From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f49.google.com (mail-oa1-f49.google.com [209.85.160.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 86CEB625 for ; Mon, 3 Jul 2023 01:44:43 +0000 (UTC) Received: by mail-oa1-f49.google.com with SMTP id 586e51a60fabf-1b09276ed49so3690493fac.1 for ; Sun, 02 Jul 2023 18:44:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1688348682; x=1690940682; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=UzvLGBb78WzT+NSXATynEClqZXzX48pg1vFx3CiBNYw=; b=EgfQCxBpZeraUfHkaZIv/3KUueE10YsB3st6/N9VVUHmBpXGlkF1oMQbJs7jId7Vn4 oXw66Ml4aGrmkLNX/ILmhBDoErj723nIVkc0wt8tUB8QH4xSoaWsURmkWh7cQrme+MWh L5+v2D6TAc1+aXrxr9m9FEjp0cNq+FQoG75b9JPW3j7pSikxjHv8Govg86Tdv4uksxPF /Z28fJZuasPG8EQtp+UN9EWMjVp6zbRxxWMASruETO83731OAPT1ESwh7H+zIu6S3emB w+mJE63Cpd3UsZBK7H7SA1QrRSjquYIOKUoIO1TdPsAOmyfWFiqQz2DSTRleQft502au 0K5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688348682; x=1690940682; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=UzvLGBb78WzT+NSXATynEClqZXzX48pg1vFx3CiBNYw=; b=FMUcRafQf7mKAESQ26XSPF5UT2sK6pUJQ9O+bUSz2R+nIQxv95w/S6HJsDmID/K6B7 Dg3topsmHxRgK+gzVKrmoI3xS2KzDjHGmZLYcgUhdEbbxjRf0/MZgQ8KHl7EAmp/cDyT xUSn1jyO+64PVEsgdA1qxm0J+Ho0W0l46vJwQkM0eh9snBJhuwmIhBLLNdkzm5HCOHtc NywUvyZJXlfktrhc9E2WJLmPBEk/8dAMiKgKuW8kOIzMHYdCuDtmwVa98bFnjDl/NRlt t80fQ+V3PPQPtc3kFuPx2AZTMRxCVU1OPkMO6ToVPC45FwhxnG7G180Ul0v5dP/HyNma hwLg== X-Gm-Message-State: ABy/qLaOK7ESu337MSkfoHZ2cEsEhAA101mxorTm6SVx48yfdeIn8UAu rilpyRIMBOWmswaF8Rqmtq8= X-Google-Smtp-Source: ACHHUZ5EH/LbCpjfBuPbXJECS5srDN10ZuIVDwU5oqq/fJO2xypvld6QtyYlm1yVBzDX95ceWp2qew== X-Received: by 2002:a05:6870:332a:b0:1b0:39bc:857b with SMTP id x42-20020a056870332a00b001b039bc857bmr9803374oae.16.1688348682285; Sun, 02 Jul 2023 18:44:42 -0700 (PDT) Received: from debian.me ([103.131.18.64]) by smtp.gmail.com with ESMTPSA id h18-20020a63f912000000b0051b36aee4f6sm13686167pgi.83.2023.07.02.18.44.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Jul 2023 18:44:41 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id A0FF381BD580; Mon, 3 Jul 2023 08:44:37 +0700 (WIB) Date: Mon, 3 Jul 2023 08:44:37 +0700 From: Bagas Sanjaya To: Mirsad Goran Todorovac , Linux Kernel Mailing List , Linux LLVM Cc: linux-kbuild@vger.kernel.org, Kees Cook , Linux Regressions , Nathan Chancellor , Nick Desaulniers , Guenter Roeck Subject: Re: [CRASH][BISECTED] 6.4.1 crash in boot Message-ID: References: <9a8e34ad-8a8b-3830-4878-3c2c82e69dd9@alu.unizg.hr> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="DuHJI7yAepGavJ2H" Content-Disposition: inline In-Reply-To: <9a8e34ad-8a8b-3830-4878-3c2c82e69dd9@alu.unizg.hr> --DuHJI7yAepGavJ2H Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 02, 2023 at 06:36:12PM +0200, Mirsad Goran Todorovac wrote: > Hi, >=20 > After new git pull the kernel in Torvalds tree with default debug config > failed to boot with error that occurs prior to mounting filesystems, so t= here > is no log safe for the screenshot(s) here: >=20 > [1] https://domac.alu.unizg.hr/~mtodorov/linux/crashes/2023-07-02/ >=20 > Bisect shows the first bad commit is 2d47c6956ab3 (v6.4-rc2-1-g2d47c6956a= b3): >=20 > # good: [98be618ad03010b1173fc3c35f6cbb4447ee2b07] Merge tag 'Smack-for-6= =2E5' of https://github.com/cschaufler/smack-next > git bisect good 98be618ad03010b1173fc3c35f6cbb4447ee2b07 > # bad: [f4a0659f823e5a828ea2f45b4849ea8e2dd2984c] drm/i2c: tda998x: Repla= ce all non-returning strlcpy with strscpy > git bisect bad f4a0659f823e5a828ea2f45b4849ea8e2dd2984c > . > . > . > # bad: [2d47c6956ab3c8b580a59d7704aab3e2a4882b6c] ubsan: Tighten UBSAN_BO= UNDS on GCC > git bisect bad 2d47c6956ab3c8b580a59d7704aab3e2a4882b6c > # first bad commit: [2d47c6956ab3c8b580a59d7704aab3e2a4882b6c] ubsan: Tig= hten UBSAN_BOUNDS on GCC >=20 > The architecture is Ubuntu 22.04 with lshw and config give in the attachm= ent. Can you show early kernel log (something like dmesg)? Anyway, I'm adding it to regzbot: #regzbot ^introduced: 2d47c6956ab3c8 #regzbot title: Linux kernel fails to boot due to UBSAN_BOUNDS tightening Thanks. --=20 An old man doll... just what I always wanted! - Clara --DuHJI7yAepGavJ2H Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCZKIoBQAKCRD2uYlJVVFO o+n+AP0YhOC9dhrJZyu3ew0uQ0GImT1B+MAHP1QZiPylXfmiewD/V1rq7c7o5O8O MtlmxjtW/mpWiqQR2avMzL8LQRFGWAc= =8ZVa -----END PGP SIGNATURE----- --DuHJI7yAepGavJ2H--