From 302ebbedee7b7c0a5e70d402d94615814ed35bc7 Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Wed, 25 Mar 2026 19:40:27 +0000 Subject: lbutils: cast to prevent ub in rset() Signed-off-by: Leah Rowe --- util/libreboot-utils/lib/rand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'util/libreboot-utils/lib') diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c index 6a9d1671..8e707ba8 100644 --- a/util/libreboot-utils/lib/rand.c +++ b/util/libreboot-utils/lib/rand.c @@ -55,7 +55,7 @@ rset(void *buf, size_t n) if ((fd = open("/dev/urandom", O_RDONLY)) < 0) goto err; retry_rand: - if ((rc = read(fd, buf + off, n - off)) < 0) { + if ((rc = read(fd, (unsigned char *)buf + off, n - off)) < 0) { #elif defined(__linux__) retry_rand: if ((rc = (ssize_t)syscall(SYS_getrandom, -- cgit v1.2.1