sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 44516 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 0 PID: 44516 Comm: syz-executor.6 Not tainted 6.2.0-rc4-next-20230117 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1170
Code: 5d 41 5e 41 5f e9 b5 a5 32 02 e8 5c 93 37 ff be 79 02 00 00 48 c7 c7 c0 de 9e 84 e8 cb 25 5b ff e9 48 fe ff ff e8 41 93 37 ff <0f> 0b 45 31 f6 eb 87 e8 35 93 37 ff 31 ff 89 ee e8 fc 8e 37 ff 40
RSP: 0018:ffff888038fdf608 EFLAGS: 00010216
RAX: 000000000000141c RBX: 0000000000000000 RCX: ffffc90008e0a000
RDX: 0000000000040000 RSI: ffffffff8211ef2f RDI: 0000000000000001
RBP: 0000000000000390 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888038fdf838
R13: ffffea0000daa800 R14: 0000000000000390 R15: ffff888038fdf838
FS:  00007fa593ba4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3f5f9c0718 CR3: 00000000415f6000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 copy_page_from_iter+0x251/0x430
 blk_rq_map_user_iov+0xb41/0x16c0
 blk_rq_map_user_io+0x1d1/0x200
 sg_common_write.constprop.0+0xd8d/0x15f0
 sg_write.part.0+0x698/0xa90
 sg_write+0x8d/0xe0
 vfs_write+0x2cf/0xdd0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fa59662eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa593ba4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa596741f60 RCX: 00007fa59662eb19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007fa596688f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe276fd4bf R14: 00007fa593ba4300 R15: 0000000000022000
 </TASK>
irq event stamp: 6269
hardirqs last  enabled at (6293): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6430): [<ffffffff8442487f>] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last  enabled at (2234): [<ffffffff8118247f>] irq_exit_rcu+0x11f/0x190
softirqs last disabled at (1731): [<ffffffff8118247f>] irq_exit_rcu+0x11f/0x190
---[ end trace 0000000000000000 ]---
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.6 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.7 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.6 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.4 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
   program syz-executor.7 not setting count and/or reply_len properly
Bluetooth: hci3: unexpected event 0x35 length: 3 < 6
Bluetooth: hci3: unexpected event 0x35 length: 3 < 6
Bluetooth: hci3: unexpected event 0x35 length: 3 < 6
Bluetooth: hci3: unexpected event 0x35 length: 3 < 6
Bluetooth: hci3: unexpected event 0x35 length: 3 < 6