| Message ID | 1529979376-7292-3-git-send-email-linuxram@us.ibm.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
| Series | [1/2] powerpc/core-pkeys: execute-permission on keys are disabled by default | expand |
Ram Pai <linuxram@us.ibm.com> writes: > Only when the key is allocated, its permission are enabled. > > Signed-off-by: Ram Pai <linuxram@us.ibm.com> > --- > tools/testing/selftests/powerpc/ptrace/core-pkey.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c > index 36bc312..b353d86 100644 > --- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c > +++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c > @@ -140,6 +140,10 @@ static int child(struct shared_info *info) > > if (disable_execute) > info->iamr |= 1ul << pkeyshift(pkey1); > + else > + info->iamr &= ~(1ul << pkeyshift(pkey1)); > + info->iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3)); > + > > info->uamor |= 3ul << pkeyshift(pkey1) | 3ul << pkeyshift(pkey2); Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c index 36bc312..b353d86 100644 --- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c +++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c @@ -140,6 +140,10 @@ static int child(struct shared_info *info) if (disable_execute) info->iamr |= 1ul << pkeyshift(pkey1); + else + info->iamr &= ~(1ul << pkeyshift(pkey1)); + info->iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3)); + info->uamor |= 3ul << pkeyshift(pkey1) | 3ul << pkeyshift(pkey2);
Only when the key is allocated, its permission are enabled. Signed-off-by: Ram Pai <linuxram@us.ibm.com> --- tools/testing/selftests/powerpc/ptrace/core-pkey.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)