general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 12122 Comm: vhci_tx Not tainted 5.12.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:selinux_socket_sendmsg+0x1e/0x40 security/selinux/hooks.c:4937
Code: 98 e4 2c fe eb ea 66 0f 1f 44 00 00 53 48 89 fb e8 f7 33 e9 fd 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 0f 48 8b 7b 18 be 04 00 00 00 5b e9 4d fc ff ff e8
RSP: 0000:ffffc90001f87ba0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffffff838a0549 RDI: 0000000000000018
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff85996f36
R10: ffffffff83888f3c R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000030 R14: ffffc90001f87ce8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000041b8b0 CR3: 000000000bc8e000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 security_socket_sendmsg+0x50/0xb0 security/security.c:2154
 sock_sendmsg+0x3f/0x120 net/socket.c:671
 vhci_send_cmd_submit+0x897/0xf90 drivers/usb/usbip/vhci_tx.c:139
 vhci_tx_loop+0xfc/0x370 drivers/usb/usbip/vhci_tx.c:241
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 764df789f1e6e710 ]---
RIP: 0010:selinux_socket_sendmsg+0x1e/0x40 security/selinux/hooks.c:4937
Code: 98 e4 2c fe eb ea 66 0f 1f 44 00 00 53 48 89 fb e8 f7 33 e9 fd 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 0f 48 8b 7b 18 be 04 00 00 00 5b e9 4d fc ff ff e8
RSP: 0000:ffffc90001f87ba0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffffff838a0549 RDI: 0000000000000018
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff85996f36
R10: ffffffff83888f3c R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000030 R14: ffffc90001f87ce8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa63a903100 CR3: 000000001b88c000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400