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Commit a8c39544 authored by Al Viro's avatar Al Viro
Browse files

osf_wait4(): fix infoleak 



failing sys_wait4() won't fill struct rusage...

Cc: stable@vger.kernel.org
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent a7cc722f

arch/alpha/kernel/osf_sys.c

+4 −2
Original line number Diff line number Diff line
@@ -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);