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    SubjectRe: zram: fix invalid memory references during disk write
    On Fri, Dec 07, 2012 at 04:50:37PM -0800, Nitin Gupta wrote:
    > On Thu, Nov 29, 2012 at 10:45 PM, Nitin Gupta <ngupta@vflare.org> wrote:
    > > Fixes a bug introduced by commit c8f2f0db1 ("zram: Fix handling
    > > of incompressible pages") which caused invalid memory references
    > > during disk write. Invalid references could occur in two cases:
    > > - Incoming data expands on compression: In this case, reference was
    > > made to kunmap()'ed bio page.
    > > - Partial (non PAGE_SIZE) write with incompressible data: In this
    > > case, reference was made to a kfree()'ed buffer.
    > >
    > > Fixes bug 50081:
    > > https://bugzilla.kernel.org/show_bug.cgi?id=50081
    > >
    > > Upstream commit ID: c8f2f0d: zram: Fix handling of incompressible pages
    > > Apply to versions: 3.6.5, 3.6.6, 3.6.7, 3.6.8
    > >
    >
    > Greg: can you please apply these patches to above stable versions
    > and also 3.6.9?

    Hm, sorry, I thought this was for the 3.7 tree, I'll queue this up for
    the next round of 3.6-stable patches.

    thanks,

    greg k-h


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