From: Aaron Tomlin <atomlin@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mcgrof@kernel.org, christophe.leroy@csgroup.eu, cl@linux.com,
mbenes@suse.cz, akpm@linux-foundation.org, jeyu@kernel.org,
linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org,
void@manifault.com, atomlin@atomlin.com, allen.lkml@gmail.com,
joe@perches.com, msuchanek@suse.de, oleksandr@natalenko.name,
jason.wessel@windriver.com, pmladek@suse.com,
daniel.thompson@linaro.org, hch@infradead.org,
Chuck Lever III <chuck.lever@oracle.com>
Subject: Re: [PATCH v11 09/14] module: Move kallsyms support into a separate file
Date: Tue, 28 Jun 2022 09:19:06 +0100 [thread overview]
Message-ID: <20220628081906.jln2ombfej5473xi@ava.usersys.com> (raw)
In-Reply-To: <20220628000526.11c57cd8@gandalf.local.home>
On Tue 2022-06-28 00:05 -0400, Steven Rostedt wrote:
> On Thu, 10 Mar 2022 10:24:08 +0000
> Aaron Tomlin <atomlin@redhat.com> wrote:
>
> > No functional change.
> >
>
> And this too has a functional change as well.
>
> Reported-by: Chuck Lever III <chuck.lever@oracle.com>
> Link: https://lore.kernel.org/all/355D2478-33D3-4046-8422-E512F42C51BC@oracle.com/
>
>
> Before this patch:
>
> # grep -a '^[0-9a-f]* [^a-zA-Z]' /proc/kallsyms
>
> Nothing.
>
> After this patch:
>
> # grep -a '^[0-9a-f]* [^a-zA-Z]' /proc/kallsyms
> ffffffffc09df024 ^@ _note_9 [ebtables]
> ffffffffc09df03c ^@ _note_8 [ebtables]
> ffffffffc0e25024 ^@ _note_9 [bridge]
> ffffffffc0e2503c ^@ _note_8 [bridge]
> ffffffffc0e01000 ^@ br_switchdev_event [bridge]
> ffffffffc0e39548 ^@ __warned.10 [bridge]
> ffffffffc09bd024 ^@ _note_9 [stp]
> ffffffffc09bd03c ^@ _note_8 [stp]
> ffffffffc0849024 ^@ _note_9 [vmw_vmci]
> ffffffffc084903c ^@ _note_8 [vmw_vmci]
> ffffffffc0849454 ^@ __kstrtab_vmci_context_get_priv_flags [vmw_vmci]
> ffffffffc0849470 ^@ __kstrtabns_vmci_context_get_priv_flags [vmw_vmci]
> ffffffffc0849054 ^@ __ksymtab_vmci_context_get_priv_flags [vmw_vmci]
> ffffffffc081d024 ^@ _note_9 [nf_reject_ipv6]
> ffffffffc081d03c ^@ _note_8 [nf_reject_ipv6]
> ffffffffc081d0a8 ^@ __kstrtab_nf_reject_skb_v6_tcp_reset [nf_reject_ipv6]
> ffffffffc081d0c3 ^@ __kstrtabns_nf_reject_skb_v6_tcp_reset [nf_reject_ipv6]
> ffffffffc081d078 ^@ __ksymtab_nf_reject_skb_v6_tcp_reset [nf_reject_ipv6]
> ffffffffc081d0c4 ^@ __kstrtab_nf_reject_skb_v6_unreach [nf_reject_ipv6]
>
> The kallsyms get corrupted output, and this breaks trace-cmd.
Hi Steve,
I will look into this straight away.
Kind regards,
--
Aaron Tomlin
next prev parent reply other threads:[~2022-06-28 8:20 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-10 10:23 [PATCH v11 00/14] module: core code clean up Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 01/14] module: Move all into module/ Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 02/14] module: Simple refactor in preparation for split Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 03/14] module: Make internal.h and decompress.c more compliant Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 04/14] module: Move livepatch support to a separate file Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 05/14] module: Move latched RB-tree " Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 06/14] module: Move strict rwx " Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 07/14] module: Move extra signature support out of core code Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 08/14] module: Move kmemleak support to a separate file Aaron Tomlin
2022-03-10 10:24 ` [PATCH v11 09/14] module: Move kallsyms support into " Aaron Tomlin
2022-06-28 4:05 ` Steven Rostedt
2022-06-28 8:19 ` Aaron Tomlin [this message]
2022-07-01 22:34 ` Luis Chamberlain
2022-07-03 8:33 ` Aaron Tomlin
2022-07-03 13:23 ` Steven Rostedt
2022-07-03 13:57 ` Aaron Tomlin
2022-07-03 14:13 ` Steven Rostedt
2022-07-03 14:24 ` Aaron Tomlin
2022-07-03 17:58 ` Christophe Leroy
2022-07-03 23:18 ` Steven Rostedt
2022-03-10 10:24 ` [PATCH v11 10/14] module: kallsyms: Fix suspicious rcu usage Aaron Tomlin
2022-06-28 3:56 ` Steven Rostedt
2022-06-28 16:21 ` Aaron Tomlin
2022-06-28 16:24 ` Steven Rostedt
2022-03-10 10:24 ` [PATCH v11 11/14] module: Move procfs support into a separate file Aaron Tomlin
2022-03-10 10:26 ` [PATCH v11 12/14] module: Move sysfs " Aaron Tomlin
2022-03-10 10:26 ` [PATCH v11 13/14] module: Move kdb module related code out of main kdb code Aaron Tomlin
2022-03-10 10:30 ` Aaron Tomlin
2022-03-11 16:17 ` Daniel Thompson
2022-03-11 18:00 ` Luis Chamberlain
2022-03-10 10:26 ` [PATCH v11 14/14] module: Move version support into a separate file Aaron Tomlin
2022-03-10 10:32 ` Aaron Tomlin
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