From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 D2BDD522F for ; Tue, 21 Jan 2025 00:22:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737418925; cv=none; b=YpaKEUxPBgJ9XZ1Nn4CS3KO7Tf/RhhZyyaE7e5HZGlS0DsToH0Uf2I6pdW9UbfeVWo5SvMX0SqLZ4pxGY6Z38Y+UU2x+6DRgM1nUrln5O7FZIWIgXlflM/awnwNWmuRxpgtIev8YytFdfm4LAOErPGf1Bc9qSXTugYnlTfGBiN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737418925; c=relaxed/simple; bh=WL7kVONYOnYb/d0AwrJ7ZVkNR8l5qThVKfPiGQXAwT4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Xj7FaBf+EgxeKG+HKhVvP52GjcsNK2KN8sHb2VRoHW2bGo77CxML9/KC1RVAls6gHEU1FRne8DJyJDKbnrOfW6kJYRcSPPualxdP2CawhBytlvVkZKUZRpXuUK07sBzu8/6GkNlXLpM4Z3Whc0uiAVTN7vWjQ/OvD5+v5BzPbCw= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3ce7d2781a0so36358025ab.3 for ; Mon, 20 Jan 2025 16:22:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737418923; x=1738023723; h=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=36qHq6gozf7sLUVzS3bPWA3bTw43MXGseEmnjbcELI8=; b=H0/228hhygE67yywFFS+i+7lxSzr0zd13dW8u7KT6j+tgqGyleyoLX3jpQ8JrbFrxY q4GUaLJLTvSUP9IRnEbOitVKlm3GBhLNP6myupn1Nk1x2MkkTeoA9YsodDN5Sub5Cfo9 RKAPm0YkWpYhAyHYxXe0C1xBXwBZvxxQ03VwvMscXPQaOGSF/IyXNh/hcOHPMOuNyQcN uWUOTWKnQdIVL8feNpVpK+1jbi3X4oRADMLQFNezITi8w24Znl7PoVQZzvig+bHX0RIJ mDqIeWvXArVb5R6JEPjNGOUtHxyQjFYRFPXYhDrrgVKfIEEA/0vdTETjrhAIWjYVz33d l4jw== X-Forwarded-Encrypted: i=1; AJvYcCUn1jtTh0XP72LAUyGt//rzN/rz8qLCJIDYSUZZ2WW2bOKEeeHH0b1JGY42iDsqK4TiLHPR6ognjgP6Zg+K6lwwRmE=@vger.kernel.org X-Gm-Message-State: AOJu0YxiRf66QTiKrdxL88FTepeayUJ5r3TeHelkIA0yTarapOyKfMl3 jKSol1pkOHEDLKm2wRJi0UveagvV32R+59KgzWYPu8MCzsnwCTlWKGR366qsu5vOWvsuM0g1PL/ cX42hFUJ4RKbeWI7+U9ZuqMLxCkqh4njGiSXRlTcxOcfGBqG3bo7W68I= X-Google-Smtp-Source: AGHT+IHScxHtVEwxDPrO/GQeFULuN5IbwiJwn9SoI3wAiiRKJh80ar0G96GQHtpq5KVQ3rJG/08ttf904YCfEVaXHqjkhXX5+fUi Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:17c5:b0:3ce:c87e:8d8b with SMTP id e9e14a558f8ab-3cf7447c9d6mr98326465ab.16.1737418923002; Mon, 20 Jan 2025 16:22:03 -0800 (PST) Date: Mon, 20 Jan 2025 16:22:02 -0800 In-Reply-To: <672751ef.050a0220.35b515.0199.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <678ee8aa.050a0220.15cac.0002.GAE@google.com> Subject: Re: [syzbot] [block?] [trace?] possible deadlock in blk_trace_setup From: syzbot To: axboe@kernel.dk, hch@lst.de, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, ming.lei@redhat.com, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d Author: Ming Lei Date: Fri Oct 25 00:37:20 2024 +0000 block: model freeze & enter queue as lock for supporting lockdep bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1536b9df980000 start commit: 5b913f5d7d7f Add linux-next specific files for 20241106 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1736b9df980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1336b9df980000 kernel config: https://syzkaller.appspot.com/x/.config?x=27aeebbe9ce2cea dashboard link: https://syzkaller.appspot.com/bug?extid=0d8542c90a512dc95185 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=167b3d5f980000 Reported-by: syzbot+0d8542c90a512dc95185@syzkaller.appspotmail.com Fixes: f1be1788a32e ("block: model freeze & enter queue as lock for supporting lockdep") For information about bisection process see: https://goo.gl/tpsmEJ#bisection