derek.holloway
7502bf64a4
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36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
// RUN: %clang_tysan %s -o %t && %run %t 10 >%t.out.0 2>&1
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// RUN: FileCheck --check-prefixes=CHECK,CHECK-BOTH %s < %t.out.0
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// RUN: echo "fun:typeViolationignored" > %tmp
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// RUN: echo "src:*ignorelist.h" > %tmp
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// RUN: %clang_tysan -fsanitize-ignorelist=%tmp %s -o %t && %run %t 10 >%t.out 2>&1
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// RUN: FileCheck --check-prefixes=CHECK-IGNORELIST,CHECK-BOTH %s < %t.out
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#include "ignorelist.h"
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#include <stdio.h>
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#include <stdlib.h>
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void typeViolationIgnored(float *fPtr) { printf("As int: %d\n", *(int *)fPtr); }
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void typeViolation(int *fPtr) { printf("As float: %f\n", *(float *)fPtr); }
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int main() {
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float *f = (float *)malloc(sizeof(float));
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*f = 413.0f;
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typeViolationIgnored(f);
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// CHECK: TypeSanitizer: type-aliasing-violation on address 0x{{.*}}
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// CHECK-NEXT: READ of size 4 at 0x{{.*}} with type int accesses an existing object of type float
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// CHECK-IGNORELIST-NOT: TypeSanitizer: type-aliasing-violation on address 0x{{.*}}
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int *i = (int *)malloc(sizeof(int));
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*i = 612;
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typeViolation(i);
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// CHECK-BOTH: TypeSanitizer: type-aliasing-violation on address 0x{{.*}}
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// CHECK-BOTH: READ of size 4 at 0x{{.*}} with type float accesses an existing object of type int
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typeViolationMultiFile((void *)i);
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// CHECK: TypeSanitizer: type-aliasing-violation on address 0x{{.*}}
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// CHECK-IGNORELIST-NOT: TypeSanitizer: type-aliasing-violation on address 0x{{.*}}
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return 0;
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}
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