When expanding a parameterised string we may run out of space, this
triggers a realloc. When computing the new allocation size we do not allow
for the terminating '\0'. Allow for this when calculating the new length.
Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
---
scripts/kconfig/symbol.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index c0efe10..af6e9f3 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -875,7 +875,7 @@ const char *sym_expand_string_value(const char *in)
symval = sym_get_string_value(sym);
}
- newlen = strlen(res) + strlen(symval) + strlen(src);
+ newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
if (newlen > reslen) {
reslen = newlen;
res = realloc(res, reslen);
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
