sg_write: data in/out 301/287 bytes for SCSI command 0x54-- guessing data in;
   program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12815 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 12815 Comm: syz-executor.7 Not tainted 6.2.0-rc8-next-20230217 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2b2/0x1140
Code: 5d 41 5e 41 5f e9 32 fc 33 02 e8 29 e8 35 ff be 70 01 00 00 48 c7 c7 e0 d4 9e 84 e8 08 dd 59 ff e9 51 fe ff ff e8 0e e8 35 ff <0f> 0b 45 31 f6 eb 87 e8 02 e8 35 ff 31 ff 89 ee e8 69 e3 35 ff 40
RSP: 0018:ffff888041d27608 EFLAGS: 00010216
RAX: 0000000000000e2c RBX: 0000000000000000 RCX: ffffc9000d85b000
RDX: 0000000000040000 RSI: ffffffff821593b2 RDI: 0000000000000001
RBP: 000000000000012d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888041d27838 R14: 000000000000012d R15: ffff888041d27838
FS:  00007fdc04514700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f94416cf018 CR3: 000000004456e000 CR4: 0000000000350ef0
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+0x698/0xac0
 sg_write+0x8d/0xe0
 vfs_write+0x2cf/0xdc0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fdc06f9eb19
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:00007fdc04514188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdc070b1f60 RCX: 00007fdc06f9eb19
RDX: 000000000000014d RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fdc06ff8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdef65f40f R14: 00007fdc04514300 R15: 0000000000022000
 </TASK>
irq event stamp: 1043
hardirqs last  enabled at (1049): [<ffffffff81302a64>] vprintk_emit+0x504/0x560
hardirqs last disabled at (1054): [<ffffffff813029fb>] vprintk_emit+0x49b/0x560
softirqs last  enabled at (378): [<ffffffff8118dd1c>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (267): [<ffffffff8118dd1c>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 301/287 bytes for SCSI command 0x54-- guessing data in;
   program syz-executor.7 not setting count and/or reply_len properly