derek.holloway
7502bf64a4
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35 lines
1.9 KiB
C++
35 lines
1.9 KiB
C++
// In a non-forking sandbox, we can't spawn an external symbolizer, but dladdr()
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// should still work and provide function names. No line numbers though.
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// Second, `atos` symbolizer can't inspect a process that has an inaccessible
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// task port, in which case we should again fallback to dladdr gracefully.
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// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-exec (literal "/usr/bin/atos"))' %t 2>&1 | FileCheck %s
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
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// RUN: env ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 %s -o %t
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-exec (literal "/usr/bin/atos"))' %t 2>&1 | FileCheck %s
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// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
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// RUN: env ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
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// sandbox-exec isn't available on iOS
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// UNSUPPORTED: ios
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#include <stdlib.h>
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int main() {
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char *x = (char*)malloc(10 * sizeof(char));
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free(x);
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return x[5];
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// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
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// CHECK: {{READ of size 1 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.* in main}}
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// CHECK: {{freed by thread T0 here:}}
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// CHECK: {{ #0 0x.* in free}}
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// CHECK: {{ #1 0x.* in main}}
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// CHECK: {{previously allocated by thread T0 here:}}
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// CHECK: {{ #0 0x.* in malloc}}
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// CHECK: {{ #1 0x.* in main}}
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}
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