------------[ cut here ]------------
WARNING: CPU: 1 PID: 5672 at lib/iov_iter.c:623 _copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:623
Modules linked in:
CPU: 1 PID: 5672 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:_copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:623
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 5e 70 69 fd be 73 02 00 00 48 c7 c7 c0 cf a6 8a e8 7d fe a5 fd e9 56 fe ff ff e8 43 70 69 fd <0f> 0b 45 31 ff eb 8b e8 37 70 69 fd 31 ff 89 ee e8 3e 6c 69 fd 40
RSP: 0018:ffffc90004eef640 EFLAGS: 00010216
RAX: 0000000000000f54 RBX: 0000000000000000 RCX: ffffc9000b284000
RDX: 0000000000040000 RSI: ffffffff841b89ed RDI: 0000000000000001
RBP: 000000000000007d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0001857c00 R14: ffffc90004eef878 R15: 000000000000007d
FS:  0000000000000000(0000) GS:ffff8880b9900000(0063) knlGS:00000000f7f2bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032c21000 CR3: 000000001e4a6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter lib/iov_iter.c:748 [inline]
 copy_page_from_iter+0x233/0x3f0 lib/iov_iter.c:737
 bio_copy_from_iter block/blk-map.c:55 [inline]
 bio_copy_user_iov block/blk-map.c:210 [inline]
 blk_rq_map_user_iov+0xb5d/0x16e0 block/blk-map.c:661
 blk_rq_map_user block/blk-map.c:690 [inline]
 blk_rq_map_user_io+0x1cd/0x200 block/blk-map.c:723
 sg_start_req drivers/scsi/sg.c:1807 [inline]
 sg_common_write.constprop.0+0xdcd/0x1e00 drivers/scsi/sg.c:803
 sg_new_write.isra.0+0x522/0xa90 drivers/scsi/sg.c:770
 sg_ioctl_common drivers/scsi/sg.c:935 [inline]
 sg_ioctl+0x9a8/0x2700 drivers/scsi/sg.c:1159
 compat_ptr_ioctl+0x6b/0xa0 fs/ioctl.c:906
 __do_compat_sys_ioctl+0x255/0x2b0 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+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f30579
Code: 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 00 00 00 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:00000000f7f2b5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000002285
RDX: 0000000020000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	retq
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi