R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fca995b5fa0 R15: 00007ffcc9b0a8b8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5802 at kernel/trace/blktrace.c:1082 blk_register_tracepoints kernel/trace/blktrace.c:1082 [inline]
WARNING: CPU: 0 PID: 5802 at kernel/trace/blktrace.c:1082 get_probe_ref+0x38a/0x3c0 kernel/trace/blktrace.c:337
Modules linked in:
CPU: 0 UID: 0 PID: 5802 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:blk_register_tracepoints kernel/trace/blktrace.c:1082 [inline]
RIP: 0010:get_probe_ref+0x38a/0x3c0 kernel/trace/blktrace.c:337
Code: 0f 0b 90 e9 67 fe ff ff e8 e3 d0 f7 ff 90 0f 0b 90 e9 86 fe ff ff e8 d5 d0 f7 ff 90 0f 0b 90 e9 a5 fe ff ff e8 c7 d0 f7 ff 90 <0f> 0b 90 e9 c4 fe ff ff e8 b9 d0 f7 ff 90 0f 0b 90 e9 e3 fe ff ff
RSP: 0018:ffffc900027f7b58 EFLAGS: 00010293
RAX: ffffffff81c842a9 RBX: 00000000fffffff4 RCX: ffff8880313f0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 1ffff11003ca6320 R08: ffffc900027f7aa7 R09: 1ffff920004fef54
R10: dffffc0000000000 R11: fffff520004fef55 R12: 000000000000059f
R13: dffffc0000000000 R14: ffff88804c79a4b0 R15: ffff88804c79a480
FS:  00007fca9a2026c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42983c8feb CR3: 00000000409bf000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 do_blk_trace_setup+0x7d2/0x980 kernel/trace/blktrace.c:593
 blk_trace_setup+0x116/0x1f0 kernel/trace/blktrace.c:614
 sg_ioctl_common drivers/scsi/sg.c:1114 [inline]
 sg_ioctl+0xaf3/0x2230 drivers/scsi/sg.c:1156
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca9938e929
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:00007fca9a202038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca995b5fa0 RCX: 00007fca9938e929
RDX: 0000200000000540 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fca9a202090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fca995b5fa0 R15: 00007ffcc9b0a8b8
 </TASK>