Re: git: 64a73d1b6dc9 - main - amd64/*sigtramp.S: re-enable some cfi annotations for special registers

From: Herbert J. Skuhra <herbert_at_gojira.at>
Date: Wed, 23 Sep 2026 07:37:06 UTC 
On Mon, 21 Sep 2026 20:26:56 +0200, Konstantin Belousov wrote:
> 
> The branch main has been updated by kib:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=64a73d1b6dc93d92daea1e2d0603fda1dddadf4a
> 
> commit 64a73d1b6dc93d92daea1e2d0603fda1dddadf4a
> Author:     Konstantin Belousov <kib@FreeBSD.org>
> AuthorDate: 2026-09-19 09:46:19 +0000
> Commit:     Konstantin Belousov <kib@FreeBSD.org>
> CommitDate: 2026-09-21 18:25:38 +0000
> 
>     amd64/*sigtramp.S: re-enable some cfi annotations for special registers
>     
>     Also explicitly specify .cfi_sections to emit the cfi bytecode into the
>     loadable .eh_frame section.
>     
>     Reviewed by:    mchoo
>     Sponsored by:   The FreeBSD Foundation
>     MFC after:      1 week
>     Differential revision:  https://reviews.freebsd.org/D59838
> ---
>  sys/amd64/amd64/sigtramp.S     | 44 ++++++++++++++++++++++++++----------------
>  sys/amd64/ia32/ia32_sigtramp.S | 19 ++++++++++++------
>  2 files changed, 40 insertions(+), 23 deletions(-)

After this commit I get:

Sep 23 09:18:52 srv01 kernel: pid 79694 (tmux), jid 0, uid 1001: exited on signal 11 (core dumped)
Sep 23 09:18:56 srv01 sshd-session[78306]: error: mm_reap: child terminated by signal 11
Sep 23 09:18:57 srv01 kernel: pid 78765 (sshd-session), jid 0, uid 1001: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)
Sep 23 09:18:57 srv01 kernel: pid 70073 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)

This is a (K)VM.

--
Herbert