linux-kernel - Re: [PATCH] drivers: net: fix memory leak in atusb

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Date:   Thu, 01 Apr 2021 22:50:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     stefan@...enfreihafen.org, alex.aring@...il.com,
        davem@...emloft.net, kuba@...nel.org, linux-wpan@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzbot+28a246747e0a465127f3@...kaller.appspotmail.com
Subject: Re: [PATCH] drivers: net: fix memory leak in atusb_probe

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu,  1 Apr 2021 07:46:24 +0300 you wrote:
> syzbot reported memory leak in atusb_probe()[1].
> The problem was in atusb_alloc_urbs().
> Since urb is anchored, we need to release the reference
> to correctly free the urb
> 
> backtrace:
>     [<ffffffff82ba0466>] kmalloc include/linux/slab.h:559 [inline]
>     [<ffffffff82ba0466>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
>     [<ffffffff82ad3888>] atusb_alloc_urbs drivers/net/ieee802154/atusb.c:362 [inline][2]
>     [<ffffffff82ad3888>] atusb_probe+0x158/0x820 drivers/net/ieee802154/atusb.c:1038 [1]
> 
> [...]

Here is the summary with links:
  - drivers: net: fix memory leak in atusb_probe
    https://git.kernel.org/netdev/net/c/6b9fbe169551

You are awesome, thank you!
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