netdev - Re: [PATCH net] net: atm: fix memory leak in atm_register_sysfs when device

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Message-Id: 
 <175697280674.1344869.4481080369917304414.git-patchwork-notify@kernel.org>
Date: Thu, 04 Sep 2025 08:00:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Wang Liang <wangliang74@...wei.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, kuniyu@...gle.com, kay.sievers@...y.org,
 gregkh@...e.de, yuehaibing@...wei.com, zhangchangzhong@...wei.com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: atm: fix memory leak in atm_register_sysfs when
 device_register fail

Hello:

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

On Mon, 1 Sep 2025 14:35:37 +0800 you wrote:
> When device_register() return error in atm_register_sysfs(), which can be
> triggered by kzalloc fail in device_private_init() or other reasons,
> kmemleak reports the following memory leaks:
> 
> unreferenced object 0xffff88810182fb80 (size 8):
>   comm "insmod", pid 504, jiffies 4294852464
>   hex dump (first 8 bytes):
>     61 64 75 6d 6d 79 30 00                          adummy0.
>   backtrace (crc 14dfadaf):
>     __kmalloc_node_track_caller_noprof+0x335/0x450
>     kvasprintf+0xb3/0x130
>     kobject_set_name_vargs+0x45/0x120
>     dev_set_name+0xa9/0xe0
>     atm_register_sysfs+0xf3/0x220
>     atm_dev_register+0x40b/0x780
>     0xffffffffa000b089
>     do_one_initcall+0x89/0x300
>     do_init_module+0x27b/0x7d0
>     load_module+0x54cd/0x5ff0
>     init_module_from_file+0xe4/0x150
>     idempotent_init_module+0x32c/0x610
>     __x64_sys_finit_module+0xbd/0x120
>     do_syscall_64+0xa8/0x270
>     entry_SYSCALL_64_after_hwframe+0x77/0x7f
> 
> [...]

Here is the summary with links:
  - [net] net: atm: fix memory leak in atm_register_sysfs when device_register fail
    https://git.kernel.org/netdev/net/c/0a228624bcc0

You are awesome, thank you!
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