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// RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux %s
#include "Inputs/system-header-simulator.h"
#define __GFP_ZERO 0x8000
#define NULL ((void *)0)
void *kmalloc(size_t, int);
struct test {
};
void foo(struct test *);
void test_zeroed() {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, __GFP_ZERO);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i];
foo(t);
}
kfree(list); // no-warning
}
void test_nonzero() {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, 0);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i]; // expected-warning{{undefined}}
foo(t);
}
kfree(list);
}
void test_indeterminate(int flags) {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, flags);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i]; // expected-warning{{undefined}}
foo(t);
}
kfree(list);
}
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