Avoids leaking the /dev/urandom fd into any child processes.
Reviewed-by: Laurent Vivier <lviv...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
crypto/random-platform.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/crypto/random-platform.c b/crypto/random-platform.c
index 260b64564d..6df40744c7 100644
--- a/crypto/random-platform.c
+++ b/crypto/random-platform.c
@@ -42,9 +42,9 @@ int qcrypto_random_init(Error **errp)
#else
/* TBD perhaps also add support for BSD getentropy / Linux
* getrandom syscalls directly */
- fd = open("/dev/urandom", O_RDONLY);
+ fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
if (fd == -1 && errno == ENOENT) {
- fd = open("/dev/random", O_RDONLY);
+ fd = open("/dev/random", O_RDONLY | O_CLOEXEC);
}
if (fd < 0) {
--
2.17.1
