RSP: 002b:00007f9c6db33038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9c6cfc5fa0 RCX: 00007f9c6cd8ebe9
RDX: 0000000000000081 RSI: 00002000000001c0 RDI: 0000000000000007
RBP: 00007f9c6ce11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c6cfc6038 R14: 00007f9c6cfc5fa0 R15: 00007ffc53f4fde8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6259 at kernel/trace/blktrace.c:1074 blk_register_tracepoints+0x312/0x380 kernel/trace/blktrace.c:1074
Modules linked in:
CPU: 1 UID: 0 PID: 6259 Comm: syz.3.68 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:blk_register_tracepoints+0x312/0x380 kernel/trace/blktrace.c:1074
Code: 0f 0b 90 e9 f2 fd ff ff e8 0b 00 f8 ff 90 0f 0b 90 e9 11 fe ff ff e8 fd ff f7 ff 90 0f 0b 90 e9 30 fe ff ff e8 ef ff f7 ff 90 <0f> 0b 90 e9 4f fe ff ff e8 e1 ff f7 ff 90 0f 0b 90 e9 6e fe ff ff
RSP: 0018:ffffc90004d27b40 EFLAGS: 00010287
RAX: 000000000001fc84 RBX: 00000000fffffff4 RCX: ffffc9000cc8c000
RDX: 0000000000080000 RSI: ffffffff81c30b81 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000000 R12: ffff8881433cf5c0
R13: 0000000000000000 R14: ffff8881433cf5c0 R15: ffff8881433cfb20
FS:  00007f9c6db336c0(0000) GS:ffff8881247bd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000003c86000 CR3: 0000000033ba8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:337 [inline]
 blk_trace_setup_queue+0x270/0x310 kernel/trace/blktrace.c:1607
 sysfs_blk_trace_attr_store+0x7b0/0x9d0 kernel/trace/blktrace.c:1793
 dev_attr_store+0x58/0x80 drivers/base/core.c:2437
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x354/0x510 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d0/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c6cd8ebe9
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:00007f9c6db33038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9c6cfc5fa0 RCX: 00007f9c6cd8ebe9
RDX: 0000000000000081 RSI: 00002000000001c0 RDI: 0000000000000007
RBP: 00007f9c6ce11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c6cfc6038 R14: 00007f9c6cfc5fa0 R15: 00007ffc53f4fde8
 </TASK>