cfg80211: prevent speculation on cfg80211_classify8021d() return

[mirror_ubuntu-bionic-kernel.git] / kernel / compat.c

diff --git a/kernel/compat.c b/kernel/compat.c
index d1cee656a7edac7fb96abb0985e63ea139b798ea..3ead2efff78eede20cab57b55dc6c5fadbc87ea6 100644 (file)
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -34,6 +34,7 @@ int compat_get_timex(struct timex *txc, const struct compat_timex __user *utp)
 {
        struct compat_timex tx32;
 
+       memset(txc, 0, sizeof(struct timex));
        if (copy_from_user(&tx32, utp, sizeof(struct compat_timex)))
                return -EFAULT;