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-rw-r--r--tools/testing/selftests/exec/Makefile4
-rwxr-xr-xtools/testing/selftests/exec/binfmt_script.py10
-rw-r--r--tools/testing/selftests/exec/execveat.c12
-rw-r--r--tools/testing/selftests/exec/load_address.c34
-rw-r--r--tools/testing/selftests/exec/recursion-depth.c53
-rw-r--r--tools/testing/selftests/mm/gup_test.c2
-rw-r--r--tools/testing/selftests/mm/protection_keys.c6
-rw-r--r--tools/testing/selftests/mm/soft-dirty.c2
-rw-r--r--tools/testing/selftests/mm/split_huge_page_test.c2
-rw-r--r--tools/testing/selftests/mm/uffd-common.c3
-rw-r--r--tools/testing/selftests/mm/uffd-common.h2
-rw-r--r--tools/testing/selftests/mm/uffd-unit-tests.c13
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_bottomup.c23
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_default.c23
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_test.h107
15 files changed, 151 insertions, 145 deletions
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index a0b8688b0836..fb4472ddffd8 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -19,8 +19,8 @@ include ../lib.mk
$(OUTPUT)/subdir:
mkdir -p $@
-$(OUTPUT)/script:
- echo '#!/bin/sh' > $@
+$(OUTPUT)/script: Makefile
+ echo '#!/bin/bash' > $@
echo 'exit $$*' >> $@
chmod +x $@
$(OUTPUT)/execveat.symlink: $(OUTPUT)/execveat
diff --git a/tools/testing/selftests/exec/binfmt_script.py b/tools/testing/selftests/exec/binfmt_script.py
index 05f94a741c7a..2c575a2c0eab 100755
--- a/tools/testing/selftests/exec/binfmt_script.py
+++ b/tools/testing/selftests/exec/binfmt_script.py
@@ -16,6 +16,8 @@ SIZE=256
NAME_MAX=int(subprocess.check_output(["getconf", "NAME_MAX", "."]))
test_num=0
+pass_num=0
+fail_num=0
code='''#!/usr/bin/perl
print "Executed interpreter! Args:\n";
@@ -42,7 +44,7 @@ foreach my $a (@ARGV) {
# ...
def test(name, size, good=True, leading="", root="./", target="/perl",
fill="A", arg="", newline="\n", hashbang="#!"):
- global test_num, tests, NAME_MAX
+ global test_num, pass_num, fail_num, tests, NAME_MAX
test_num += 1
if test_num > tests:
raise ValueError("more binfmt_script tests than expected! (want %d, expected %d)"
@@ -80,16 +82,20 @@ def test(name, size, good=True, leading="", root="./", target="/perl",
if good:
print("ok %d - binfmt_script %s (successful good exec)"
% (test_num, name))
+ pass_num += 1
else:
print("not ok %d - binfmt_script %s succeeded when it should have failed"
% (test_num, name))
+ fail_num = 1
else:
if good:
print("not ok %d - binfmt_script %s failed when it should have succeeded (rc:%d)"
% (test_num, name, proc.returncode))
+ fail_num = 1
else:
print("ok %d - binfmt_script %s (correctly failed bad exec)"
% (test_num, name))
+ pass_num += 1
# Clean up crazy binaries
os.unlink(script)
@@ -166,6 +172,8 @@ test(name="two-under-trunc-arg", size=int(SIZE/2), arg=" ")
test(name="two-under-leading", size=int(SIZE/2), leading=" ")
test(name="two-under-lead-trunc-arg", size=int(SIZE/2), leading=" ", arg=" ")
+print("# Totals: pass:%d fail:%d xfail:0 xpass:0 skip:0 error:0" % (pass_num, fail_num))
+
if test_num != tests:
raise ValueError("fewer binfmt_script tests than expected! (ran %d, expected %d"
% (test_num, tests))
diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index 0546ca24f2b2..6418ded40bdd 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -98,10 +98,9 @@ static int check_execveat_invoked_rc(int fd, const char *path, int flags,
if (child == 0) {
/* Child: do execveat(). */
rc = execveat_(fd, path, argv, envp, flags);
- ksft_print_msg("execveat() failed, rc=%d errno=%d (%s)\n",
+ ksft_print_msg("child execveat() failed, rc=%d errno=%d (%s)\n",
rc, errno, strerror(errno));
- ksft_test_result_fail("%s\n", test_name);
- exit(1); /* should not reach here */
+ exit(errno);
}
/* Parent: wait for & check child's exit status. */
rc = waitpid(child, &status, 0);
@@ -226,11 +225,14 @@ static int check_execveat_pathmax(int root_dfd, const char *src, int is_script)
* "If the command name is found, but it is not an executable utility,
* the exit status shall be 126."), so allow either.
*/
- if (is_script)
+ if (is_script) {
+ ksft_print_msg("Invoke script via root_dfd and relative filename\n");
fail += check_execveat_invoked_rc(root_dfd, longpath + 1, 0,
127, 126);
- else
+ } else {
+ ksft_print_msg("Invoke exec via root_dfd and relative filename\n");
fail += check_execveat(root_dfd, longpath + 1, 0);
+ }
return fail;
}
diff --git a/tools/testing/selftests/exec/load_address.c b/tools/testing/selftests/exec/load_address.c
index d487c2f6a615..17e3207d34ae 100644
--- a/tools/testing/selftests/exec/load_address.c
+++ b/tools/testing/selftests/exec/load_address.c
@@ -5,6 +5,7 @@
#include <link.h>
#include <stdio.h>
#include <stdlib.h>
+#include "../kselftest.h"
struct Statistics {
unsigned long long load_address;
@@ -41,28 +42,23 @@ int main(int argc, char **argv)
unsigned long long misalign;
int ret;
+ ksft_print_header();
+ ksft_set_plan(1);
+
ret = dl_iterate_phdr(ExtractStatistics, &extracted);
- if (ret != 1) {
- fprintf(stderr, "FAILED\n");
- return 1;
- }
+ if (ret != 1)
+ ksft_exit_fail_msg("FAILED: dl_iterate_phdr\n");
- if (extracted.alignment == 0) {
- fprintf(stderr, "No alignment found\n");
- return 1;
- } else if (extracted.alignment & (extracted.alignment - 1)) {
- fprintf(stderr, "Alignment is not a power of 2\n");
- return 1;
- }
+ if (extracted.alignment == 0)
+ ksft_exit_fail_msg("FAILED: No alignment found\n");
+ else if (extracted.alignment & (extracted.alignment - 1))
+ ksft_exit_fail_msg("FAILED: Alignment is not a power of 2\n");
misalign = extracted.load_address & (extracted.alignment - 1);
- if (misalign) {
- printf("alignment = %llu, load_address = %llu\n",
- extracted.alignment, extracted.load_address);
- fprintf(stderr, "FAILED\n");
- return 1;
- }
+ if (misalign)
+ ksft_exit_fail_msg("FAILED: alignment = %llu, load_address = %llu\n",
+ extracted.alignment, extracted.load_address);
- fprintf(stderr, "PASS\n");
- return 0;
+ ksft_test_result_pass("Completed\n");
+ ksft_finished();
}
diff --git a/tools/testing/selftests/exec/recursion-depth.c b/tools/testing/selftests/exec/recursion-depth.c
index 2dbd5bc45b3e..b2f37d86a5f6 100644
--- a/tools/testing/selftests/exec/recursion-depth.c
+++ b/tools/testing/selftests/exec/recursion-depth.c
@@ -23,45 +23,44 @@
#include <fcntl.h>
#include <sys/mount.h>
#include <unistd.h>
+#include "../kselftest.h"
int main(void)
{
+ int fd, rv;
+
+ ksft_print_header();
+ ksft_set_plan(1);
+
if (unshare(CLONE_NEWNS) == -1) {
if (errno == ENOSYS || errno == EPERM) {
- fprintf(stderr, "error: unshare, errno %d\n", errno);
- return 4;
+ ksft_test_result_skip("error: unshare, errno %d\n", errno);
+ ksft_finished();
}
- fprintf(stderr, "error: unshare, errno %d\n", errno);
- return 1;
- }
- if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) {
- fprintf(stderr, "error: mount '/', errno %d\n", errno);
- return 1;
+ ksft_exit_fail_msg("error: unshare, errno %d\n", errno);
}
+
+ if (mount(NULL, "/", NULL, MS_PRIVATE | MS_REC, NULL) == -1)
+ ksft_exit_fail_msg("error: mount '/', errno %d\n", errno);
+
/* Require "exec" filesystem. */
- if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1) {
- fprintf(stderr, "error: mount ramfs, errno %d\n", errno);
- return 1;
- }
+ if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1)
+ ksft_exit_fail_msg("error: mount ramfs, errno %d\n", errno);
#define FILENAME "/tmp/1"
- int fd = creat(FILENAME, 0700);
- if (fd == -1) {
- fprintf(stderr, "error: creat, errno %d\n", errno);
- return 1;
- }
+ fd = creat(FILENAME, 0700);
+ if (fd == -1)
+ ksft_exit_fail_msg("error: creat, errno %d\n", errno);
+
#define S "#!" FILENAME "\n"
- if (write(fd, S, strlen(S)) != strlen(S)) {
- fprintf(stderr, "error: write, errno %d\n", errno);
- return 1;
- }
+ if (write(fd, S, strlen(S)) != strlen(S))
+ ksft_exit_fail_msg("error: write, errno %d\n", errno);
+
close(fd);
- int rv = execve(FILENAME, NULL, NULL);
- if (rv == -1 && errno == ELOOP) {
- return 0;
- }
- fprintf(stderr, "error: execve, rv %d, errno %d\n", rv, errno);
- return 1;
+ rv = execve(FILENAME, NULL, NULL);
+ ksft_test_result(rv == -1 && errno == ELOOP,
+ "execve failed as expected (ret %d, errno %d)\n", rv, errno);
+ ksft_finished();
}
diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c
index cbe99594d319..18a49c70d4c6 100644
--- a/tools/testing/selftests/mm/gup_test.c
+++ b/tools/testing/selftests/mm/gup_test.c
@@ -203,7 +203,7 @@ int main(int argc, char **argv)
ksft_print_header();
ksft_set_plan(nthreads);
- filed = open(file, O_RDWR|O_CREAT);
+ filed = open(file, O_RDWR|O_CREAT, 0664);
if (filed < 0)
ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));
diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c
index f822ae31af22..374a308174d2 100644
--- a/tools/testing/selftests/mm/protection_keys.c
+++ b/tools/testing/selftests/mm/protection_keys.c
@@ -1745,9 +1745,12 @@ void pkey_setup_shadow(void)
shadow_pkey_reg = __read_pkey_reg();
}
+pid_t parent_pid;
+
void restore_settings_atexit(void)
{
- cat_into_file(buf, "/proc/sys/vm/nr_hugepages");
+ if (parent_pid == getpid())
+ cat_into_file(buf, "/proc/sys/vm/nr_hugepages");
}
void save_settings(void)
@@ -1773,6 +1776,7 @@ void save_settings(void)
exit(__LINE__);
}
+ parent_pid = getpid();
atexit(restore_settings_atexit);
close(fd);
}
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c
index cc5f144430d4..7dbfa53d93a0 100644
--- a/tools/testing/selftests/mm/soft-dirty.c
+++ b/tools/testing/selftests/mm/soft-dirty.c
@@ -137,7 +137,7 @@ static void test_mprotect(int pagemap_fd, int pagesize, bool anon)
if (!map)
ksft_exit_fail_msg("anon mmap failed\n");
} else {
- test_fd = open(fname, O_RDWR | O_CREAT);
+ test_fd = open(fname, O_RDWR | O_CREAT, 0664);
if (test_fd < 0) {
ksft_test_result_skip("Test %s open() file failed\n", __func__);
return;
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
index 856662d2f87a..6c988bd2f335 100644
--- a/tools/testing/selftests/mm/split_huge_page_test.c
+++ b/tools/testing/selftests/mm/split_huge_page_test.c
@@ -223,7 +223,7 @@ void split_file_backed_thp(void)
ksft_exit_fail_msg("Fail to create file-backed THP split testing file\n");
}
- fd = open(testfile, O_CREAT|O_WRONLY);
+ fd = open(testfile, O_CREAT|O_WRONLY, 0664);
if (fd == -1) {
ksft_perror("Cannot open testing file");
goto cleanup;
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index b0ac0ec2356d..7ad6ba660c7d 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -18,6 +18,7 @@ bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
uffd_test_case_ops_t *uffd_test_case_ops;
+atomic_bool ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -518,6 +519,8 @@ void *uffd_poll_thread(void *arg)
pollfd[1].fd = pipefd[cpu*2];
pollfd[1].events = POLLIN;
+ ready_for_fork = true;
+
for (;;) {
ret = poll(pollfd, 2, -1);
if (ret <= 0) {
diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h
index cb055282c89c..cc5629c3d2aa 100644
--- a/tools/testing/selftests/mm/uffd-common.h
+++ b/tools/testing/selftests/mm/uffd-common.h
@@ -32,6 +32,7 @@
#include <inttypes.h>
#include <stdint.h>
#include <sys/random.h>
+#include <stdatomic.h>
#include "../kselftest.h"
#include "vm_util.h"
@@ -103,6 +104,7 @@ extern bool map_shared;
extern bool test_uffdio_wp;
extern unsigned long long *count_verify;
extern volatile bool test_uffdio_copy_eexist;
+extern atomic_bool ready_for_fork;
extern uffd_test_ops_t anon_uffd_test_ops;
extern uffd_test_ops_t shmem_uffd_test_ops;
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index 2b9f8cc52639..21ec23206ab4 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -775,6 +775,8 @@ static void uffd_sigbus_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
@@ -790,6 +792,9 @@ static void uffd_sigbus_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
@@ -829,6 +834,8 @@ static void uffd_events_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
true, wp, false))
@@ -838,6 +845,9 @@ static void uffd_events_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
@@ -1427,7 +1437,8 @@ uffd_test_case_t uffd_tests[] = {
.uffd_fn = uffd_sigbus_wp_test,
.mem_targets = MEM_ALL,
.uffd_feature_required = UFFD_FEATURE_SIGBUS |
- UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP,
+ UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP |
+ UFFD_FEATURE_WP_HUGETLBFS_SHMEM,
},
{
.name = "events",
diff --git a/tools/testing/selftests/riscv/mm/mmap_bottomup.c b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
index 1757d19ca89b..7f7d3eb8b9c9 100644
--- a/tools/testing/selftests/riscv/mm/mmap_bottomup.c
+++ b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
@@ -6,30 +6,9 @@
TEST(infinite_rlimit)
{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
EXPECT_EQ(BOTTOM_UP, memory_layout());
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
+ TEST_MMAPS;
}
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/riscv/mm/mmap_default.c b/tools/testing/selftests/riscv/mm/mmap_default.c
index c63c60b9397e..2ba3ec990006 100644
--- a/tools/testing/selftests/riscv/mm/mmap_default.c
+++ b/tools/testing/selftests/riscv/mm/mmap_default.c
@@ -6,30 +6,9 @@
TEST(default_rlimit)
{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
EXPECT_EQ(TOP_DOWN, memory_layout());
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
+ TEST_MMAPS;
}
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/riscv/mm/mmap_test.h b/tools/testing/selftests/riscv/mm/mmap_test.h
index 2e0db9c5be6c..3b29ca3bb3d4 100644
--- a/tools/testing/selftests/riscv/mm/mmap_test.h
+++ b/tools/testing/selftests/riscv/mm/mmap_test.h
@@ -4,63 +4,86 @@
#include <sys/mman.h>
#include <sys/resource.h>
#include <stddef.h>
+#include <strings.h>
+#include "../../kselftest_harness.h"
#define TOP_DOWN 0
#define BOTTOM_UP 1
-struct addresses {
- int *no_hint;
- int *on_37_addr;
- int *on_38_addr;
- int *on_46_addr;
- int *on_47_addr;
- int *on_55_addr;
- int *on_56_addr;
+#if __riscv_xlen == 64
+uint64_t random_addresses[] = {
+ 0x19764f0d73b3a9f0, 0x016049584cecef59, 0x3580bdd3562f4acd,
+ 0x1164219f20b17da0, 0x07d97fcb40ff2373, 0x76ec528921272ee7,
+ 0x4dd48c38a3de3f70, 0x2e11415055f6997d, 0x14b43334ac476c02,
+ 0x375a60795aff19f6, 0x47f3051725b8ee1a, 0x4e697cf240494a9f,
+ 0x456b59b5c2f9e9d1, 0x101724379d63cb96, 0x7fe9ad31619528c1,
+ 0x2f417247c495c2ea, 0x329a5a5b82943a5e, 0x06d7a9d6adcd3827,
+ 0x327b0b9ee37f62d5, 0x17c7b1851dfd9b76, 0x006ebb6456ec2cd9,
+ 0x00836cd14146a134, 0x00e5c4dcde7126db, 0x004c29feadf75753,
+ 0x00d8b20149ed930c, 0x00d71574c269387a, 0x0006ebe4a82acb7a,
+ 0x0016135df51f471b, 0x00758bdb55455160, 0x00d0bdd949b13b32,
+ 0x00ecea01e7c5f54b, 0x00e37b071b9948b1, 0x0011fdd00ff57ab3,
+ 0x00e407294b52f5ea, 0x00567748c200ed20, 0x000d073084651046,
+ 0x00ac896f4365463c, 0x00eb0d49a0b26216, 0x0066a2564a982a31,
+ 0x002e0d20237784ae, 0x0000554ff8a77a76, 0x00006ce07a54c012,
+ 0x000009570516d799, 0x00000954ca15b84d, 0x0000684f0d453379,
+ 0x00002ae5816302b5, 0x0000042403fb54bf, 0x00004bad7392bf30,
+ 0x00003e73bfa4b5e3, 0x00005442c29978e0, 0x00002803f11286b6,
+ 0x000073875d745fc6, 0x00007cede9cb8240, 0x000027df84cc6a4f,
+ 0x00006d7e0e74242a, 0x00004afd0b836e02, 0x000047d0e837cd82,
+ 0x00003b42405efeda, 0x00001531bafa4c95, 0x00007172cae34ac4,
+};
+#else
+uint32_t random_addresses[] = {
+ 0x8dc302e0, 0x929ab1e0, 0xb47683ba, 0xea519c73, 0xa19f1c90, 0xc49ba213,
+ 0x8f57c625, 0xadfe5137, 0x874d4d95, 0xaa20f09d, 0xcf21ebfc, 0xda7737f1,
+ 0xcedf392a, 0x83026c14, 0xccedca52, 0xc6ccf826, 0xe0cd9415, 0x997472ca,
+ 0xa21a44c1, 0xe82196f5, 0xa23fd66b, 0xc28d5590, 0xd009cdce, 0xcf0be646,
+ 0x8fc8c7ff, 0xe2a85984, 0xa3d3236b, 0x89a0619d, 0xc03db924, 0xb5d4cc1b,
+ 0xb96ee04c, 0xd191da48, 0xb432a000, 0xaa2bebbc, 0xa2fcb289, 0xb0cca89b,
+ 0xb0c18d6a, 0x88f58deb, 0xa4d42d1c, 0xe4d74e86, 0x99902b09, 0x8f786d31,
+ 0xbec5e381, 0x9a727e65, 0xa9a65040, 0xa880d789, 0x8f1b335e, 0xfc821c1e,
+ 0x97e34be4, 0xbbef84ed, 0xf447d197, 0xfd7ceee2, 0xe632348d, 0xee4590f4,
+ 0x958992a5, 0xd57e05d6, 0xfd240970, 0xc5b0dcff, 0xd96da2c2, 0xa7ae041d,
};
+#endif
// Only works on 64 bit
#if __riscv_xlen == 64
-static inline void do_mmaps(struct addresses *mmap_addresses)
-{
- /*
- * Place all of the hint addresses on the boundaries of mmap
- * sv39, sv48, sv57
- * User addresses end at 1<<38, 1<<47, 1<<56 respectively
- */
- void *on_37_bits = (void *)(1UL << 37);
- void *on_38_bits = (void *)(1UL << 38);
- void *on_46_bits = (void *)(1UL << 46);
- void *on_47_bits = (void *)(1UL << 47);
- void *on_55_bits = (void *)(1UL << 55);
- void *on_56_bits = (void *)(1UL << 56);
+#define PROT (PROT_READ | PROT_WRITE)
+#define FLAGS (MAP_PRIVATE | MAP_ANONYMOUS)
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+/* mmap must return a value that doesn't use more bits than the hint address. */
+static inline unsigned long get_max_value(unsigned long input)
+{
+ unsigned long max_bit = (1UL << (((sizeof(unsigned long) * 8) - 1 -
+ __builtin_clzl(input))));
- mmap_addresses->no_hint =
- mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_37_addr =
- mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_38_addr =
- mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_46_addr =
- mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_47_addr =
- mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_55_addr =
- mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_56_addr =
- mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ return max_bit + (max_bit - 1);
}
+
+#define TEST_MMAPS \
+ ({ \
+ void *mmap_addr; \
+ for (int i = 0; i < ARRAY_SIZE(random_addresses); i++) { \
+ mmap_addr = mmap((void *)random_addresses[i], \
+ 5 * sizeof(int), PROT, FLAGS, 0, 0); \
+ EXPECT_NE(MAP_FAILED, mmap_addr); \
+ EXPECT_GE((void *)get_max_value(random_addresses[i]), \
+ mmap_addr); \
+ mmap_addr = mmap((void *)random_addresses[i], \
+ 5 * sizeof(int), PROT, FLAGS, 0, 0); \
+ EXPECT_NE(MAP_FAILED, mmap_addr); \
+ EXPECT_GE((void *)get_max_value(random_addresses[i]), \
+ mmap_addr); \
+ } \
+ })
#endif /* __riscv_xlen == 64 */
static inline int memory_layout(void)
{
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
-
- void *value1 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
- void *value2 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
+ void *value1 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
+ void *value2 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
return value2 > value1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 18:24:09 +0000