sg_write: data in/out 4128732/1 bytes for SCSI command 0x27-- guessing data in;
   program syz-executor.2 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6535 at lib/iov_iter.c:385 _copy_from_iter+0x2c2/0x11f0 lib/iov_iter.c:385
Modules linked in:
CPU: 1 PID: 6535 Comm: syz-executor.2 Not tainted 6.5.0-rc7-syzkaller-00182-g3b35375f19fe #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2c2/0x11f0 lib/iov_iter.c:385
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 79 82 68 fd be 85 01 00 00 48 c7 c7 00 bc c7 8a e8 98 be a6 fd e9 48 fe ff ff e8 5e 82 68 fd <0f> 0b 45 31 ff eb 88 e8 52 82 68 fd 31 ff 44 89 e6 e8 78 7d 68 fd
RSP: 0018:ffffc900067075d0 EFLAGS: 00010287
RAX: 000000000000a62b RBX: ffffc90006707818 RCX: ffffc9000430c000
RDX: 0000000000040000 RSI: ffffffff841d8682 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000001000
R13: 0000000000001000 R14: 0000000000000000 R15: 0000160000000000
FS:  0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7fa8b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000058498000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter lib/iov_iter.c:542 [inline]
 copy_page_from_iter+0xa5/0x120 lib/iov_iter.c:531
 bio_copy_from_iter block/blk-map.c:56 [inline]
 bio_copy_user_iov block/blk-map.c:211 [inline]
 blk_rq_map_user_iov+0x9d5/0x17e0 block/blk-map.c:662
 blk_rq_map_user block/blk-map.c:691 [inline]
 blk_rq_map_user_io+0x202/0x230 block/blk-map.c:724
 sg_start_req drivers/scsi/sg.c:1818 [inline]
 sg_common_write.constprop.0+0xd61/0x1c90 drivers/scsi/sg.c:803
 sg_write+0x82f/0xe10 drivers/scsi/sg.c:707
 vfs_write+0x2a4/0xe40 fs/read_write.c:582
 ksys_write+0x12f/0x250 fs/read_write.c:637
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 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: 0023:0xf7fad579
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:00000000f7fa85ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000000
RDX: 000000000000002f RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 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                   	ret
  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