Re: Floppy ioctl range clamping fixes

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On Thu, Jul 18, 2019 at 09:29:06PM -0700, Linus Torvalds wrote:
> Hmm. I just realized when I saw Sasha's autoselect patches flying by
> that the floppy ioctl fixes didn't get marked for stable, but they
> probably should be.
> 
> There's four commits:
> 
>   da99466ac243 floppy: fix out-of-bounds read in copy_buffer
>   9b04609b7840 floppy: fix invalid pointer dereference in drive_name
>   5635f897ed83 floppy: fix out-of-bounds read in next_valid_format
>   f3554aeb9912 floppy: fix div-by-zero in setup_format_params
> 
> that look like stable material - even if I sincerely hope that the
> floppy driver isn't critical for anybody.
> 
> I leave it to the stable people to decide if they care. I don't think
> the hardware matters any more, but I could imagine that people still
> use it for some virtual images and have a floppy device inside a VM
> for that reason.

Thanks for the reminder, I'll queue these up for the next round of
stable releases after the next ones go out in a day or so.

greg k-h



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