Process accounting resumed
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.2 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4017 at lib/iov_iter.c:376 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4017 Comm: syz-executor.2 Not tainted 6.3.0-rc3-next-20230327 #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 52 46 34 02 e8 a9 89 36 ff be 7c 01 00 00 48 c7 c7 60 c4 9e 84 e8 d8 7e 5a ff e9 51 fe ff ff e8 8e 89 36 ff <0f> 0b 45 31 f6 eb 87 e8 82 89 36 ff 31 ff 89 ee e8 b9 84 36 ff 40
RSP: 0018:ffff888016d4f608 EFLAGS: 00010202
RAX: 0000000000003b20 RBX: 0000000000000000 RCX: ffffc90003ff3000
RDX: 0000000000040000 RSI: ffffffff8214ff52 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffff888016d4f838 R14: 0000000000001000 R15: ffff888016d4f838
FS:  00007f1af2aef700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe721d38f0 CR3: 0000000019982000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 copy_page_from_iter+0xe3/0x180
 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+0x2d8/0xdd0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f1af5579b19
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:00007f1af2aef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1af568cf60 RCX: 00007f1af5579b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f1af55d3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce1797e0f R14: 00007f1af2aef300 R15: 0000000000022000
 </TASK>
irq event stamp: 48041
hardirqs last  enabled at (48241): [<ffffffff812f95c8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (48614): [<ffffffff812f95ad>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (25162): [<ffffffff8118dbfc>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (24211): [<ffffffff8118dbfc>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.2 not setting count and/or reply_len properly
loop0: detected capacity change from 0 to 264192
audit: type=1400 audit(1679981888.477:12): avc:  denied  { relabelto } for  pid=4059 comm="syz-executor.4" name="RAW" dev="sockfs" ino=15017 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:tmp_t:s0 tclass=rawip_socket permissive=1
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor.2 not setting count and/or reply_len properly
netlink: 4436 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 4436 bytes leftover after parsing attributes in process `syz-executor.6'.
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=4068 comm=syz-executor.3
Process accounting resumed
loop0: detected capacity change from 0 to 264192
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=4068 comm=syz-executor.3