forked from OSchip/llvm-project
223 lines
8.8 KiB
LLVM
223 lines
8.8 KiB
LLVM
; Regular stack poisoning.
|
|
; RUN: opt < %s -asan -asan-module -asan-use-after-scope=0 -S | FileCheck --check-prefixes=CHECK,ENTRY,EXIT %s
|
|
|
|
; Stack poisoning with stack-use-after-scope.
|
|
; RUN: opt < %s -asan -asan-module -asan-use-after-scope=1 -S | FileCheck --check-prefixes=CHECK,ENTRY-UAS,EXIT-UAS %s
|
|
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
|
|
|
declare void @Foo(i8*)
|
|
|
|
define void @Bar() uwtable sanitize_address {
|
|
entry:
|
|
%x = alloca [650 x i8], align 16
|
|
%xx = getelementptr inbounds [650 x i8], [650 x i8]* %x, i64 0, i64 0
|
|
|
|
%y = alloca [13 x i8], align 1
|
|
%yy = getelementptr inbounds [13 x i8], [13 x i8]* %y, i64 0, i64 0
|
|
|
|
%z = alloca [40 x i8], align 1
|
|
%zz = getelementptr inbounds [40 x i8], [40 x i8]* %z, i64 0, i64 0
|
|
|
|
; CHECK: [[SHADOW_BASE:%[0-9]+]] = add i64 %{{[0-9]+}}, 2199023255552
|
|
|
|
; F1F1F1F1
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-NEXT: store [[TYPE]] -235802127, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 02F2F2F2F2F2F2F2
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-NEXT: store [[TYPE]] 212499257711850226, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F2F2F2F2F2F2F2F2
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F20005F2F2000000
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-NEXT: store [[TYPE]] -1008799775530680320, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F3F3F3F3
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-NEXT: store [[TYPE]] -202116109, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F3
|
|
; ENTRY-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
|
|
; ENTRY-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
|
|
; ENTRY-NEXT: store [[TYPE]] -13, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F1F1F1F1
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -235802127, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F8F8F8...
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
|
|
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
|
|
|
|
; F2F2F2F2F2F2F2F2
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 86
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F2F2F2F2F2F2F2F2
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 94
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -940422246894996750, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F8F8F2F2F8F8F8F8
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -506387832706107144, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F8F3F3F3
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -118230029, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; F3F3
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 114
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -3085, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-LABEL: %xx = getelementptr inbounds
|
|
; CHECK-NEXT: %yy = getelementptr inbounds
|
|
; CHECK-NEXT: %zz = getelementptr inbounds
|
|
|
|
|
|
call void @llvm.lifetime.start(i64 650, i8* %xx)
|
|
; 0000...
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
|
|
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 81)
|
|
; 02
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] 2, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.start(i64 650, i8* %xx)
|
|
|
|
call void @Foo(i8* %xx)
|
|
; CHECK-NEXT: call void @Foo(i8* %xx)
|
|
|
|
call void @llvm.lifetime.end(i64 650, i8* %xx)
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 4
|
|
; ENTRY-UAS-NEXT: call void @__asan_set_shadow_f8(i64 [[OFFSET]], i64 82)
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.end(i64 650, i8* %xx)
|
|
|
|
|
|
call void @llvm.lifetime.start(i64 13, i8* %yy)
|
|
; 0005
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] 5, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.start(i64 13, i8* %yy)
|
|
|
|
call void @Foo(i8* %yy)
|
|
; CHECK-NEXT: call void @Foo(i8* %yy)
|
|
|
|
call void @llvm.lifetime.end(i64 13, i8* %yy)
|
|
; F8F8
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 102
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i16]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -1800, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.end(i64 13, i8* %yy)
|
|
|
|
|
|
call void @llvm.lifetime.start(i64 40, i8* %zz)
|
|
; 00000000
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
; 00
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.start(i64 40, i8* %zz)
|
|
|
|
call void @Foo(i8* %zz)
|
|
; CHECK-NEXT: call void @Foo(i8* %zz)
|
|
|
|
call void @llvm.lifetime.end(i64 40, i8* %zz)
|
|
; F8F8F8F8
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 106
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -117901064, [[TYPE]]* [[PTR]], align 1
|
|
; F8
|
|
; ENTRY-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 110
|
|
; ENTRY-UAS-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
|
|
; ENTRY-UAS-NEXT: store [[TYPE]] -8, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; CHECK-NEXT: call void @llvm.lifetime.end(i64 40, i8* %zz)
|
|
|
|
; CHECK-LABEL: <label>
|
|
|
|
; CHECK-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
|
|
; CHECK-NEXT: call void @__asan_set_shadow_f5(i64 [[OFFSET]], i64 128)
|
|
|
|
; CHECK-NOT: add i64 [[SHADOW_BASE]]
|
|
|
|
; CHECK-LABEL: <label>
|
|
|
|
; 00000000
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 0000000000000000
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 85
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 0000000000000000
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 93
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 0000000000000000
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 101
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i64]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 00000000
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 111
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i32]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 00
|
|
; EXIT-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 115
|
|
; EXIT-NEXT: [[PTR:%[0-9]+]] = inttoptr i64 [[OFFSET]] to [[TYPE:i8]]*
|
|
; EXIT-NEXT: store [[TYPE]] 0, [[TYPE]]* [[PTR]], align 1
|
|
|
|
; 0000...
|
|
; EXIT-UAS-NEXT: [[OFFSET:%[0-9]+]] = add i64 [[SHADOW_BASE]], 0
|
|
; EXIT-UAS-NEXT: call void @__asan_set_shadow_00(i64 [[OFFSET]], i64 116)
|
|
|
|
; CHECK-NOT: add i64 [[SHADOW_BASE]]
|
|
|
|
ret void
|
|
; CHECK-LABEL: <label>
|
|
; CHECK: ret void
|
|
}
|
|
|
|
declare void @llvm.lifetime.start(i64, i8* nocapture)
|
|
declare void @llvm.lifetime.end(i64, i8* nocapture)
|
|
|
|
; CHECK-ON: declare void @__asan_set_shadow_00(i64, i64)
|
|
; CHECK-ON: declare void @__asan_set_shadow_f1(i64, i64)
|
|
; CHECK-ON: declare void @__asan_set_shadow_f2(i64, i64)
|
|
; CHECK-ON: declare void @__asan_set_shadow_f3(i64, i64)
|
|
; CHECK-ON: declare void @__asan_set_shadow_f5(i64, i64)
|
|
; CHECK-ON: declare void @__asan_set_shadow_f8(i64, i64)
|
|
|
|
; CHECK-OFF-NOT: declare void @__asan_set_shadow_
|