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// RUN: %clang_analyze_cc1 -verify -analyzer-checker=core,alpha.security.ArrayBound -analyzer-store=region %s
struct tea_cheese { unsigned magic; };
typedef struct tea_cheese kernel_tea_cheese_t;
extern kernel_tea_cheese_t _wonky_gesticulate_cheese;
// This test case exercises the ElementRegion::getRValueType() logic.
void test1( void ) {
kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese;
struct load_wine *cmd = (void*) &wonky[1];
cmd = cmd;
char *p = (void*) &wonky[1];
kernel_tea_cheese_t *q = &wonky[1];
// This test case tests both the RegionStore logic (doesn't crash) and
// the out-of-bounds checking. We don't expect the warning for now since
// out-of-bound checking is temporarily disabled.
kernel_tea_cheese_t r = *q; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
void test1_b( void ) {
kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese;
struct load_wine *cmd = (void*) &wonky[1];
cmd = cmd;
char *p = (void*) &wonky[1];
*p = 1; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
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