From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 62A0636127 for ; Fri, 21 Jun 2024 22:17:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719008224; cv=none; b=kdepEjMuA84MtMmjzAQxP0pkYVft5L1+7VwZ5i80SlYO/kSzWZtFv7kGGWVoVJaOqBRU/lL8BENxZV7BtxOlWo28FjCN0Mhdzqeon4mwbirQ2RCsO2VpungGdYdvmRIRYCz5h2rePWaP2J4HJi9kWTm5xGF7GVNhfKNaaJTqNFk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719008224; c=relaxed/simple; bh=TnSlTjqwUYoXMF7xpWTfy7cgY8IeC4vWp5ZrJq8YaTM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=jqUv9Ze+X6gT5uz60i9nYiReWVaPfyMyccFy7TuHBAwIReRR8apvDoBoyZVSmvZBLgvxV66m3iMVT3YykrWRWQ79p+3O8EOBePeGZipSMzoRXZ1jLOiwtoJDM1wWtaTHgGKg9DtAzX8oD0st7dKDqr0fAfkk4cqmiVdgPldDhzw= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-375e4d55457so25653925ab.0 for ; Fri, 21 Jun 2024 15:17:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719008222; x=1719613022; 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=WzhDBRWwJ1VLwa7ll12EcMnW7G2/k0wBlm4KHTSpvsk=; b=fFrSI/7ac7uWR77cV6wk7D+qyrQenqi4yXAiT0IIZsjBGAE9bFgc5cIEQYWShzUxc0 9q/XZVZwzNn9sncZDPq2glkeqXpDBt7OmYx6o0p0gOYC2XDZeaEi1qlutPw5fEGKJPOu 38bsyrIDZJQ5K1ap9S5R45iyT0XU5QpGf2tIsM3/GXV1ho/jme0TQOxvcfLoAWrv6px9 GtoPI0QCcXueLleWA8LnXW5UZAXote3WI8lC58CP/h777+l4bMMk5gnE/9x+14mYfOvZ jY1DZR+ANHuwry0+qVOpyrwz7hplCmEgh95e/PVofNlwlh0Npd+Wx7M2Q8R5eSZNcoOR /iqg== X-Forwarded-Encrypted: i=1; AJvYcCUzOf/FRVaDDY+kzZMs+I7rMn91AcdLmFyO/7qb0CAXFb4mrxUSohgeUbEP/JKck3KRvnDjZuLcXhtq7iIIudONZI75tNAENiGC5Gcy X-Gm-Message-State: AOJu0YzJIGfEQfahh1Ji4jN+6OjtvGlEkTkpZ+bHskr92vDAvMePS3xb c2U34Nh6S8e4zwQXu7MdnrLML/Ua0QQhMwBVxEdTc0FtcgXuF1o1VrIqrhQIOuTTBLQRpr43CoW fTiF+HjU5mx2CFsjlIf8PJM0zB33T5JSeAkIKSHhgP8EHPgp3TIZ0U+s= X-Google-Smtp-Source: AGHT+IExnzpznCLMVa5YEOvMddL6ZtHebHjevxgzgt+MvgFNjpb8SsfjwEbCP9mvVfe8x0jiJpNhh6ltL+Q01pOnZRQp3BEjIDNY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c4d:b0:375:cab8:f175 with SMTP id e9e14a558f8ab-3761d69f09bmr7250985ab.2.1719008222647; Fri, 21 Jun 2024 15:17:02 -0700 (PDT) Date: Fri, 21 Jun 2024 15:17:02 -0700 In-Reply-To: <000000000000aa7cb106196f6883@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007a267d061b6dca15@google.com> Subject: Re: [syzbot] [bcachefs?] possible deadlock in bch2_gc_mark_key From: syzbot To: bfoster@redhat.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 103304021e54bfb5cab9ba04cd5ef0dc2bf33888 Author: Kent Overstreet Date: Sat Apr 20 02:44:12 2024 +0000 bcachefs: Move gc of bucket.oldest_gen to workqueue bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=162879ea980000 start commit: 50736169ecc8 Merge tag 'for-6.10-rc4-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=112879ea980000 kernel config: https://syzkaller.appspot.com/x/.config?x=12f98862a3c0c799 dashboard link: https://syzkaller.appspot.com/bug?extid=050e797ad21ccc3f5d1a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=144f0a61980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17cab6a6980000 Reported-by: syzbot+050e797ad21ccc3f5d1a@syzkaller.appspotmail.com Fixes: 103304021e54 ("bcachefs: Move gc of bucket.oldest_gen to workqueue") For information about bisection process see: https://goo.gl/tpsmEJ#bisection