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authorAl Viro <viro@zeniv.linux.org.uk>2010-10-14 13:34:03 -0400
committerGeert Uytterhoeven <geert@linux-m68k.org>2011-01-07 14:07:00 +0100
commit751c88a2c362a4a8985f9a2cb5daf7cd9ce1c4d0 (patch)
tree40fac66649d1a29859a973c42f16ea91daa93694
parent8972be4d44fbec0b2e1d7b68874fb61c5bf7b06a (diff)
m68knommu: Need to check __get_user()/__put_user() result
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
-rw-r--r--arch/m68knommu/kernel/signal.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c
index 15ac8205e7c..36a81bb6835 100644
--- a/arch/m68knommu/kernel/signal.c
+++ b/arch/m68knommu/kernel/signal.c
@@ -85,10 +85,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
old_sigset_t mask;
if (!access_ok(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);
}
@@ -97,10 +97,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
if (!ret && oact) {
if (!access_ok(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;