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: 15296 Comm: syz-executor6 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b5099800 task.stack: ffff8801b6078000
RIP: 0010:[<ffffffff8266a656>]  [<ffffffff8266a656>] sg_read_oxfer drivers/scsi/sg.c:1966 [inline]
RIP: 0010:[<ffffffff8266a656>]  [<ffffffff8266a656>] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519
RSP: 0018:ffff8801b607fac0  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266a61d
RDX: 0000000000000000 RSI: ffffc900041f2000 RDI: ffff8801b9990170
RBP: ffff8801b607fbc8 R08: 0000000000000000 R09: ffffed0036bbdb19
R10: 0000000000000005 R11: ffffed0036bbdb18 R12: 0000000000001000
R13: 0000000000000000 R14: ffff8801b5ded8a0 R15: ffff8801b9990140
FS:  00007fc7074d0700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005000 CR3: 00000001cc3a8000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d407f040 ffff8801b607faf0 ffff8801b9990158 ffff8801000000da
 0000000000000000 ffff8801b9990168 00000000000000fe 0000000000000246
 ffff8801cfd7af00 1ffff10036c0ff64 0000000020791f02 0000000020791f26
Call Trace:
 [<ffffffff8156cca1>] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714
 [<ffffffff81570b10>] do_loop_readv_writev fs/read_write.c:880 [inline]
 [<ffffffff81570b10>] do_readv_writev+0x520/0x750 fs/read_write.c:874
 [<ffffffff81570dc4>] vfs_readv+0x84/0xc0 fs/read_write.c:898
 [<ffffffff81570ee6>] do_readv+0xe6/0x250 fs/read_write.c:924
 [<ffffffff815743d7>] SYSC_readv fs/read_write.c:1011 [inline]
 [<ffffffff815743d7>] SyS_readv+0x27/0x30 fs/read_write.c:1008
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
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 
RIP  [<ffffffff8266a656>] sg_read_oxfer drivers/scsi/sg.c:1966 [inline]
RIP  [<ffffffff8266a656>] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519
 RSP <ffff8801b607fac0>
---[ end trace 2dd3782c783c9420 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..