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
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5077 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 5077 Comm: syz-executor.4 Not tainted 6.2.0-rc4-next-20230120 #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 95 42 33 02 e8 cc cc 37 ff be 79 02 00 00 48 c7 c7 80 e3 9e 84 e8 3b 68 5b ff e9 48 fe ff ff e8 b1 cc 37 ff <0f> 0b 45 31 f6 eb 87 e8 a5 cc 37 ff 31 ff 89 ee e8 6c c8 37 ff 40
RSP: 0018:ffff888018267608 EFLAGS: 00010212
RAX: 0000000000000e0e RBX: 0000000000000000 RCX: ffffc90004df0000
RDX: 0000000000040000 RSI: ffffffff8211ac4f RDI: 0000000000000001
RBP: 0000000000000390 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018267838
R13: ffffea0000fdfc00 R14: 0000000000000390 R15: ffff888018267838
FS:  00007efd8fe0a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba9ad503e0 CR3: 000000004203e000 CR4: 0000000000350ee0
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: 0033:0x7efd928b5b19
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:00007efd8fe0a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efd929c9020 RCX: 00007efd928b5b19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000006
RBP: 00007efd9290ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbae5380f R14: 00007efd8fe0a300 R15: 0000000000022000
 </TASK>
irq event stamp: 15397
hardirqs last  enabled at (15451): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (15500): [<ffffffff8442a24f>] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last  enabled at (10762): [<ffffffff81182fef>] irq_exit_rcu+0x11f/0x190
softirqs last disabled at (10219): [<ffffffff81182fef>] irq_exit_rcu+0x11f/0x190
---[ end trace 0000000000000000 ]---
syz-executor.6 (5039) used greatest stack depth: 24040 bytes left
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
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout