[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v8 05/25] crypto: Use O_CLOEXEC in qcrypto_random_in
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v8 05/25] crypto: Use O_CLOEXEC in qcrypto_random_init |
Date: |
Thu, 16 May 2019 19:39:04 -0700 |
Avoids leaking the /dev/urandom fd into any child processes.
Reviewed-by: Laurent Vivier <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Daniel P. Berrangé <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
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
[Qemu-devel] [PATCH v8 05/25] crypto: Use O_CLOEXEC in qcrypto_random_init,
Richard Henderson <=
[Qemu-devel] [PATCH v8 03/25] crypto: Reverse code blocks in random-platform.c, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 04/25] crypto: Do not fail for EINTR during qcrypto_random_bytes, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 07/25] crypto: Change the qcrypto_random_bytes buffer type to void*, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 06/25] crypto: Use getrandom for qcrypto_random_bytes, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 08/25] ui/vnc: Split out authentication_failed, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 09/25] ui/vnc: Use gcrypto_random_bytes for start_auth_vnc, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 10/25] util: Add qemu_guest_getrandom and associated routines, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 11/25] cpus: Initialize pseudo-random seeds for all guest cpus, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 12/25] linux-user: Initialize pseudo-random seeds for all guest cpus, Richard Henderson, 2019/05/16
[Qemu-devel] [PATCH v8 14/25] linux-user: Use qemu_guest_getrandom_nofail for AT_RANDOM, Richard Henderson, 2019/05/16