From db61ec29fd56e089007cb7d9a646ea9ddf518c4d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Mar 2013 20:39:15 -0500
Subject: [PATCH] fix compat_sys_rt_sigprocmask()
Converting bitmask to 32bit granularity is fine, but we'd better
_do_ something with the result. Such as "copy it to userland"...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index 2a7ae29631853..8d1b785f0dc9e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2653,7 +2653,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user *, nset,
if (oset) {
compat_sigset_t old32;
sigset_to_compat(&old32, &old_set);
- if (copy_to_user(oset, &old_set, sizeof(sigset_t)))
+ if (copy_to_user(oset, &old32, sizeof(compat_sigset_t)))
return -EFAULT;
}
return 0;
--
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