R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f035ffb5fa0 R15: 00007fffd4171f68
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5807 at kernel/trace/blktrace.c:1066 blk_register_tracepoints kernel/trace/blktrace.c:1066 [inline]
WARNING: CPU: 0 PID: 5807 at kernel/trace/blktrace.c:1066 get_probe_ref+0x31a/0x3c0 kernel/trace/blktrace.c:337
Modules linked in:
CPU: 0 UID: 0 PID: 5807 Comm: syz.0.16 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:1066 [inline]
RIP: 0010:get_probe_ref+0x31a/0x3c0 kernel/trace/blktrace.c:337
Code: 0f 0b 90 e9 6f fd ff ff e8 43 e6 f7 ff 90 0f 0b 90 e9 8e fd ff ff e8 35 e6 f7 ff 90 0f 0b 90 e9 ad fd ff ff e8 27 e6 f7 ff 90 <0f> 0b 90 e9 cc fd ff ff e8 19 e6 f7 ff 90 0f 0b 90 e9 eb fd ff ff
RSP: 0018:ffffc90002a1fb78 EFLAGS: 00010293
RAX: ffffffff81c7d7c9 RBX: 00000000fffffff4 RCX: ffff888000350000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 1ffff1100695f320 R08: ffffc90002a1fac7 R09: 1ffff92000543f58
R10: dffffc0000000000 R11: fffff52000543f59 R12: 000000000000059f
R13: dffffc0000000000 R14: ffff888011c8df30 R15: ffff888011c8df00
FS:  00007f0360b826c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3275ffff CR3: 0000000043e20000 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:598 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f035fd8e929
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:00007f0360b82038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f035ffb5fa0 RCX: 00007f035fd8e929
RDX: 0000200000000540 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007f0360b82090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f035ffb5fa0 R15: 00007fffd4171f68
 </TASK>