From: patchwork-bot+netdevbpf@kernel.org
To: Wang Liang <wangliang74@huawei.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, kuniyu@google.com,
kay.sievers@vrfy.org, gregkh@suse.de, yuehaibing@huawei.com,
zhangchangzhong@huawei.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: atm: fix memory leak in atm_register_sysfs when device_register fail
Date: Thu, 04 Sep 2025 08:00:06 +0000 [thread overview]
Message-ID: <175697280674.1344869.4481080369917304414.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250901063537.1472221-1-wangliang74@huawei.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.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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prev parent reply other threads:[~2025-09-04 8:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-01 6:35 [PATCH net] net: atm: fix memory leak in atm_register_sysfs when device_register fail Wang Liang
2025-09-01 19:01 ` Simon Horman
2025-09-02 1:41 ` Wang Liang
2025-09-02 10:07 ` Simon Horman
2025-09-04 8:00 ` patchwork-bot+netdevbpf [this message]
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