vhci_hcd: release socket
usb 13-1: new high-speed USB device number 21 using vhci_hcd
vhci_hcd: disconnect device
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 16060 Comm: vhci_tx Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880924b2640 task.stack: ffff88804e4d0000
RIP: 0010:selinux_socket_sendmsg+0x70/0x260 security/selinux/hooks.c:4628
RSP: 0018:ffff88804e4d7ae8 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 1ffff11009c9af5d RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff88804e4d7d80 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0000000000000030 R09: ffffed1009c9afab
R10: ffff88804e4d7d5f R11: 0000000000058071 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88804e4d7d80 R15: 0000000000000030
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556248fa6ac8 CR3: 00000000a8611000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 security_socket_sendmsg+0x76/0xb0 security/security.c:1378
 sock_sendmsg+0x3f/0x100 net/socket.c:653
 vhci_send_cmd_submit+0x510/0xdd0 drivers/usb/usbip/vhci_tx.c:153
 vhci_tx_loop+0x9d/0x260 drivers/usb/usbip/vhci_tx.c:257
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: c7 00 f1 f1 f1 f1 c7 40 08 f2 f2 f2 f2 c7 40 10 00 00 00 f3 c7 40 14 f3 f3 f3 f3 e8 fb 1e 91 fe 48 8d 7d 20 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 b9 01 00 00 48 b8 00 00 00 00 00 fc ff df 
RIP: selinux_socket_sendmsg+0x70/0x260 security/selinux/hooks.c:4628 RSP: ffff88804e4d7ae8
---[ end trace 16f97438958860d8 ]---