netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 3 PID: 29477 Comm: syz-executor4 Not tainted 4.14.0-next-20171114+ #14
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88006b652540 task.stack: ffff88006b4a0000
RIP: 0010:__lock_acquire+0x227/0x4740 kernel/locking/lockdep.c:3388
RSP: 0018:ffff88006b4a6b68 EFLAGS: 00010006
RAX: 0016002b86879700 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff100059fbb60 RSI: 0000000000000000 RDI: ffff88002cfddb00
RBP: ffff88006b4a7070 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8744dce0 R12: ffff88006b652540
R13: 0000000000000000 R14: 0000000000000001 R15: ffff88002cfddaf8
FS:  00007fd7e72bc700(0000) GS:ffff88007fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000431600 CR3: 000000007acc6000 CR4: 00000000000006e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x96/0xc0 kernel/locking/spinlock.c:159
 destroy_async_on_interface+0x136/0x530 drivers/usb/core/devio.c:656
 driver_disconnect+0xdd/0x140 drivers/usb/core/devio.c:702
 usb_unbind_interface+0x229/0xb00 drivers/usb/core/driver.c:423
 __device_release_driver drivers/base/dd.c:870 [inline]
 device_release_driver_internal+0x52a/0x600 drivers/base/dd.c:903
 device_release_driver+0x19/0x20 drivers/base/dd.c:928
 usb_driver_release_interface+0x138/0x160 drivers/usb/core/driver.c:604
 proc_disconnect_claim+0x221/0x380 drivers/usb/core/devio.c:2283
 usbdev_do_ioctl+0x16a5/0x3670 drivers/usb/core/devio.c:2525
 usbdev_ioctl+0x25/0x30 drivers/usb/core/devio.c:2553
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x447c99
RSP: 002b:00007fd7e72bbbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd7e72bc6cc RCX: 0000000000447c99
RDX: 000000002021c000 RSI: 000000008108551b RDI: 0000000000000013
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000008670 R14: 00000000006ec710 R15: 00007fd7e72bc700
Code: ff ff e8 6d 40 ff ff 48 85 c0 44 8b 95 a8 fb ff ff 8b 8d a0 fb ff ff 44 8b 8d 98 fb ff ff 4c 8b 9d 90 fb ff ff 0f 84 bb 0a 00 00 <f0> ff 80 38 01 00 00 49 8d b4 24 80 08 00 00 48 ba 00 00 00 00 
RIP: __lock_acquire+0x227/0x4740 kernel/locking/lockdep.c:3388 RSP: ffff88006b4a6b68
---[ end trace cad5d9476caf4220 ]---