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

2020-12-15 Thread Michael Ellerman
Michael Ellerman 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 (7e67

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

2020-12-15 Thread Michael Ellerman
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 (7e6725b7) - exploit > attempt?

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

2020-12-10 Thread Michael Ellerman
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 (7e6725b7) - exploit > attempt?

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

2020-12-07 Thread Aneesh Kumar K.V
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 (7e6725b7) - exploit attempt? (uid: 0) [ 55.022528] BUG: Unable to handle kernel data access on r