From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp153-162.sina.com.cn (smtp153-162.sina.com.cn [61.135.153.162]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E089B21A453 for ; Thu, 27 Aug 2026 00:46:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.135.153.162 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787791611; cv=none; b=IzlxCDDMEFfv+ATQ84FWFPsT7URBRzwAEdRNfKMe5df+YJGKokDetzDTZq45o76P0qLEOIYou2tXDSNzsCC9WcGqCkZOUsabTQqMvhhfOi4M06KJxTxNnxboswu5Y6GOjEY4I290rq8yAqAgB9W8lsJZH2DL5Ig1Xq2vDIC8HFg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787791611; c=relaxed/simple; bh=BwXs9sXjPxBuBWPcTIiteCDojP6r8tjBBzNRXAGprqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aRHy4jcSuAyW/B2fkGrI8eS3+GKtmQIsYh9ywoM++KwG0OWOZz9bzwvKoSZYGXq9l8gNlonQT8fAJ/mxpRYYDfFwh/VLGWQIaBnXuNmNiNK/MTFdFA+onD50frZKCLSp8MQTTdJucWPom2HmKEFgnZhHXv3MOpR1vsaUs7TDjSE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=exiv8gqc; arc=none smtp.client-ip=61.135.153.162 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="exiv8gqc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1787791604; bh=Bzbw5GXehUKlDyJD9N5lUq+z9BfwSV9Q0pnIkgGy8GU=; h=From:Subject:Date:Message-ID; b=exiv8gqcWqPHURO/9ts/6bJ0AwnxdEWDBlvUg3C/4GKdUy92Uu6ObIamyvyq1A03+ SCY+p3VEfEOXTdOFWC2puFd1ZfS+Xd0e1d8+zeAUBONMKOzU3iXKJb6RZ9TTcl4QtI HaN8VfjsRF5j1zIBe2LMsTl7RJtccdZgilievbkI= X-SMAIL-HELO: lxu-ped-host.. Received: from unknown (HELO lxu-ped-host..)([111.198.231.89]) by sina.com (10.54.253.31) with ESMTP id 6A8F88C9000037C1; Thu, 27 Aug 2026 08:46:04 +0800 (CST) X-Sender: eadavis@sina.com X-Auth-ID: eadavis@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=eadavis@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=eadavis@sina.com X-SMAIL-MID: 5347296815927 X-SMAIL-UIID: 96494F32C0BF46E78E7B35667A41DD6F-20260827-084604-1 From: Edward Adam Davis To: syzbot+06fa667a0931a3430026@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [usb?] KASAN: slab-use-after-free Read in stub_rx_loop Date: Thu, 27 Aug 2026 08:46:01 +0800 Message-ID: <20260827004601.134804-1-eadavis@sina.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6a8f1920.1d9ded08.62e62.00b7.GAE@google.com> References: <6a8f1920.1d9ded08.62e62.00b7.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Edward Aadm Davis #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 818bebeb63dd diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 1e9ae578810d..85370b3bc600 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -606,7 +606,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, return; /* urb is now ready to submit */ - for (i = 0; i < priv->num_urbs; i++) { + for (i = 0; i < num_urbs; i++) { if (!is_tweaked) { ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL);