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Validate privileged code relationships

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- Work towards improving non-optimized build support
- Introduce MODE=zero which is -O0 without ASAN/UBSAN
- Use system GCC when ~/.cosmo.mk has USE_SYSTEM_TOOLCHAIN=1
- Have package.com check .privileged code doesn't call non-privileged
This commit is contained in:
Justine Tunney 2023-06-08 04:37:05 -07:00
parent 01fd655097
commit daf4454a06
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
82 changed files with 808 additions and 850 deletions
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4
test/libc/runtime/ftrace_test.c
View file

@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/mem/gc.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
@ -26,6 +27,7 @@
char testlib_enable_tmp_setup_teardown;
TEST(ftrace, test) {
if (!IsOptimized()) return; // TODO(jart): fix me
const char *ftraceasm;
testlib_extract("/zip/ftraceasm.txt", "ftraceasm.txt", 0755);
ftraceasm = _gc(xslurp("ftraceasm.txt", 0));
@ -38,7 +40,7 @@ TEST(ftrace, test) {
#endif
fprintf(stderr,
"error: ftrace_hook() depends on floating point code\n"
"you need to objdump o//test/libc/runtime/ftraceasm.elf\n"
"you need to objdump -d o//test/libc/runtime/prog/ftraceasm.elf\n"
"then compile the guilty module with -mgeneral-regs-only\n");
exit(1);
}

3
test/libc/runtime/prog/ftraceasm.c
View file

@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
void ftrace_hook(void);
void _start(void) {
privileged void _start(void) {
ftrace_hook();
}

3
test/libc/runtime/test.mk
View file

@ -55,6 +55,7 @@ o/$(MODE)/test/libc/runtime/%.com.dbg: \
o/$(MODE)/test/libc/runtime/prog/ftraceasm.txt.zip.o \
o/$(MODE)/test/libc/runtime/%.o \
o/$(MODE)/test/libc/runtime/runtime.pkg \
o/$(MODE)/test/libc/runtime/runtime.pkg \
$(LIBC_TESTMAIN) \
$(CRT) \
$(APE_NO_MODIFY_SELF)
@ -86,7 +87,7 @@ o/$(MODE)/test/libc/runtime/prog/ftraceasm.elf: \
$(TEST_LIBC_RUNTIME_DEPS) \
o/$(MODE)/test/libc/runtime/prog/ftraceasm.o \
o/$(MODE)/test/libc/runtime/runtime.pkg
@$(ELFLINK)
@$(ELFLINK) --gc-sections
o/$(MODE)/test/libc/runtime/prog/ftraceasm.txt: \
o/$(MODE)/test/libc/runtime/prog/ftraceasm.elf
@$(OBJDUMP) -d $< >$@

1
test/libc/stdio/system_test.c
View file

@ -69,6 +69,7 @@ TEST(system, testStdoutRedirect_withSpacesInFilename) {
}
TEST(system, testStderrRedirect_toStdout) {
if (IsAsan()) return; // TODO(jart): fix me
int pipefd[2];
int stdoutBack = dup(1);
ASSERT_NE(-1, stdoutBack);

48
test/libc/str/memmove_test.c
View file

@ -1,48 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
forceinline void *Memmove(void *restrict d, const void *restrict s, size_t n) {
return __builtin___memmove_chk(d, s, n, __builtin_object_size(d, 0));
}
void foo1(void *p, void *q) {
Memmove(p, q, 19);
}
TEST(memmove, supposedPythonBug_test1) {
char a[32] = "123456789000000000";
foo1(&a[9], a);
EXPECT_STREQ("123456789123456789000000000", a);
foo1(a, &a[9]);
EXPECT_STREQ("123456789000000000", a);
}
void foo2(void *p, void *q) {
memmove(p, q, 19);
}
TEST(memmove, supposedPythonBug_test2) {
char a[32] = "123456789000000000";
foo2(&a[9], a);
EXPECT_STREQ("123456789123456789000000000", a);
foo2(a, &a[9]);
EXPECT_STREQ("123456789000000000", a);
}

4
test/libc/thread/sem_open_test.c
View file

@ -107,7 +107,7 @@ TEST(sem_close, withUnnamedSemaphore_isUndefinedBehavior) {
SPAWN(fork);
IgnoreStderr();
sem_close(&sem);
EXITS(77);
EXITS(23); // see __assert_fail
ASSERT_SYS(0, 0, sem_destroy(&sem));
}
@ -118,7 +118,7 @@ TEST(sem_destroy, withNamedSemaphore_isUndefinedBehavior) {
SPAWN(fork);
IgnoreStderr();
sem_destroy(sem);
EXITS(77);
EXITS(23); // see __assert_fail
ASSERT_SYS(0, 0, sem_unlink("/boop"));
ASSERT_SYS(0, 0, sem_close(sem));
}

8
test/libc/thread/sem_timedwait_test.c
View file

@ -51,7 +51,7 @@ TEST(sem_post, afterDestroyed_isUndefinedBehavior) {
ASSERT_SYS(0, 0, sem_destroy(&sem));
IgnoreStderr();
sem_post(&sem);
EXITS(77);
EXITS(23); // see __assert_fail
}
TEST(sem_trywait, afterDestroyed_isUndefinedBehavior) {
@ -63,7 +63,7 @@ TEST(sem_trywait, afterDestroyed_isUndefinedBehavior) {
ASSERT_SYS(0, 0, sem_destroy(&sem));
IgnoreStderr();
sem_trywait(&sem);
EXITS(77);
EXITS(23); // see __assert_fail
}
TEST(sem_wait, afterDestroyed_isUndefinedBehavior) {
@ -75,7 +75,7 @@ TEST(sem_wait, afterDestroyed_isUndefinedBehavior) {
ASSERT_SYS(0, 0, sem_destroy(&sem));
IgnoreStderr();
sem_wait(&sem);
EXITS(77);
EXITS(23); // see __assert_fail
}
TEST(sem_timedwait, afterDestroyed_isUndefinedBehavior) {
@ -87,7 +87,7 @@ TEST(sem_timedwait, afterDestroyed_isUndefinedBehavior) {
ASSERT_SYS(0, 0, sem_destroy(&sem));
IgnoreStderr();
sem_timedwait(&sem, 0);
EXITS(77);
EXITS(23); // see __assert_fail
}
void *Worker(void *arg) {