Hello,
Hauke Mehrtens wrote:
> The bounds check used the uninitialized variable vaddr, it should use
> the given parameter kaddr instead. When using the uninitialized value
> the compiler assumed it to be 0 and optimized this function to just
> return 0 in all cases.
>
> This should make the function check the range of the given address and
> only do the page map check in case it is in the expected range of
> virtual addresses.
>
> Fixes: 074a1e1167af ("MIPS: Bounds check virt_addr_valid")
> Cc: stable@xxxxxxxxxxxxxxx # v4.12+
> Cc: Paul Burton <paul.burton@xxxxxxxx>
> Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
Applied to mips-fixes.
Thanks,
Paul
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