sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 55644 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 55644 Comm: syz-executor.1 Not tainted 6.2.0-rc5-next-20230123 #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 35 4a 33 02 e8 7c c3 37 ff be 79 02 00 00 48 c7 c7 80 e4 9e 84 e8 5b 5f 5b ff e9 48 fe ff ff e8 61 c3 37 ff <0f> 0b 45 31 f6 eb 87 e8 55 c3 37 ff 31 ff 89 ee e8 1c bf 37 ff 40
RSP: 0018:ffff888037b2f608 EFLAGS: 00010212
RAX: 0000000000004f46 RBX: 0000000000000000 RCX: ffffc90005e1e000
RDX: 0000000000040000 RSI: ffffffff8211b5af RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888037b2f838
R13: ffffea0000e21a00 R14: 0000000000001000 R15: ffff888037b2f838
FS:  00007f38ed213700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee1a4c2f60 CR3: 000000003ff72000 CR4: 0000000000350ee0
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: 0033:0x7f38efc9db19
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:00007f38ed213188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f38efdb0f60 RCX: 00007f38efc9db19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f38efcf7f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce149220f R14: 00007f38ed213300 R15: 0000000000022000
 </TASK>
irq event stamp: 2539
hardirqs last  enabled at (2549): [<ffffffff812e2238>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2588): [<ffffffff812e221d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (828): [<ffffffff8118303f>] irq_exit_rcu+0x11f/0x190
softirqs last disabled at (717): [<ffffffff8118303f>] irq_exit_rcu+0x11f/0x190
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
random: crng reseeded on system resumption
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
random: crng reseeded on system resumption
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
random: crng reseeded on system resumption
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
random: crng reseeded on system resumption
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.1 not setting count and/or reply_len properly
random: crng reseeded on system resumption
warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=57172 comm=syz-executor.5
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22
SELinux: security_context_str_to_sid (staff_u) failed with errno=-22