sg_write: data in/out 80/6 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor402 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5088 at lib/iov_iter.c:364 _copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:364
Modules linked in:
CPU: 1 PID: 5088 Comm: syz-executor402 Not tainted 6.2.0-rc8-next-20230217-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:_copy_from_iter+0x2ad/0x1060 lib/iov_iter.c:364
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ae 05 6a fd be 70 01 00 00 48 c7 c7 c0 d2 a6 8a e8 0d 94 a6 fd e9 56 fe ff ff e8 93 05 6a fd <0f> 0b 45 31 ff eb 8b e8 87 05 6a fd 31 ff 89 ee e8 8e 01 6a fd 40
RSP: 0018:ffffc90003dff5e0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880212257c0 RSI: ffffffff841a8dcd RDI: 0000000000000001
RBP: 0000000000000050 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0000868600 R14: ffffc90003dff818 R15: 0000000000000050
FS:  00007f72ebcf0700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000002c CR3: 000000007af5c000 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:487 [inline]
 copy_page_from_iter+0x233/0x3f0 lib/iov_iter.c:476
 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_write.part.0+0x75d/0xd90 drivers/scsi/sg.c:707
 sg_write+0x8d/0xe0 drivers/scsi/sg.c:226
 vfs_write+0x2db/0xe10 fs/read_write.c:582
 ksys_write+0x12b/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f72ec54d699
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f72ebcf0208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f72ec5cb6c8 RCX: 00007f72ec54d699
RDX: 0000000000000030 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007f72ec5cb6c0 R08: 00007f72ec5cb6c0 R09: 0000000000000000
R10: 00007f72ebcf0210 R11: 0000000000000246 R12: 00007f72ec5cb6cc
R13: 00007ffe54e6818f R14: 00007f72ebcf0300 R15: 0000000000022000
 </TASK>