From: patchwork-bot+netdevbpf@kernel.org
To: Wang Yufen <wangyufen@huawei.com>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
peterpenkov96@gmail.com
Subject: Re: [PATCH net v2] net: tun: Fix memory leaks of napi_get_frags
Date: Fri, 04 Nov 2022 11:00:16 +0000 [thread overview]
Message-ID: <166755961680.11617.8800451482056670890.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <1667382079-6499-1-git-send-email-wangyufen@huawei.com>
Hello:
This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:
On Wed, 2 Nov 2022 17:41:19 +0800 you wrote:
> kmemleak reports after running test_progs:
>
> unreferenced object 0xffff8881b1672dc0 (size 232):
> comm "test_progs", pid 394388, jiffies 4354712116 (age 841.975s)
> hex dump (first 32 bytes):
> e0 84 d7 a8 81 88 ff ff 80 2c 67 b1 81 88 ff ff .........,g.....
> 00 40 c5 9b 81 88 ff ff 00 00 00 00 00 00 00 00 .@..............
> backtrace:
> [<00000000c8f01748>] napi_skb_cache_get+0xd4/0x150
> [<0000000041c7fc09>] __napi_build_skb+0x15/0x50
> [<00000000431c7079>] __napi_alloc_skb+0x26e/0x540
> [<000000003ecfa30e>] napi_get_frags+0x59/0x140
> [<0000000099b2199e>] tun_get_user+0x183d/0x3bb0 [tun]
> [<000000008a5adef0>] tun_chr_write_iter+0xc0/0x1b1 [tun]
> [<0000000049993ff4>] do_iter_readv_writev+0x19f/0x320
> [<000000008f338ea2>] do_iter_write+0x135/0x630
> [<000000008a3377a4>] vfs_writev+0x12e/0x440
> [<00000000a6b5639a>] do_writev+0x104/0x280
> [<00000000ccf065d8>] do_syscall_64+0x3b/0x90
> [<00000000d776e329>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
>
> [...]
Here is the summary with links:
- [net,v2] net: tun: Fix memory leaks of napi_get_frags
https://git.kernel.org/netdev/net/c/1118b2049d77
You are awesome, thank you!
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prev parent reply other threads:[~2022-11-04 11:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-02 9:41 [PATCH net v2] net: tun: Fix memory leaks of napi_get_frags Wang Yufen
2022-11-02 18:03 ` Eric Dumazet
2022-11-04 11:00 ` patchwork-bot+netdevbpf [this message]
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