------------[ cut here ]------------
WARNING: CPU: 0 PID: 20690 at kernel/trace/blktrace.c:1100 blk_register_tracepoints+0x2e8/0x3a0 kernel/trace/blktrace.c:1100
Modules linked in:
CPU: 0 PID: 20690 Comm: syz-executor.4 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:blk_register_tracepoints+0x2e8/0x3a0 kernel/trace/blktrace.c:1100
Code: 31 ff 89 c3 89 c6 e8 97 95 f9 ff 85 db 0f 85 ba 00 00 00 5b e9 49 99 f9 ff e8 44 99 f9 ff 0f 0b e9 4b fd ff ff e8 38 99 f9 ff <0f> 0b e9 6c fd ff ff e8 2c 99 f9 ff 0f 0b e9 8d fd ff ff e8 20 99
RSP: 0018:ffffc90011d07b88 EFLAGS: 00010212
RAX: 00000000000031f9 RBX: 00000000fffffff4 RCX: ffffc9000d4ff000
RDX: 0000000000040000 RSI: ffffffff81814088 RDI: 0000000000000005
RBP: ffff888016998800 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffffc90011d07c28
R13: ffff888016998828 R14: ffff88801dd4f210 R15: ffff888016998830
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0063) knlGS:00000000f7f9db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002084a000 CR3: 0000000073aa7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 get_probe_ref kernel/trace/blktrace.c:337 [inline]
 do_blk_trace_setup+0x940/0xb60 kernel/trace/blktrace.c:581
 __blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:600
 blk_trace_setup+0x43/0x60 kernel/trace/blktrace.c:618
 sg_ioctl_common drivers/scsi/sg.c:1122 [inline]
 sg_ioctl+0x251/0x2760 drivers/scsi/sg.c:1164
 compat_ptr_ioctl+0x67/0x90 fs/ioctl.c:906
 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:968
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fa2549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7f9d5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000c0481273
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi