program syz-executor.4 not setting count and/or reply_len properly
loop3: detected capacity change from 0 to 40
------------[ cut here ]------------
loop0: detected capacity change from 0 to 40
WARNING: CPU: 1 PID: 7401 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 7401 Comm: syz-executor.4 Not tainted 6.2.0-next-20230224 #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 12 b9 34 02 e8 f9 ce 35 ff be 73 02 00 00 48 c7 c7 20 d7 9e 84 e8 38 b1 59 ff e9 51 fe ff ff e8 de ce 35 ff <0f> 0b 45 31 f6 eb 87 e8 d2 ce 35 ff 31 ff 89 ee e8 39 ca 35 ff 40
RSP: 0018:ffff88801bfe7608 EFLAGS: 00010216
RAX: 0000000000000df6 RBX: 0000000000000000 RCX: ffffc900037e3000
RDX: 0000000000040000 RSI: ffffffff8215a6d2 RDI: 0000000000000001
RBP: 00000000000000fb R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801bfe7838 R14: 00000000000000fb R15: ffff88801bfe7838
FS:  00007fbfd672f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c522000 CR3: 000000004457a000 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+0x698/0xac0
 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: 0033:0x7fbfd91b9b19
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:00007fbfd672f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbfd92ccf60 RCX: 00007fbfd91b9b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007fbfd9213f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd02a234cf R14: 00007fbfd672f300 R15: 0000000000022000
 </TASK>
irq event stamp: 1815
hardirqs last  enabled at (1825): [<ffffffff812fa738>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1836): [<ffffffff812fa71d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1852): [<ffffffff8118dd1c>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1845): [<ffffffff8118dd1c>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO
sg_write: data in/out 125/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.4 not setting count and/or reply_len properly
loop0: detected capacity change from 0 to 40