kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3794 Comm: syz-executor4 Not tainted 4.13.0-next-20170913+ #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c4174340 task.stack: ffff8801c4060000
RIP: 0010:perf_trace_block_get_rq+0x697/0x970 include/trace/events/block.h:384
RSP: 0018:ffff8801c40673f0 EFLAGS: 00010246
RAX: 0000000000010000 RBX: 1ffff1003880ce84 RCX: 1ffffd1ffff85e06
RDX: dffffc0000000001 RSI: ffffffff822c4a4f RDI: ffffe8ffffc2f030
RBP: ffff8801c4067530 R08: 1ffff1003b643e6c R09: ffffe8ffffc2f05c
R10: 0000000000000002 R11: fffff91ffff85e0c R12: ffffe8ffffc35340
R13: ffffe8ffffc2f028 R14: ffffffff85caf240 R15: 0000000000000000
FS:  00007f04d475a700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000a000 CR3: 00000001c40f7000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 trace_block_getrq include/trace/events/block.h:423 [inline]
 __get_request block/blk-core.c:1283 [inline]
 get_request+0x1518/0x23b0 block/blk-core.c:1355
 blk_old_get_request block/blk-core.c:1402 [inline]
 blk_get_request+0x1d8/0x3c0 block/blk-core.c:1427
 sg_scsi_ioctl+0x117/0x750 block/scsi_ioctl.c:451
 sg_ioctl+0x192d/0x2ed0 drivers/scsi/sg.c:1070
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x451e59
RSP: 002b:00007f04d4759c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59
RDX: 0000000020001000 RSI: 0000000100000001 RDI: 000000000000001b
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b6c74
R13: 00000000ffffffff R14: 0000000020fd0000 R15: 0000000000000080
Code: df 48 89 f9 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e e1 02 00 00 48 ba 01 00 00 00 00 fc ff df 41 c7 45 08 00 00 00 00 <80> 3a 00 0f 85 b7 02 00 00 4c 8b 3c 25 08 00 00 00 48 ba 00 00 
RIP: perf_trace_block_get_rq+0x697/0x970 include/trace/events/block.h:384 RSP: ffff8801c40673f0
---[ end trace d23155eeb591010e ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..