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X-Received-From: 2607:f8b0:4864:20::444 Subject: [Qemu-devel] [PATCH v3 04/23] crypto: Use O_CLOEXEC in qcrypto_random_init X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Avoids leaking the /dev/urandom fd into any child processes. Reviewed-by: Daniel P. Berrang=C3=A9 Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- 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 =3D open("/dev/urandom", O_RDONLY); + fd =3D open("/dev/urandom", O_RDONLY | O_CLOEXEC); if (fd =3D=3D -1 && errno =3D=3D ENOENT) { - fd =3D open("/dev/random", O_RDONLY); + fd =3D open("/dev/random", O_RDONLY | O_CLOEXEC); } =20 if (fd < 0) { --=20 2.17.2