linux-kernel - Re: [PATCH] kprobes: Warn if the kprobe is reregistered

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Message-ID: <20210204065503.GG210@DESKTOP-TDPLP67.localdomain>
Date:   Thu, 4 Feb 2021 12:25:03 +0530
From:   "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ananth N Mavinakayanahalli <ananth@...ux.ibm.com>,
        Wang ShaoBo <bobo.shaobowang@...wei.com>,
        Cheng Jian <cj.chengjian@...wei.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kprobes: Warn if the kprobe is reregistered

On 2021/02/03 11:59PM, Masami Hiramatsu wrote:
> Warn if the kprobe is reregistered, since there must be
> a software bug (actively used resource must not be re-registered)
> and caller must be fixed.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
> ---
>  kernel/kprobes.c |   13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)

Suggested-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>
Acked-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>


Thanks,
Naveen