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21 lines
618 B
21 lines
618 B
4 months ago
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// Test string s1 overflow in strcspn function
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// RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s
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// Test intercept_strspn asan option
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// RUN: %env_asan_opts=intercept_strspn=false %run %t 2>&1
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#include <assert.h>
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#include <string.h>
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#include <sanitizer/asan_interface.h>
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int main(int argc, char **argv) {
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size_t r;
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char s2[] = "ab";
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char s1[4] = "caB";
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__asan_poison_memory_region ((char *)&s1[2], 2);
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r = strcspn(s1, s2);
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// CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable
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assert(r == 1);
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return 0;
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}
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