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Commit 5e0fb40f authored by Al Viro's avatar Al Viro Committed by Greg Kroah-Hartman
Browse files

osf_wait4(): fix infoleak 



commit a8c39544a6eb2093c04afd5005b6192bd0e880c6 upstream.

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

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 02a8cea4

arch/alpha/kernel/osf_sys.c

+4 −2
Original line number Diff line number Diff line
@@ -1183,8 +1183,10 @@ 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);