sg_write: data in/out 199/502 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.3 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12754 at lib/iov_iter.c:274 _copy_from_iter+0x390/0x10f0 lib/iov_iter.c:274
Modules linked in:
CPU: 1 PID: 12754 Comm: syz-executor.3 Not tainted 6.8.0-rc1-next-20240125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:_copy_from_iter+0x390/0x10f0 lib/iov_iter.c:274
Code: 73 fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de e8 27 2e 3b 06 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 d7 fe ff ff e8 d1 17 19 fd 90 <0f> 0b 90 45 31 e4 e9 21 ff ff ff e8 c0 17 19 fd 48 8b 14 24 4c 89
RSP: 0018:ffffc9000a5475e0 EFLAGS: 00010283
RAX: 000000000000839e RBX: 0000000000000000 RCX: ffffc90004593000
RDX: 0000000000040000 RSI: ffffffff8473279f RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ab9c532 R12: 00000000000001f6
R13: ffffea0002693200 R14: ffffc9000a5477f8 R15: 00000000000001f6
FS:  00007f9eecdff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32421000 CR3: 000000002c33a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_page_from_iter lib/iov_iter.c:441 [inline]
 copy_page_from_iter+0xa5/0x120 lib/iov_iter.c:430
 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+0x9eb/0x1850 block/blk-map.c:661
 blk_rq_map_user block/blk-map.c:690 [inline]
 blk_rq_map_user_io+0x206/0x230 block/blk-map.c:723
 sg_start_req drivers/scsi/sg.c:1817 [inline]
 sg_common_write.constprop.0+0xd65/0x1c90 drivers/scsi/sg.c:803
 sg_write+0x82e/0xe10 drivers/scsi/sg.c:707
 vfs_write+0x298/0x1100 fs/read_write.c:588
 ksys_write+0x12f/0x260 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f9eeda7cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9eecdff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9eedbabf80 RCX: 00007f9eeda7cda9
RDX: 0000000000000220 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007f9eedac947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9eedbabf80 R15: 00007ffceb9ab2c8
 </TASK>