From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98C221F7544 for ; Thu, 14 Nov 2024 07:48:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731570497; cv=none; b=Wt051GAMurt9+LgT3NETmTN8OlJ7gGVmycIhO0HyxL63tADaiacJSr85ose5L+fsRw7dbvwP33g51qTdJAbnzmPkCJtfYxHCfl9X/LK3vpHgHpqlea+rZ5pHfot+Hy9i6HB9LETy89UnyEl0GiDZFfzINBm/OsqmAswHmfRnV0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731570497; c=relaxed/simple; bh=7vO5VppK8mbJzogWj4XWKvUgXVA0mHLTXmLcvJlyqpk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=XZN/EyBfEFH8fbXgPGZxUlGw7vlLOqgIXbiijGUxAmaSAYtwXbzM+AxmY1AuFtqa4t1SPBlnDJKz8JKxQNnVz47U6WBWOLI9AUTIES3sK+zrPZkChxKuEDMMrIIaaF3f7bQnsa38pvEQ0XiyU/790YC9t7SILS+tCgwoD/TylZ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3a71ea159acso5198095ab.0 for ; Wed, 13 Nov 2024 23:48:15 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731570495; x=1732175295; h=cc:to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=7vO5VppK8mbJzogWj4XWKvUgXVA0mHLTXmLcvJlyqpk=; b=bM/IoskKqj7IqCdGPfUE3pwl+ZMiPYt3RnY/OGPMzJf6/WjCISJfe7v0vsVaFsB5rq hlWN4DCjku6quA1nLBFQiL9amBe0ZQeWdTkcSAcGpioJnxOpIaARczd4T1/y7qScK8Y0 lZvvnAXlSRFsI0NxAbck3Orh1kpObf9K/Oz/s447SA37jaLPXYuQowmlB8K0haoyrZm1 fzRD6Z3Og5ZgxQvTR56dwkIAIc9fcTc196qxkT8UPxJJZhA0+t59M0oEL8iIDeExR+up Op2T37CzqfUEI3/4WzJXc8OKca2PVp2e1aiYhQwG59EPDhznXsEodfGD688guXp3WVl0 ub3w== X-Forwarded-Encrypted: i=1; AJvYcCUftBdPUA26HL7ueApcC6GRa2Rm/a+nvenORoL13i93t6mpBiVFlp1j5nf/VuKbW4nkp/03sa0uOkwZtMQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwPsyhPj78jXkFr024biroHnfGt3fpMEpo/SIpn4ldIs856Ezgo K1xbXKiItxQWqjUOcFdk6j4UU2JBuP16VRXcA3XVS+cXm+vTnTE6sTdqwmKWgayNZVEbCKwQYyd LxHEYjvC0qXyFELzWjprcJS1lWpr3skzdGZSH42YT6LkPMxCe3cKiuYU= X-Google-Smtp-Source: AGHT+IE2j7G4fe6UYc4sGoZ8nsKR64vTwa5GIHuM1BD8LElZpFh4qb/q/SZfqP80IeOcwM51DO65AY94Tz0bdJMRFKBpH1QCHrRK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:de10:0:b0:3a6:bafd:5650 with SMTP id e9e14a558f8ab-3a71dec4245mr28819435ab.10.1731570494795; Wed, 13 Nov 2024 23:48:14 -0800 (PST) Date: Wed, 13 Nov 2024 23:48:14 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6735ab3e.050a0220.1324f8.0091.GAE@google.com> Subject: Re: mm/slub: fix a memory leak in sysfs_slab_add() From: syzbot To: sudhirdumbhare@gmail.com Cc: sudhirdumbhare@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git want either no args or 2 args (repo, branch), got 1 > master > > diff --git a/mm/slub.c b/mm/slub.c > index 4148235ba554..d10c4fbf8c84 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -5653,7 +5653,7 @@ static int sysfs_slab_add(struct kmem_cache *s) > s->kobj.kset = kset; > err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s", > name); > if (err) { > - kobject_put(&s->kobj); > + kfree_const(&s->kobj.name); > goto out; > }