Re: [PATCH] powerpc/mm: don't log user reads to 0xffffffff

2020-01-28 Thread Michael Ellerman
On Mon, 2019-12-23 at 07:54:22 UTC, Christophe Leroy wrote: > Running vdsotest leaves many times the following log: > > [ 79.629901] vdsotest[396]: User access of kernel address () - > exploit attempt? (uid: 0) > > A pointer set to (-1) is likely a programming error similar to > a NULL

[PATCH] powerpc/mm: don't log user reads to 0xffffffff

2019-12-22 Thread Christophe Leroy
Running vdsotest leaves many times the following log: [ 79.629901] vdsotest[396]: User access of kernel address () - exploit attempt? (uid: 0) A pointer set to (-1) is likely a programming error similar to a NULL pointer and is not worth logging as an exploit attempt. Don't log user a