Re: scsi: sg: assorted memory corruptions

[Dmitry Vyukov]

On Thu, Feb 1, 2018 at 5:17 PM, Ben Hutchings
<ben.hutchings@xxxxxxxxxxxxxxx> wrote:
> On Thu, 2018-02-01 at 08:04 +0100, Dmitry Vyukov wrote:
>> On Thu, Feb 1, 2018 at 7:03 AM, Douglas Gilbert <dgilbert@xxxxxxxxxxxx> wrote:
>> > On 2018-01-30 07:22 AM, Dmitry Vyukov wrote:
> [...]
>> > > [1:0:0:0]    cd/dvd  QEMU     QEMU DVD-ROM     2.0.  /dev/sr0   /dev/sg1
>> > >
>> > > # readlink /sys/class/scsi_generic/sg0
>> > >
>> > > ../../devices/pci0000:00/0000:00:01.1/ata1/host0/target0:0:0/0:0:0:0/scsi_generic/sg0
>> > >
>> > > # cat /sys/class/scsi_generic/sg0/device/vendor
>> > > ATA
>> >
>> >
>> > ^^^^^
>> > That subsystem is the culprit IMO, most likely libata.
>> >
>> > Until you can show this test failing on something other than an
>> > ATA disk, then I will treat this issue as closed.
>>
>> Hi Doug,
>>
>> Why is bug in ATA not a bug? Is it long unused by everybody? I've got
>> it by running qemu with default flags...
>
> If the bug is in libata then it's not on Doug to fix it since he's only
> maintaining sg.


Then I think we need to CC ata maintainers rather than treat it as closed.
+Tejun, linux-ide@, you can see full thread here:
https://groups.google.com/forum/#!topic/syzkaller/9RNr9Gu0MyY