syzbot

hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
ion_heap_create: Heap type is disabled: 1
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.205-syzkaller #0
task: ffff8801da5f0000 task.stack: ffff8801da5f8000
RIP: 0010:[<ffffffff820ae082>]  [<ffffffff820ae082>] ion_heap_destroy+0x32/0xd0 drivers/staging/android/ion/ion_heap.c:363
RSP: 0000:ffff8801da5ffda8  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffffff820ae06c RDI: 000000000000001a
RBP: ffff8801da5ffdb8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffea
R13: ffff8801d7d9f908 R14: dffffc0000000000 R15: ffffffffffffffea
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88021ffff000 CR3: 0000000002e0a000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 dffffc0000000000 ffffffffffffffea ffff8801da5ffdf0 ffffffff8324d8e0
 ffffffff82e11080 ffff8801d7da4340 dffffc0000000000 ffffffff8324d61f
 ffff8801da5ffeb0 ffff8801da5ffed8 ffffffff810004ab 0000000082ab2920
Call Trace:
 [<ffffffff8324d8e0>] ion_dummy_init+0x2c1/0x36d drivers/staging/android/ion/ion_dummy_driver.c:116
 [<ffffffff810004ab>] do_one_initcall+0x13b/0x260 init/main.c:793
 [<ffffffff831d5b01>] do_initcall_level init/main.c:858 [inline]
 [<ffffffff831d5b01>] do_initcalls init/main.c:866 [inline]
 [<ffffffff831d5b01>] do_basic_setup init/main.c:884 [inline]
 [<ffffffff831d5b01>] kernel_init_freeable+0x2fa/0x3c3 init/main.c:1029
 [<ffffffff82692f74>] kernel_init+0x12/0x15e init/main.c:957
 [<ffffffff826a55c5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Code: 89 fc 48 83 ec 08 e8 1e d8 24 ff 4d 85 e4 74 53 e8 14 d8 24 ff 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 83 00 00 00 41 8b 54 24 30 
RIP  [<ffffffff820ae082>] ion_heap_destroy+0x32/0xd0 drivers/staging/android/ion/ion_heap.c:363
 RSP <ffff8801da5ffda8>
---[ end trace 917ada9a8dd8be47 ]---