linux-kernel - Re: [PATCH v3] riscv: fix kprobe __user string arg print fault issue

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Date:   Thu, 08 Jun 2023 19:00:45 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Ruan Jinjie <ruanjinjie@...wei.com>
Cc:     linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] riscv: fix kprobe __user string arg print fault issue

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Thu, 4 May 2023 15:29:10 +0800 you wrote:
> On riscv qemu platform, when add kprobe event on do_sys_open() to show
> filename string arg, it just print fault as follow:
> 
> echo 'p:myprobe do_sys_open dfd=$arg1 filename=+0($arg2):string flags=$arg3
> mode=$arg4' > kprobe_events
> 
> bash-166     [000] ...1.   360.195367: myprobe: (do_sys_open+0x0/0x84)
> dfd=0xffffffffffffff9c filename=(fault) flags=0x8241 mode=0x1b6
> 
> [...]

Here is the summary with links:
  - [v3] riscv: fix kprobe __user string arg print fault issue
    https://git.kernel.org/riscv/c/99a670b2069c

You are awesome, thank you!
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