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: 0 PID: 3331 Comm: syzkaller586881 Not tainted 4.4.107-g610c835 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d19cc740 task.stack: ffff8800b4298000
RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read_oxfer drivers/scsi/sg.c:1986 [inline]
RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490 drivers/scsi/sg.c:531
RSP: 0018:ffff8800b429fa80  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
RDX: 0000000000000000 RSI: 0000000020692f5a RDI: ffff8801d51f4370
RBP: ffff8800b429fb88 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff10016853f16 R12: 00000000000000a6
R13: 0000000000000000 R14: ffff8801d0fc54e0 R15: ffff8801d51f4340
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7773b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020692f36 CR3: 00000001d0443000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000002 0000000000000002 ffff8800b429fc40 ffff8801d51f4358
 0000000041b58ab3 ffff8801d51f4368 00000000000000ca ffff8801d19cc740
 ffff8801d56cef00 0000000000001000 1ffff10016853f5c 0000000020692f5a
Call Trace:
 [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0 fs/read_write.c:680
 [<ffffffff8151dedf>] compat_do_readv_writev+0x5df/0x6e0 fs/read_write.c:984
 [<ffffffff8151e0b9>] compat_readv+0xd9/0x140 fs/read_write.c:1013
 [<ffffffff81520448>] C_SYSC_readv fs/read_write.c:1033 [inline]
 [<ffffffff81520448>] compat_SyS_readv+0xd8/0x1b0 fs/read_write.c:1022
 [<ffffffff81006d84>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff837754d7>] 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  [<ffffffff825bb1cd>] sg_read_oxfer drivers/scsi/sg.c:1986 [inline]
RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490 drivers/scsi/sg.c:531
 RSP <ffff8800b429fa80>
---[ end trace d22f79c519d3c17b ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..