diff options
Diffstat (limited to 'compiler-rt/test/asan/TestCases/Darwin')
7 files changed, 176 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/Darwin/asan_gen_prefixes.cc b/compiler-rt/test/asan/TestCases/Darwin/asan_gen_prefixes.cc new file mode 100644 index 00000000000..13363ac4725 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/asan_gen_prefixes.cc @@ -0,0 +1,14 @@ +// Make sure __asan_gen_* strings have the correct prefixes on Darwin +// ("L" in __TEXT,__cstring, "l" in __TEXT,__const + +// RUN: %clang_asan %s -S -o %t.s +// RUN: cat %t.s | FileCheck %s || exit 1 + +int x, y, z; +int main() { return 0; } +// CHECK: .section{{.*}}__TEXT,__const +// CHECK: l___asan_gen_ +// CHECK: .section{{.*}}__TEXT,__cstring,cstring_literals +// CHECK: L___asan_gen_ +// CHECK: L___asan_gen_ +// CHECK: L___asan_gen_ diff --git a/compiler-rt/test/asan/TestCases/Darwin/interface_symbols_darwin.c b/compiler-rt/test/asan/TestCases/Darwin/interface_symbols_darwin.c new file mode 100644 index 00000000000..03042d62a54 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/interface_symbols_darwin.c @@ -0,0 +1,42 @@ +// Check the presense of interface symbols in the ASan runtime dylib. +// If you're changing this file, please also change +// ../Linux/interface_symbols.c + +// RUN: %clang_asan -dead_strip -O2 %s -o %t.exe +// RUN: rm -f %t.symbols %t.interface + +// RUN: nm -g `otool -L %t.exe | grep "asan_osx_dynamic.dylib" | \ +// RUN: tr -d '\011' | \ +// RUN: sed "s/.dylib.*/.dylib/"` \ +// RUN: | grep " T " | sed "s/.* T //" \ +// RUN: | grep "__asan_" | sed "s/___asan_/__asan_/" \ +// RUN: | grep -v "__asan_malloc_hook" \ +// RUN: | grep -v "__asan_free_hook" \ +// RUN: | grep -v "__asan_default_options" \ +// RUN: | grep -v "__asan_on_error" > %t.symbols + +// RUN: cat %p/../../../../lib/asan/asan_interface_internal.h \ +// RUN: | sed "s/\/\/.*//" | sed "s/typedef.*//" \ +// RUN: | grep -v "OPTIONAL" \ +// RUN: | grep "__asan_.*(" | sed "s/.* __asan_/__asan_/;s/(.*//" \ +// RUN: > %t.interface +// RUN: echo __asan_report_load1 >> %t.interface +// RUN: echo __asan_report_load2 >> %t.interface +// RUN: echo __asan_report_load4 >> %t.interface +// RUN: echo __asan_report_load8 >> %t.interface +// RUN: echo __asan_report_load16 >> %t.interface +// RUN: echo __asan_report_store1 >> %t.interface +// RUN: echo __asan_report_store2 >> %t.interface +// RUN: echo __asan_report_store4 >> %t.interface +// RUN: echo __asan_report_store8 >> %t.interface +// RUN: echo __asan_report_store16 >> %t.interface +// RUN: echo __asan_report_load_n >> %t.interface +// RUN: echo __asan_report_store_n >> %t.interface +// RUN: echo __asan_get_current_fake_stack >> %t.interface +// RUN: echo __asan_addr_is_in_fake_stack >> %t.interface +// RUN: for i in `jot - 0 10`; do echo __asan_stack_malloc_$i >> %t.interface; done +// RUN: for i in `jot - 0 10`; do echo __asan_stack_free_$i >> %t.interface; done + +// RUN: cat %t.interface | sort -u | diff %t.symbols - + +int main() { return 0; } diff --git a/compiler-rt/test/asan/TestCases/Darwin/lit.local.cfg b/compiler-rt/test/asan/TestCases/Darwin/lit.local.cfg new file mode 100644 index 00000000000..a85dfcd24c0 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/lit.local.cfg @@ -0,0 +1,9 @@ +def getRoot(config): + if not config.parent: + return config + return getRoot(config.parent) + +root = getRoot(config) + +if root.host_os not in ['Darwin']: + config.unsupported = True diff --git a/compiler-rt/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc b/compiler-rt/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc new file mode 100644 index 00000000000..807a8283e78 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc @@ -0,0 +1,51 @@ +// Regression test for a bug in malloc_create_zone() +// (https://code.google.com/p/address-sanitizer/issues/detail?id=203) +// The old implementation of malloc_create_zone() didn't always return a +// page-aligned address, so we can only test on a best-effort basis. + +// RUN: %clangxx_asan %s -o %t +// RUN: %t 2>&1 + +#include <malloc/malloc.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +const int kNumIter = 4096; +const int kNumZones = 100; +int main() { + char *mem[kNumIter * 2]; + // Allocate memory chunks from different size classes up to 1 page. + // (For the case malloc() returns memory chunks in descending order) + for (int i = 0; i < kNumIter; i++) { + mem[i] = (char*)malloc(8 * i); + } + // Try to allocate a page-aligned malloc zone. Otherwise the mprotect() call + // in malloc_set_zone_name() will silently fail. + malloc_zone_t *zone = NULL; + bool aligned = false; + for (int i = 0; i < kNumZones; i++) { + zone = malloc_create_zone(0, 0); + if (((uintptr_t)zone & (~0xfff)) == (uintptr_t)zone) { + aligned = true; + break; + } + } + if (!aligned) { + printf("Warning: couldn't allocate a page-aligned zone."); + return 0; + } + // malloc_set_zone_name() calls mprotect(zone, 4096, PROT_READ | PROT_WRITE), + // modifies the zone contents and then calls mprotect(zone, 4096, PROT_READ). + malloc_set_zone_name(zone, "foobar"); + // Allocate memory chunks from different size classes again. + for (int i = 0; i < kNumIter; i++) { + mem[i + kNumIter] = (char*)malloc(8 * i); + } + // Access the allocated memory chunks and free them. + for (int i = 0; i < kNumIter * 2; i++) { + memset(mem[i], 'a', 8 * (i % kNumIter)); + free(mem[i]); + } + return 0; +} diff --git a/compiler-rt/test/asan/TestCases/Darwin/malloc_zone-protected.cc b/compiler-rt/test/asan/TestCases/Darwin/malloc_zone-protected.cc new file mode 100644 index 00000000000..d5f6c7c12e6 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/malloc_zone-protected.cc @@ -0,0 +1,20 @@ +// Make sure the zones created by malloc_create_zone() are write-protected. +#include <malloc/malloc.h> +#include <stdio.h> + +// RUN: %clangxx_asan %s -o %t +// RUN: not %t 2>&1 | FileCheck %s + + +void *pwn(malloc_zone_t *unused_zone, size_t unused_size) { + printf("PWNED\n"); + return NULL; +} + +int main() { + malloc_zone_t *zone = malloc_create_zone(0, 0); + zone->malloc = pwn; + void *v = malloc_zone_malloc(zone, 1); + // CHECK-NOT: PWNED + return 0; +} diff --git a/compiler-rt/test/asan/TestCases/Darwin/reexec-insert-libraries-env.cc b/compiler-rt/test/asan/TestCases/Darwin/reexec-insert-libraries-env.cc new file mode 100644 index 00000000000..208fe43ac7e --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/reexec-insert-libraries-env.cc @@ -0,0 +1,20 @@ +// Make sure ASan doesn't hang in an exec loop if DYLD_INSERT_LIBRARIES is set. +// This is a regression test for +// https://code.google.com/p/address-sanitizer/issues/detail?id=159 + +// RUN: %clangxx_asan %s -o %t +// RUN: %clangxx %p/../SharedLibs/darwin-dummy-shared-lib-so.cc \ +// RUN: -dynamiclib -o darwin-dummy-shared-lib-so.dylib + +// FIXME: the following command line may hang in the case of a regression. +// RUN: DYLD_INSERT_LIBRARIES=darwin-dummy-shared-lib-so.dylib \ +// RUN: %t 2>&1 | FileCheck %s || exit 1 +#include <stdio.h> +#include <stdlib.h> + +int main() { + const char kEnvName[] = "DYLD_INSERT_LIBRARIES"; + printf("%s=%s\n", kEnvName, getenv(kEnvName)); + // CHECK: {{DYLD_INSERT_LIBRARIES=.*darwin-dummy-shared-lib-so.dylib.*}} + return 0; +} diff --git a/compiler-rt/test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc b/compiler-rt/test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc new file mode 100644 index 00000000000..fa0dd4f9df8 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cc @@ -0,0 +1,20 @@ +// Make sure ASan removes the runtime library from DYLD_INSERT_LIBRARIES before +// executing other programs. + +// RUN: %clangxx_asan %s -o %t +// RUN: %clangxx %p/../Helpers/echo-env.cc -o %T/echo-env +// RUN: %clangxx %p/../SharedLibs/darwin-dummy-shared-lib-so.cc \ +// RUN: -dynamiclib -o %t-darwin-dummy-shared-lib-so.dylib + +// Make sure DYLD_INSERT_LIBRARIES doesn't contain the runtime library before +// execl(). + +// RUN: %t %T/echo-env >/dev/null 2>&1 +// RUN: DYLD_INSERT_LIBRARIES=%t-darwin-dummy-shared-lib-so.dylib \ +// RUN: %t %T/echo-env 2>&1 | FileCheck %s || exit 1 +#include <unistd.h> +int main(int argc, char *argv[]) { + execl(argv[1], argv[1], "DYLD_INSERT_LIBRARIES", NULL); + // CHECK: {{DYLD_INSERT_LIBRARIES = .*darwin-dummy-shared-lib-so.dylib.*}} + return 0; +} |
