sg_write: data in/out 134348763/216 bytes for SCSI command 0x9f-- guessing data in;
   program syz-executor6 not setting count and/or reply_len properly
sg_write: data in/out 134348763/216 bytes for SCSI command 0x9f-- guessing data in;
   program syz-executor3 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 accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7278 Comm: syz-executor7 Not tainted 4.4.120-gd63fdf6 #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800b4f8b000 task.stack: ffff8800b4ed0000
RIP: 0010:[<ffffffff825bab57>]  [<ffffffff825bab57>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
RIP: 0010:[<ffffffff825bab57>]  [<ffffffff825bab57>] sg_read+0xd17/0x1490 drivers/scsi/sg.c:530
RSP: 0018:ffff8800b4ed7b50  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bab1e
RDX: 0000000000000000 RSI: 0000000020000024 RDI: ffff8800b4a80170
RBP: ffff8800b4ed7c58 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff100169daf30 R12: 0000000000000076
R13: 0000000000000000 R14: ffff8800b50fbb40 R15: ffff8800b4a80140
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7772b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000200006c0 CR3: 00000001d26dc000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000000 0000000000000000 0000000000000000 ffff8800b4a80158
 0000000000000000 ffff8800b4a80168 000000000000009a 0000000000000000
 ffff8800b779ea00 0000000000001000 1ffff100169daf76 0000000020000024
Call Trace:
 [<ffffffff8151cf33>] __vfs_read+0x103/0x440 fs/read_write.c:432
 [<ffffffff8151edd3>] vfs_read+0x123/0x3a0 fs/read_write.c:454
 [<ffffffff81521719>] SYSC_read fs/read_write.c:569 [inline]
 [<ffffffff81521719>] SyS_read+0xd9/0x1b0 fs/read_write.c:562
 [<ffffffff81006d91>] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline]
 [<ffffffff81006d91>] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459
 [<ffffffff837752ea>] 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  [<ffffffff825bab57>] sg_read_oxfer drivers/scsi/sg.c:1976 [inline]
RIP  [<ffffffff825bab57>] sg_read+0xd17/0x1490 drivers/scsi/sg.c:530
 RSP <ffff8800b4ed7b50>
---[ end trace 16631548f74e320b ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..