forked from OSchip/llvm-project
28 lines
1.0 KiB
C
28 lines
1.0 KiB
C
// RUN: %clang_analyze_cc1 -verify -analyzer-checker=core,alpha.security.ArrayBound %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)}}
|
|
}
|