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: 6106 Comm: syzkaller258057 Not tainted 4.4.116-g17c7c49 #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d3c7c800 task.stack: ffff8800b64c0000
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:ffff8800b64c7a80  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825badce
RDX: 0000000000000000 RSI: 00000000200001e4 RDI: ffff8800a985c370
RBP: ffff8800b64c7b88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff10016c98f16 R12: 000000000000006c
R13: 0000000000000000 R14: ffff8800b6f8d5a0 R15: ffff8800a985c340
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f76fbb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000080fec6c CR3: 00000000b6b8e000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8161b3d3 ffff8801da001500 00000000024000c0 ffff8800a985c358
 ffff8800b93c2200 ffff8800a985c368 0000000000000090 0000000000000000
 ffff8800b76fef00 0000000000001000 1ffff10016c98f5c 00000000200001e4
Call Trace:
 [<ffffffff8151d881>] do_loop_readv_writev+0x141/0x1e0 fs/read_write.c:680
 [<ffffffff8152041f>] compat_do_readv_writev+0x5df/0x6e0 fs/read_write.c:984
 [<ffffffff815205f9>] compat_readv+0xd9/0x140 fs/read_write.c:1013
 [<ffffffff81522968>] C_SYSC_readv fs/read_write.c:1033 [inline]
 [<ffffffff81522968>] compat_SyS_readv+0xd8/0x1b0 fs/read_write.c:1022
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff837763aa>] sysenter_flags_fixed+0xd/0x17
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 <ffff8800b64c7a80>
---[ end trace 6afc72b21210b9a3 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..