The parsing routines for Kconfig files use strtol(), but store and
render values as int. Switch types and formating to long to support a
wider range of values. For example, 0x80000000 wasn't representable.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
scripts/kconfig/symbol.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index ecc5aa5..8ee1ff58 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -136,7 +136,7 @@ static struct property *sym_get_range_prop(struct symbol *sym)
return NULL;
}
-static int sym_get_range_val(struct symbol *sym, int base)
+static long sym_get_range_val(struct symbol *sym, int base)
{
sym_calc_value(sym);
switch (sym->type) {
@@ -155,7 +155,7 @@ static int sym_get_range_val(struct symbol *sym, int base)
static void sym_validate_range(struct symbol *sym)
{
struct property *prop;
- int base, val, val2;
+ long base, val, val2;
char str[64];
switch (sym->type) {
@@ -179,9 +179,9 @@ static void sym_validate_range(struct symbol *sym)
return;
}
if (sym->type == S_INT)
- sprintf(str, "%d", val2);
+ sprintf(str, "%ld", val2);
else
- sprintf(str, "0x%x", val2);
+ sprintf(str, "0x%lx", val2);
sym->curr.val = strdup(str);
}
@@ -583,7 +583,7 @@ bool sym_string_valid(struct symbol *sym, const char *str)
bool sym_string_within_range(struct symbol *sym, const char *str)
{
struct property *prop;
- int val;
+ long val;
switch (sym->type) {
case S_STRING:
--
1.7.9.5
--
Kees Cook
Chrome OS Security
--
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