From: Rich Felker <dalias@libc.org>
To: "zhuyan (M)" <zhuyan34@huawei.com>
Cc: "musl@lists.openwall.com" <musl@lists.openwall.com>,
Zengweilin <zengweilin@huawei.com>,
"liucheng (G)" <liucheng32@huawei.com>,
"chenzefeng (A)" <chenzefeng2@huawei.com>
Subject: Re: [musl] [PATCH] fix segfault in recvmsg when msg argument is NULL
Date: Mon, 25 Jan 2021 21:44:25 -0500 [thread overview]
Message-ID: <20210126024422.GZ23432@brightrain.aerifal.cx> (raw)
In-Reply-To: <05a7bdabe45f473c8d1a25d2cd20c1f5@huawei.com>
On Tue, Jan 12, 2021 at 07:58:26AM +0000, zhuyan (M) wrote:
>
> When msg is NULL, msg->msg_controllen exists to dereference a null pointer in recvmsg.
"The recvmsg() function takes the following arguments:
...
message
Points to a msghdr structure, ..."
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
next prev parent reply other threads:[~2021-01-26 2:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210112075724.58561-1-zhuyan34@huawei.com>
2021-01-12 7:58 ` zhuyan (M)
2021-01-26 2:44 ` Rich Felker [this message]
2021-01-26 17:41 ` Rich Felker
2021-01-26 2:32 ` zhuyan (M)
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