[PATCH] powerpc/book3s64/kuap: Improve error reporting with KUAP

Michael Ellerman mpe at ellerman.id.au
Tue Dec 15 22:09:46 AEDT 2020


Michael Ellerman <patch-notifications at ellerman.id.au> writes:
> 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/eb232b1624462752dc916d9015b31ecdac0a01f1

This is wrong, the script was confused by two patches with the exact
same subject. See the other mail.

cheers


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