https://github.com/usama54321 created
https://github.com/llvm/llvm-project/pull/88349
This patch tests LLDB integration with libsanitizers for ASan.
rdar://111856681
>From 4cee76dff9b474a6a6bd278ea69cde6c3be924ad Mon Sep 17 00:00:00 2001
From: usama <u_ham...@apple.com>
Date: Wed, 10 Apr 2024 21:07:11 -0700
Subject: [PATCH] Add asan tests for libsanitizers.
This patch tests LLDB integration with libsanitizers for ASan.
rdar://111856681
---
lldb/test/API/functionalities/asan/Makefile | 6 +-
.../functionalities/asan/TestMemoryHistory.py | 66 ++++++++++++++++++-
.../functionalities/asan/TestReportData.py | 14 +++-
3 files changed, 81 insertions(+), 5 deletions(-)
diff --git a/lldb/test/API/functionalities/asan/Makefile
b/lldb/test/API/functionalities/asan/Makefile
index 4913a18d8cc6f9..d66696fed7078f 100644
--- a/lldb/test/API/functionalities/asan/Makefile
+++ b/lldb/test/API/functionalities/asan/Makefile
@@ -1,4 +1,8 @@
C_SOURCES := main.c
-CFLAGS_EXTRAS := -fsanitize=address -g -gcolumn-info
+asan: CFLAGS_EXTRAS := -fsanitize=address -g -gcolumn-info
+asan: all
+
+libsanitizers: CFLAGS_EXTRAS := -fsanitize=address -fsanitize-stable-abi -g
-gcolumn-info
+libsanitizers: all
include Makefile.rules
diff --git a/lldb/test/API/functionalities/asan/TestMemoryHistory.py
b/lldb/test/API/functionalities/asan/TestMemoryHistory.py
index 00162ae8822c74..484f26e3fed5eb 100644
--- a/lldb/test/API/functionalities/asan/TestMemoryHistory.py
+++ b/lldb/test/API/functionalities/asan/TestMemoryHistory.py
@@ -15,9 +15,14 @@ class AsanTestCase(TestBase):
@expectedFailureNetBSD
@skipUnlessAddressSanitizer
def test(self):
- self.build()
+ self.build(make_targets=["asan"])
self.asan_tests()
+ @skipIf(macos_version=["<", "15.0"], oslist=no_match(["macosx"]))
+ def test_libsanitizers_asan(self):
+ self.build(make_targets=["libsanitizers"])
+ self.libsanitizer_tests()
+
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
@@ -26,6 +31,65 @@ def setUp(self):
self.line_free = line_number("main.c", "// free line")
self.line_breakpoint = line_number("main.c", "// break line")
+ # Test line numbers: rdar://126237493
+ def libsanitizer_tests(self):
+ target = self.createTestTarget()
+
+ self.runCmd("env SanitizersAddress=1 MallocSanitizerZone=1
MallocSecureAllocator=0")
+
+ self.runCmd("run")
+ # In libsanitizers, memory history is not supported until a report has
been generated
+ # test the 'memory history' command
+ self.expect(
+ "memory history 'pointer'",
+ substrs=[
+ "Memory deallocated by Thread",
+ "a.out`f2",
+ "main.c",
+ "Memory allocated by Thread",
+ "a.out`f1",
+ "main.c",
+ ],
+ )
+
+ # do the same using SB API
+ process = self.dbg.GetSelectedTarget().process
+ val = (
+
process.GetSelectedThread().GetSelectedFrame().EvaluateExpression("pointer")
+ )
+ addr = val.GetValueAsUnsigned()
+ threads = process.GetHistoryThreads(addr)
+ self.assertEqual(threads.GetSize(), 2)
+
+ history_thread = threads.GetThreadAtIndex(0)
+ self.assertTrue(history_thread.num_frames >= 2)
+ self.assertEqual(
+
history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+ "main.c",
+ )
+
+ history_thread = threads.GetThreadAtIndex(1)
+ self.assertTrue(history_thread.num_frames >= 2)
+ self.assertEqual(
+
history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+ "main.c",
+ )
+
+ # let's free the container (SBThreadCollection) and see if the
+ # SBThreads still live
+ threads = None
+ self.assertTrue(history_thread.num_frames >= 2)
+ self.assertEqual(
+
history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+ "main.c",
+ )
+
+ self.expect(
+ "thread list",
+ "Process should be stopped due to ASan report",
+ substrs=["stopped", "stop reason = Use of deallocated memory"],
+ )
+
def asan_tests(self):
target = self.createTestTarget()
diff --git a/lldb/test/API/functionalities/asan/TestReportData.py
b/lldb/test/API/functionalities/asan/TestReportData.py
index 543c5fe66a208d..558b7be12d8f07 100644
--- a/lldb/test/API/functionalities/asan/TestReportData.py
+++ b/lldb/test/API/functionalities/asan/TestReportData.py
@@ -16,9 +16,14 @@ class AsanTestReportDataCase(TestBase):
@skipUnlessAddressSanitizer
@skipIf(archs=["i386"], bugnumber="llvm.org/PR36710")
def test(self):
- self.build()
+ self.build(make_targets=["asan"])
self.asan_tests()
+ @skipIf(macos_version=["<", "15.0"], oslist=no_match(["macosx"]))
+ def test_libsanitizers_asan(self):
+ self.build(make_targets=["libsanitizers"])
+ self.asan_tests(libsanitizers=True)
+
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
@@ -29,10 +34,13 @@ def setUp(self):
self.line_crash = line_number("main.c", "// BOOM line")
self.col_crash = 16
- def asan_tests(self):
+ def asan_tests(self, libsanitizers=False):
target = self.createTestTarget()
- self.registerSanitizerLibrariesWithTarget(target)
+ if libsanitizers:
+ self.runCmd("env SanitizersAddress=1 MallocSanitizerZone=1
MallocSecureAllocator=0")
+ else:
+ self.registerSanitizerLibrariesWithTarget(target)
self.runCmd("run")
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