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23 lines
627 B
23 lines
627 B
4 months ago
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// Test strict_string_checks option in strchr function
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// RUN: %clang_asan %s -o %t && %run %t 2>&1
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// RUN: %env_asan_opts=strict_string_checks=false %run %t 2>&1
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// RUN: %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char **argv) {
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size_t size = 100;
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char fill = 'o';
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char *s = (char*)malloc(size);
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memset(s, fill, size);
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char c = 'o';
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char* r = strchr(s, c);
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// CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
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// CHECK: READ of size 101
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assert(r == s);
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free(s);
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return 0;
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}
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