[PATCH] powerpc/book3s64/kuap: Improve error reporting with KUAP
Michael Ellerman
patch-notifications at ellerman.id.au
Tue Dec 15 22:05:05 AEDT 2020
On Tue, 8 Dec 2020 08:45:39 +0530, Aneesh Kumar K.V wrote:
> This partially reverts commit eb232b162446 ("powerpc/book3s64/kuap: Improve
> error reporting with KUAP") and update the fault handler to print
>
> [ 55.022514] Kernel attempted to access user page (7e6725b70000) - exploit attempt? (uid: 0)
> [ 55.022528] BUG: Unable to handle kernel data access on read at 0x7e6725b70000
> [ 55.022533] Faulting instruction address: 0xc000000000e8b9bc
> [ 55.022540] Oops: Kernel access of bad area, sig: 11 [#1]
> ....
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/book3s64/kuap: Improve error reporting with KUAP
https://git.kernel.org/powerpc/c/475c8749d9542392d7e0855097d29ed14877ad0a
cheers
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