27 lines
1.1 KiB
C
27 lines
1.1 KiB
C
// RUN: %clang_cc1 -verify -analyze -analyzer-checker=core,alpha.security.ArrayBound -analyzer-store=region %s
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struct tea_cheese { unsigned magic; };
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typedef struct tea_cheese kernel_tea_cheese_t;
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extern kernel_tea_cheese_t _wonky_gesticulate_cheese;
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// This test case exercises the ElementRegion::getRValueType() logic.
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void test1( void ) {
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kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese;
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struct load_wine *cmd = (void*) &wonky[1];
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cmd = cmd;
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char *p = (void*) &wonky[1];
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kernel_tea_cheese_t *q = &wonky[1];
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// This test case tests both the RegionStore logic (doesn't crash) and
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// the out-of-bounds checking. We don't expect the warning for now since
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// out-of-bound checking is temporarily disabled.
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kernel_tea_cheese_t r = *q; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
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}
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void test1_b( void ) {
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kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese;
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struct load_wine *cmd = (void*) &wonky[1];
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cmd = cmd;
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char *p = (void*) &wonky[1];
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*p = 1; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
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}
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