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From: "H.J. Lu" <hjl.tools@gmail.com>
To: Jiangfeng Xiao <xiaojiangfeng@huawei.com>
Cc: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>,
	libc-alpha@sourceware.org,  schwab@linux-m68k.org,
	nixiaoming@huawei.com, douzhaolei@huawei.com,
	 wangbing6@huawei.com, wangfangpeng1@huawei.com
Subject: Re: [PATCH] elf: sanitize objname in _dl_signal_error
Date: Tue, 2 Apr 2024 08:08:09 -0700	[thread overview]
Message-ID: <CAMe9rOpdgfHYW7yiuGgOF24ru+DMsNXhT7q_ZMXCgt1j8h1c3A@mail.gmail.com> (raw)
In-Reply-To: <ccea1cb6-fff7-d588-0184-a68e018ce9d6@huawei.com>

On Tue, Apr 2, 2024 at 8:06 AM Jiangfeng Xiao <xiaojiangfeng@huawei.com> wrote:
>
>
>
> On 2024/4/2 23:00, H.J. Lu wrote:
>
> >>>
> >>
> >> Maybe. However, the glibc code may reference null pointers,
> >> which should be fixed.
> >
> > Not if a null pointer should never happen.
> >
> If the fatal_error(0, NULL, NULL, NULL, "invalid mode parameter")

Please open a glibc bug to track it.

> code in the _dl_signal_error function will never be executed,
> delete the redundant code. If it is possible, even if the
> possibility is very low, it should be fixed.



-- 
H.J.

  reply	other threads:[~2024-04-02 15:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-30 13:40 [PATCH] elf: handle NULL input to fatal_error Jiangfeng Xiao
2024-03-30 15:47 ` Andreas Schwab
2024-04-01  1:40   ` Jiangfeng Xiao
2024-04-01  2:45 ` [PATCH] elf: sanitize objname in _dl_signal_error Jiangfeng Xiao
2024-04-01 13:50   ` Adhemerval Zanella Netto
2024-04-02 14:37     ` Jiangfeng Xiao
2024-04-02 14:42       ` H.J. Lu
2024-04-02 14:54         ` Jiangfeng Xiao
2024-04-02 15:00           ` H.J. Lu
2024-04-02 15:06             ` Jiangfeng Xiao
2024-04-02 15:08               ` H.J. Lu [this message]
2024-04-02 15:21                 ` Jiangfeng Xiao
2024-04-02 15:50         ` Adhemerval Zanella Netto

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