Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull misc uaccess fixes from Al Viro: "Fix for unsafe_put_user() (no callers currently in mainline, but anyone starting to use it will step into that) + alpha osf_wait4() infoleak fix" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: osf_wait4(): fix infoleak fix unsafe_put_user()
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 9ec56dc..ce93124 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c
@@ -1201,8 +1201,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur))) return -EFAULT; - err = 0; - err |= put_user(status, ustatus); + err = put_user(status, ustatus); + if (ret < 0) + return err ? err : ret; + err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec); err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec); err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec);
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 68766b2..d9668c3 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h
@@ -703,7 +703,7 @@ extern struct movsl_mask { #define unsafe_put_user(x, ptr, err_label) \ do { \ int __pu_err; \ - __put_user_size((x), (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \ + __put_user_size((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \ if (unlikely(__pu_err)) goto err_label; \ } while (0)