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-rw-r--r--lib/util/lbuf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/util/lbuf.c b/lib/util/lbuf.c
index c2a83760b..34c2a343b 100644
--- a/lib/util/lbuf.c
+++ b/lib/util/lbuf.c
@@ -77,9 +77,11 @@ sudo_lbuf_expand(struct sudo_lbuf *lbuf, unsigned int extra)
}
if (lbuf->len + extra + 1 > lbuf->size) {
- const unsigned int new_size = sudo_pow2_roundup(lbuf->len + extra + 1);
+ unsigned int new_size = sudo_pow2_roundup(lbuf->len + extra + 1);
char *new_buf;
+ if (new_size < 256)
+ new_size = 256;
if ((new_buf = realloc(lbuf->buf, new_size)) == NULL) {
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
"unable to allocate memory");