sg_write: data in/out 12746717/39 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor5 not setting count and/or reply_len properly
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: 0 PID: 8536 Comm: syz-executor5 Not tainted 4.9.80-g20c8a00 #30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c3221800 task.stack: ffff8801c5020000
RIP: 0010:[<ffffffff8266a5d6>]  [<ffffffff8266a5d6>] sg_read_oxfer drivers/scsi/sg.c:1966 [inline]
RIP: 0010:[<ffffffff8266a5d6>]  [<ffffffff8266a5d6>] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519
RSP: 0018:ffff8801c5027ac0  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266a59d
RDX: 0000000000000000 RSI: ffffc90003709000 RDI: ffff8801cbae0170
RBP: ffff8801c5027bc8 R08: 0000000000000000 R09: ffffed003821a6f5
R10: 0000000000000005 R11: ffffed003821a6f4 R12: 0000000000001000
R13: 0000000000000000 R14: ffff8801c10d3780 R15: ffff8801cbae0140
FS:  00007fddd3298700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000205c9fab CR3: 00000001cbdc6000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d62e2200 ffff8801c5027af0 ffff8801cbae0158 ffff880120c7fed4
 0000000000000000 ffff8801cbae0168 0000000020c7fef8 0000000000000246
 ffff8801cfde4c80 1ffff10038a04f64 00000000205c9fab 00000000205c9fcf
Call Trace:
 [<ffffffff8156cc21>] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714
 [<ffffffff81570a90>] do_loop_readv_writev fs/read_write.c:880 [inline]
 [<ffffffff81570a90>] do_readv_writev+0x520/0x750 fs/read_write.c:874
 [<ffffffff81570d44>] vfs_readv+0x84/0xc0 fs/read_write.c:898
 [<ffffffff81570e66>] do_readv+0xe6/0x250 fs/read_write.c:924
 [<ffffffff81574357>] SYSC_readv fs/read_write.c:1011 [inline]
 [<ffffffff81574357>] 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  [<ffffffff8266a5d6>] sg_read_oxfer drivers/scsi/sg.c:1966 [inline]
RIP  [<ffffffff8266a5d6>] sg_read+0xd06/0x1440 drivers/scsi/sg.c:519
 RSP <ffff8801c5027ac0>
---[ end trace f8895a9cd2a1b3d2 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..