netdev - Re: [PATCH net v4] sctp: fix memory leak in sctp_stream_outq

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Message-Id: <166974121836.7750.9329219382885985084.git-patchwork-notify@kernel.org>
Date:   Tue, 29 Nov 2022 17:00:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     shaozhengchao <shaozhengchao@...wei.com>
Cc:     netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
        vyasevich@...il.com, nhorman@...driver.com,
        marcelo.leitner@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com, lucien.xin@...il.com,
        weiyongjun1@...wei.com, yuehaibing@...wei.com
Subject: Re: [PATCH net v4] sctp: fix memory leak in sctp_stream_outq_migrate()

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Sat, 26 Nov 2022 11:17:20 +0800 you wrote:
> When sctp_stream_outq_migrate() is called to release stream out resources,
> the memory pointed to by prio_head in stream out is not released.
> 
> The memory leak information is as follows:
>  unreferenced object 0xffff88801fe79f80 (size 64):
>    comm "sctp_repo", pid 7957, jiffies 4294951704 (age 36.480s)
>    hex dump (first 32 bytes):
>      80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff  ................
>      90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff  ................
>    backtrace:
>      [<ffffffff81b215c6>] kmalloc_trace+0x26/0x60
>      [<ffffffff88ae517c>] sctp_sched_prio_set+0x4cc/0x770
>      [<ffffffff88ad64f2>] sctp_stream_init_ext+0xd2/0x1b0
>      [<ffffffff88aa2604>] sctp_sendmsg_to_asoc+0x1614/0x1a30
>      [<ffffffff88ab7ff1>] sctp_sendmsg+0xda1/0x1ef0
>      [<ffffffff87f765ed>] inet_sendmsg+0x9d/0xe0
>      [<ffffffff8754b5b3>] sock_sendmsg+0xd3/0x120
>      [<ffffffff8755446a>] __sys_sendto+0x23a/0x340
>      [<ffffffff87554651>] __x64_sys_sendto+0xe1/0x1b0
>      [<ffffffff89978b49>] do_syscall_64+0x39/0xb0
>      [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> 
> [...]

Here is the summary with links:
  - [net,v4] sctp: fix memory leak in sctp_stream_outq_migrate()
    https://git.kernel.org/netdev/net/c/9ed7bfc79542

You are awesome, thank you!
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