34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
// Check that we detect malloc/delete mismatch only if the approptiate flag
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// is set.
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// RUN: %clangxx_asan -g %s -o %t 2>&1
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// Find error and provide malloc context.
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// RUN: %env_asan_opts=alloc_dealloc_mismatch=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=ALLOC-STACK
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// No error here.
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// RUN: %env_asan_opts=alloc_dealloc_mismatch=0 %run %t
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// Also works if no malloc context is available.
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// RUN: %env_asan_opts=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_asan_opts=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s
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// XFAIL: arm-linux-gnueabi
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// XFAIL: armv7l-unknown-linux-gnueabihf
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#include <stdlib.h>
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static volatile char *x;
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int main() {
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x = (char*)malloc(10);
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x[0] = 0;
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delete x;
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}
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// CHECK: ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator delete) on 0x
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// CHECK-NEXT: #0{{.*}}operator delete
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// CHECK: #{{.*}}main
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// CHECK: is located 0 bytes inside of 10-byte region
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// CHECK-NEXT: allocated by thread T0 here:
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// ALLOC-STACK-NEXT: #0{{.*}}malloc
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// ALLOC-STACK: #{{.*}}main
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// CHECK: HINT: {{.*}} you may set ASAN_OPTIONS=alloc_dealloc_mismatch=0
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