1965979 pages RAM
0 pages HighMem/MovableOnly
320236 pages reserved
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 25813 Comm: syz-executor6 Not tainted 4.9.63-g44a3afc #92
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d0f6b000 task.stack: ffff8801d00d8000
RIP: 0010:[<ffffffff82665a6c>] 
 [<ffffffff82665a6c>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
 [<ffffffff82665a6c>] sg_read+0xd0c/0x1440 drivers/scsi/sg.c:520
RSP: 0018:ffff8801d00dfac0  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90003ca6000
RDX: 0000000000000000 RSI: 00000000000000c8 RDI: ffff8801cc7c0170
RBP: ffff8801d00dfbc8 R08: 0000000000000000 R09: ffffed003b186525
R10: 0000000000000005 R11: ffffed003b186524 R12: 0000000000001000
R13: 0000000000000000 R14: ffff8801d8c32900 R15: ffff8801cc7c0140
FS:  00007fa79da85700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020fc9fb0 CR3: 00000001c642d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d4cf39c0
 ffff8801d00dfaf0 ffff8801cc7c0158 ffff8801000000c8[  141.332570]  0000000000000000
 ffff8801cc7c0168 00000000000000ec 0000000000000246[  141.332584]  ffff8801d1bd1b80
 1ffff1003a01bf64 0000000020690f14 0000000020690f38[  141.332596] Call Trace:
 [<ffffffff8156cd71>] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714
 [<ffffffff81570be0>] do_loop_readv_writev fs/read_write.c:880 [inline]
 [<ffffffff81570be0>] do_readv_writev+0x520/0x750 fs/read_write.c:874
 [<ffffffff81570e94>] vfs_readv+0x84/0xc0 fs/read_write.c:898
 [<ffffffff81570fb6>] do_readv+0xe6/0x250 fs/read_write.c:924
 [<ffffffff815744a7>] SYSC_readv fs/read_write.c:1011 [inline]
 [<ffffffff815744a7>] SyS_readv+0x27/0x30 fs/read_write.c:1008
 [<ffffffff838ad705>] entry_SYSCALL_64_fastpath+0x23/0xc6
Code: 
00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8a 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 df 05 00 00 48 8b 1b 48 85 db 0f 84 51 03 00 [  141.332910] RIP 
 [<ffffffff82665a6c>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
 [<ffffffff82665a6c>] sg_read+0xd0c/0x1440 drivers/scsi/sg.c:520
---[ end trace 8159b8a56d1c6efe ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..