linux-kernel - Re: [PATCH v2 0/2] static_call: Fix two wild-memory-access bugs in static_call_del

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Message-ID: <57ce70f7-2b5d-384d-d14e-b9e96e3ca636@huawei.com>
Date:   Tue, 26 Sep 2023 15:34:07 +0800
From:   Ruan Jinjie <ruanjinjie@...wei.com>
To:     <peterz@...radead.org>, <tglx@...utronix.de>,
        <rostedt@...dmis.org>, <mingo@...nel.org>, <jpoimboe@...nel.org>,
        <christophe.leroy@...roup.eu>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/2] static_call: Fix two wild-memory-access bugs in
 static_call_del_module()

Ping.

On 2023/9/15 20:36, Jinjie Ruan wrote:
> In __static_call_init(), any one of the kzalloc fails will cause
> wild-memory-access when traverse the site and subsequent sites in
> static_call_del_module().
> 
> Changes in v2:
> - Add a new patch which fix a a similar problem.
> - Update the commit message and simplify error stack for the first.
> 
> Jinjie Ruan (2):
>   static_call: Fix a wild-memory-access bug in static_call_del_module()
>   static_call: Fix a wild-memory-access bug when
>     static_call_key_sites(key) is true
> 
>  kernel/static_call_inline.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
>