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
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3967 Comm: syzkaller086512 Not tainted 4.4.116-g17c7c49 #17
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d8ca6000 task.stack: ffff8800bb160000
RIP: 0010:[<ffffffff825bae07>]  [<ffffffff825bae07>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
RIP: 0010:[<ffffffff825bae07>]  [<ffffffff825bae07>] sg_read+0xd17/0x1490 drivers/scsi/sg.c:530
RSP: 0018:ffff8800bb167b00  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825badce
RDX: 0000000000000000 RSI: 00000000200001e4 RDI: ffff8801d93b4370
RBP: ffff8800bb167c08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff1001762cf26 R12: 000000000000006c
R13: 0000000000000000 R14: ffff8801d9176c00 R15: ffff8801d93b4340
FS:  00007ff75e836700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff75e835e78 CR3: 00000000ae72e000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000090 ffffea0007483240 0000000000000000 ffff8801d93b4358
 ffff8800bb167b70 ffff8801d93b4368 0000000000000090 ffff8801d20c9590
 ffff8801d4a93900 0000000000001000 1ffff1001762cf6c 00000000200001e4
Call Trace:
 [<ffffffff8151d881>] do_loop_readv_writev+0x141/0x1e0 fs/read_write.c:680
 [<ffffffff8151fbdd>] do_readv_writev+0x5dd/0x6e0 fs/read_write.c:810
 [<ffffffff8151fd58>] vfs_readv+0x78/0xb0 fs/read_write.c:834
 [<ffffffff81522089>] SYSC_readv fs/read_write.c:860 [inline]
 [<ffffffff81522089>] SyS_readv+0xd9/0x240 fs/read_write.c:852
 [<ffffffff83774a1f>] entry_SYSCALL_64_fastpath+0x1c/0x98
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 97 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 6b 06 00 00 48 8b 1b 48 85 db 0f 84 3b 03 00 
RIP  [<ffffffff825bae07>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
RIP  [<ffffffff825bae07>] sg_read+0xd17/0x1490 drivers/scsi/sg.c:530
 RSP <ffff8800bb167b00>
---[ end trace 08a190fb84faf845 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..