linux-kernel - Re: [PATCH] usb: host: xhci: Fix potential memory leak in xhci_alloc_stream

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 30 Jun 2022 13:09:42 +0300
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     Jianglei Nie <niejianglei2021@....com>, mathias.nyman@...el.com,
        gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: host: xhci: Fix potential memory leak in
 xhci_alloc_stream_info()

> 
> How about:
> 
> diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
> index 8c19e151a945..f7cac1af51c5 100644
> --- a/drivers/usb/host/xhci-mem.c
> +++ b/drivers/usb/host/xhci-mem.c
> @@ -641,7 +641,7 @@ struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci,
>                          num_stream_ctxs, &stream_info->ctx_array_dma,
>                          mem_flags);
>          if (!stream_info->stream_ctx_array)
> -               goto cleanup_ctx;
> +               goto cleanup_rings;

Small sidenote, "cleanup_rings" label was already in use, so maybe something like
"cleanup_ring_array" could be used

Thanks
-Mathias