From nobody Sat Feb 22 12:06:02 2025 X-Original-To: freebsd-current@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 4Z0QjC5Wqhz5plvj for ; Sat, 22 Feb 2025 12:07:11 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Received: from mailgate.Leidinger.net (bastille.leidinger.net [89.238.82.207]) (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-signature ECDSA (prime256v1) client-digest SHA256) (Client CN "mailgate.leidinger.net", Issuer "E5" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Z0QjC1qbCz44P8; Sat, 22 Feb 2025 12:07:11 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Authentication-Results: mx1.freebsd.org; none List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=leidinger.net; s=outgoing-alex; t=1740226018; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=acRizvidCkRw2njJ94UxpLXDD6MVdRZ/UAkFzPLPzVs=; b=ZhTuVtRerwffQ8ZcrO7DP4qBhZsXUGP0rgwsQfZe2LPnyDJhftUzjcxH3+Aj1K+pV5EkWP qtUXVhY6rwNxL4WbZiC/5jmdemUY0woSIVQuYFndsug8SQcnlID0V8pRwcdB+ZGTel8Av1 IcKXEw8XIWCiEcQttWSFoacAiiA6BZqJKh3xf5jFWqPxRJbpJ55z2yMa91tYDaDn4QNdH2 fTUjmU54B6zWIPxpOQyDv3nAWrP39o7dKnn21Rdp9t4f4sM8XOvDvVaUWq8Qoo3A16p/yC t9eT2cLu5NU1YnPLjQ6kTLIaZAYV4/My+Omx/BAPGHGuQoucasfX2YUJx3+W/w== Date: Sat, 22 Feb 2025 13:06:02 +0100 From: Alexander Leidinger To: Mark Johnston Cc: Current FreeBSD Subject: Re: crash with head as of 2h ago (in_pcblbgroup_insert) In-Reply-To: References: <3d6c377f2567aaa2e0601a7c11c729d5@Leidinger.net> Message-ID: <8dfe920e6d26603030744799102133a0@Leidinger.net> Organization: No organization, this is a private message. Content-Type: multipart/signed; protocol="application/pgp-signature"; boundary="=_d696f4eda737dc6f8e37752c1a3527b5"; micalg=pgp-sha256 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:34240, ipnet:89.238.64.0/18, country:DE] X-Rspamd-Queue-Id: 4Z0QjC1qbCz44P8 X-Spamd-Bar: ---- This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --=_d696f4eda737dc6f8e37752c1a3527b5 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; format=flowed Am 2025-02-21 22:31, schrieb Mark Johnston: > On Thu, Feb 20, 2025 at 10:27:28AM +0100, Alexander Leidinger wrote: >> Hi, >> >> I get this backtrace: >> ---snip--- >> [102] panic: invalid local group size 16 and count 16 >> [102] cpuid = 17 >> [102] time = 1740041984 >> [102] KDB: stack backtrace: >> [102] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 0xfffffe07453a5b80 >> [102] vpanic() at vpanic+0x136/frame 0xfffffe07453a5cb0 >> [102] panic() at panic+0x43/frame 0xfffffe07453a5d10 >> [102] in_pcblbgroup_insert() at in_pcblbgroup_insert+0xaa/frame >> 0xfffffe07453a5d30 >> [102] in_pcblisten() at in_pcblisten+0x92/frame 0xfffffe07453a5d50 >> [102] tcp_usr_listen() at tcp_usr_listen+0x18a/frame >> 0xfffffe07453a5db0 >> [102] solisten() at solisten+0x47/frame 0xfffffe07453a5dd0 >> [102] kern_listen() at kern_listen+0x3f/frame 0xfffffe07453a5e00 >> [102] amd64_syscall() at amd64_syscall+0x15b/frame 0xfffffe07453a5f30 >> [102] fast_syscall_common() at fast_syscall_common+0xf8/frame >> 0xfffffe07453a5f30 >> ---snip--- >> >> This is with head updated at 2025-02-20-080119 CET. The previous world >> is >> from 1 month ago (2025-01-22-120655). > > I believe this would be fixed by https://reviews.freebsd.org/D49100 So I was just luck that this works ATM... or unlucky that I got a panic on the previous try. > Please note that I haven't tested it yet (currently running it through > the regression test suite to start). As the config and number of applications/jails/services started didn't change, any idea how to provoke this race condition on a system with some real applications (instead of test cases; if you need an independent validation)? A reboot loop until it happens is not really something I want to do on this system. Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_d696f4eda737dc6f8e37752c1a3527b5 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc; size=833 Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAme5vbsACgkQEg2wmwP4 2IZkUw//V27vGlgLLBtnsmpwMh21GfUHAYI8OxRUcMFtVRczCdiLJxk5ZZ/71ARk AC6yK+G4S7SAKfoakgjoMS25Ltuhql9eVKJ9zVqo+W/9dOxGSuYZBOnIierB7LrU yJHg7fJXZIE+AG9L/KPD6U83Pr5ssygrl4gnNxqZw8vwxobMnNPFnqu6ct6g77nW vqWrVXa/8iDbnL/D5dw/7MJ/M1VF5PpswnNDne8VyzpmSRC6go5FSxxv2f+FtPWZ iPTCRYKHwgj1c6rHUyCH/uJrZXhA4OupNTUbBZo2+PhBP30N10uLuglHhClhPWnl 4TSyDjFtyXtJe/t1j2x+3BmwF3dXnI7xB+vIWrp289FasrACky+l2kLeOIZpKX5x 3Mlg7cqDjxuqpuZHym1Gas27le+Kqyc7RY07QHr3T7yggVpM5vRex3a9+cnpKYhR pNnYb5wwP2I3W+c/HtpVSECzrV1cF73IP2ljUjyFrib5SsZ3GLFZOQo5rQIDICjj xoLEgXN8ZR+967GlL2qz3tUgBewkCX4yuRpMQtTiYGZrcQbStmrqmXM2vFPVgQcK /ftL433eBSiwSo/NQQHRjIcKkYxnIu72OiAYOKUoDlxgO9hwJ4bPbHkHu1KiQmCi Ot/1QEOIRrB5QS8MNNgnz29SyTpc4bEwPIzCvK4X6B3IoS2J8KI= =sQ3i -----END PGP SIGNATURE----- --=_d696f4eda737dc6f8e37752c1a3527b5--