R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff909016038 R14: 00007ff909015fa0 R15: 00007ffe85916308
 </TASK>
------------[ cut here ]------------
ret
WARNING: kernel/trace/blktrace.c:1361 at blk_register_tracepoints+0x3f2/0x440 kernel/trace/blktrace.c:1361, CPU#1: syz.1.546/8357
Modules linked in:
CPU: 1 UID: 0 PID: 8357 Comm: syz.1.546 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+0x3f2/0x440 kernel/trace/blktrace.c:1361
Code: 0f 0b 90 e9 20 fe ff ff e8 6b 8e f7 ff 90 0f 0b 90 e9 3f fe ff ff e8 5d 8e f7 ff 90 0f 0b 90 e9 5e fe ff ff e8 4f 8e f7 ff 90 <0f> 0b 90 e9 7d fe ff ff e8 41 8e f7 ff 90 0f 0b 90 e9 9c fe ff ff
RSP: 0018:ffffc9000383fb28 EFLAGS: 00010287
RAX: 0000000000021d55 RBX: 00000000fffffff4 RCX: ffffc90006372000
RDX: 0000000000080000 RSI: ffffffff82114df1 RDI: ffff888033163e00
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff8880285d1bf0
R13: 0000000000000000 R14: ffff8880285d2438 R15: ffff8880285d20f8
FS:  00007ff906ff66c0(0000) GS:ffff8881243e7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000011c0 CR3: 000000007acbe000 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+0x91b/0xd70 kernel/trace/blktrace.c:2116
 dev_attr_store+0x58/0x80 drivers/base/core.c:2505
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 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: 0033:0x7ff908d9ce59
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:00007ff906ff6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff909015fa0 RCX: 00007ff908d9ce59
RDX: 0000000000000081 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007ff908e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff909016038 R14: 00007ff909015fa0 R15: 00007ffe85916308
 </TASK>