From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 8C3932451CC for ; Wed, 11 Dec 2024 04:53:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733892786; cv=none; b=KFQ61NPvGoXp6N+oxDehT3TfhnDUT7+fuujGSC5TkP2OZk1TKH1yOR2LjCaxfMCPLr+5mi6bvafnIMD5yuU6DB0wXXd+8R73HRQwNwTTv0sAmvRHcAKYdGEp5Nb9qV8+SwNskfRdNI4F4sspU5Q6pXk86zYs1DhPlqpR5ISthPI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733892786; c=relaxed/simple; bh=xW6wxUs3kEXcKosYbFtd1hsMjGncGTwCuyM05GX8CB8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=VNgg2E2HoP/qlIHqQfxviFR2IgoZik5M4WjSO05JpK/Ms4JswvS2bX77mcMwPTVER3HOvptjaFDGNWK8sI31ZQRuzISQme8od7k+KTDscQkgQsWLwLwKz1mv0W+GmANQ6RlkC/BhCirKQWmO5xpIhdrIKOlvEbMl9otV7ax+Bv8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3a814bfb77bso3321225ab.0 for ; Tue, 10 Dec 2024 20:53:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733892783; x=1734497583; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=wcvbKc3Wmur1BZCcQljjzub/iad/yVGdWwzhd3EQZAI=; b=LMaC1sY6Qipr1egQSGd+VWaPzFDGjeFrvhY+wOKS5APJc+kWOROUpotnSHyC2xeIEg YB4cbhfXBpG88/2RWjgsYhvO0gepGYZDpTpFg3u3VR0R4NP12pBkNHsJZ9imWBWEXXv9 6lhpAczoJsUfe0SIz+frMOSC+bmklqd/Ko3gqRKvq0/wfsO6BT9rVySYlpjQfFme5wdV NaL6c20xad52wCFciJP1rQGln4VVh7muVDpluYAtumv5ewbU/FysOf/mZTzieJ3oHUlN ca9r6uhpRBBFGuSMOEZUPhsHuVx7iiLK5EWH5vSaztP7HBN6MMS0tkuPKdh7mWoPALzr 6rmg== X-Forwarded-Encrypted: i=1; AJvYcCW8NAFdmhdO5EtKSEypiaSkPa/UxURKIPxc8mBeXVH3cIg+1yGZGeft9n11OSjZwhBhKi9Qz15JToIxJCQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwpFQ9BNt/vSmDATmtjWTsGUQSOcAGyR3fanlNg/SVVAMVkImtx 67W3G9bOqNGaTKOlasGyJc/F4KlZN662DHw0prR737vJeLASWIvTP4/HTbYGjaBrQumRgdxhlRw r/wWaVg3NLIS1A3Swy4pL9PygDzj8jaCbjNFpsIHXjgwoPdBGDNPhC/8= X-Google-Smtp-Source: AGHT+IGyj0xVAynRLlBa52mOPmJzaztfU+ThjbewWx/xawpaRVRJvSVgHE6xlGaWx4ZWMpVo83rTg+gdli4kQ2RJz0bAOhec2E1D Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d9d:b0:3a7:e786:afb4 with SMTP id e9e14a558f8ab-3aa189d3195mr14523195ab.2.1733892783627; Tue, 10 Dec 2024 20:53:03 -0800 (PST) Date: Tue, 10 Dec 2024 20:53:03 -0800 In-Reply-To: <67290b04.050a0220.2edce.14f8.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67591aaf.050a0220.17f54a.0014.GAE@google.com> Subject: Re: [syzbot] [udf?] possible deadlock in udf_free_blocks From: syzbot To: daniel.vetter@ffwll.ch, jack@suse.com, jack@suse.cz, linux-kernel@vger.kernel.org, mairacanal@riseup.net, mcanal@igalia.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot has bisected this issue to: commit 7908632f2927b65f7486ae6b67c24071666ba43f Author: Ma=C3=ADra Canal Date: Thu Sep 14 10:19:02 2023 +0000 Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic= commit" bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D13bfa5445800= 00 start commit: cdd30ebb1b9f module: Convert symbol namespace to string li.= . git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=3D107fa5445800= 00 console output: https://syzkaller.appspot.com/x/log.txt?x=3D17bfa544580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3D91c852e3d1d7c1a= 6 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dd472c32c5dd4cd2fb= 5c5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D117440f858000= 0 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D1659b5e8580000 Reported-by: syzbot+d472c32c5dd4cd2fb5c5@syzkaller.appspotmail.com Fixes: 7908632f2927 ("Revert "drm/vkms: Fix race-condition between the hrti= mer and the atomic commit"") For information about bisection process see: https://goo.gl/tpsmEJ#bisectio= n