sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.4 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4159 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 4159 Comm: syz-executor.4 Not tainted 6.2.0-rc3-next-20230109 #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 65 35 32 02 e8 8c 28 37 ff be 79 02 00 00 48 c7 c7 40 d5 9e 84 e8 fb d4 5a ff e9 48 fe ff ff e8 71 28 37 ff <0f> 0b 45 31 f6 eb 87 e8 65 28 37 ff 31 ff 89 ee e8 2c 24 37 ff 40
RSP: 0018:ffff8880464575e8 EFLAGS: 00010216
RAX: 0000000000003778 RBX: 0000000000000000 RCX: ffffc90006a06000
RDX: 0000000000040000 RSI: ffffffff821249ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046457818
R13: ffffea0000656400 R14: 0000000000001000 R15: ffff888046457818
FS:  00007fa7af669700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7af667f98 CR3: 00000000142a2000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 copy_page_from_iter+0xe3/0x180
 blk_rq_map_user_iov+0xb0c/0x1650
 blk_rq_map_user_io+0x1ee/0x220
 sg_common_write.constprop.0+0xd84/0x15e0
 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: 0033:0x7fa7b20f3b19
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:00007fa7af669188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa7b2206f60 RCX: 00007fa7b20f3b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000004
RBP: 00007fa7b214df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd633bbfef R14: 00007fa7af669300 R15: 0000000000022000
 </TASK>
irq event stamp: 1175
hardirqs last  enabled at (1185): [<ffffffff812e0ce8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1196): [<ffffffff812e0ccd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (564): [<ffffffff81181dbb>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (515): [<ffffffff81181dbb>] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.4 not setting count and/or reply_len properly
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4