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Differential D23647

[asan] Extend test
ClosedPublic

Authored by vitalybuka on Aug 17 2016, 11:54 PM.

Details

Reviewers
eugenis
Commits
rG0596387ad37e: [asan] Extend test
rL279109: [asan] Extend test
Summary

PR27453

Diff Detail

Event Timeline

vitalybuka updated this revision to Diff 68485.Aug 17 2016, 11:54 PM
vitalybuka retitled this revision from to [asan] Extend test.
vitalybuka updated this object.
vitalybuka added a reviewer: eugenis.
vitalybuka added a subscriber: llvm-commits.
eugenis accepted this revision.Aug 18 2016, 11:01 AM
eugenis edited edge metadata.
This revision is now accepted and ready to land.Aug 18 2016, 11:01 AM
Closed by commit rL279109: [asan] Extend test (authored by vitalybuka). · Explain WhyAug 18 2016, 11:25 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
test/
Instrumentation/
AddressSanitizer/
36 lines

Diff 68485

test/Instrumentation/AddressSanitizer/stack-poisoning.ll

; RUN: opt < %s -asan -asan-module -asan-use-after-return -S | FileCheck --check-prefix=CHECK-UAR %s ; RUN: opt < %s -asan -asan-module -asan-use-after-return -S | FileCheck --check-prefix=CHECK-UAR %s
; RUN: opt < %s -asan -asan-module -asan-use-after-return=0 -S | FileCheck --check-prefix=CHECK-PLAIN %s ; RUN: opt < %s -asan -asan-module -asan-use-after-return=0 -S | FileCheck --check-prefix=CHECK-PLAIN %s
target datalayout = "e-i64:64-f80:128-s:64-n8:16:32:64-S128" target datalayout = "e-i64:64-f80:128-s:64-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu" target triple = "x86_64-unknown-linux-gnu"
declare void @Foo(i8*) declare void @Foo(i8*)
define void @Bar() uwtable sanitize_address { define void @Bar() uwtable sanitize_address {
entry: entry:
; CHECK-PLAIN-LABEL: Bar ; CHECK-PLAIN-LABEL: Bar
; CHECK-PLAIN-NOT: label ; CHECK-PLAIN-NOT: label
; CHECK-PLAIN: ret void ; CHECK-PLAIN: ret void
; CHECK-UAR-LABEL: Bar ; CHECK-UAR-LABEL: Bar
; CHECK-UAR: load i32, i32* @__asan_option_detect_stack_use_after_return ; CHECK-UAR: load i32, i32* @__asan_option_detect_stack_use_after_return
; CHECK-UAR: label ; CHECK-UAR: label
; CHECK-UAR: call i64 @__asan_stack_malloc_1 ; CHECK-UAR: call i64 @__asan_stack_malloc_4
; CHECK-UAR: label ; CHECK-UAR: label
; CHECK-UAR: store i64 -1007680412564983311
; CHECK-UAR: store i64 72057598113936114
; CHECK-UAR: store i64 4076008178
; CHECK-UAR: store i64 -868082074072645632
; CHECK-UAR: store i32 -202116109
; CHECK-UAR: call void @Foo
; CHECK-UAR: call void @Foo
; CHECK-UAR: call void @Foo ; CHECK-UAR: call void @Foo
; If LocalStackBase != OrigStackBase ; If LocalStackBase != OrigStackBase
; CHECK-UAR: label ; CHECK-UAR: label
; Then Block: poison the entire frame. ; Then Block: poison the entire frame.
; CHECK-UAR: store i64 -723401728380766731 ; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731 ; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i64 -723401728380766731
; CHECK-UAR: store i8 0 ; CHECK-UAR: store i8 0
; CHECK-UAR-NOT: store ; CHECK-UAR-NOT: store
; CHECK-UAR: label ; CHECK-UAR: label
; Else Block: no UAR frame. Only unpoison the redzones. ; Else Block: no UAR frame. Only unpoison the redzones.
; CHECK-UAR: store i64 0 ; CHECK-UAR: store i64 0
; CHECK-UAR: store i64 0
; CHECK-UAR: store i64 0
; CHECK-UAR: store i64 0
; CHECK-UAR: store i32 0 ; CHECK-UAR: store i32 0
; CHECK-UAR-NOT: store ; CHECK-UAR-NOT: store
; CHECK-UAR: label ; CHECK-UAR: label
; Done, no more stores. ; Done, no more stores.
; CHECK-UAR-NOT: store ; CHECK-UAR-NOT: store
; CHECK-UAR: ret void ; CHECK-UAR: ret void
%x = alloca [20 x i8], align 16 %x = alloca [20 x i8], align 16
%arraydecay = getelementptr inbounds [20 x i8], [20 x i8]* %x, i64 0, i64 0 %y = alloca [25 x i8], align 1
call void @Foo(i8* %arraydecay) %z = alloca [500 x i8], align 1
%xx = getelementptr inbounds [20 x i8], [20 x i8]* %x, i64 0, i64 0
call void @Foo(i8* %xx)
%yy = getelementptr inbounds [25 x i8], [25 x i8]* %y, i64 0, i64 0
call void @Foo(i8* %yy)
%zz = getelementptr inbounds [500 x i8], [500 x i8]* %z, i64 0, i64 0
call void @Foo(i8* %zz)
ret void ret void
} }