vhci_hcd: release socket
vhci_hcd: unlink cleanup rx 18
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: 1 PID: 1868 Comm: vhci_tx Not tainted 4.14.210-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880918462c0 task.stack: ffff88805a3d8000
RIP: 0010:sock_sendmsg_nosec net/socket.c:646 [inline]
RIP: 0010:sock_sendmsg+0x60/0x100 net/socket.c:656
RSP: 0018:ffff88805a3dfc20 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000005 RSI: ffff88805a3dfd80 RDI: 0000000000000028
RBP: ffff88805a3dfd80 R08: 0000000000000030 R09: ffffed100b47bfab
R10: ffff88805a3dfd5f R11: 0000000000066071 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88805a3dfda0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020200000 CR3: 000000009cbec000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vhci_send_cmd_submit+0x50e/0xeb0 drivers/usb/usbip/vhci_tx.c:153
 vhci_tx_loop+0xc7/0x2d0 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: 89 ee 4c 89 ef e8 61 68 0d fd 85 c0 41 89 c4 75 79 e8 35 f9 7f fb 49 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 70 48 b8 00 00 00 00 00 fc ff df 4d 8b 65 28 49 
RIP: sock_sendmsg_nosec net/socket.c:646 [inline] RSP: ffff88805a3dfc20
RIP: sock_sendmsg+0x60/0x100 net/socket.c:656 RSP: ffff88805a3dfc20
vhci_hcd: connection reset by peer
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(5)
vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
---[ end trace 4f2471189ab5bbec ]---