7 ff 90 <0f> 0b 90 e9 c3 fd ff ff e8 25 99 f7 ff 90 0f 0b 90 e9 e2 fd ff ff
RSP: 0000:ffffc90003c4fb28 EFLAGS: 00010283
RAX: 000000000001f679 RBX: 00000000fffffff4 RCX: ffffc90003fd1000
RDX: 0000000000080000 RSI: ffffffff8210642d RDI: ffff88802841dd00
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff888027170000
R13: 0000000000000000 R14: ffff888027170848 R15: ffff888027170508
FS:  00007f64c61de6c0(0000) GS:ffff88812438e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34de1ff8 CR3: 000000007a132000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:492 [inline]
 blk_trace_setup_queue+0x269/0x300 kernel/trace/blktrace.c:1920
 sysfs_blk_trace_attr_store+0xa95/0xd70 kernel/trace/blktrace.c:2108
 dev_attr_store+0x58/0x80 drivers/base/core.c:2437
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64c539ce59
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:00007f64c61de028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f64c5615fa0 RCX: 00007f64c539ce59
RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f64c5432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f64c5616038 R14: 00007f64c5615fa0 R15: 00007ffea6d3ae38
 </TASK>