From: Al Viro <viro@ftp.linux.org.uk>
To: linux-kernel@vger.kernel.org
Cc: dhowells@redhat.com, torvalds@linux-foundation.org
Subject: [PATCH 5/5] mn10300: check __get_user/__put_user results...
Date: Sun, 26 Sep 2010 19:29:12 +0100 [thread overview]
Message-ID: <E1OzvyK-0002qC-AS@ZenIV.linux.org.uk> (raw)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/mn10300/kernel/signal.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index ae36480..d4de05a 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -65,10 +65,10 @@ asmlinkage long sys_sigaction(int sig,
old_sigset_t mask;
if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
+ __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
+ __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+ __get_user(mask, &act->sa_mask))
return -EFAULT;
- __get_user(new_ka.sa.sa_flags, &act->sa_flags);
- __get_user(mask, &act->sa_mask);
siginitset(&new_ka.sa.sa_mask, mask);
}
@@ -77,10 +77,10 @@ asmlinkage long sys_sigaction(int sig,
if (!ret && oact) {
if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
+ __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+ __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+ __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
}
return ret;
--
1.5.6.5
reply other threads:[~2010-09-26 18:29 UTC|newest]
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