Comment # 30 on bug 1190434 from Fabian Vogt

(In reply to David Mair from comment #27)
> The following error:
> 
> > WARNING: invalid linux_banner pointer: 65762078756e694c
> > crash: /var/tmp/vmlinux.xz_CSsIpp and /var/crash/2023-05-02-00:13/vmcore
> > do not match!
> 
> Occurs due to this:

I already analyzed that in comment 25. The cause for that it that it tries to
use the wrong BFD for reading the symbol, so instead of the address it gets the
value:

> With the patch applied it unconditionally runs check_gnu_debuglink even if the loaded BFD has symbols. This is invalid!
>
> The file pointed to by gnu_debuglink does not have text or data included, only debug info. It is not a full replacement for the previously loaded vmlinux.