On Tue, Apr 21, 2026 at 10:55:19AM +0200, Jiri Olsa wrote:
> On Fri, Apr 17, 2026 at 08:10:25PM +0000, [email protected] wrote:
> > > There's slight functional change for the unregister path, where we
> > > currently free the image unconditionally even if the detach fails.
> > > The new code keeps the image in place, possibly preventing the crash.
> >
> > This appears to be fixing a bug where the image was freed even when detach
> > failed. The bug was introduced in commit e21aa341785c ("bpf: Fix fexit
> > trampoline.") which unconditionally freed the trampoline image.
actually the paragraph above is not accurate, we'd not prevent the crash with
this change.. that needs separate fix
jirka
> >
> > Should this commit include a Fixes tag? The suggested tag would be:
> >
> > Fixes: e21aa341785c ("bpf: Fix fexit trampoline.")
>
> right, I think I'll send separate fix for current code,
> to have this fixed earlier
>
> jirka
>
> >
> >
> > ---
> > AI reviewed your patch. Please fix the bug or email reply why it's not a
> > bug.
> > See:
> > https://github.com/kernel-patches/vmtest/blob/master/ci/claude/README.md
> >
> > CI run summary:
> > https://github.com/kernel-patches/bpf/actions/runs/24583317711
>