Re: [PATCH v11 09/14] module: Move kallsyms support into a separate file

[Aaron Tomlin]

On Tue 2022-06-28 00:05 -0400, Steven Rostedt wrote:
> On Thu, 10 Mar 2022 10:24:08 +0000
> Aaron Tomlin <atomlin@xxxxxxxxxx> wrote:
> 
> > No functional change.
> > 
> 
> And this too has a functional change as well.
> 
> Reported-by: Chuck Lever III <chuck.lever@xxxxxxxxxx>
> Link: https://lore.kernel.org/all/355D2478-33D3-4046-8422-E512F42C51BC@xxxxxxxxxx/
> 
> 
> 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