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From:   Francis Laniel <flaniel@linux.microsoft.com>
To:     Greg KH <gregkh@linuxfoundation.org>
Cc:     stable@vger.kernel.org, Masami Hiramatsu <mhiramat@kernel.org>
Subject: Re: [PATCH 5.4.y 0/1] Return EADDRNOTAVAIL when func matches several symbols during kprobe creation
Date:   Tue, 31 Oct 2023 22:59:47 +0200
Message-ID: <2704754.mvXUDI8C0e@pwmachine>
In-Reply-To: <2023103148-bride-railing-ece8@gregkh>
References: <2023102137-mobster-sheath-bfb3@gregkh> <20231023113623.36423-1-flaniel@linux.microsoft.com> <2023103148-bride-railing-ece8@gregkh>
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Hi!

Le mardi 31 octobre 2023, 16:16:07 EET Greg KH a =E9crit :
> On Mon, Oct 23, 2023 at 02:36:22PM +0300, Francis Laniel wrote:
> > Hi.
> >=20
> >=20
> > There was problem to apply upstream patch on kernel 5.4.
> >=20
> > I adapted the patch and came up with the attached one, it was tested and
> > validated:
> > root@vm-amd64:~# uname -a
> > Linux vm-amd64 5.4.258+ #121 SMP Mon Oct 23 14:22:43 EEST 2023 x86_64
> > GNU/Linux root@vm-amd64:~# echo 'p:probe/name_show name_show' >
> > /sys/kernel/tracing/kprobe_events bash: echo: write error: Cannot assign
> > requested address
> >=20
> > As I had to modify the patch, I would like to get reviews before getting
> > it
> > merged in stable.
> >=20
> > Francis Laniel (1):
> >   tracing/kprobes: Return EADDRNOTAVAIL when func matches several
> >  =20
> >     symbols
> > =20
> >  kernel/trace/trace_kprobe.c | 74 +++++++++++++++++++++++++++++++++++++
> >  kernel/trace/trace_probe.h  |  1 +
> >  2 files changed, 75 insertions(+)
>=20
> I don't see a 5.10.y version of this, did I miss it somewhere?

No, this is "normal".
As I modified the master patch, I would have liked to get other reviews bef=
ore=20
sending all the batches of patches.
Once everything is validated, I will send patches for the missing version f=
or=20
sure!

> thanks,
>=20
> greg k-h

Best regards.