------------[ cut here ]------------
WARNING: CPU: 3 PID: 359 at drivers/ata/libata-core.c:5394 ata_qc_issue+0x519/0xea0 drivers/ata/libata-core.c:5393
Kernel panic - not syncing: panic_on_warn set ...

CPU: 3 PID: 359 Comm: syz-executor5 Not tainted 4.13.0-next-20170906+ #16
kvm [312]: vcpu0, guest rIP: 0x9135 disabled perfctr wrmsr: 0xc1 data 0x4000
kvm [312]: vcpu0, guest rIP: 0x9135 disabled perfctr wrmsr: 0xc2 data 0x0
kvm [312]: vcpu0, guest rIP: 0x9135 ignored wrmsr: 0x11e data 0x0
kvm [312]: vcpu0, guest rIP: 0x9135 disabled perfctr wrmsr: 0x187 data 0x4000
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:ata_qc_issue+0x519/0xea0 drivers/ata/libata-core.c:5393
RSP: 0018:ffff880050ca70b0 EFLAGS: 00010016
RAX: 0000000000010000 RBX: 0000000000000001 RCX: ffffc90001a81000
RDX: 000000000000043b RSI: ffffffff83619979 RDI: ffff88006b810260
RBP: ffff880050ca71c8 R08: ffff880067f1ddd8 R09: ffff88006b8101e8
R10: 0000000000000004 R11: ffffed000d702040 R12: 0000000000000000
R13: ffff88006b8123ec R14: ffff88006b8101c8 R15: ffff88006b810040
 ata_scsi_translate+0x34a/0x5e0 drivers/ata/libata-scsi.c:2023
 __ata_scsi_queuecmd drivers/ata/libata-scsi.c:4325 [inline]
 ata_scsi_queuecmd+0x2ae/0x6b0 drivers/ata/libata-scsi.c:4374
 scsi_dispatch_cmd+0x432/0xb60 drivers/scsi/scsi_lib.c:1712
 scsi_request_fn+0xdf0/0x1e50 drivers/scsi/scsi_lib.c:1847
 __blk_run_queue_uncond block/blk-core.c:376 [inline]
 __blk_run_queue+0x1a6/0x370 block/blk-core.c:396
 blk_execute_rq_nowait+0x200/0x310 block/blk-exec.c:78
 sg_common_write.isra.17+0xbf8/0x1cb0 drivers/scsi/sg.c:806
 sg_write+0x7a6/0xca0 drivers/scsi/sg.c:677
 __vfs_write+0xef/0x970 fs/read_write.c:468
 vfs_write+0x18f/0x510 fs/read_write.c:518
 SYSC_write fs/read_write.c:565 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:557
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x447299
RSP: 002b:00007feacd6bbc08 EFLAGS: 00000292 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000447299
RDX: 0000000000000030 RSI: 0000000020e79f70 RDI: 0000000000000005
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 00000000ffffffff
R13: 00000000000058b0 R14: 00000000006e8970 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..