From nobody Wed Sep 23 13:40:44 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hqdQg0xDXz6t4Vs; Wed, 23 Sep 2026 13:40:59 +0000 (UTC) (envelope-from herbert@gojira.at) Received: from fhigh-a7-smtp.messagingengine.com (fhigh-a7-smtp.messagingengine.com [103.168.172.158]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4hqdQd5n3gz4gt5; Wed, 23 Sep 2026 13:40:57 +0000 (UTC) (envelope-from herbert@gojira.at) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gojira.at header.s=fm1 header.b=dNjqLrWn; dkim=pass header.d=messagingengine.com header.s=fm1 header.b=jWSixLiL; spf=pass (mx1.freebsd.org: domain of herbert@gojira.at designates 103.168.172.158 as permitted sender) smtp.mailfrom=herbert@gojira.at; dmarc=pass (policy=reject) header.from=gojira.at Received: from ams-compute-01.internal (ams-compute-01.internal [10.64.2.61]) by mailfhigh.phl.internal (Postfix) with ESMTP id 2E583140005B; Wed, 23 Sep 2026 09:40:52 -0400 (EDT) Received: from ams-frontend-01 ([10.64.2.36]) by ams-compute-01.internal (MEProxy); Wed, 23 Sep 2026 09:40:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gojira.at; h=cc :cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm1; t=1790170851; x=1790257251; bh=i8zA6hNUK/ 9tW6VwQJzI/ujgzo86CAIgWq8Qreo/SzE=; b=dNjqLrWniRYOKTp8AIGkK4/ncD LThyqs8leKHZg0t7mwYEZvL3iOlddw8WimAMW//Dw+LoYUSFVZkUtKtOKKbfd43h tCz0DIechzaVllgAXLhJaLCmMBYqO+gPZr5EeLi42/wIJui4gmhChCnJQzJxsI0+ TFw1B7lO5SCfLdDKzuVvXYbprndyI/87ZV8xVVcG3f/cPIXFbalWmMEoRBMZRxRK yIOivVXv7tb0+z37ktqowTgKsCa1MDOAGU31rERb5r3awT4qmCx4qOsHAl/Pj7ie GR0Ct0MUbJpLonsbwKoYLLOEND/T7nsq2JARpcz0DbLUEcGZznaHe4xscU8Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1790170851; x=1790257251; bh=i8zA6hNUK/9tW6VwQJzI/ujgzo86CAIgWq8 Qreo/SzE=; b=jWSixLiL7Uie7auQ3Gw/dWrWPqX1whGu7l3rbcW7WtLLUAsg7Ji v0+dnPW7Q8vL6OFJUDqO3NMFTZAc8FkhVgUXCOUt55r+2cjpPVHuIIv+cNJLItqB KiGh7xbrljqGBrx1SZ7255PacfL30en8G93snDKlQ4bbIa/n5nsLgtmTJQ36/Vat TR/FW4G5wI5fpG7F+xl4FdPmrYyoyEng/fAVMj28r2BJm+jyUZplBQozB5CPkWo8 qzz5bs39ggwhDdtnDhYfr9D3GlWTQZiryjXYSB235u4D37C9DgNRsGuSRzIMSsew qljSFuDpBFSb8/PvZaL7P6vlPe4vDHPp7LQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTGfnxDbQE70KqPq/6h20257MZ2WYDhVSHx4zQSnM3+SYjNltqRNUSyxjl0z6cS6mC S1y21kfx6piYmSQsF5I/+Tda0J/8VLuw+/SGUWfCiXgjoXQvc1ZuCFAZ3aBwhEkDzA3ux6 1G2fbJOuphJ9AseQ58hqRIoroOnBVE6nfrg0iVPcv24St4/SQeYZF6jZn16ZH2ETqTTcSm soKP/YL7neN99umxpagqaOk7xw0224SicI6TVJk3cc6eX/m3RlGMZKBI5SihqZQLUIJq1I rk9fH6bPrdGBha/UkWs2OY4hL/ivKgNncgcAjhAES5w5KA8SdF7cCO6Kcdz/bM/t4sJOcm GzP2X+ul2MzFDxaz1enzb+iGuPOliIdSnlLR1GMBWH4v1hefgXweUSQVBtqcUiOyemXOet uk22UNSQA8VVt7w+i7Rl1taU0Cgk+ZN3PQVMtEFjeNCwnGj/aSgK97Xgskh4y2h4/tYWKM OYHJ6tHaPxe0Fixquovp+HdXQWlxv9tmyiZ3ceYVfxfzCzXfiJRwXkn3JbAVKAB9ay0qNE MSTFEK5wDOPNZ1IxWWCbHH3nQuaRslSpfIDxZPyTYk0TFDOzry6jKa3mN1Cme0gGZpxJzz 0RqRk+v+kgoFbVewv88gTKExRF9YjJIaGm3ASkmqN9bskc7tBIKmWXkr7gHA X-ME-Proxy: Feedback-ID: i64fe486c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 23 Sep 2026 09:40:49 -0400 (EDT) Date: Wed, 23 Sep 2026 15:40:44 +0200 Message-ID: <87fqz0t7ab.wl-herbert@gojira.at> From: "Herbert J. Skuhra" To: Konstantin Belousov Cc: mchoo@freebsd.org, src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 64a73d1b6dc9 - main - amd64/*sigtramp.S: re-enable some cfi annotations for special registers In-Reply-To: References: <6ab176f0.41de0.58f3c642@gitrepo.freebsd.org> <87zex8ctb1.wl-herbert@gojira.at> <87h5jgtluj.wl-herbert@gojira.at> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/32.0 Mule/6.0 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spamd-Bar: / X-Spamd-Result: default: False [0.00 / 15.00]; MID_CONTAINS_FROM(1.00)[]; DMARC_POLICY_ALLOW(-0.50)[gojira.at,reject]; R_DKIM_ALLOW(-0.20)[gojira.at:s=fm1,messagingengine.com:s=fm1]; R_SPF_ALLOW(-0.20)[+ip4:103.168.172.128/27]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; ASN(0.00)[asn:151847, ipnet:103.168.172.0/24, country:AU]; MLMMJ_DEST(0.00)[dev-commits-src-all@freebsd.org,dev-commits-src-main@freebsd.org]; RCVD_COUNT_THREE(0.00)[3]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gojira.at:+,messagingengine.com:+] X-Rspamd-Queue-Id: 4hqdQd5n3gz4gt5 On Wed, 23 Sep 2026 10:58:33 +0200, Konstantin Belousovwrote: > > On Wed, Sep 23, 2026 at 10:26:12AM +0200, Herbert J. Skuhra wrote: > > On Wed, 23 Sep 2026 10:17:37 +0200, Konstantin Belousov wrote: > > > > > > On Wed, Sep 23, 2026 at 09:37:06AM +0200, Herbert J. Skuhra wrote: > > > > 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 > > > > > AuthorDate: 2026-09-19 09:46:19 +0000 > > > > > Commit: Konstantin Belousov > > > > > 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. > > > > > > How did you determined that the commit is the problem? > > > The change you cited did not modified a single executable instruction. > > > > 1. git bisect > > 2. Running main-n289555-c7b67985633c with 64a73d1b6dc9 > > reverted resolves the issue (no more core dumps). > As I said, the revision did not change any executable pathes in the code. > More, it only adjusted the stack unwinding info for the signal frames. Clearing (c)cache and a clean build resolved the issue. Sorry for the noise! Thanks!