netdev - Re: [PATCH] NFC: nci: fix memory leak in nci_rx_data

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Date:   Tue, 22 Nov 2022 11:50:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Liu Shixin <liushixin2@...wei.com>
Cc:     krzysztof.kozlowski@...aro.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] NFC: nci: fix memory leak in nci_rx_data_packet()

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@...hat.com>:

On Fri, 18 Nov 2022 16:24:19 +0800 you wrote:
> Syzbot reported a memory leak about skb:
> 
> unreferenced object 0xffff88810e144e00 (size 240):
>   comm "syz-executor284", pid 3701, jiffies 4294952403 (age 12.620s)
>   hex dump (first 32 bytes):
>     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
>     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
>   backtrace:
>     [<ffffffff83ab79a9>] __alloc_skb+0x1f9/0x270 net/core/skbuff.c:497
>     [<ffffffff82a5cf64>] alloc_skb include/linux/skbuff.h:1267 [inline]
>     [<ffffffff82a5cf64>] virtual_ncidev_write+0x24/0xe0 drivers/nfc/virtual_ncidev.c:116
>     [<ffffffff815f6503>] do_loop_readv_writev fs/read_write.c:759 [inline]
>     [<ffffffff815f6503>] do_loop_readv_writev fs/read_write.c:743 [inline]
>     [<ffffffff815f6503>] do_iter_write+0x253/0x300 fs/read_write.c:863
>     [<ffffffff815f66ed>] vfs_writev+0xdd/0x240 fs/read_write.c:934
>     [<ffffffff815f68f6>] do_writev+0xa6/0x1c0 fs/read_write.c:977
>     [<ffffffff848802d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
>     [<ffffffff848802d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
>     [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> 
> [...]

Here is the summary with links:
  - NFC: nci: fix memory leak in nci_rx_data_packet()
    https://git.kernel.org/netdev/net/c/53270fb0fd77

You are awesome, thank you!
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