vhci_hcd: release socket vhci_hcd: unlink cleanup rx 9 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: 25628 Comm: vhci_tx Not tainted 4.14.209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888067a2e5c0 task.stack: ffff888025318000 RIP: 0010:sock_sendmsg_nosec net/socket.c:646 [inline] RIP: 0010:sock_sendmsg+0x60/0x100 net/socket.c:656 RSP: 0018:ffff88802531fc20 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000005 RSI: ffff88802531fd80 RDI: 0000000000000028 RBP: ffff88802531fd80 R08: 0000000000000030 R09: ffffed1004a63fab R10: ffff88802531fd5f R11: 0000000000066071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88802531fda0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002023b000 CR3: 000000006f88b000 CR4: 00000000001406f0 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 65 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: ffff88802531fc20 RIP: sock_sendmsg+0x60/0x100 net/socket.c:656 RSP: ffff88802531fc20 ---[ end trace 4ba841b853f7731a ]---