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authorIngo Molnar <mingo@kernel.org>2019-03-28 10:56:32 +0100
committerIngo Molnar <mingo@kernel.org>2019-03-28 10:58:28 +0100
commitcfa637cb20e96fe8cf44b867a7d7c34649cbf8eb (patch)
tree52591d7b53600d5d39369525a356ccb81e22fcd9 /kernel/futex.c
parentdb779ef67ffeadbb44e9e818eb64dbe528e2f48f (diff)
parent8c2ffd9174779014c3fe1f96d9dc3641d9175f00 (diff)
Merge tag 'v5.1-rc2' into core/urgent, to resolve a conflict
Conflicts: include/linux/kcore.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index c3b73b0311bc..9e40cf7be606 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -3436,6 +3436,10 @@ static int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int p
{
u32 uval, uninitialized_var(nval), mval;
+ /* Futex address must be 32bit aligned */
+ if ((((unsigned long)uaddr) % sizeof(*uaddr)) != 0)
+ return -1;
+
retry:
if (get_user(uval, uaddr))
return -1;