netdev - Re: [PATCH] drivers: net: fix memory leak in peak_usb_create

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Message-Id: <161731800838.8028.10693283331125703609.git-patchwork-notify@kernel.org>
Date:   Thu, 01 Apr 2021 23:00:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     wg@...ndegger.com, mkl@...gutronix.de, davem@...emloft.net,
        kuba@...nel.org, mailhol.vincent@...adoo.fr,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        syzbot+91adee8d9ebb9193d22d@...kaller.appspotmail.com
Subject: Re: [PATCH] drivers: net: fix memory leak in peak_usb_create_dev

Hello:

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

On Thu,  1 Apr 2021 16:27:52 +0300 you wrote:
> syzbot reported memory leak in peak_usb.
> The problem was in case of failure after calling
> ->dev_init()[2] in peak_usb_create_dev()[1]. The data
> allocated int dev_init() wasn't freed, so simple
> ->dev_free() call fix this problem.
> 
> backtrace:
>     [<0000000079d6542a>] kmalloc include/linux/slab.h:552 [inline]
>     [<0000000079d6542a>] kzalloc include/linux/slab.h:682 [inline]
>     [<0000000079d6542a>] pcan_usb_fd_init+0x156/0x210 drivers/net/can/usb/peak_usb/pcan_usb_fd.c:868   [2]
>     [<00000000c09f9057>] peak_usb_create_dev drivers/net/can/usb/peak_usb/pcan_usb_core.c:851 [inline] [1]
>     [<00000000c09f9057>] peak_usb_probe+0x389/0x490 drivers/net/can/usb/peak_usb/pcan_usb_core.c:949
> 
> [...]

Here is the summary with links:
  - drivers: net: fix memory leak in peak_usb_create_dev
    https://git.kernel.org/netdev/net/c/a0b96b4a6274

You are awesome, thank you!
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