tests_lit/asan_tests/realloc_shrink.ll - Issue 2211733002: Subzero: Improved quality of ASan error messages

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Issue 2211733002: Subzero: Improved quality of ASan error messages (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Replaced switch statements with table lookups Created 4 years, 4 months ago

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1 ; Test that shrinking an allocation updates the redzones	1 ; Test that shrinking an allocation updates the redzones

2	2

3 ; REQUIRES: no_minimal_build	3 ; REQUIRES: no_minimal_build

4	4

5 ; RUN: llvm-as %s -o - \| pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \	5 ; RUN: llvm-as %s -o - \| pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \

6 ; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \	6 ; RUN: --fsanitize-address --sz=-allow-externally-defined-symbols \

7 ; RUN: %t.pexe -o %t && %t 2>&1 \| FileCheck %s	7 ; RUN: %t.pexe -o %t && %t 2>&1 \| FileCheck %s

8	8

9	9

10 declare external i32 @malloc(i32)	10 declare external i32 @malloc(i32)

11 declare external i32 @realloc(i32, i32)	11 declare external i32 @realloc(i32, i32)

12 declare external void @free(i32)	12 declare external void @free(i32)

13	13

14 define void @_start(i32 %arg) {	14 define void @_start(i32 %arg) {

15 %ptr16 = call i32 @malloc(i32 16)	15 %ptr16 = call i32 @malloc(i32 16)

16 %off12a = add i32 %ptr16, 12	16 %off12a = add i32 %ptr16, 12

17 %offptra = inttoptr i32 %off12a to i32*	17 %offptra = inttoptr i32 %off12a to i32*

18 %resa = load i32, i32* %offptra, align 1	18 %resa = load i32, i32* %offptra, align 1

19 %ptr8 = call i32 @realloc(i32 %ptr16, i32 8)	19 %ptr8 = call i32 @realloc(i32 %ptr16, i32 8)

20 %off12b = add i32 %ptr8, 12	20 %off12b = add i32 %ptr8, 12

21 %offptrb = inttoptr i32 %off12b to i8*	21 %offptrb = inttoptr i32 %off12b to i8*

22 %resb = load i8, i8* %offptrb, align 1	22 %resb = load i8, i8* %offptrb, align 1

23 ret void	23 ret void

24 }	24 }

25	25

26 ; CHECK: Illegal access of 1 bytes at	26 ; CHECK: Illegal 1 byte load from heap object at

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