Re: [PATCH, v2] aarch64: Check for valid inferior thread/regcache before reading pauth registers

[Kevin Buettner <kevinb@redhat.com>]

On Thu, 23 Mar 2023 18:32:31 +0000
Luis Machado <luis.machado@arm.com> wrote:

> On 3/23/23 18:27, Luis Machado wrote:
> > On 3/23/23 18:25, Kevin Buettner wrote:  
> >> On Thu, 23 Mar 2023 10:56:19 +0000
> >> Luis Machado via Gdb-patches <gdb-patches@sourceware.org> wrote:
> >>  
> >>> Changes in v2:
> >>>
> >>> - Dropped helper functions and used inferior_ptid/current_inferior ()
> >>> instead.__ Changes are now aarch64-specific.  
> >>
> >> A bug which your patch fixes had been reported in Fedora bugzilla; see:
> >>
> >> https://bugzilla.redhat.com/show_bug.cgi?id=2177655
> >>
> >> I made a scratch build using your v1 patch and one user reported the
> >> bug fixed.
> >>
> >> I've looked over your v2 patch and it looks good to me.  
> > 
> > Thanks for testing. Andrew B. had pinged me about a report on his end.
> > 
> > Hopefully we can get this sorted out soon, as it is quite annoying.
> >   
> >>
> >> Kevin
> >>  
> >   
> 
> Worth mentioning that I plan to backport this fix to GDB 13.1, which might require a
> slightly different patch because in GDB 13 this code is linux-specific instead of
> OS-independent.

In order to apply your v1 patch to (Fedora) GDB 13.1, I first
cherry-picked commit 6d0020873de.  I think it might make sense
to do the same for the 13.1 branch.

Kevin