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/* { dg-do compile } */
/* { dg-options "-fanalyzer" } */
/* { dg-require-effective-target analyzer } */
/* { dg-skip-if "structure layout assumption not met" { default_packed } } */
#include <string.h>
#include "test-uaccess.h"
typedef unsigned char u8;
typedef unsigned __INT16_TYPE__ u16;
typedef unsigned __INT32_TYPE__ u32;
/* Coverage for the various singular and plural forms of bits, bytes, and fields vs padding. */
struct st
{
u32 a; /* { dg-message "field 'a' is uninitialized \\(4 bytes\\)" } */
int b:1; /* { dg-message "field 'b' is uninitialized \\(1 bit\\)" "field" } */
/* { dg-message "padding after field 'b' is uninitialized \\(7 bits\\)" "padding" { target *-*-* } .-1 } */
u8 d; /* { dg-message "field 'd' is uninitialized \\(1 byte\\)" } */
int c:7; /* { dg-message "padding after field 'c' is uninitialized \\(9 bits\\)" } */
u16 e; /* { dg-message "padding after field 'e' is uninitialized \\(2 bytes\\)" } */
};
void test (void __user *dst, u16 v)
{
struct st s; /* { dg-message "region created on stack here" "where" } */
/* { dg-message "capacity: 12 bytes" "capacity" { target *-*-* } .-1 } */
/* { dg-message "suggest forcing zero-initialization by providing a '\\{0\\}' initializer" "fix-it" { target *-*-* } .-2 } */
s.e = v;
copy_to_user(dst, &s, sizeof (struct st)); /* { dg-warning "potential exposure of sensitive information by copying uninitialized data from stack" "warning" } */
/* { dg-message "10 bytes are uninitialized" "note how much" { target *-*-* } .-1 } */
}
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