On Wed, Jan 2, 2013 at 8:53 AM, Nitin Gupta <ngupta@xxxxxxxxxx> 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
>
Greg: can you please add this to staging? It fixes an important issue
and is tested by many users.
Nitin
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