From: Cong Wang <[email protected]> There is a hole in struct fs_quota_stat, so we have to zero the struct on stack before copying it to user-space.
Cc: Jan Kara <[email protected]> Signed-off-by: Cong Wang <[email protected]> --- diff --git a/fs/quota/quota.c b/fs/quota/quota.c index c7314f1..2b0c182 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -211,6 +211,7 @@ static int quota_getxstate(struct super_block *sb, void __user *addr) if (!sb->s_qcop->get_xstate) return -ENOSYS; + memset(&fqs, 0, sizeof(fqs)); ret = sb->s_qcop->get_xstate(sb, &fqs); if (!ret && copy_to_user(addr, &fqs, sizeof(fqs))) return -EFAULT; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
