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-rw-r--r--kernel/compat.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 0770ac57c62b..e5cc33c7122c 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -587,7 +587,11 @@ COMPAT_SYSCALL_DEFINE5(waitid,
return ret;
if (uru) {
- ret = put_compat_rusage(&ru, uru);
+ /* sys_waitid() overwrites everything in ru */
+ if (COMPAT_USE_64BIT_TIME)
+ ret = copy_to_user(uru, &ru, sizeof(ru));
+ else
+ ret = put_compat_rusage(&ru, uru);
if (ret)
return ret;
}