Re: [syzbot] [usb-storage?] divide error in isd200_ata_command

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On Mon, Feb 26, 2024 at 09:46:39PM -0500, Martin K. Petersen wrote:
> 
> Alan,
> 
> >> in isd200_scsi_to_ata() because it must not be called before
> >> isd200_get_inquiry_data() has completed.
> >
> > It can't be; isd200_get_inquiry_data is called by
> > isd200_Initialization during probe before any SCSI commands are
> > transmitted.
> 
> How do we end up with bad inquiry data (or rather bad ATA ID data)?

The data doesn't come from an actual ISD200 device.  It's from a 
deliberately faulty (for the obvious reason) emulation in userspace, 
created by the syzbot test code.

Alan Stern




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