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Re-enable PKU support

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Also add a testcase for PKU support
This commit is contained in:
Hui, Chunyang 2023-09-18 11:38:15 +00:00 committed by volcano
parent 50e4653e12
commit f280a9c382
3 changed files with 97 additions and 40 deletions
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5
.github/workflows/hw_mode_test.yml vendored
View File

@ -166,7 +166,7 @@ jobs:
runs-on: ${{ matrix.self_runner }}
strategy:
matrix:
self_runner: [[self-hosted, SGX2-HW]]
self_runner: [[self-hosted, SGX2-HW, PKU]]
steps:
- name: Clean before running
@ -205,6 +205,9 @@ jobs:
- name: Run processBuilder
run: docker exec ${{ env.CONTAINER_NAME }} bash -c "cd /root/occlum/demos/java && ./run_java_on_occlum.sh processBuilder"
- name: Run hello PKU
run: docker exec ${{ env.CONTAINER_NAME }} bash -c "cd /root/occlum/demos/java && ./run_java_on_occlum.sh hello_pku"
- name: Clean the environment
if: ${{ always() }}
run: docker stop ${{ env.CONTAINER_NAME }}

19
demos/java/run_java_on_occlum.sh
View File

@ -6,7 +6,7 @@ NC='\033[0m'
show_usage() {
echo "Error: invalid arguments"
echo "Usage: $0 web_app/hello/processBuilder"
echo "Usage: $0 web_app/hello/processBuilder/hello_pku"
exit 1
}
@ -33,6 +33,10 @@ init_instance() {
echo "${new_json}" > Occlum.json
}
update_pku_config() {
new_json="$(jq '.metadata.pkru = 1' Occlum.json)" && echo "${new_json}" > Occlum.json
}
build_web() {
# Copy JVM and JAR file into Occlum instance and build
rm -rf image
@ -66,6 +70,16 @@ run_hello() {
occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:-UseCompressedOops -XX:MaxMetaspaceSize=64m -Dos.name=Linux Main
}
run_hello_pku() {
hello=./hello_world/Main.class
check_file_exist ${hello}
init_instance
update_pku_config
build_hello
echo -e "${BLUE}occlum run JVM hello with PKU enabled${NC}"
occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:-UseCompressedOops -XX:MaxMetaspaceSize=64m -Dos.name=Linux Main
}
build_processBuilder() {
# Copy JVM and class file into Occlum instance and build
rm -rf image
@ -97,6 +111,9 @@ case "$arg" in
processBuilder)
run_processBuilder
;;
hello_pku)
run_hello_pku
;;
*)
show_usage
esac

97
src/libos/src/util/pku_util.rs
View File

@ -1,5 +1,6 @@
use super::*;
use crate::vm::{VMPerms, VMRange};
use std::sync::atomic::{AtomicBool, Ordering};
/// Status variable accessed by assembly code
@ -31,55 +32,91 @@ pub fn check_pku_enabled() -> bool {
PKU_ENABLED.load(Ordering::Acquire)
}
pub fn pkey_mprotect_userspace_mem(user_mem_base: usize, user_mem_len: usize, perm: i32) {
pub fn pkey_mprotect_userspace_mem(
user_space_range: &VMRange,
gap_range: Option<&VMRange>,
perm: VMPerms,
) {
if !self::check_pku_enabled() {
return;
}
let mut retval = -1;
debug!(
"associate memory region: 0x{:x} -> 0x{:x}, size: 0x{:x} with pkey for userspace: {:?}",
user_mem_base,
user_mem_base + user_mem_len,
user_mem_len,
user_space_range.start(),
user_space_range.end(),
user_space_range.size(),
PKEY_USER
);
let sgx_status = unsafe {
occlum_ocall_pkey_mprotect(
&mut retval,
user_mem_base as *const c_void,
user_mem_len,
perm,
PKEY_USER,
)
};
pkey_mprotect_user_space(user_space_range, gap_range, perm.bits() as i32, PKEY_USER);
}
pub fn clear_pku_when_libos_exit(
user_space_range: &VMRange,
gap_range: Option<&VMRange>,
perm: VMPerms,
) {
if !self::check_pku_enabled() {
return;
}
debug!(
"re-associate memory region 0x{:x} -> 0x{:x}, size: 0x{:x} with pkey for libos: {:?}",
user_space_range.start(),
user_space_range.end(),
user_space_range.size(),
PKEY_LIBOS
);
pkey_mprotect_user_space(user_space_range, gap_range, perm.bits() as i32, PKEY_LIBOS);
debug!("free pkey: {:?}", PKEY_USER);
let mut retval = -1;
let sgx_status = unsafe { occlum_ocall_pkey_free(&mut retval, PKEY_USER) };
assert!(sgx_status == sgx_status_t::SGX_SUCCESS && retval == 0);
}
pub fn clear_pku_when_libos_exit(user_mem_base: usize, user_mem_len: usize, perm: i32) {
if !self::check_pku_enabled() {
return;
}
fn pkey_mprotect_user_space(
user_space_range: &VMRange,
gap_range: Option<&VMRange>,
perm: i32,
pkey: i32,
) {
let mut retval = -1;
debug!(
"re-associate memory region 0x{:x} -> 0x{:x}, size: 0x{:x} with pkey for libos: {:?}",
user_mem_base,
user_mem_base + user_mem_len,
user_mem_len,
PKEY_LIBOS
);
if let Some(gap_range) = gap_range {
// user_space_left
let user_space_left = VMRange::new(user_space_range.start(), gap_range.start()).unwrap();
let user_space_right = VMRange::new(gap_range.end(), user_space_range.end()).unwrap();
let sgx_status = unsafe {
occlum_ocall_pkey_mprotect(
&mut retval,
user_mem_base as *const c_void,
user_mem_len,
user_space_left.start() as *const c_void,
user_space_left.size(),
perm,
PKEY_LIBOS,
pkey,
)
};
assert!(sgx_status == sgx_status_t::SGX_SUCCESS && retval == 0);
debug!("free pkey: {:?}", PKEY_USER);
let sgx_status = unsafe { occlum_ocall_pkey_free(&mut retval, PKEY_USER) };
let sgx_status = unsafe {
occlum_ocall_pkey_mprotect(
&mut retval,
user_space_right.start() as *const c_void,
user_space_right.size(),
perm,
pkey,
)
};
} else {
let sgx_status = unsafe {
occlum_ocall_pkey_mprotect(
&mut retval,
user_space_range.start() as *const c_void,
user_space_range.size(),
perm,
pkey,
)
};
assert!(sgx_status == sgx_status_t::SGX_SUCCESS && retval == 0);
}
}
extern "C" {