sg_write: data in/out 167162/1 bytes for SCSI command 0xff-- 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: 13767 Comm: syz-executor5 Not tainted 4.9.91-gcc88c05 #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b64db000 task.stack: ffff8801b6f58000
RIP: 0010:[<ffffffff8266b874>]  [<ffffffff8266b874>] sg_read_oxfer drivers/scsi/sg.c:1968 [inline]
RIP: 0010:[<ffffffff8266b874>]  [<ffffffff8266b874>] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519
RSP: 0018:ffff8801b6f5fa40  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266b83b
RDX: 0000000000000000 RSI: ffffc900074f3000 RDI: ffff8801cf2b4370
RBP: ffff8801b6f5fb50 R08: 0000000000000000 R09: ffffed003addff49
R10: 0000000000000005 R11: ffffed003addff48 R12: 0000000000000000
R13: ffff8801cf2b4200 R14: ffff8801d6effa20 R15: ffff8801cf2b4340
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f5790b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020e94000 CR3: 00000001d6d28000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff844ddde0 0000000000000105 ffff8801cf2b4358 ffff88010000ff99
 0000000000000246 ffff8801cf2b4368 ffff8801cfdd4c80 ffffffff83be47a0
 000000000000ffbd 1ffff10036debf54 0000000000001000 0000000020e94024
Call Trace:
 [<ffffffff8156c168>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff8157134f>] do_loop_readv_writev fs/read_write.c:1097 [inline]
 [<ffffffff8157134f>] compat_do_readv_writev+0x5ff/0x740 fs/read_write.c:1091
 [<ffffffff81571573>] compat_readv+0xe3/0x150 fs/read_write.c:1120
 [<ffffffff815716d4>] do_compat_readv+0xf4/0x1d0 fs/read_write.c:1140
 [<ffffffff81573c46>] C_SYSC_readv fs/read_write.c:1152 [inline]
 [<ffffffff81573c46>] compat_SyS_readv+0x26/0x30 fs/read_write.c:1148
 [<ffffffff81006f95>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b9b90>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a1 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 f6 05 00 00 48 8b 1b 48 85 db 0f 84 63 03 00 
RIP  [<ffffffff8266b874>] sg_read_oxfer drivers/scsi/sg.c:1968 [inline]
RIP  [<ffffffff8266b874>] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519
 RSP <ffff8801b6f5fa40>
---[ end trace 4eb86fda6a52ef8a ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..