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[asan][test] Improve -asan-use-private-alias tests 

In preparation for D92078
This commit is contained in:
Fangrui Song 2020-12-04 15:05:59 -08:00
parent b8bc4e153f
commit 190b4374c0
6 changed files with 66 additions and 28 deletions
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10
compiler-rt/test/asan/TestCases/Linux/odr-vtable.cpp
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@ -1,6 +1,16 @@
// Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
// XFAIL: !compiler-rt-optimized && !riscv64
/// Not using private alias or enabling ODR indicator can detect ODR issues.
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared -mllvm -asan-use-private-alias=0 %s -o %dynamiclib1
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared -mllvm -asan-use-private-alias=0 %s -o %dynamiclib2
// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared -mllvm -asan-use-odr-indicator=1 %s -o %dynamiclib1
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared -mllvm -asan-use-odr-indicator=1 %s -o %dynamiclib2
// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
/// By default we can detect ODR issues in vtables.
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared %s -o %dynamiclib1
// RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared %s -o %dynamiclib2
// RUN: %clangxx_asan -fno-rtti %s %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t

14
compiler-rt/test/asan/TestCases/Linux/odr_c_test.c
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@ -1,11 +1,15 @@
// Test that we can properly report an ODR violation
// between an instrumented global and a non-instrumented global.
// Test that we can properly report an ODR violation between an instrumented
// global and a non-instrumented global if not using private aliases.
// RUN: %clang_asan -fcommon %s -fPIC -shared -o %dynamiclib1 -DFILE1
// RUN: %clang_asan -fcommon %s -fPIC -shared -o %dynamiclib2 -DFILE2
// RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=0 -o %dynamiclib1 -DFILE1
// RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=0 -o %dynamiclib2 -DFILE2
// RUN: %clang_asan -fcommon %s -fPIE %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
//
// RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=1 -o %dynamiclib1 -DFILE1
// RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=1 -o %dynamiclib2 -DFILE2
// RUN: %run %t 2>&1 | count 0
// CHECK: The following global variable is not properly aligned.
// CHECK: ERROR: AddressSanitizer: odr-violation
#if defined(FILE1)

17
llvm/test/Instrumentation/AddressSanitizer/global_metadata.ll
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@ -1,7 +1,10 @@
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s
; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=0 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,NOALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=0 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,NOALIAS
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-globals-live-support=1 -asan-mapping-scale=5 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@ -23,8 +26,10 @@ target triple = "x86_64-unknown-linux-gnu"
; CHECK: [[VARNAME:@___asan_gen_.[0-9]+]] = private unnamed_addr constant [7 x i8] c"global\00", align 1
; CHECK: [[FILENAME:@___asan_gen_.[0-9]+]] = private unnamed_addr constant [22 x i8] c"/tmp/asan-globals.cpp\00", align 1
; CHECK: [[LOCDESCR:@___asan_gen_.[0-9]+]] = private unnamed_addr constant { [22 x i8]*, i32, i32 } { [22 x i8]* [[FILENAME]], i32 5, i32 5 }
; CHECK: @__asan_global_global = {{.*}}i64 ptrtoint ({ i32, [60 x i8] }* @global to i64){{.*}} section "asan_globals"{{.*}}, !associated
; CHECK: @__asan_global_.str = {{.*}}i64 ptrtoint ({ [14 x i8], [50 x i8] }* @{{.str|1}} to i64){{.*}} section "asan_globals"{{.*}}, !associated
; NOALIAS: @__asan_global_global = {{.*}}i64 ptrtoint ({ i32, [60 x i8] }* @global to i64){{.*}} section "asan_globals"{{.*}}, !associated
; NOALIAS: @__asan_global_.str = {{.*}}i64 ptrtoint ({ [14 x i8], [50 x i8] }* @{{.str|1}} to i64){{.*}} section "asan_globals"{{.*}}, !associated
; ALIAS: @__asan_global_global = {{.*}}i64 ptrtoint ({ i32, [60 x i8] }* @0 to i64){{.*}} section "asan_globals"{{.*}}, !associated
; ALIAS: @__asan_global_.str = {{.*}}i64 ptrtoint ({ [14 x i8], [50 x i8] }* @3 to i64){{.*}} section "asan_globals"{{.*}}, !associated
; The metadata has to be inserted to llvm.compiler.used to avoid being stripped
; during LTO.

14
llvm/test/Instrumentation/AddressSanitizer/global_metadata_darwin.ll
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@ -2,8 +2,10 @@
; allowing dead stripping to be performed, and that the appropriate runtime
; routines are invoked.
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=1 -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=0 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,NOALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=0 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,NOALIAS
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-globals-live-support=1 -S | FileCheck %s --check-prefixes=CHECK,ALIAS
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
@ -17,10 +19,12 @@ target triple = "x86_64-apple-macosx10.11.0"
; Find the metadata for @global:
; CHECK: [[METADATA:@.+]] = internal global {{.*}} @global {{.*}} section "__DATA,__asan_globals,regular"
; NOALIAS: [[METADATA:@.+]] = internal global {{.*}} @global {{.*}} section "__DATA,__asan_globals,regular"
; ALIAS: [[METADATA:@.+]] = internal global {{.*}} @0 {{.*}} section "__DATA,__asan_globals,regular"
; Find the liveness binder for @global and its metadata:
; CHECK: @__asan_binder_global = internal global {{.*}} @global {{.*}} [[METADATA]] {{.*}} section "__DATA,__asan_liveness,regular,live_support"
; NOALIAS: @__asan_binder_global = internal global {{.*}} @global {{.*}} [[METADATA]] {{.*}} section "__DATA,__asan_liveness,regular,live_support"
; ALIAS: @__asan_binder_global = internal global {{.*}} @0 {{.*}} [[METADATA]] {{.*}} section "__DATA,__asan_liveness,regular,live_support"
; The binder has to be inserted to llvm.compiler.used to avoid being stripped
; during LTO.
@ -29,6 +33,8 @@ target triple = "x86_64-apple-macosx10.11.0"
; Test that there is the flag global variable:
; CHECK: @___asan_globals_registered = common hidden global i64 0
; ALIAS: @0 = private alias {{.*}} @global
; Test that __asan_register_image_globals is invoked from the constructor:
; CHECK-LABEL: define internal void @asan.module_ctor
; CHECK-NOT: ret

15
llvm/test/Instrumentation/AddressSanitizer/local_alias.ll
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@ -1,11 +1,16 @@
; Defaults
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-INDICATOR,CHECK-NOALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-INDICATOR,CHECK-NOALIAS
; {newPM,legacyPM} x {alias0,alias1} x {odr0,odr1}
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=0 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=0 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=0 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-INDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=0 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-INDICATOR
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-use-private-alias=1 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-INDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-INDICATOR
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-INDICATOR
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

24
llvm/test/Instrumentation/AddressSanitizer/odr-check-ignore.ll
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@ -1,5 +1,7 @@
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -S | FileCheck %s
; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s
; RUN: opt < %s -asan -asan-module -asan-use-private-alias=0 -enable-new-pm=0 -S | FileCheck %s --check-prefix=NOALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=0 -S | FileCheck %s --check-prefix=NOALIAS
; RUN: opt < %s -asan -asan-module -asan-use-private-alias=1 -enable-new-pm=0 -S | FileCheck %s --check-prefix=ALIAS
; RUN: opt < %s -passes='asan-pipeline' -asan-use-private-alias=1 -S | FileCheck %s --check-prefix=ALIAS
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@ -9,10 +11,16 @@ target triple = "x86_64-unknown-linux-gnu"
@c = internal global [2 x i32] zeroinitializer, align 4
@d = unnamed_addr global [2 x i32] zeroinitializer, align 4
; CHECK: @__asan_global_a = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @a to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.1 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; NOALIAS: @__asan_global_a = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @a to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.1 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; NOALIAS-NEXT: @__asan_global_b = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @b to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.2 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; NOALIAS-NEXT: @__asan_global_c = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @c to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.3 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; NOALIAS-NEXT: @__asan_global_d = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @d to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.4 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; CHECK: @__asan_global_b = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @b to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.2 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; CHECK: @__asan_global_c = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @c to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.3 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; CHECK: @__asan_global_d = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @d to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.4 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; ALIAS: @__asan_global_a = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @0 to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.1 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; ALIAS-NEXT: @__asan_global_b = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @1 to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.2 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; ALIAS-NEXT: @__asan_global_c = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @2 to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.3 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 -1 }
; ALIAS-NEXT: @__asan_global_d = private global { i64, i64, i64, i64, i64, i64, i64, i64 } { i64 ptrtoint ({ [2 x i32], [56 x i8] }* @3 to i64), i64 8, i64 64, i64 ptrtoint ([2 x i8]* @___asan_gen_.4 to i64), i64 ptrtoint ([8 x i8]* @___asan_gen_ to i64), i64 0, i64 0, i64 0 }
; ALIAS: @0 = private alias {{.*}} @a
; ALIAS-NEXT: @1 = private alias {{.*}} @b
; ALIAS-NEXT: @2 = private alias {{.*}} @c
; ALIAS-NEXT: @3 = private alias {{.*}} @d