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powerpc: missing checks of __get_user()/__put_user() return values
author
Al Viro
<viro@zeniv.linux.org.uk>
Sun, 22 Apr 2012 21:01:49 +0000
(17:01 -0400)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Tue, 22 May 2012 03:59:22 +0000
(23:59 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/powerpc/kernel/signal_32.c
patch
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diff --git
a/arch/powerpc/kernel/signal_32.c
b/arch/powerpc/kernel/signal_32.c
index
ac1f960
..
61f6aff
100644
(file)
--- a/
arch/powerpc/kernel/signal_32.c
+++ b/
arch/powerpc/kernel/signal_32.c
@@
-204,10
+204,10
@@
static inline int get_old_sigaction(struct k_sigaction *new_ka,
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);
return 0;
}